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Updated i2c_keyboard

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master
Ivan Olenichev 5 years ago
parent a91958a068
commit df40598fbc
33 changed files with 36523 additions and 12325 deletions
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# Generated by Yosys 0.7 (Apio build) (git sha1 8c071a2, gcc 4.8.4-2ubuntu1~14.04.3 -fPIC -Os)
.model top
.inputs CLK SCL SDA COM_RX
.outputs LED1 LED2 LED3 LED4 LED5 SDA ACK COM_TX COM_DCD COM_DSR COM_RTS
.names $false
.names $true
1
.names $undef
.gate SB_LUT4 I0=$abc$5798$n225 I1=$abc$5798$n553 I2=$abc$5798$n230 I3=UART.tx_activity O=$abc$5798$n5
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000000111111111
.gate SB_LUT4 I0=$abc$5798$n226_1 I1=$abc$5798$n229 I2=$abc$5798$n582 I3=$abc$5798$n568 O=$abc$5798$n225
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000101000001100
.gate SB_LUT4 I0=UART.tx_data[4] I1=UART.tx_data[6] I2=$abc$5798$n227 I3=$false O=$abc$5798$n226_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10101100
.gate SB_LUT4 I0=$abc$5798$n594 I1=$abc$5798$n595 I2=$false I3=$false O=$abc$5798$n227
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0110
.gate SB_LUT4 I0=UART.tx_bit_counter[0] I1=UART.tx_bit_counter[1] I2=$false I3=$false O=$abc$5798$n594
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0110
.gate SB_LUT4 I0=UART.tx_data[0] I1=UART.tx_data[2] I2=$abc$5798$n227 I3=$false O=$abc$5798$n229
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10101100
.gate SB_LUT4 I0=$abc$5798$n231 I1=$abc$5798$n232 I2=$abc$5798$n568 I3=$abc$5798$n582 O=$abc$5798$n230
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1010001100000000
.gate SB_LUT4 I0=UART.tx_data[5] I1=UART.tx_data[7] I2=$abc$5798$n227 I3=$false O=$abc$5798$n231
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10101100
.gate SB_LUT4 I0=UART.tx_data[1] I1=UART.tx_data[3] I2=$abc$5798$n227 I3=$false O=$abc$5798$n232
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 01010011
.gate SB_LUT4 I0=I2C.SDAF I1=I2C.SDAD I2=$abc$5798$n269 I3=$abc$5798$n235 O=$abc$5798$n7
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0011010100110011
.gate SB_LUT4 I0=I2C.sda_cnt[0] I1=I2C.sda_cnt[1] I2=$false I3=$false O=$abc$5798$n269
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1001
.gate SB_LUT4 I0=$abc$5798$n268 I1=$abc$5798$n271 I2=$abc$5798$n272 I3=$false O=$abc$5798$n235
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 00000001
.gate SB_LUT4 I0=I2C.SCLF I1=I2C.SCLD I2=$abc$5798$n276 I3=$abc$5798$n238 O=$abc$5798$n9
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0011010100110011
.gate SB_LUT4 I0=I2C.scl_cnt[0] I1=I2C.scl_cnt[1] I2=$false I3=$false O=$abc$5798$n276
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1001
.gate SB_LUT4 I0=$abc$5798$n275 I1=$abc$5798$n278 I2=$abc$5798$n279 I3=$false O=$abc$5798$n238
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 00000001
.gate SB_LUT4 I0=I2C.sda_cnt[0] I1=I2C.sda_cnt[1] I2=I2C.sda_cnt[2] I3=I2C.sda_cnt[3] O=$abc$5798$n25
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000000000000001
.gate SB_LUT4 I0=I2C.scl_cnt[0] I1=I2C.scl_cnt[1] I2=I2C.scl_cnt[2] I3=I2C.scl_cnt[3] O=$abc$5798$n27
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000000000000001
.gate SB_LUT4 I0=I2C.i2c_state_machine I1=$abc$5798$n242 I2=$abc$5798$n243 I3=$false O=$abc$5798$n29
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 11110001
.gate SB_LUT4 I0=$abc$5798$n9 I1=$abc$5798$n18 I2=$abc$5798$n7 I3=$false O=$abc$5798$n242
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 00010000
.gate SB_LUT4 I0=$abc$5798$n7 I1=$abc$5798$n9 I2=$abc$5798$n18 I3=$false O=$abc$5798$n243
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 00010000
.gate SB_LUT4 I0=$abc$5798$n242 I1=I2C.byte_counter[0] I2=$false I3=$false O=$abc$5798$n98
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=$abc$5798$n242 I1=I2C.byte_counter[2] I2=$false I3=$false O=$abc$5798$n101
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=$abc$5798$n242 I1=I2C.byte_counter[6] I2=$false I3=$false O=$abc$5798$n104
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=$abc$5798$n242 I1=I2C.byte_counter[7] I2=$false I3=$false O=$abc$5798$n105
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=$abc$5798$n242 I1=I2C.byte_counter[8] I2=$false I3=$false O=$abc$5798$n110
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=$0\UART_WR[0:0] I1=I2C.is_read I2=$false I3=$false O=$abc$5798$n141
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1000
.gate SB_LUT4 I0=wr_old I1=I2C.wr I2=$false I3=$false O=$0\UART_WR[0:0]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=I2C.is_read I1=$0\UART_WR[0:0] I2=$false I3=$false O=$0\RAM_W[0:0]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=I2C.wr I1=wr_old I2=$false I3=$false O=$abc$5798$n152
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0110
.gate SB_LUT4 I0=LED1 I1=$abc$5798$n254 I2=I2C.wr I3=wr_old O=$abc$5798$n156
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000001011000000
.gate SB_LUT4 I0=I2C.is_read I1=$abc$5798$n255 I2=$false I3=$false O=$abc$5798$n254
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=$abc$5798$n256 I1=$abc$5798$n259 I2=I2C.byte_counter[1] I3=$false O=$abc$5798$n255
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10000000
.gate SB_LUT4 I0=$abc$5798$n257 I1=$abc$5798$n258_1 I2=$false I3=$false O=$abc$5798$n256
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1000
.gate SB_LUT4 I0=I2C.byte_counter[0] I1=I2C.byte_counter[2] I2=$false I3=$false O=$abc$5798$n257
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0001
.gate SB_LUT4 I0=I2C.byte_counter[4] I1=I2C.byte_counter[5] I2=I2C.byte_counter[6] I3=I2C.byte_counter[7] O=$abc$5798$n258_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000000000000001
.gate SB_LUT4 I0=I2C.byte_counter[3] I1=I2C.byte_counter[8] I2=$false I3=$false O=$abc$5798$n259
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0001
.gate SB_LUT4 I0=$abc$5798$n254 I1=I2C.wr I2=wr_old I3=$false O=$abc$5798$n158
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 00011000
.gate SB_LUT4 I0=$abc$5798$n255 I1=$0\RAM_W[0:0] I2=I2C.wr I3=wr_old O=$abc$5798$n166
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0100111101000100
.gate SB_LUT4 I0=I2C.SDAD I1=I2C.SDAF I2=$abc$5798$n25 I3=$false O=$abc$5798$n168
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 01101111
.gate SB_LUT4 I0=I2C.SCLD I1=I2C.SCLF I2=$abc$5798$n27 I3=$false O=$abc$5798$n170
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 01101111
.gate SB_LUT4 I0=$abc$5798$n265 I1=$abc$5798$n270 I2=$false I3=$false O=$abc$5798$n185
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1000
.gate SB_LUT4 I0=$abc$5798$n79 I1=$abc$5798$n269_1 I2=$abc$5798$n266 I3=$false O=$abc$5798$n265
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 01000000
.gate SB_LUT4 I0=$abc$5798$n29 I1=$abc$5798$n267 I2=$abc$5798$n171 I3=$abc$5798$n268_1 O=$abc$5798$n266
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000000100000000
.gate SB_LUT4 I0=$abc$5798$n242 I1=I2C.is_read I2=$false I3=$false O=$abc$5798$n267
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=$abc$5798$n9 I1=$abc$5798$n20 I2=$false I3=$false O=$abc$5798$n268_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=$abc$5798$n71 I1=$abc$5798$n92 I2=$abc$5798$n584 I3=$false O=$abc$5798$n269_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 00010000
.gate SB_LUT4 I0=$abc$5798$n242 I1=$abc$5798$n77 I2=I2C.i2c_bit_counter[0] I3=I2C.i2c_bit_counter[1] O=$abc$5798$n270
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000000100010000
.gate SB_LUT4 I0=$abc$5798$n265 I1=$abc$5798$n272_1 I2=$false I3=$false O=$abc$5798$n195
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1000
.gate SB_LUT4 I0=$abc$5798$n242 I1=I2C.i2c_bit_counter[0] I2=I2C.i2c_bit_counter[1] I3=$abc$5798$n77 O=$abc$5798$n272_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0001010000000000
.gate SB_LUT4 I0=$abc$5798$n265 I1=$abc$5798$n274 I2=$false I3=$false O=$abc$5798$n203
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1000
.gate SB_LUT4 I0=$abc$5798$n242 I1=I2C.i2c_bit_counter[0] I2=I2C.i2c_bit_counter[1] I3=$abc$5798$n77 O=$abc$5798$n274
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000000011101011
.gate SB_LUT4 I0=$abc$5798$n265 I1=$abc$5798$n276_1 I2=$false I3=$false O=$abc$5798$n211
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1000
.gate SB_LUT4 I0=$abc$5798$n242 I1=I2C.i2c_bit_counter[0] I2=I2C.i2c_bit_counter[1] I3=$abc$5798$n77 O=$abc$5798$n276_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1110101100000000
.gate SB_LUT4 I0=$abc$5798$n278_1 I1=$abc$5798$n270 I2=$false I3=$false O=$abc$5798$n219
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1000
.gate SB_LUT4 I0=$abc$5798$n266 I1=$abc$5798$n269_1 I2=$abc$5798$n79 I3=$false O=$abc$5798$n278_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10000000
.gate SB_LUT4 I0=$abc$5798$n278_1 I1=$abc$5798$n272_1 I2=$false I3=$false O=$abc$5798$n226
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1000
.gate SB_LUT4 I0=$abc$5798$n278_1 I1=$abc$5798$n274 I2=$false I3=$false O=$abc$5798$n234
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1000
.gate SB_LUT4 I0=$abc$5798$n278_1 I1=$abc$5798$n276_1 I2=$false I3=$false O=$abc$5798$n241
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1000
.gate SB_LUT4 I0=$abc$5798$n283_1 I1=UART.tx_activity I2=$false I3=$false O=$abc$5798$n246
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1110
.gate SB_LUT4 I0=UART.TX_sig_last I1=UART_WR I2=$false I3=$false O=$abc$5798$n283_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=UART.tx_activity I1=$abc$5798$n283_1 I2=$false I3=$false O=$abc$5798$n247
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=$abc$5798$n288_1 I1=$abc$5798$n286_1 I2=$abc$5798$n283_1 I3=UART.tx_activity O=$abc$5798$n251
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0100010011110000
.gate SB_LUT4 I0=$abc$5798$n549 I1=$abc$5798$n288 I2=$abc$5798$n291 I3=$abc$5798$n292 O=$abc$5798$n286_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000000000000001
.gate SB_LUT4 I0=UART.tx_clk_counter[1] I1=UART.tx_clk_counter[0] I2=$false I3=$false O=$abc$5798$n549
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1001
.gate SB_LUT4 I0=UART.tx_bit_counter[0] I1=UART.tx_bit_counter[1] I2=UART.tx_bit_counter[2] I3=UART.tx_bit_counter[3] O=$abc$5798$n288_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000000000000001
.gate SB_LUT4 I0=$abc$5798$n242 I1=I2C.byte_counter[1] I2=$false I3=$false O=$abc$5798$n258
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=$abc$5798$n242 I1=I2C.byte_counter[3] I2=$false I3=$false O=$abc$5798$n260
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=$abc$5798$n242 I1=I2C.byte_counter[4] I2=$false I3=$false O=$abc$5798$n262
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=$abc$5798$n242 I1=I2C.byte_counter[5] I2=$false I3=$false O=$abc$5798$n263
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=RAM.last_we I1=RAM_W I2=$false I3=$false O=$abc$5798$n317
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=I2C.RECEIVED_BYTE[0] I1=$abc$5798$n318 I2=$0\RAM_W[0:0] I3=$false O=$0\ram_adress[7:0][0]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10101100
.gate SB_LUT4 I0=I2C.RECEIVED_BYTE[1] I1=LED2 I2=$0\RAM_W[0:0] I3=$false O=$0\ram_adress[7:0][1]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10100011
.gate SB_LUT4 I0=I2C.RECEIVED_BYTE[2] I1=$abc$5798$n323 I2=$0\RAM_W[0:0] I3=$false O=$0\ram_adress[7:0][2]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10101100
.gate SB_LUT4 I0=I2C.RECEIVED_BYTE[3] I1=$abc$5798$n325 I2=$0\RAM_W[0:0] I3=$false O=$0\ram_adress[7:0][3]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10101100
.gate SB_LUT4 I0=I2C.RECEIVED_BYTE[4] I1=$abc$5798$n328 I2=$0\RAM_W[0:0] I3=$false O=$0\ram_adress[7:0][4]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10101100
.gate SB_LUT4 I0=I2C.RECEIVED_BYTE[5] I1=$abc$5798$n330 I2=$0\RAM_W[0:0] I3=$false O=$0\ram_adress[7:0][5]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10101100
.gate SB_LUT4 I0=I2C.RECEIVED_BYTE[6] I1=$abc$5798$n333 I2=$0\RAM_W[0:0] I3=$false O=$0\ram_adress[7:0][6]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10101100
.gate SB_LUT4 I0=I2C.RECEIVED_BYTE[7] I1=$abc$5798$n336 I2=$0\RAM_W[0:0] I3=$false O=$0\ram_adress[7:0][7]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10101100
.gate SB_LUT4 I0=RAM.r_data[0] I1=I2C.RECEIVED_BYTE[0] I2=$abc$5798$n141 I3=$false O=$0\UART_TX_DATA[7:0][0]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10101100
.gate SB_LUT4 I0=RAM.r_data[1] I1=I2C.RECEIVED_BYTE[1] I2=$abc$5798$n141 I3=$false O=$0\UART_TX_DATA[7:0][1]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10101100
.gate SB_LUT4 I0=RAM.r_data[2] I1=I2C.RECEIVED_BYTE[2] I2=$abc$5798$n141 I3=$false O=$0\UART_TX_DATA[7:0][2]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10101100
.gate SB_LUT4 I0=RAM.r_data[3] I1=I2C.RECEIVED_BYTE[3] I2=$abc$5798$n141 I3=$false O=$0\UART_TX_DATA[7:0][3]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10101100
.gate SB_LUT4 I0=RAM.r_data[4] I1=I2C.RECEIVED_BYTE[4] I2=$abc$5798$n141 I3=$false O=$0\UART_TX_DATA[7:0][4]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10101100
.gate SB_LUT4 I0=RAM.r_data[5] I1=I2C.RECEIVED_BYTE[5] I2=$abc$5798$n141 I3=$false O=$0\UART_TX_DATA[7:0][5]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10101100
.gate SB_LUT4 I0=RAM.r_data[6] I1=I2C.RECEIVED_BYTE[6] I2=$abc$5798$n141 I3=$false O=$0\UART_TX_DATA[7:0][6]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10101100
.gate SB_LUT4 I0=RAM.r_data[7] I1=I2C.RECEIVED_BYTE[7] I2=$abc$5798$n141 I3=$false O=$0\UART_TX_DATA[7:0][7]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10101100
.gate SB_LUT4 I0=$abc$5798$n242 I1=I2C.i2c_bit_counter[0] I2=$false I3=$false O=$abc$5798$n363
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=$abc$5798$n242 I1=I2C.i2c_bit_counter[1] I2=$false I3=$false O=$abc$5798$n365
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=$abc$5798$n242 I1=I2C.i2c_bit_counter[2] I2=$false I3=$false O=$abc$5798$n367
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=$abc$5798$n242 I1=I2C.i2c_bit_counter[3] I2=$false I3=$false O=$abc$5798$n609
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0001
.gate SB_LUT4 I0=$abc$5798$n315 I1=$abc$5798$n336_1 I2=$abc$5798$n320_1 I3=$abc$5798$n326_1 O=$abc$5798$n378
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1011000011111111
.gate SB_LUT4 I0=$abc$5798$n316_1 I1=$abc$5798$n317_1 I2=$abc$5798$n318_1 I3=$abc$5798$n319_1 O=$abc$5798$n315
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000000000000001
.gate SB_LUT4 I0=$abc$5798$n14 I1=I2C_TX[0] I2=$abc$5798$n79 I3=$abc$5798$n270 O=$abc$5798$n316_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0101110000000000
.gate SB_LUT4 I0=$abc$5798$n22 I1=I2C_TX[5] I2=$abc$5798$n79 I3=$abc$5798$n272_1 O=$abc$5798$n317_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1100010100000000
.gate SB_LUT4 I0=I2C_TX[7] I1=I2C_TX[3] I2=$abc$5798$n79 I3=$abc$5798$n276_1 O=$abc$5798$n318_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1010110000000000
.gate SB_LUT4 I0=$abc$5798$n12 I1=I2C_TX[6] I2=$abc$5798$n79 I3=$abc$5798$n274 O=$abc$5798$n319_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1100010100000000
.gate SB_LUT4 I0=$abc$5798$n322_1 I1=$abc$5798$n321 I2=$false I3=$false O=$abc$5798$n320_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=$abc$5798$n29 I1=$abc$5798$n267 I2=$false I3=$false O=$abc$5798$n321
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=$abc$5798$n324_1 I1=$abc$5798$n323_1 I2=$abc$5798$n325_1 I3=$abc$5798$n171 O=$abc$5798$n322_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0111001100000011
.gate SB_LUT4 I0=$abc$5798$n242 I1=$abc$5798$n243 I2=I2C.SDA_DIR I3=$false O=$abc$5798$n323_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 00010000
.gate SB_LUT4 I0=$abc$5798$n242 I1=I2C.is_ack I2=$false I3=$false O=$abc$5798$n324_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=$abc$5798$n20 I1=$abc$5798$n9 I2=$false I3=$false O=$abc$5798$n325_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=$abc$5798$n328_1 I1=$abc$5798$n327_1 I2=I2C.i2c_state_machine I3=$abc$5798$n323_1 O=$abc$5798$n326_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1011000010111011
.gate SB_LUT4 I0=$abc$5798$n29 I1=$abc$5798$n267 I2=$false I3=$false O=$abc$5798$n327_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0001
.gate SB_LUT4 I0=$abc$5798$n329_1 I1=$abc$5798$n323_1 I2=$abc$5798$n330_1 I3=$abc$5798$n418 O=$abc$5798$n328_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1011000010111011
.gate SB_LUT4 I0=$abc$5798$n325_1 I1=$abc$5798$n171 I2=$false I3=$false O=$abc$5798$n329_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1000
.gate SB_LUT4 I0=$abc$5798$n331_1 I1=$abc$5798$n333_1 I2=$false I3=$false O=$abc$5798$n330_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0001
.gate SB_LUT4 I0=$abc$5798$n18 I1=$abc$5798$n9 I2=$abc$5798$n7 I3=$abc$5798$n332_1 O=$abc$5798$n331_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000000011101111
.gate SB_LUT4 I0=I2C.byte_counter[1] I1=$abc$5798$n259 I2=$abc$5798$n258_1 I3=$abc$5798$n257 O=$abc$5798$n332_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0100000000000000
.gate SB_LUT4 I0=$abc$5798$n334_1 I1=I2C.RECEIVED_BYTE[3] I2=I2C.RECEIVED_BYTE[5] I3=I2C.RECEIVED_BYTE[6] O=$abc$5798$n333_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1000000000000000
.gate SB_LUT4 I0=I2C.RECEIVED_BYTE[1] I1=I2C.RECEIVED_BYTE[2] I2=I2C.RECEIVED_BYTE[4] I3=I2C.RECEIVED_BYTE[7] O=$abc$5798$n334_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000000000000001
.gate SB_LUT4 I0=$abc$5798$n171 I1=$abc$5798$n325_1 I2=$false I3=$false O=$abc$5798$n336_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=$abc$5798$n338_1 I1=$abc$5798$n267 I2=$false I3=$false O=$abc$5798$n380
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1110
.gate SB_LUT4 I0=$abc$5798$n29 I1=$abc$5798$n331_1 I2=$abc$5798$n418 I3=I2C.RECEIVED_BYTE[0] O=$abc$5798$n338_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0001000000000000
.gate SB_LUT4 I0=$abc$5798$n340_1 I1=$abc$5798$n363 I2=$abc$5798$n343_1 I3=$abc$5798$n344_1 O=$abc$5798$n382
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1111111101000000
.gate SB_LUT4 I0=$abc$5798$n341_1 I1=$abc$5798$n336_1 I2=$abc$5798$n321 I3=$false O=$abc$5798$n340_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 11100000
.gate SB_LUT4 I0=$abc$5798$n342_1 I1=$abc$5798$n171 I2=$false I3=$false O=$abc$5798$n341_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1000
.gate SB_LUT4 I0=$abc$5798$n242 I1=$abc$5798$n268_1 I2=I2C.is_ack I3=$false O=$abc$5798$n342_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 01000000
.gate SB_LUT4 I0=$abc$5798$n324_1 I1=$abc$5798$n329_1 I2=$abc$5798$n327_1 I3=$abc$5798$n266 O=$abc$5798$n343_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000000001111111
.gate SB_LUT4 I0=$abc$5798$n345_1 I1=$abc$5798$n171 I2=$abc$5798$n77 I3=$false O=$abc$5798$n344_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 00010000
.gate SB_LUT4 I0=$abc$5798$n29 I1=$abc$5798$n267 I2=$abc$5798$n9 I3=$abc$5798$n20 O=$abc$5798$n345_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1111111010111111
.gate SB_LUT4 I0=$abc$5798$n340_1 I1=$abc$5798$n365 I2=$abc$5798$n343_1 I3=$abc$5798$n347_1 O=$abc$5798$n384
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1111111101000000
.gate SB_LUT4 I0=$abc$5798$n345_1 I1=$abc$5798$n348_1 I2=$abc$5798$n171 I3=$false O=$abc$5798$n347_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 00000001
.gate SB_LUT4 I0=$abc$5798$n242 I1=I2C.i2c_bit_counter[0] I2=I2C.i2c_bit_counter[1] I3=$false O=$abc$5798$n348_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 00010100
.gate SB_LUT4 I0=$abc$5798$n340_1 I1=$abc$5798$n367 I2=$abc$5798$n343_1 I3=$abc$5798$n350_1 O=$abc$5798$n386
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1111111101000000
.gate SB_LUT4 I0=$abc$5798$n345_1 I1=$abc$5798$n171 I2=$abc$5798$n79 I3=$false O=$abc$5798$n350_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 00010000
.gate SB_LUT4 I0=$abc$5798$n29 I1=$abc$5798$n267 I2=$abc$5798$n354_1 I3=$false O=$abc$5798$n353
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 00000001
.gate SB_LUT4 I0=$abc$5798$n325_1 I1=I2C.is_ack I2=I2C.i2c_bit_counter[3] I3=$abc$5798$n242 O=$abc$5798$n354_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000000000000111
.gate SB_LUT4 I0=$abc$5798$n321 I1=$abc$5798$n341_1 I2=$abc$5798$n359_1 I3=$false O=$abc$5798$n358_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 00000111
.gate SB_LUT4 I0=$abc$5798$n29 I1=$abc$5798$n267 I2=$abc$5798$n418 I3=$false O=$abc$5798$n359_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 00010000
.gate SB_LUT4 I0=$abc$5798$n492 I1=$abc$5798$n422 I2=$abc$5798$n260 I3=$abc$5798$n358_1 O=$abc$5798$n396
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1111000011101110
.gate SB_LUT4 I0=I2C.byte_counter[6] I1=I2C.byte_counter[7] I2=I2C.byte_counter[8] I3=I2C.byte_counter[1] O=$abc$5798$n369_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000000100000000
.gate SB_LUT4 I0=$abc$5798$n422 I1=$abc$5798$n493 I2=$abc$5798$n262 I3=$abc$5798$n358_1 O=$abc$5798$n398
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1111000001000100
.gate SB_LUT4 I0=$abc$5798$n422 I1=$abc$5798$n494 I2=$abc$5798$n263 I3=$abc$5798$n358_1 O=$abc$5798$n400
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1111000001000100
.gate SB_LUT4 I0=$abc$5798$n422 I1=$abc$5798$n495 I2=$abc$5798$n104 I3=$abc$5798$n358_1 O=$abc$5798$n402
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1111000001000100
.gate SB_LUT4 I0=$abc$5798$n422 I1=$abc$5798$n496 I2=$abc$5798$n105 I3=$abc$5798$n358_1 O=$abc$5798$n404
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1111000001000100
.gate SB_LUT4 I0=$abc$5798$n422 I1=$abc$5798$n497 I2=$abc$5798$n110 I3=$abc$5798$n358_1 O=$abc$5798$n406
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1111000001000100
.gate SB_LUT4 I0=$abc$5798$n376 I1=$abc$5798$n378_1 I2=$false I3=$false O=$abc$5798$n408
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1011
.gate SB_LUT4 I0=$abc$5798$n330_1 I1=$abc$5798$n418 I2=$abc$5798$n377 I3=$abc$5798$n327_1 O=$abc$5798$n376
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1111010000000000
.gate SB_LUT4 I0=$abc$5798$n329_1 I1=$abc$5798$n324_1 I2=$false I3=$false O=$abc$5798$n377
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0100
.gate SB_LUT4 I0=$abc$5798$n325_1 I1=$abc$5798$n171 I2=$abc$5798$n321 I3=$abc$5798$n423 O=$abc$5798$n378_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000000001111111
.gate SB_LUT4 I0=$abc$5798$n381 I1=$abc$5798$n382_1 I2=$abc$5798$n385 I3=$abc$5798$n387 O=$abc$5798$n410
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1111111111110010
.gate SB_LUT4 I0=$abc$5798$n321 I1=$abc$5798$n171 I2=$false I3=$false O=$abc$5798$n381
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1000
.gate SB_LUT4 I0=$abc$5798$n383 I1=$abc$5798$n384_1 I2=$abc$5798$n342_1 I3=$false O=$abc$5798$n382_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10100011
.gate SB_LUT4 I0=$abc$5798$n323_1 I1=$abc$5798$n7 I2=$false I3=$false O=$abc$5798$n383
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0001
.gate SB_LUT4 I0=$abc$5798$n242 I1=$abc$5798$n243 I2=I2C.wr I3=$false O=$abc$5798$n384_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 00010000
.gate SB_LUT4 I0=$abc$5798$n171 I1=$abc$5798$n325_1 I2=$abc$5798$n386_1 I3=$abc$5798$n384_1 O=$abc$5798$n385
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0001111100000000
.gate SB_LUT4 I0=$abc$5798$n329_1 I1=$abc$5798$n324_1 I2=$abc$5798$n267 I3=$abc$5798$n29 O=$abc$5798$n386_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000000011111000
.gate SB_LUT4 I0=$abc$5798$n596 I1=$abc$5798$n341_1 I2=$abc$5798$n327_1 I3=$false O=$abc$5798$n387
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 01000000
.gate SB_LUT4 I0=$abc$5798$n341_1 I1=$abc$5798$n383 I2=$abc$5798$n389 I3=$abc$5798$n267 O=$abc$5798$n415
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0111011100001111
.gate SB_LUT4 I0=$abc$5798$n330_1 I1=$abc$5798$n418 I2=$false I3=$false O=$abc$5798$n389
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1000
.gate SB_LUT4 I0=$abc$5798$n288_1 I1=$abc$5798$n286_1 I2=$abc$5798$n283_1 I3=UART.tx_activity O=$abc$5798$n546
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0111011111110000
.gate SB_LUT4 I0=$abc$5798$n286_1 I1=$abc$5798$n288 I2=$false I3=$false O=$abc$5798$n548
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1110
.gate SB_LUT4 I0=$abc$5798$n286_1 I1=$abc$5798$n291 I2=$false I3=$false O=$abc$5798$n550
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1110
.gate SB_LUT4 I0=$abc$5798$n286_1 I1=$abc$5798$n292 I2=$false I3=$false O=$abc$5798$n551
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1110
.gate SB_LUT4 I0=UART.tx_activity I1=I2C.i2c_state_machine I2=$false I3=$false O=COM_DSR
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 1110
.gate SB_LUT4 I0=RAM.r_data[2] I1=$false I2=$false I3=$false O=$abc$5798$n1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=RAM.r_data[4] I1=$false I2=$false I3=$false O=$abc$5798$n3
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=$abc$5798$n7 I1=$false I2=$false I3=$false O=$abc$5798$n6
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=$abc$5798$n9 I1=$false I2=$false I3=$false O=$abc$5798$n8
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=RAM.r_data[1] I1=$false I2=$false I3=$false O=$abc$5798$n11
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=$abc$5798$n16 I1=$false I2=$false I3=$false O=COM_TX
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=UART.tx_activity I1=$false I2=$false I3=$false O=$abc$5798$n31
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=$abc$5798$n609 I1=$false I2=$false I3=$false O=$abc$5798$n369
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=$abc$5798$n258 I1=$false I2=$false I3=$false O=$abc$5798$n583
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=$abc$5798$n365 I1=$false I2=$false I3=$false O=$abc$5798$n585
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=$abc$5798$n594 I1=$false I2=$false I3=$false O=$abc$5798$n593
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=$abc$5798$n101 I1=$false I2=$false I3=$false O=$abc$5798$n599
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=$abc$5798$n260 I1=$false I2=$false I3=$false O=$abc$5798$n600
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=$abc$5798$n263 I1=$false I2=$false I3=$false O=$abc$5798$n601
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=$abc$5798$n104 I1=$false I2=$false I3=$false O=$abc$5798$n602
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=$abc$5798$n105 I1=$false I2=$false I3=$false O=$abc$5798$n603
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=$abc$5798$n110 I1=$false I2=$false I3=$false O=$abc$5798$n604
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=$abc$5798$n262 I1=$false I2=$false I3=$false O=$abc$5798$n605
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=$abc$5798$n595 I1=$false I2=$false I3=$false O=$abc$5798$n606
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=$abc$5798$n363 I1=$false I2=$false I3=$false O=$abc$5798$n607
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=$abc$5798$n367 I1=$false I2=$false I3=$false O=$abc$5798$n608
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=$abc$5798$n610 I1=$false I2=$false I3=$false O=$abc$5798$n611
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=$abc$5798$n612 I1=$false I2=$false I3=$false O=$abc$5798$n613
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=I2C.is_ack I1=$abc$5798$n171 I2=$abc$5798$n325_1 I3=$false O=$abc$5798$n418
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 01000000
.gate SB_LUT4 I0=$abc$5798$n489 I1=$abc$5798$n98 I2=$abc$5798$n420 I3=$false O=$abc$5798$n390
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10101100
.gate SB_LUT4 I0=$abc$5798$n321 I1=$abc$5798$n341_1 I2=$abc$5798$n359_1 I3=$abc$5798$n422 O=$abc$5798$n420
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000000011111000
.gate SB_LUT4 I0=$abc$5798$n491 I1=$abc$5798$n101 I2=$abc$5798$n420 I3=$false O=$abc$5798$n394
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10101100
.gate SB_LUT4 I0=$abc$5798$n260 I1=$abc$5798$n257 I2=$abc$5798$n369_1 I3=$abc$5798$n258_1 O=$abc$5798$n422
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1000000000000000
.gate SB_LUT4 I0=$abc$5798$n29 I1=$abc$5798$n325_1 I2=$abc$5798$n324_1 I3=$false O=$abc$5798$n423
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10110000
.gate SB_LUT4 I0=$abc$5798$n609 I1=$abc$5798$n71 I2=$abc$5798$n345_1 I3=$false O=$abc$5798$n424
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 01011100
.gate SB_LUT4 I0=$abc$5798$n345_1 I1=$abc$5798$n342_1 I2=$abc$5798$n609 I3=$abc$5798$n321 O=$abc$5798$n425
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0011000011110101
.gate SB_LUT4 I0=$abc$5798$n353 I1=$abc$5798$n425 I2=$abc$5798$n424 I3=$abc$5798$n171 O=$abc$5798$n388
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1011101111110000
.gate SB_LUT4 I0=$abc$5798$n242 I1=$abc$5798$n418 I2=$abc$5798$n341_1 I3=$abc$5798$n267 O=$abc$5798$n427
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1111000001000100
.gate SB_LUT4 I0=$abc$5798$n29 I1=I2C.byte_counter[0] I2=$abc$5798$n427 I3=$abc$5798$n258 O=$abc$5798$n392
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1011111101000000
.gate SB_CARRY CI=$abc$5798$n606 CO=$auto$alumacc.cc:470:replace_alu$1306.C[2] I0=$false I1=$abc$5798$n594
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1306.C[2] CO=$auto$alumacc.cc:470:replace_alu$1306.C[3] I0=$false I1=$abc$5798$n611
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1306.C[3] CO=$abc$5798$n553 I0=$false I1=$abc$5798$n613
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_CARRY CI=$abc$5798$n607 CO=$auto$alumacc.cc:470:replace_alu$1311.C[2] I0=$false I1=$abc$5798$n585
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1311.C[2] CO=$auto$alumacc.cc:470:replace_alu$1311.C[3] I0=$false I1=$abc$5798$n608
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1311.C[3] CO=$abc$5798$n171 I0=$false I1=$abc$5798$n609
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_CARRY CI=$abc$5798$n583 CO=$auto$alumacc.cc:470:replace_alu$1316.C[3] I0=$false I1=$abc$5798$n599
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1316.C[3] CO=$auto$alumacc.cc:470:replace_alu$1316.C[4] I0=$false I1=$abc$5798$n600
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1316.C[4] CO=$auto$alumacc.cc:470:replace_alu$1316.C[5] I0=$false I1=$abc$5798$n605
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1316.C[5] CO=$auto$alumacc.cc:470:replace_alu$1316.C[6] I0=$false I1=$abc$5798$n601
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1316.C[6] CO=$auto$alumacc.cc:470:replace_alu$1316.C[7] I0=$false I1=$abc$5798$n602
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1316.C[7] CO=$auto$alumacc.cc:470:replace_alu$1316.C[8] I0=$false I1=$abc$5798$n603
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1316.C[8] CO=$abc$5798$n596 I0=$false I1=$abc$5798$n604
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$true I2=$abc$5798$n98 I3=$false O=$abc$5798$n489
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$abc$5798$n98 CO=$auto$alumacc.cc:470:replace_alu$1321.C[2] I0=$false I1=$abc$5798$n258
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=$abc$5798$n101 I3=$auto$alumacc.cc:470:replace_alu$1321.C[2] O=$abc$5798$n491
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1321.C[2] CO=$auto$alumacc.cc:470:replace_alu$1321.C[3] I0=$false I1=$abc$5798$n101
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=$abc$5798$n260 I3=$auto$alumacc.cc:470:replace_alu$1321.C[3] O=$abc$5798$n492
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1321.C[3] CO=$auto$alumacc.cc:470:replace_alu$1321.C[4] I0=$false I1=$abc$5798$n260
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=$abc$5798$n262 I3=$auto$alumacc.cc:470:replace_alu$1321.C[4] O=$abc$5798$n493
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1321.C[4] CO=$auto$alumacc.cc:470:replace_alu$1321.C[5] I0=$false I1=$abc$5798$n262
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=$abc$5798$n263 I3=$auto$alumacc.cc:470:replace_alu$1321.C[5] O=$abc$5798$n494
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1321.C[5] CO=$auto$alumacc.cc:470:replace_alu$1321.C[6] I0=$false I1=$abc$5798$n263
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=$abc$5798$n104 I3=$auto$alumacc.cc:470:replace_alu$1321.C[6] O=$abc$5798$n495
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1321.C[6] CO=$auto$alumacc.cc:470:replace_alu$1321.C[7] I0=$false I1=$abc$5798$n104
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=$abc$5798$n105 I3=$auto$alumacc.cc:470:replace_alu$1321.C[7] O=$abc$5798$n496
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1321.C[7] CO=$auto$alumacc.cc:470:replace_alu$1321.C[8] I0=$false I1=$abc$5798$n105
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=$abc$5798$n110 I3=$auto$alumacc.cc:470:replace_alu$1321.C[8] O=$abc$5798$n497
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_LUT4 I0=$false I1=$abc$5798$n363 I2=$false I3=$true O=$abc$5798$n77
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$abc$5798$n363 CO=$auto$alumacc.cc:470:replace_alu$1324.C[2] I0=$abc$5798$n365 I1=$true
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$abc$5798$n367 I2=$true I3=$auto$alumacc.cc:470:replace_alu$1324.C[2] O=$abc$5798$n79
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1324.C[2] CO=$auto$alumacc.cc:470:replace_alu$1324.C[3] I0=$abc$5798$n367 I1=$true
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$abc$5798$n369 I2=$true I3=$auto$alumacc.cc:470:replace_alu$1324.C[3] O=$abc$5798$n71
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1324.C[3] CO=$abc$5798$n584 I0=$abc$5798$n369 I1=$true
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=$true I3=$abc$5798$n584 O=$abc$5798$n92
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_LUT4 I0=$false I1=I2C.scl_cnt[0] I2=$false I3=$true O=$abc$5798$n275
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=I2C.scl_cnt[0] CO=$auto$alumacc.cc:470:replace_alu$1327.C[2] I0=I2C.scl_cnt[1] I1=$true
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=I2C.scl_cnt[2] I2=$true I3=$auto$alumacc.cc:470:replace_alu$1327.C[2] O=$abc$5798$n278
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1327.C[2] CO=$auto$alumacc.cc:470:replace_alu$1327.C[3] I0=I2C.scl_cnt[2] I1=$true
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=I2C.scl_cnt[3] I2=$true I3=$auto$alumacc.cc:470:replace_alu$1327.C[3] O=$abc$5798$n279
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_LUT4 I0=$false I1=I2C.sda_cnt[0] I2=$false I3=$true O=$abc$5798$n268
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=I2C.sda_cnt[0] CO=$auto$alumacc.cc:470:replace_alu$1330.C[2] I0=I2C.sda_cnt[1] I1=$true
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=I2C.sda_cnt[2] I2=$true I3=$auto$alumacc.cc:470:replace_alu$1330.C[2] O=$abc$5798$n271
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1330.C[2] CO=$auto$alumacc.cc:470:replace_alu$1330.C[3] I0=I2C.sda_cnt[2] I1=$true
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=I2C.sda_cnt[3] I2=$true I3=$auto$alumacc.cc:470:replace_alu$1330.C[3] O=$abc$5798$n272
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_LUT4 I0=$false I1=$true I2=LED1 I3=$false O=$abc$5798$n318
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=LED1 CO=$auto$alumacc.cc:470:replace_alu$1333.C[2] I0=$false I1=LED2
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=LED3 I3=$auto$alumacc.cc:470:replace_alu$1333.C[2] O=$abc$5798$n323
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1333.C[2] CO=$auto$alumacc.cc:470:replace_alu$1333.C[3] I0=$false I1=LED3
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=LED4 I3=$auto$alumacc.cc:470:replace_alu$1333.C[3] O=$abc$5798$n325
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1333.C[3] CO=$auto$alumacc.cc:470:replace_alu$1333.C[4] I0=$false I1=LED4
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=ram_adress[4] I3=$auto$alumacc.cc:470:replace_alu$1333.C[4] O=$abc$5798$n328
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1333.C[4] CO=$auto$alumacc.cc:470:replace_alu$1333.C[5] I0=$false I1=ram_adress[4]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=ram_adress[5] I3=$auto$alumacc.cc:470:replace_alu$1333.C[5] O=$abc$5798$n330
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1333.C[5] CO=$auto$alumacc.cc:470:replace_alu$1333.C[6] I0=$false I1=ram_adress[5]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=ram_adress[6] I3=$auto$alumacc.cc:470:replace_alu$1333.C[6] O=$abc$5798$n333
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1333.C[6] CO=$auto$alumacc.cc:470:replace_alu$1333.C[7] I0=$false I1=ram_adress[6]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=ram_adress[7] I3=$auto$alumacc.cc:470:replace_alu$1333.C[7] O=$abc$5798$n336
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_LUT4 I0=$false I1=UART.tx_clk_counter[0] I2=$false I3=$true O=$abc$5798$n288
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=UART.tx_clk_counter[0] CO=$auto$alumacc.cc:470:replace_alu$1336.C[2] I0=UART.tx_clk_counter[1] I1=$true
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=UART.tx_clk_counter[2] I2=$true I3=$auto$alumacc.cc:470:replace_alu$1336.C[2] O=$abc$5798$n291
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1336.C[2] CO=$auto$alumacc.cc:470:replace_alu$1336.C[3] I0=UART.tx_clk_counter[2] I1=$true
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=UART.tx_clk_counter[3] I2=$true I3=$auto$alumacc.cc:470:replace_alu$1336.C[3] O=$abc$5798$n292
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_LUT4 I0=$false I1=UART.tx_bit_counter[0] I2=$false I3=$true O=$abc$5798$n595
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=UART.tx_bit_counter[0] CO=$auto$alumacc.cc:470:replace_alu$1339.C[2] I0=UART.tx_bit_counter[1] I1=$true
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=UART.tx_bit_counter[2] I2=$true I3=$auto$alumacc.cc:470:replace_alu$1339.C[2] O=$abc$5798$n610
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$1339.C[2] CO=$auto$alumacc.cc:470:replace_alu$1339.C[3] I0=UART.tx_bit_counter[2] I1=$true
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=UART.tx_bit_counter[3] I2=$true I3=$auto$alumacc.cc:470:replace_alu$1339.C[3] O=$abc$5798$n612
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_LUT4 I0=$false I1=$false I2=$abc$5798$n606 I3=$true O=$abc$5798$n582
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$abc$5798$n606 CO=$auto$alumacc.cc:470:replace_alu$1342.C[2] I0=$false I1=$abc$5798$n594
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=$abc$5798$n611 I3=$auto$alumacc.cc:470:replace_alu$1342.C[2] O=$abc$5798$n568
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_DFFE C=CLK D=RAM.r_data[0] E=$abc$5798$n141 Q=I2C_TX[0]
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$abc$5798$n11 E=$abc$5798$n141 Q=$abc$5798$n22
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$abc$5798$n1 E=$abc$5798$n141 Q=$abc$5798$n12
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=RAM.r_data[3] E=$abc$5798$n141 Q=I2C_TX[3]
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$abc$5798$n3 E=$abc$5798$n141 Q=$abc$5798$n14
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=RAM.r_data[5] E=$abc$5798$n141 Q=I2C_TX[5]
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=RAM.r_data[6] E=$abc$5798$n141 Q=I2C_TX[6]
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=RAM.r_data[7] E=$abc$5798$n141 Q=I2C_TX[7]
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFESS C=CLK D=$0\RAM_W[0:0] E=$abc$5798$n152 Q=UART_WR S=$abc$5798$n141
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$0\UART_TX_DATA[7:0][0] E=$0\UART_WR[0:0] Q=UART_TX_DATA[0]
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$0\UART_TX_DATA[7:0][1] E=$0\UART_WR[0:0] Q=UART_TX_DATA[1]
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$0\UART_TX_DATA[7:0][2] E=$0\UART_WR[0:0] Q=UART_TX_DATA[2]
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$0\UART_TX_DATA[7:0][3] E=$0\UART_WR[0:0] Q=UART_TX_DATA[3]
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$0\UART_TX_DATA[7:0][4] E=$0\UART_WR[0:0] Q=UART_TX_DATA[4]
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$0\UART_TX_DATA[7:0][5] E=$0\UART_WR[0:0] Q=UART_TX_DATA[5]
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$0\UART_TX_DATA[7:0][6] E=$0\UART_WR[0:0] Q=UART_TX_DATA[6]
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$0\UART_TX_DATA[7:0][7] E=$0\UART_WR[0:0] Q=UART_TX_DATA[7]
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFF C=CLK D=I2C.wr Q=wr_old
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFE C=CLK D=$0\ram_adress[7:0][0] E=$abc$5798$n158 Q=LED1
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$0\ram_adress[7:0][1] E=$abc$5798$n156 Q=LED2
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$0\ram_adress[7:0][2] E=$abc$5798$n158 Q=LED3
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$0\ram_adress[7:0][3] E=$abc$5798$n158 Q=LED4
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$0\ram_adress[7:0][4] E=$abc$5798$n158 Q=ram_adress[4]
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$0\ram_adress[7:0][5] E=$abc$5798$n158 Q=ram_adress[5]
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$0\ram_adress[7:0][6] E=$abc$5798$n158 Q=ram_adress[6]
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$0\ram_adress[7:0][7] E=$abc$5798$n158 Q=ram_adress[7]
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$0\RAM_W[0:0] E=$abc$5798$n166 Q=RAM_W
.attr src "top.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFN C=CLK D=SCL Q=I2C.SCLF
.attr src "i2c_slave.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:1"
.gate SB_DFFN C=CLK D=I2C.SDA_IN Q=I2C.SDAF
.attr src "i2c_slave.v:41|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:1"
.gate SB_DFFESS C=CLK D=$abc$5798$n268 E=$abc$5798$n168 Q=I2C.sda_cnt[0] S=$abc$5798$n25
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFESS C=CLK D=$abc$5798$n269 E=$abc$5798$n168 Q=I2C.sda_cnt[1] S=$abc$5798$n25
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFESS C=CLK D=$abc$5798$n271 E=$abc$5798$n168 Q=I2C.sda_cnt[2] S=$abc$5798$n25
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFESR C=CLK D=$abc$5798$n272 E=$abc$5798$n168 Q=I2C.sda_cnt[3] R=$abc$5798$n25
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFESS C=CLK D=$abc$5798$n275 E=$abc$5798$n170 Q=I2C.scl_cnt[0] S=$abc$5798$n27
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFESS C=CLK D=$abc$5798$n276 E=$abc$5798$n170 Q=I2C.scl_cnt[1] S=$abc$5798$n27
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFESS C=CLK D=$abc$5798$n278 E=$abc$5798$n170 Q=I2C.scl_cnt[2] S=$abc$5798$n27
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFESR C=CLK D=$abc$5798$n279 E=$abc$5798$n170 Q=I2C.scl_cnt[3] R=$abc$5798$n27
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFF C=CLK D=$abc$5798$n410 Q=I2C.wr
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFF C=CLK D=$abc$5798$n408 Q=I2C.is_ack
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFF C=CLK D=$abc$5798$n390 Q=I2C.byte_counter[0]
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFF C=CLK D=$abc$5798$n392 Q=I2C.byte_counter[1]
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFF C=CLK D=$abc$5798$n394 Q=I2C.byte_counter[2]
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFF C=CLK D=$abc$5798$n396 Q=I2C.byte_counter[3]
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFF C=CLK D=$abc$5798$n398 Q=I2C.byte_counter[4]
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFF C=CLK D=$abc$5798$n400 Q=I2C.byte_counter[5]
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFF C=CLK D=$abc$5798$n402 Q=I2C.byte_counter[6]
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFF C=CLK D=$abc$5798$n404 Q=I2C.byte_counter[7]
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFF C=CLK D=$abc$5798$n406 Q=I2C.byte_counter[8]
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFF C=CLK D=$abc$5798$n382 Q=I2C.i2c_bit_counter[0]
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFF C=CLK D=$abc$5798$n384 Q=I2C.i2c_bit_counter[1]
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFF C=CLK D=$abc$5798$n386 Q=I2C.i2c_bit_counter[2]
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFF C=CLK D=$abc$5798$n388 Q=I2C.i2c_bit_counter[3]
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFF C=CLK D=$abc$5798$n380 Q=I2C.is_read
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$abc$5798$n415 Q=I2C.i2c_state_machine R=$abc$5798$n29
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFF C=CLK D=$abc$5798$n7 Q=$abc$5798$n18
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFF C=CLK D=$abc$5798$n9 Q=$abc$5798$n20
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFF C=CLK D=$abc$5798$n6 Q=I2C.SDAD
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFF C=CLK D=$abc$5798$n8 Q=I2C.SCLD
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFF C=CLK D=$abc$5798$n378 Q=I2C.SDA_DIR
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFE C=CLK D=$abc$5798$n6 E=$abc$5798$n185 Q=I2C.RECEIVED_BYTE[0]
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$abc$5798$n6 E=$abc$5798$n195 Q=I2C.RECEIVED_BYTE[1]
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$abc$5798$n6 E=$abc$5798$n203 Q=I2C.RECEIVED_BYTE[2]
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$abc$5798$n6 E=$abc$5798$n211 Q=I2C.RECEIVED_BYTE[3]
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$abc$5798$n6 E=$abc$5798$n219 Q=I2C.RECEIVED_BYTE[4]
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$abc$5798$n6 E=$abc$5798$n226 Q=I2C.RECEIVED_BYTE[5]
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$abc$5798$n6 E=$abc$5798$n234 Q=I2C.RECEIVED_BYTE[6]
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$abc$5798$n6 E=$abc$5798$n241 Q=I2C.RECEIVED_BYTE[7]
.attr src "i2c_slave.v:46|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFF C=CLK D=$abc$5798$n546 Q=UART.tx_activity
.attr src "uart.v:17|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFE C=CLK D=$abc$5798$n5 E=$abc$5798$n251 Q=$abc$5798$n16
.attr src "uart.v:17|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=UART_TX_DATA[0] E=$abc$5798$n247 Q=UART.tx_data[0]
.attr src "uart.v:17|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=UART_TX_DATA[1] E=$abc$5798$n247 Q=UART.tx_data[1]
.attr src "uart.v:17|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=UART_TX_DATA[2] E=$abc$5798$n247 Q=UART.tx_data[2]
.attr src "uart.v:17|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=UART_TX_DATA[3] E=$abc$5798$n247 Q=UART.tx_data[3]
.attr src "uart.v:17|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=UART_TX_DATA[4] E=$abc$5798$n247 Q=UART.tx_data[4]
.attr src "uart.v:17|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=UART_TX_DATA[5] E=$abc$5798$n247 Q=UART.tx_data[5]
.attr src "uart.v:17|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=UART_TX_DATA[6] E=$abc$5798$n247 Q=UART.tx_data[6]
.attr src "uart.v:17|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=UART_TX_DATA[7] E=$abc$5798$n247 Q=UART.tx_data[7]
.attr src "uart.v:17|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFESS C=CLK D=$abc$5798$n548 E=$abc$5798$n246 Q=UART.tx_clk_counter[0] S=$abc$5798$n31
.attr src "uart.v:17|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFESR C=CLK D=$abc$5798$n549 E=$abc$5798$n246 Q=UART.tx_clk_counter[1] R=$abc$5798$n31
.attr src "uart.v:17|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFESS C=CLK D=$abc$5798$n550 E=$abc$5798$n246 Q=UART.tx_clk_counter[2] S=$abc$5798$n31
.attr src "uart.v:17|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFESS C=CLK D=$abc$5798$n551 E=$abc$5798$n246 Q=UART.tx_clk_counter[3] S=$abc$5798$n31
.attr src "uart.v:17|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFESS C=CLK D=$abc$5798$n595 E=$abc$5798$n251 Q=UART.tx_bit_counter[0] S=$abc$5798$n31
.attr src "uart.v:17|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFESR C=CLK D=$abc$5798$n593 E=$abc$5798$n251 Q=UART.tx_bit_counter[1] R=$abc$5798$n31
.attr src "uart.v:17|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFESR C=CLK D=$abc$5798$n610 E=$abc$5798$n251 Q=UART.tx_bit_counter[2] R=$abc$5798$n31
.attr src "uart.v:17|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFESS C=CLK D=$abc$5798$n612 E=$abc$5798$n251 Q=UART.tx_bit_counter[3] S=$abc$5798$n31
.attr src "uart.v:17|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFF C=CLK D=UART_WR Q=UART.TX_sig_last
.attr src "uart.v:17|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFF C=CLK D=RAM_W Q=RAM.last_we
.attr src "ram.v:8|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_IO D_IN_0=I2C.SDA_IN D_OUT_0=$false OUTPUT_ENABLE=I2C.SDA_DIR PACKAGE_PIN=SDA
.attr src "i2c_slave.v:163"
.param PIN_TYPE 101001
.param PULLUP 0
.gate SB_RAM40_4K MASK[0]=$undef MASK[1]=$undef MASK[2]=$undef MASK[3]=$undef MASK[4]=$undef MASK[5]=$undef MASK[6]=$undef MASK[7]=$undef MASK[8]=$undef MASK[9]=$undef MASK[10]=$undef MASK[11]=$undef MASK[12]=$undef MASK[13]=$undef MASK[14]=$undef MASK[15]=$undef RADDR[0]=LED1 RADDR[1]=LED2 RADDR[2]=LED3 RADDR[3]=LED4 RADDR[4]=ram_adress[4] RADDR[5]=ram_adress[5] RADDR[6]=ram_adress[6] RADDR[7]=ram_adress[7] RADDR[8]=$false RADDR[9]=$false RADDR[10]=$false RCLK=CLK RCLKE=$true RDATA[0]=RAM.r_data[0] RDATA[1]=$techmap1352\RAM.mem.0.0.0.A1DATA_16[1] RDATA[2]=RAM.r_data[1] RDATA[3]=$techmap1352\RAM.mem.0.0.0.A1DATA_16[3] RDATA[4]=RAM.r_data[2] RDATA[5]=$techmap1352\RAM.mem.0.0.0.A1DATA_16[5] RDATA[6]=RAM.r_data[3] RDATA[7]=$techmap1352\RAM.mem.0.0.0.A1DATA_16[7] RDATA[8]=RAM.r_data[4] RDATA[9]=$techmap1352\RAM.mem.0.0.0.A1DATA_16[9] RDATA[10]=RAM.r_data[5] RDATA[11]=$techmap1352\RAM.mem.0.0.0.A1DATA_16[11] RDATA[12]=RAM.r_data[6] RDATA[13]=$techmap1352\RAM.mem.0.0.0.A1DATA_16[13] RDATA[14]=RAM.r_data[7] RDATA[15]=$techmap1352\RAM.mem.0.0.0.A1DATA_16[15] RE=$true WADDR[0]=LED1 WADDR[1]=LED2 WADDR[2]=LED3 WADDR[3]=LED4 WADDR[4]=ram_adress[4] WADDR[5]=ram_adress[5] WADDR[6]=ram_adress[6] WADDR[7]=ram_adress[7] WADDR[8]=$false WADDR[9]=$false WADDR[10]=$false WCLK=CLK WCLKE=$abc$5798$n317 WDATA[0]=I2C.RECEIVED_BYTE[0] WDATA[1]=$undef WDATA[2]=I2C.RECEIVED_BYTE[1] WDATA[3]=$undef WDATA[4]=I2C.RECEIVED_BYTE[2] WDATA[5]=$undef WDATA[6]=I2C.RECEIVED_BYTE[3] WDATA[7]=$undef WDATA[8]=I2C.RECEIVED_BYTE[4] WDATA[9]=$undef WDATA[10]=I2C.RECEIVED_BYTE[5] WDATA[11]=$undef WDATA[12]=I2C.RECEIVED_BYTE[6] WDATA[13]=$undef WDATA[14]=I2C.RECEIVED_BYTE[7] WDATA[15]=$undef WE=$true
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/brams_map.v:277|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/brams_map.v:35"
.param INIT_0 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx1x1x1x1x1x1x1x1
.param INIT_1 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
.param INIT_2 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
.param INIT_3 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
.param INIT_4 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
.param INIT_5 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
.param INIT_6 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
.param INIT_7 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
.param INIT_8 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
.param INIT_9 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
.param INIT_A xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
.param INIT_B xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
.param INIT_C xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
.param INIT_D xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
.param INIT_E xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
.param INIT_F xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
.param READ_MODE 00000000000000000000000000000001
.param WRITE_MODE 00000000000000000000000000000001
.names I2C.is_read ACK
1 1
.names $undef COM_DCD
1 1
.names I2C.is_read COM_RTS
1 1
.names I2C_TX[0] I2C.BYTE_TO_TRANSMIT[0]
1 1
.names I2C_TX[3] I2C.BYTE_TO_TRANSMIT[3]
1 1
.names I2C_TX[5] I2C.BYTE_TO_TRANSMIT[5]
1 1
.names I2C_TX[6] I2C.BYTE_TO_TRANSMIT[6]
1 1
.names I2C_TX[7] I2C.BYTE_TO_TRANSMIT[7]
1 1
.names CLK I2C.CLK
1 1
.names I2C.byte_counter[0] I2C.COUNTER[0]
1 1
.names I2C.byte_counter[1] I2C.COUNTER[1]
1 1
.names I2C.byte_counter[2] I2C.COUNTER[2]
1 1
.names I2C.byte_counter[3] I2C.COUNTER[3]
1 1
.names I2C.byte_counter[4] I2C.COUNTER[4]
1 1
.names I2C.byte_counter[5] I2C.COUNTER[5]
1 1
.names I2C.byte_counter[6] I2C.COUNTER[6]
1 1
.names I2C.byte_counter[7] I2C.COUNTER[7]
1 1
.names I2C.byte_counter[8] I2C.COUNTER[8]
1 1
.names I2C.is_ack I2C.IS_ACK
1 1
.names I2C.is_read I2C.IS_READ
1 1
.names I2C.i2c_state_machine I2C.IS_TRANSMISSION
1 1
.names SCL I2C.SCL
1 1
.names SDA I2C.SDA
1 1
.names I2C.wr I2C.WR
1 1
.names I2C.is_ack I2C_ACK
1 1
.names I2C.byte_counter[0] I2C_COUNTER[0]
1 1
.names I2C.byte_counter[1] I2C_COUNTER[1]
1 1
.names I2C.byte_counter[2] I2C_COUNTER[2]
1 1
.names I2C.byte_counter[3] I2C_COUNTER[3]
1 1
.names I2C.byte_counter[4] I2C_COUNTER[4]
1 1
.names I2C.byte_counter[5] I2C_COUNTER[5]
1 1
.names I2C.byte_counter[6] I2C_COUNTER[6]
1 1
.names I2C.byte_counter[7] I2C_COUNTER[7]
1 1
.names I2C.byte_counter[8] I2C_COUNTER[8]
1 1
.names $false I2C_COUNTER[9]
1 1
.names I2C.is_read I2C_READ
1 1
.names I2C.RECEIVED_BYTE[0] I2C_RX[0]
1 1
.names I2C.RECEIVED_BYTE[1] I2C_RX[1]
1 1
.names I2C.RECEIVED_BYTE[2] I2C_RX[2]
1 1
.names I2C.RECEIVED_BYTE[3] I2C_RX[3]
1 1
.names I2C.RECEIVED_BYTE[4] I2C_RX[4]
1 1
.names I2C.RECEIVED_BYTE[5] I2C_RX[5]
1 1
.names I2C.RECEIVED_BYTE[6] I2C_RX[6]
1 1
.names I2C.RECEIVED_BYTE[7] I2C_RX[7]
1 1
.names I2C.i2c_state_machine I2C_TRANS
1 1
.names I2C.BYTE_TO_TRANSMIT[1] I2C_TX[1]
1 1
.names I2C.BYTE_TO_TRANSMIT[2] I2C_TX[2]
1 1
.names I2C.BYTE_TO_TRANSMIT[4] I2C_TX[4]
1 1
.names I2C.wr I2C_WR
1 1
.names I2C.i2c_state_machine LED5
1 1
.names LED1 RAM.addr[0]
1 1
.names LED2 RAM.addr[1]
1 1
.names LED3 RAM.addr[2]
1 1
.names LED4 RAM.addr[3]
1 1
.names ram_adress[4] RAM.addr[4]
1 1
.names ram_adress[5] RAM.addr[5]
1 1
.names ram_adress[6] RAM.addr[6]
1 1
.names ram_adress[7] RAM.addr[7]
1 1
.names $false RAM.addr[8]
1 1
.names CLK RAM.clk
1 1
.names RAM.r_data[0] RAM.rdata[0]
1 1
.names RAM.r_data[1] RAM.rdata[1]
1 1
.names RAM.r_data[2] RAM.rdata[2]
1 1
.names RAM.r_data[3] RAM.rdata[3]
1 1
.names RAM.r_data[4] RAM.rdata[4]
1 1
.names RAM.r_data[5] RAM.rdata[5]
1 1
.names RAM.r_data[6] RAM.rdata[6]
1 1
.names RAM.r_data[7] RAM.rdata[7]
1 1
.names I2C.RECEIVED_BYTE[0] RAM.wdata[0]
1 1
.names I2C.RECEIVED_BYTE[1] RAM.wdata[1]
1 1
.names I2C.RECEIVED_BYTE[2] RAM.wdata[2]
1 1
.names I2C.RECEIVED_BYTE[3] RAM.wdata[3]
1 1
.names I2C.RECEIVED_BYTE[4] RAM.wdata[4]
1 1
.names I2C.RECEIVED_BYTE[5] RAM.wdata[5]
1 1
.names I2C.RECEIVED_BYTE[6] RAM.wdata[6]
1 1
.names I2C.RECEIVED_BYTE[7] RAM.wdata[7]
1 1
.names RAM_W RAM.wen
1 1
.names RAM.r_data[0] RAM_RD[0]
1 1
.names RAM.r_data[1] RAM_RD[1]
1 1
.names RAM.r_data[2] RAM_RD[2]
1 1
.names RAM.r_data[3] RAM_RD[3]
1 1
.names RAM.r_data[4] RAM_RD[4]
1 1
.names RAM.r_data[5] RAM_RD[5]
1 1
.names RAM.r_data[6] RAM_RD[6]
1 1
.names RAM.r_data[7] RAM_RD[7]
1 1
.names CLK UART.CLK
1 1
.names UART.tx_activity UART.TX_ACTIVITY
1 1
.names UART_TX_DATA[0] UART.TX_BYTE[0]
1 1
.names UART_TX_DATA[1] UART.TX_BYTE[1]
1 1
.names UART_TX_DATA[2] UART.TX_BYTE[2]
1 1
.names UART_TX_DATA[3] UART.TX_BYTE[3]
1 1
.names UART_TX_DATA[4] UART.TX_BYTE[4]
1 1
.names UART_TX_DATA[5] UART.TX_BYTE[5]
1 1
.names UART_TX_DATA[6] UART.TX_BYTE[6]
1 1
.names UART_TX_DATA[7] UART.TX_BYTE[7]
1 1
.names COM_TX UART.TX_LINE
1 1
.names UART_WR UART.TX_SIGNAL
1 1
.names COM_TX UART.tx_line
1 1
.names UART.tx_activity UART_ACTIVE
1 1
.names COM_TX UART_TX_LINE
1 1
.names LED1 ram_adress[0]
1 1
.names LED2 ram_adress[1]
1 1
.names LED3 ram_adress[2]
1 1
.names LED4 ram_adress[3]
1 1
.end

173
i2c_flash/i2c_slave.v
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module i2c_slave (input CLK,
input SCL, inout SDA,
output IS_TRANSMISSION, output IS_READ, output IS_ACK, output WR, //output ACK_MASTER_CTRL,
output reg [7:0] RECEIVED_BYTE, input [7:0] BYTE_TO_TRANSMIT,
output [(MAX_I2C_TRANSACTION_EXP2-1):0] COUNTER);
// ALL OPERATIONS WITH MEMORY ARE IN POSEDGE CLK, IN NEGEDGE - ONLY SCL AND SDA LATCH
// COUNTER = 0 - ADRESS RECEIVED, COUNTER >=1 - DATA TRANSMISSION
// RECEIVED BYTES MUST READ WHEN WR POSEDGE, ADRESS NOT READING ###AND BYTE COUNTER >=1 (BYTE COUNTER = 0 - ADRESS)
// BYTES TO TRANSMIT MUST WRITE WHEN WR POSEDGE, BYTE COUNTER CAN BE ZERO
// (FIRST BYTE TRANSMITTED AFTER ADRESS).
// LAST BYTE HAS NO WR ####BUT LAST BYTE NOT TRANSMITTED (DECAUSE MASTER STOPS TRANSMIT)
parameter I2C_ADRESS = 7'h34;
parameter MAX_I2C_TRANSACTION_EXP2 = 9; // !!! - FOR LIMIT BYTES TO TX/RX (WITH ADRESS)
reg SDA_IN, SDA_DIR, SDA_OUT;
initial begin
SDA_OUT = 0;
end
reg SCLD, SDAD;
reg SCL_LAST, SDA_LAST;
reg i2c_state_machine;
initial begin
SCL_LAST = 1; SDA_LAST = 1; i2c_state_machine = 0;
end
reg is_read;
reg [3:0] i2c_bit_counter;
//reg [7:0] received_byte;
reg [7:0] byte_to_transmit;
reg [(MAX_I2C_TRANSACTION_EXP2-1):0] byte_counter;
//reg is_for_me;
reg is_ack;
reg wr;//reg ack_master_ctrl;
// FILTER
reg SCLF, SDAF;
reg [3:0] scl_cnt, sda_cnt;
always@(negedge CLK) begin
SCLF = SCL;
SDAF = SDA_IN;
end
always@(posedge CLK) begin
if (scl_cnt != 0) begin
scl_cnt = scl_cnt - 1;
if (scl_cnt == 0) begin
if (SCLD != SCLF)
SCLD = SCLF;
end
end
else begin
if (SCLD != SCLF)
scl_cnt = 3'd7;
end
if (sda_cnt != 0) begin
sda_cnt = sda_cnt - 1;
if (sda_cnt == 0) begin
if (SDAD != SDAF)
SDAD = SDAF;
end
end
else begin
if (SDAD != SDAF)
sda_cnt = 3'd7;
end
// END OF FILTER
//SDA_IN = SDA; // FOR IVERILOG
if ((SDAD == 0) && (SDA_LAST == 1) && (SCLD == 1)) begin
i2c_state_machine = 1;
i2c_bit_counter = 4'd8;
byte_counter = 9'd0;
is_read = 0;
//is_for_me = 1; // RESETS TO ZERO WHEN ADRESS CHECKING
SDA_DIR = 0;
is_ack = 0;
//ack_master_ctrl = 1;
wr = 0;
end
if ((SDAD == 1) && (SDA_LAST == 0) && (SCLD == 1)) begin
i2c_state_machine = 0;
SDA_DIR = 0;
wr = 0;
end
if (i2c_state_machine/* && is_for_me*/) begin
if (!is_read) begin
if (i2c_bit_counter > 0) begin
if ((SCL_LAST == 0) && (SCLD == 1)) begin
RECEIVED_BYTE[i2c_bit_counter-1] = SDAD;
i2c_bit_counter = i2c_bit_counter - 1;
end
end
else begin
if ((SCL_LAST == 1) && (SCLD == 0) && (is_ack == 0)) begin
if (byte_counter == 0) begin
if (RECEIVED_BYTE[7:1] != I2C_ADRESS)
i2c_state_machine = 0; //is_for_me = 0;
is_read = RECEIVED_BYTE[0];
end
else begin
// EMIT SIGNAL OF BYTE RECEIVING
end
if (byte_counter != (2^MAX_I2C_TRANSACTION_EXP2 - 1))
byte_counter = byte_counter + 1;
SDA_DIR = i2c_state_machine; //is_for_me;
is_ack = i2c_state_machine; //1;
//if (is_read) begin
// i2c_bit_counter = 8;
//end
end
else if ((SCL_LAST == 0) && (SCLD == 1) && (is_ack == 1) && (byte_counter > 1))
wr = 1;
else if ((SCL_LAST == 1) && (SCLD == 0) && (is_ack == 1)) begin
is_ack = 0;
SDA_DIR = 0;
i2c_bit_counter = 4'd8;
wr = 0;
end
end
end
else begin // IS_READ
if (i2c_bit_counter > 0) begin
if ((SCL_LAST == 1) && (SCLD == 0)) begin
wr = 0;
SDA_DIR = (BYTE_TO_TRANSMIT[i2c_bit_counter-1] ^ 1) /*& is_for_me & ack_master_ctrl*/;
i2c_bit_counter = i2c_bit_counter - 1;
is_ack = 0;
end
end
else begin
if ((SCL_LAST == 1) && (SCLD == 0) && (is_ack == 0)) begin
SDA_DIR = 0;
is_ack = 1;
end
else if ((SCL_LAST == 0) && (SCLD == 1) && (is_ack == 1)) begin
i2c_bit_counter = 8;
i2c_state_machine = (SDAD ^ 1) | SDA_DIR; //ack_master_ctrl = SDAD+1; // MAYBE TRANSMIT BYTE REPEAT
wr = (SDAD ^ 1) | SDA_DIR;
if (byte_counter != (2^MAX_I2C_TRANSACTION_EXP2 - 1))
byte_counter = byte_counter + 1;
// EMIT SIGNAL OF BYTE TO TRANSMIT
end
end
end
end
SCL_LAST <= SCLD;
SDA_LAST <= SDAD;
//SDA_OUT = (SDA_DIR ^ 1) & SDA; // FOR IVERILOG
end
assign IS_TRANSMISSION = i2c_state_machine;
//assign SDA = SDA_DIR ? 1'b0 : 1'bz;
assign IS_ACK = is_ack;
assign IS_READ = is_read;
assign WR = wr;//assign ACK_MASTER_CTRL = ack_master_ctrl;
//assign RECEIVED_BYTE = received_byte;
//assign BYTE_TO_TRANSMIT = byte_to_transmit;
assign COUNTER = byte_counter;
SB_IO #(
.PIN_TYPE(6'b 1010_01),
.PULLUP(1'b 0)
) led_io (
.PACKAGE_PIN(SDA),
.OUTPUT_ENABLE(SDA_DIR),
.D_OUT_0(SDA_OUT),
.D_IN_0(SDA_IN)
);
endmodule

26
i2c_flash/inouts.pcf
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set_io LED1 99
set_io LED2 98
set_io LED3 97
set_io LED4 96
set_io LED5 95
#set_io SCLM 78 # J2, 1
#set_io SDAM 87 # J2, 7
set_io ACK 81 # J2, 4
#set_io SCLTGL01 80 # J2, 3
#set_io SDAOUTM 79 # J2, 2
#set_io SCLTGL 79 # J2, 8
set_io CLK 21
set_io SCL 90 # J2, 9
set_io SDA 91 # J2, 10
# GND - J2, 11
set_io COM_TX 8
set_io COM_RX 9
set_io COM_DCD 1
set_io COM_DSR 2
set_io COM_RTS 4 # IS CTS IN FT2232 SIDE
#set_io SDA_CTRL 88 # J2, 8

112
i2c_flash/top.v
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module top (input CLK, output LED1, LED2, LED3, LED4, LED5,
input SCL, inout SDA, output ACK,
input COM_RX, output COM_TX, COM_DCD, COM_DSR, COM_RTS);
reg [7:0] I2C_TX; // TRANSMITTED TO MASTER
initial begin
I2C_TX = 22;
end
wire [7:0] I2C_RX; // RECEIVED FROM MASTER
wire [7:0] RAM_RD;
wire I2C_TRANS, I2C_READ, I2C_ACK, I2C_ACK_MSTR_CTRL, I2C_WR;
wire [9:0] I2C_COUNTER;
i2c_slave I2C (CLK, SCL, SDA, I2C_TRANS, I2C_READ, I2C_ACK, I2C_WR, //I2C_ACK_MSTR_CTRL,
I2C_RX, I2C_TX, I2C_COUNTER);
reg UART_WR, UART_DTR, UART_RTS, UART_DCD;
reg [7:0] UART_TX_DATA;
wire UART_ACTIVE, UART_TX_LINE;
reg [23:0] uart_counter;
initial begin
UART_WR = 0;
UART_TX = 1;
UART_RTS = 1;
UART_DTR = 0;
UART_DCD = 0;
end
uart UART (CLK, UART_WR, UART_TX_DATA, UART_ACTIVE, UART_TX_LINE);
reg wr_old;
reg [7:0] ram_adress;
reg RAM_W;
initial begin
ram_adress = 0;
RAM_W = 0;
end
ram RAM (CLK, RAM_W, ram_adress, I2C_RX, RAM_RD);
always @ (posedge CLK) begin
if ((wr_old == 0) && (I2C_WR == 1) && I2C_READ) begin
//I2C_TX = I2C_TX + 5;
// READ
I2C_TX = RAM_RD; // READ FROM CURRENT ADRESS
//ram_adress <= ram_adress + 1; // AND INCREMENT ADRESS (ASSIGNED IN THE NEXT TACT)
UART_WR = 1;
UART_TX_DATA = I2C_TX;
end
else if ((wr_old == 0) && (I2C_WR == 1) && (I2C_READ == 0)) begin
// RAM MODULE WRITES TO RAM IN THE CURRENT ADRESS
if (I2C_COUNTER == 2)
ram_adress = I2C_RX;
else begin
RAM_W = 1;
//ram_adress <= ram_adress + 1; // ONLY INCREMENT ADRESS IN THE NEXT TACT
end
UART_WR = 1;
UART_TX_DATA = I2C_RX;
end
else if ((wr_old == 1) && (I2C_WR == 0)) begin
RAM_W = 0;
UART_WR = 0;
if ((I2C_COUNTER != 2) || (I2C_READ == 1))
ram_adress <= ram_adress + 1; // ONLY INCREMENT ADRESS IN THE NEXT TACT
end
wr_old = I2C_WR;
/*
uart_counter = uart_counter + 1;
if (uart_counter == 12000000) begin
uart_counter = 0;
UART_TX_DATA = UART_TX_DATA + 1;
UART_WR = 1;
UART_RTS = UART_RTS ^ 1;
if (UART_RTS)
UART_DTR = UART_DTR ^ 1;
if (UART_DTR == 1)
UART_DCD = UART_DCD ^ 1;
end
else if (uart_counter == 5)
UART_WR = 0;*/
end
assign I2C_W = I2C_WR & (I2C_READ ^ 1);
assign LED5 = I2C_TRANS;
//assign LED5 = COM_RX;
assign LED1 = ram_adress[0];//I2C_RX[0];
assign LED2 = ram_adress[1];
assign LED3 = ram_adress[2];
assign LED4 = ram_adress[3];
assign ACK = I2C_READ;//I2C_WR; //I2C_ACK;
assign COM_TX = UART_TX_LINE;//COM_RX;
//assign COM_RTS = I2C_READ;
assign COM_RTS = I2C_READ;//UART_RTS;
assign COM_DSR = I2C_TRANS | UART_ACTIVE;//UART_DTR;
//assign COM_DCD = UART_DCD;
/* reg [24:0] counter;
always @ (posedge CLK) begin
counter = counter + 1;
end
assign LED1 = ~counter[24] & ~counter[23];
assign LED2 = ~counter[24] & counter[23];
assign LED3 = counter[24] & ~counter[23];
assign LED4 = counter[24] & counter[23];
assign LED5 = counter[23];*/
endmodule //top

48
i2c_flash/uart.v
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module uart ( input CLK, input TX_SIGNAL, input [7:0] TX_BYTE,
output TX_ACTIVITY, output TX_LINE);
parameter CLK_DIV = 13;
reg TX_sig_last;
reg [3:0] tx_bit_counter;
reg [3:0] tx_clk_counter; // MUST CONTAIN CLK DIV
reg [7:0] tx_data;
reg tx_activity;
reg tx_line;
initial begin
TX_sig_last = 0;
tx_line = 1;
end
always @ (posedge CLK) begin
if (tx_activity) begin
tx_clk_counter = tx_clk_counter - 1;
if (tx_clk_counter == 0) begin
tx_clk_counter = CLK_DIV;
if (tx_bit_counter == 0)
tx_activity = 0;
else begin
tx_bit_counter = tx_bit_counter - 1;
if (tx_bit_counter > 0)
tx_line = tx_data[8-tx_bit_counter];
else
tx_line = 1; // STOP_BIT
end
end
end
else begin
if ((TX_SIGNAL == 1) && (TX_sig_last == 0)) begin
tx_data = TX_BYTE;
tx_activity = 1;
tx_bit_counter = 9; // NO PARITY, STOP 1 BIT
tx_clk_counter = CLK_DIV;
tx_line = 0; // START BIT
end
end
TX_sig_last = TX_SIGNAL;
end
assign TX_LINE = tx_line;
assign TX_ACTIVITY = tx_activity;
endmodule

BIN
i2c_keyboard/.sconsign.dblite
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9
i2c_keyboard/Makefile
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rot.bin: top.v inouts.pcf
yosys -q -p "synth_ice40 -blif i2c_kbd_alt.blif" top.v i2c_slave.v matrix_kbd.v ram.v simple_filter.v uart.v descriptors.v
arachne-pnr -p inouts.pcf i2c_kbd_alt.blif -o i2c_kbd_alt.txt
icebox_explain i2c_kbd_alt.txt > i2c_kbd_alt.ex
icepack i2c_kbd_alt.txt i2c_kbd_alt.bin
clean:
rm -f i2c_kbd_alt.blif i2c_kbd_alt.txt i2c_kbd_alt.ex i2c_kbd_alt.bin

0
i2c_flash/apio.ini → i2c_keyboard/apio.ini
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150
i2c_keyboard/descriptors.v
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module descriptors (input CLK, input RESET, input RD_REQUEST, input [1:0] DESC_TYPE, input [7:0] ADR, output reg [7:0] VAL/*, input [63:0] kbd_report*/);
parameter HID_REPORT_DESC_LEN = 63;
//reg [(8*30-1):0] i2c_hid_desc;// = 'h_1E_00__00_01__46_00__02_00__03_00__0A_00__04_00__03_00__05_00__06_00__9F_04__01_01__00_01__00_00_00_00;
//reg [(8*HID_REPORT_DESC_LEN-1):0] hid_report_desc;
parameter READ_ADRESS_OFFSET = 2;
reg last_rd_request = 0;
always @ (posedge CLK) begin
if (RESET == 0) begin
//i2c_hid_desc <= 'h_1E_00__00_01__50_00__02_00__03_00__0A_00__04_00__03_00__05_00__06_00__9F_04__01_01__00_01__00_00_00_00;
//hid_report_desc <= 'h__05_01__09_06__A1_01__05_07__85_01___19_E0__29_E7__15_00__25_01__75_01__95_08__81_02___95_01__75_08__81_01___95_05__75_01__05_05__85_01__19_01__29_05__91_02___95_01__75_03__91_03___95_06__75_08__15_00__25_65__05_07__19_00__29_65__81_00__C0;
//i2c_hid_desc [207:200] <= HID_REPORT_DESC_LEN[7:0];
//i2c_hid_desc [199:192] <= HID_REPORT_DESC_LEN[15:8];
last_rd_request <= 0;
end
else begin
if ((last_rd_request == 0) && (RD_REQUEST == 1)) begin
if (DESC_TYPE == 1) begin
case (ADR) 2: VAL <= 8'h1E; 3: VAL <= 0; // 2-3 - DESCR LEN (30),
4: VAL <= 0; 5: VAL <= 1; // 4-5 - bcdVersion
6: VAL <= HID_REPORT_DESC_LEN[7:0]; 7: VAL <= HID_REPORT_DESC_LEN[15:8];
8: VAL <= 2; 9: VAL <= 0; // 8-9 - REPORT DESC ADR
10: VAL <= 3; 11: VAL <= 0; // 10-11 - INPUT REG ADR
12: VAL <= 10; 13: VAL <= 0; // 12-13 - INPUT REG LEN
14: VAL <= 4; 15: VAL <= 0; // 14-15 - OUT REG ADR
16: VAL <= 3; 17: VAL <= 0; // 16-17 - OUT REG LEN
18: VAL <= 5; 19: VAL <= 0; // 18-19 - CMD REG ADR
20: VAL <= 6; 21: VAL <= 0; // 20-21 - DATA REG ADR
22: VAL <= 8'h9F; 23: VAL <= 4; // 22-23 - VENDOR ID
24: VAL <= 1; 25: VAL <= 1; // 24-25 - DEVICE ID
26: VAL <= 0; 27: VAL <= 1; // 26-27 - VERSION
28: VAL <= 0; 29: VAL <= 0; 30: VAL <= 0; 31: VAL <= 0; // 28-31 - RSVD
default: VAL <= 0;
endcase
end
else if (DESC_TYPE == 2) begin
case (ADR) 2: VAL <= 8'h05; 3: VAL <= 8'h01;
4: VAL <= 8'h09; 5: VAL <= 8'h06;
6: VAL <= 8'hA1; 7: VAL <= 8'h01;
8: VAL <= 8'h05; 9: VAL <= 8'h07;
//10: VAL <= 8'h85; 11: VAL <= 8'h01;
// MODIFIERS DESC
10: VAL <= 8'h19; 11: VAL <= 8'hE0;
12: VAL <= 8'h29; 13: VAL <= 8'hE7;
14: VAL <= 8'h15; 15: VAL <= 8'h00;
16: VAL <= 8'h25; 17: VAL <= 8'h01;
18: VAL <= 8'h75; 19: VAL <= 8'h01;
20: VAL <= 8'h95; 21: VAL <= 8'h08;
22: VAL <= 8'h81; 23: VAL <= 8'h02;
// RESERVED BYTE
24: VAL <= 8'h95; 25: VAL <= 8'h01;
26: VAL <= 8'h75; 27: VAL <= 8'h08;
28: VAL <= 8'h81; 29: VAL <= 8'h01;
// LEDS
30: VAL <= 8'h95; 31: VAL <= 8'h05;
32: VAL <= 8'h75; 33: VAL <= 8'h01;
34: VAL <= 8'h05; 35: VAL <= 8'h08;
36: VAL <= 8'h19; 37: VAL <= 8'h01;
38: VAL <= 8'h29; 39: VAL <= 8'h05;
40: VAL <= 8'h91; 41: VAL <= 8'h02;
// RESERVED 3 BITS
42: VAL <= 8'h95; 43: VAL <= 8'h01;
44: VAL <= 8'h75; 45: VAL <= 8'h03;
46: VAL <= 8'h91; 47: VAL <= 8'h03;
// SIX KEYS (NON-MODIFIERS)
48: VAL <= 8'h95; 49: VAL <= 8'h06;
50: VAL <= 8'h75; 51: VAL <= 8'h08;
52: VAL <= 8'h15; 53: VAL <= 8'h00;
54: VAL <= 8'h25; 55: VAL <= 8'h65;
56: VAL <= 8'h05; 57: VAL <= 8'h07;
58: VAL <= 8'h19; 59: VAL <= 8'h00;
60: VAL <= 8'h29; 61: VAL <= 8'h65;
62: VAL <= 8'h81; 63: VAL <= 8'h00;
// END COLLECTION
64: VAL <= 8'hC0;
default: VAL <= 0;
endcase
end
/*if (READ_TYPE == 1) begin
if ((READ_ADRESS < READ_ADRESS_OFFSET) || (READ_ADRESS > (READ_ADRESS_OFFSET + 30 - 1)))
VAL <= 0;
else
VAL <= i2c_hid_desc[ (8 * (30 - READ_ADRESS + READ_ADRESS_OFFSET - 1) + 7) : (8 * (30 - READ_ADRESS + READ_ADRESS_OFFSET - 1) + 0) ];
end*/
/*else if (READ_TYPE == 2) begin
if ((READ_ADRESS < READ_ADRESS_OFFSET) || (READ_ADRESS > (READ_ADRESS_OFFSET + HID_REPORT_DESC_LEN - 1)))
VAL <= 0;
else
VAL <= hid_report_desc[ (8 * (HID_REPORT_DESC_LEN - READ_ADRESS + READ_ADRESS_OFFSET - 1) + 7) : (8 * (HID_REPORT_DESC_LEN - READ_ADRESS + READ_ADRESS_OFFSET - 1) + 0) ];
end*/
/*else if (READ_TYPE == 3) begin
if ((READ_ADRESS < READ_ADRESS_OFFSET) || (READ_ADRESS > (READ_ADRESS_OFFSET + 10 - 1)))
VAL <= 0;
else if (READ_ADRESS == READ_ADRESS_OFFSET)
VAL <= 10;
else if (READ_ADRESS == (READ_ADRESS_OFFSET + 1))
VAL <= 0;
else
VAL <= kbd_report[ (8 * (10 - READ_ADRESS + READ_ADRESS_OFFSET - 1) + 7) : (8 * (10 - READ_ADRESS + READ_ADRESS_OFFSET - 1) + 0) ];
end*/
end
last_rd_request <= RD_REQUEST;
end
end
endmodule
//static const uint8 hid_descriptor_keyboard[] = {
//****/ 0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */ 2
//****/ 0x09, 0x06, /* USAGE (Keyboard) */ 4
//****/ 0xa1, 0x01, /* COLLECTION (Application) */ 6
//******/ 0x05, 0x07, /* USAGE_PAGE (Keyboard) */ 8
//******/ 0x85, 0x01, /* REPORT_ID (1) */ 10
/* Ctrl, Shift and other modifier keys, 8 in total */
//******/ 0x19, 0xe0, /* USAGE_MINIMUM (kbd LeftControl) */ 12
//******/ 0x29, 0xe7, /* USAGE_MAXIMUM (kbd Right GUI) */ 14
//******/ 0x15, 0x00, /* LOGICAL_MINIMUM (0) */ 16
//******/ 0x25, 0x01, /* LOGICAL_MAXIMUM (1) */ 18
//******/ 0x75, 0x01, /* REPORT_SIZE (1) */ 20
//******/ 0x95, 0x08, /* REPORT_COUNT (8) */ 22
//******/ 0x81, 0x02, /* INPUT (Data,Var,Abs) */ 24
/* Reserved byte */
//******/ 0x95, 0x01, /* REPORT_COUNT (1) */ 26
//******/ 0x75, 0x08, /* REPORT_SIZE (8) */ 28
//******/ 0x81, 0x01, /* INPUT (Cnst,Ary,Abs) */ 30
/* LEDs for num lock etc */
//******/ 0x95, 0x05, /* REPORT_COUNT (5) */ 32
//******/ 0x75, 0x01, /* REPORT_SIZE (1) */ 34
//******/ 0x05, 0x08, /* USAGE_PAGE (LEDs) */ 36
//******/ 0x85, 0x01, /* REPORT_ID (1) */ 38
//******/ 0x19, 0x01, /* USAGE_MINIMUM (Num Lock) */ 40
//******/ 0x29, 0x05, /* USAGE_MAXIMUM (Kana) */ 42
//******/ 0x91, 0x02, /* OUTPUT (Data,Var,Abs) */ 44
/* Reserved 3 bits */
//******/ 0x95, 0x01, /* REPORT_COUNT (1) */ 46
//******/ 0x75, 0x03, /* REPORT_SIZE (3) */ 48
//******/ 0x91, 0x03, /* OUTPUT (Cnst,Var,Abs) */ 50
/* Slots for 6 keys that can be pressed down at the same time */
//******/ 0x95, 0x06, /* REPORT_COUNT (6) */ 52
//******/ 0x75, 0x08, /* REPORT_SIZE (8) */ 54
//******/ 0x15, 0x00, /* LOGICAL_MINIMUM (0) */ 56
//******/ 0x25, 0x65, /* LOGICAL_MAXIMUM (101) */Bluegiga Technologies Oy 58
//******/ 0x05, 0x07, /* USAGE_PAGE (Keyboard) */ 60
//******/ 0x19, 0x00, /* USAGE_MINIMUM (Reserved (no event indicated)) */ 62
//******/ 0x29, 0x65, /* USAGE_MAXIMUM (Keyboard Application) */ 64
//******/ 0x81, 0x00, /* INPUT (Data,Ary,Abs) */ 66
//****/ 0xc0 } 67

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i2c_keyboard/i2c_slave.v
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module i2c_slave (input CLK, input RESET,
input SCL, inout SDA,
output IS_TRANSMISSION, output IS_READ, output IS_ACK, output WR, //output ACK_MASTER_CTRL,
output [7:0] RECEIVED_BYTE, input [7:0] BYTE_TO_TRANSMIT,
output [(MAX_I2C_TRANSACTION_EXP2-1):0] COUNTER);
// ALL OPERATIONS WITH MEMORY ARE IN POSEDGE CLK, IN NEGEDGE - ONLY SCL AND SDA LATCH
// COUNTER = 0 - ADRESS RECEIVED, COUNTER >=1 - DATA TRANSMISSION
// RECEIVED BYTES MUST READ WHEN WR POSEDGE, ADRESS NOT READING ###AND BYTE COUNTER >=1 (BYTE COUNTER = 0 - ADRESS)
// BYTES TO TRANSMIT MUST WRITE WHEN WR POSEDGE, BYTE COUNTER CAN BE ZERO
// (FIRST BYTE TRANSMITTED AFTER ADRESS).
// LAST BYTE HAS NO WR ####BUT LAST BYTE NOT TRANSMITTED (DECAUSE MASTER STOPS TRANSMIT)
parameter I2C_ADRESS = 7'h34;
parameter MAX_I2C_TRANSACTION_EXP2 = 8; // !!! - FOR LIMIT BYTES TO TX/RX (WITH ADRESS)
reg SDA_IN, SDA_DIR, SDA_OUT;
initial begin
SDA_OUT = 0;
end
/*reg*/wire SCLD, SDAD;
reg SCL_LAST, SDA_LAST;
reg i2c_state_machine;
reg i2c_start_latency; // GETS LATENCY (ONE CLK) TO IS_TRANSMISSION WIRE
// NEEDS WHEN START REPEAT OCCURS
// WITHOUT THIS THERE ARE NO SIGNALS TO CALL ABOUT END OF PACKET BEFORE START REPEAT
initial begin
SCL_LAST = 1; SDA_LAST = 1; i2c_state_machine = 0;
end
reg is_read;
reg [3:0] i2c_bit_counter;
reg [7:0] received_byte;
reg [7:0] byte_to_transmit;
reg [(MAX_I2C_TRANSACTION_EXP2-1):0] byte_counter;
//reg is_for_me;
reg is_ack;
reg wr;//reg ack_master_ctrl;
// FILTER
reg SCLF, SDAF;
reg [3:0] scl_cnt, sda_cnt;
simple_filter FLT_SCL (CLK, RESET, SCLF, SCLD);
simple_filter FLT_SDA (CLK, RESET, SDAF, SDAD);
always@(negedge CLK) begin
SCLF <= SCL;
SDAF <= SDA_IN;
end
always@(posedge CLK or negedge RESET) begin
if (RESET == 0)
i2c_state_machine <= 0;
else begin
/* if (scl_cnt != 0) begin
scl_cnt = scl_cnt - 1;
if (scl_cnt == 0) begin
if (SCLD != SCLF)
SCLD = SCLF;
end
end
else begin
if (SCLD != SCLF)
scl_cnt = 3'd7;
end
if (sda_cnt != 0) begin
sda_cnt = sda_cnt - 1;
if (sda_cnt == 0) begin
if (SDAD != SDAF)
SDAD = SDAF;
end
end
else begin
if (SDAD != SDAF)
sda_cnt = 3'd7;
end*/
// END OF FILTER
//SDA_IN = SDA; // FOR IVERILOG
if ((SDAD == 0) && (SDA_LAST == 1) && (SCLD == 1)) begin
i2c_state_machine = 1;
i2c_start_latency = 0;
i2c_bit_counter = 4'd8;
byte_counter = 9'd0;
//is_for_me = 1; // RESETS TO ZERO WHEN ADRESS CHECKING
SDA_DIR = 0;
is_ack = 0;
//ack_master_ctrl = 1;
wr = 0;
end
else if ((i2c_state_machine == 1) && (i2c_start_latency == 0)) begin
i2c_start_latency = 1;
is_read = 0;
end
if ((SDAD == 1) && (SDA_LAST == 0) && (SCLD == 1)) begin
i2c_state_machine = 0;
SDA_DIR = 0;
wr = 0;
end
if (i2c_state_machine/* && is_for_me*/) begin
if (!is_read) begin
if (i2c_bit_counter > 0) begin
if ((SCL_LAST == 0) && (SCLD == 1)) begin
received_byte[i2c_bit_counter-1] = SDAD;
i2c_bit_counter = i2c_bit_counter - 1;
end
end
else begin
if ((SCL_LAST == 1) && (SCLD == 0) && (is_ack == 0)) begin
if (byte_counter == 0) begin
if (received_byte[7:1] != I2C_ADRESS)
i2c_state_machine = 0; //is_for_me = 0;
is_read = received_byte[0];
end
else begin
// EMIT SIGNAL OF BYTE RECEIVING
end
if (byte_counter != ((1<<MAX_I2C_TRANSACTION_EXP2) - 1))
byte_counter = byte_counter + 1;
SDA_DIR = i2c_state_machine; //is_for_me;
is_ack = i2c_state_machine; //1;
//if (is_read) begin
// i2c_bit_counter = 8;
//end
end
else if ((SCL_LAST == 0) && (SCLD == 1) && (is_ack == 1) && (byte_counter > 1))
wr = 1;
else if ((SCL_LAST == 1) && (SCLD == 0) && (is_ack == 1)) begin
is_ack = 0;
SDA_DIR = 0;
i2c_bit_counter = 4'd8;
wr = 0;
end
end
end
else begin // IS_READ
if (i2c_bit_counter > 0) begin
if ((SCL_LAST == 1) && (SCLD == 0)) begin
wr = 0;
SDA_DIR = (BYTE_TO_TRANSMIT[i2c_bit_counter-1] ^ 1) /*& is_for_me & ack_master_ctrl*/;
i2c_bit_counter = i2c_bit_counter - 1;
is_ack = 0;
end
end
else begin
if ((SCL_LAST == 1) && (SCLD == 0) && (is_ack == 0)) begin
SDA_DIR = 0;
is_ack = 1;
end
else if ((SCL_LAST == 0) && (SCLD == 1) && (is_ack == 1)) begin
i2c_bit_counter = 8;
i2c_state_machine = (SDAD ^ 1) | SDA_DIR; //ack_master_ctrl = SDAD+1; // MAYBE TRANSMIT BYTE REPEAT
wr = (SDAD ^ 1) | SDA_DIR;
if (byte_counter != ((1<<MAX_I2C_TRANSACTION_EXP2) - 1))
byte_counter = byte_counter + 1;
// EMIT SIGNAL OF BYTE TO TRANSMIT
end
end
end
end
SCL_LAST <= SCLD;
SDA_LAST <= SDAD;
//SDA_OUT = (SDA_DIR ^ 1) & SDA; // FOR IVERILOG
end
end
assign IS_TRANSMISSION = i2c_state_machine & i2c_start_latency;
//assign SDA = SDA_DIR ? 1'b0 : 1'bz;
assign IS_ACK = is_ack;
assign IS_READ = is_read;
assign WR = wr;//assign ACK_MASTER_CTRL = ack_master_ctrl;
assign RECEIVED_BYTE = received_byte;
//assign BYTE_TO_TRANSMIT = byte_to_transmit;
assign COUNTER = byte_counter;
SB_IO #(
.PIN_TYPE(6'b 1010_01),
.PULLUP(1'b 0)
) i2c_io (
.PACKAGE_PIN(SDA),
.OUTPUT_ENABLE(SDA_DIR),
.D_OUT_0(SDA_OUT),
.D_IN_0(SDA_IN)
);
endmodule

38
i2c_keyboard/inouts.pcf
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set_io LED1 99
set_io LED2 98
set_io LED3 97
set_io LED4 96
set_io LED5 95
#set_io SCLM 78 # J2, 1
#set_io SDAM 87 # J2, 7
#set_io ACK 81 # J2, 4
#set_io SCLTGL01 80 # J2, 3
#set_io SDAOUTM 79 # J2, 2
#set_io SCLTGL 79 # J2, 8
set_io CLK 21
set_io SCL 90 # J2, 9
set_io SDA 91 # J2, 10
set_io INTERRUPT 88 # J2, 8
# GND - J2, 11
#set_io INT 95
set_io KBD_COLUMNS[0] 78 #J2-1 or PIO1-02
set_io KBD_COLUMNS[1] 79 #J2-2 or PIO1-03
set_io KBD_COLUMNS[2] 80 #J2-3 or PIO1-04
set_io KBD_COLUMNS[3] 81 #J2-4 or PIO1-05
set_io KBD_ROWS[0] 119 #J1-10 or PIO0-09
set_io KBD_ROWS[1] 118 #J1-9 or PIO0-08
set_io KBD_ROWS[2] 117 #J1-8 or PIO0-07
set_io KBD_ROWS[3] 116 #J1-7 or PIO0-06
set_io COM_TX 8
set_io COM_RX 9
set_io COM_DCD 1
set_io COM_DSR 2
set_io COM_RTS 4 # IS CTS IN FT2232 SIDE
#set_io SDA_CTRL 88 # J2, 8

189
i2c_keyboard/matrix_kbd.v
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module matrix_kbd (input CLK, input RESET, input FREEZE, inout [3:0] ROWS, input [3:0] COLUMNS, output [63:0] kbd_report, output INT);
// * - ESC (29), 7 - F1 (3A), 4 - F2 (3B), 1 - NUM_LOCK (53)
// 0 - CAPS LOCK (39), 8 - R (15), 5 - BACKSPACE (2A), 2 - ENTER (58)
// # - LSHIFT (E1), 9 - C (06), 6 - V (19), 3 - DELETE (4C)
// D - LCTRL (E0), C - LALT (E2), B - SPACE (2C), A - RGUI (E7)
parameter ONE_ROW_TIME = 12000;
reg [15:0] row_time = 0;
reg [1:0] row_counter;
reg [15:0] last_data;
reg [7:0] i;
reg [63:0] report;
reg [5:0] report_free_place;
reg isr;
reg [3:0] ROWS_EN = 0;
reg [3:0] ROWS_OUT = 0;
wire [3:0] ROWS_IN;
reg [3:0] COLS_SHADOW;
reg [7:0] kbd_code;
reg is_pressed;
always @ (negedge CLK) begin
COLS_SHADOW <= COLUMNS;
end
always @ (posedge CLK) begin
if (RESET == 0) begin
last_data <= 16'hFFFF;
report_free_place <= 6'h3F;
report <= 63'h_00_00_00_00_00_00_00_00;
end
else begin
if (FREEZE == 0) begin
if (row_time == ONE_ROW_TIME) begin
row_time <= 0;
row_counter = row_counter + 1;
ROWS_EN = 1 << row_counter;
end
else
row_time <= row_time + 1;
// ROW 0 - D, 1 - A, 2 - C, 3 - B
if (row_time == (ONE_ROW_TIME/2 + 0)) begin
if (COLS_SHADOW[0] != last_data[row_counter*4 + 0]) begin
case (row_counter) 0: kbd_code = 8'h29; 1: kbd_code = 8'h53; 2: kbd_code = 8'h3A; 3: kbd_code = 8'h3B; // ESC, F1-F2, NUM LOCK
default: kbd_code = 1;
endcase
if ((COLS_SHADOW[0] == 0) && (last_data[row_counter*4 + 0] == 1)) is_pressed = 1;
else is_pressed = 0;
end
else kbd_code = 0;
last_data[row_counter*4 + 0] <= COLS_SHADOW[0];
end
else if (row_time == (ONE_ROW_TIME/2 + 4)) begin
if (COLS_SHADOW[2] != last_data[row_counter*4 + 2]) begin
case (row_counter) 0: kbd_code = 8'h39; 1: kbd_code = 8'h58; 2: kbd_code = 8'h15; 3: kbd_code = 8'h2A; // CAPS LOCK, R, BACKSPACE, ENTER
default: kbd_code = 1;
endcase
if ((COLS_SHADOW[2] == 0) && (last_data[row_counter*4 + 2] == 1)) is_pressed = 1;
else is_pressed = 0;
end
else kbd_code = 0;
last_data[row_counter*4 + 2] <= COLS_SHADOW[2];
end
else if (row_time == (ONE_ROW_TIME/2 + 2)) begin
if (COLS_SHADOW[1] != last_data[row_counter*4 + 1]) begin
case (row_counter) 0: kbd_code = 8'hE1; 1: kbd_code = 8'h4C; 2: kbd_code = 8'h06; 3: kbd_code = 8'h19; // LEFT SHIFT, C, V, DELETE
default: kbd_code = 1;
endcase
if ((COLS_SHADOW[1] == 0) && (last_data[row_counter*4 + 1] == 1)) is_pressed = 1;
else is_pressed = 0;
end
else kbd_code = 0;
last_data[row_counter*4 + 1] <= COLS_SHADOW[1];
end
else if (row_time == (ONE_ROW_TIME/2 + 6)) begin
if (COLS_SHADOW[3] != last_data[row_counter*4 + 3]) begin
case (row_counter) 0: kbd_code = 8'hE0; 1: kbd_code = 8'hE7; 2: kbd_code = 8'hE2; 3: kbd_code = 8'h2C; // LCTRL, LALT, SPACE, RGUI
default: kbd_code = 1;
endcase
if ((COLS_SHADOW[3] == 0) && (last_data[row_counter*4 + 3] == 1)) is_pressed = 1;
else is_pressed = 0;
end
else kbd_code = 0;
last_data[row_counter*4 + 3] <= COLS_SHADOW[3];
end
else
kbd_code = 0;
// START PACK I2C_HID REPORT
if (kbd_code != 0) begin
isr = 1;
report[15:8] <= 0;
//report[63:56] <= 0;
if ((kbd_code > 8'hDF) && (kbd_code < 8'hE8)) begin
kbd_code = kbd_code & 8'h07;
if (is_pressed)
report [7:0] <= report [7:0] | (1<<kbd_code);
else
report [7:0] <= report [7:0] & (~(1<<kbd_code));
end
else begin
if (is_pressed) begin
/*for (i = 0; i < 4; i = i + 1) begin
if (report_free_place[i] == 1) begin
report [ ((i + 2) * 8 + 7) : ((i + 2) * 8 + 0)] <= kbd_code;
report_free_place[i] = 0;
is_pressed = 0; // NO ERROR DETECTED
end
end
if (report_free_place[0] == 1) begin
report [ ((0 + 2) * 8 + 7) : ((0 + 2) * 8 + 0)] <= kbd_code;
report_free_place[0] = 0;
end*/
if (report [ 23 : 16 ] == 0)
report [ 23 : 16 ] <= kbd_code;
else if (report [ 31 : 24 ] == 0)
report [ 31 : 24 ] <= kbd_code;
else if (report [ 39 : 32 ] == 0)
report [ 39 : 32 ] <= kbd_code;
else if (report [ 47 : 40 ] == 0)
report [ 47 : 40 ] <= kbd_code;
else if (report [ 55 : 48 ] == 0)
report [ 55 : 48 ] <= kbd_code;
else if (report [ 63 : 56 ] == 0)
report [ 63 : 56 ] <= kbd_code;
end
else begin
for (i = 0; i < 6; i = i + 1) begin
if (report [ ((i + 2) * 8 + 7) : ((i + 2) * 8 + 0)] == kbd_code) begin
report [ ((i + 2) * 8 + 7) : ((i + 2) * 8 + 0)] <= 0;
//report_free_place[i] = 1;
end
end
end
//if (kbd_code == 8'h2C) begin
//if (is_pressed)
// report [15:8] <= kbd_code;
//else
// report [15:8] <= 0;
//end
//else if (kbd_code == 1) begin
// if (is_pressed)
// report [23:16] <= kbd_code;
// else
// report [23:16] <= 0;
//end
end
end // END OF KBD CODE SEND ALG
else
isr <= 0;
/*if (kbd_code != 0) begin
if (is_pressed)
report [7:0] <= kbd_code;
else
report [7:0] <= 0;
end*/
end
end
end
assign kbd_report = report;
assign INT = isr;
//assign ROWS_EN = (1 << row_counter);
SB_IO #(
.PIN_TYPE(6'b 1010_01),
.PULLUP(1'b 0)
) rows_io [3:0] (
.PACKAGE_PIN(ROWS),
.OUTPUT_ENABLE(ROWS_EN),
.D_OUT_0(ROWS_OUT),
.D_IN_0(ROWS_IN)
);
endmodule

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i2c_flash/ram.v → i2c_keyboard/ram.v
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i2c_keyboard/simple_filter.v
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module simple_filter (input CLK, input RESET, input IN, output OUT);
reg out;
parameter FLT_CONST = 3'd7; // IF MODIFY THIS PLEASE MODIFY COUNTER!
reg [2:0] counter;
always@(posedge CLK or negedge RESET) begin
if (RESET == 0) begin
counter = 0;
out = 1;
end
else begin
if (counter != 0) begin
counter = counter - 1;
if (counter == 0) begin
if (out != IN)
out = IN;
end
end
else begin
if (out != IN)
counter = FLT_CONST;
end
end
end
assign OUT = out;
endmodule

186
i2c_keyboard/top.v
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module top (input CLK, output LED1, LED2, LED3, LED4, LED5,
input SCL, inout SDA, /*output ACK,*/ output INTERRUPT,
input COM_RX, output COM_TX, COM_DCD, COM_DSR, COM_RTS,
input [3:0] KBD_COLUMNS, inout [3:0] KBD_ROWS);
//reg [7:0] I2C_TX; // TRANSMITTED TO MASTER
wire [7:0] I2C_TX;
reg [7:0] I2C_TX_DESC;
reg [7:0] I2C_TX_REPORT;
assign I2C_TX = (I2C_TX_DESC & I2C_OUT_DESC_MASK) | (I2C_TX_REPORT & (~I2C_OUT_DESC_MASK));
wire [7:0] I2C_RX; // RECEIVED FROM MASTER
wire I2C_TRANS, I2C_READ, I2C_ACK, I2C_ACK_MSTR_CTRL, I2C_WR;
wire [9:0] I2C_COUNTER;
i2c_slave I2C (CLK, RESET, SCL, SDA, I2C_TRANS, I2C_READ, I2C_ACK, I2C_WR, //I2C_ACK_MSTR_CTRL,
I2C_RX, I2C_TX, I2C_COUNTER);
reg UART_WR, UART_DTR, UART_RTS, UART_DCD;
reg [7:0] UART_TX_DATA;
wire UART_ACTIVE, UART_TX_LINE;
initial begin
UART_WR = 0; UART_RTS = 1; UART_DTR = 0; UART_DCD = 0;
end
uart UART (CLK, RESET, UART_WR, UART_TX_DATA, UART_ACTIVE, UART_TX_LINE);
wire [63:0] kbd_report;
wire ISR;
reg INT = 1; // INTERRUPT LINE TO HOST
reg KBD_FREEZE = 1; // LOGIC REG FOR BLOCK KBD ACTIVITY WHEN I2C IS WORKING
reg IS_EMPTY_REPORT = 0; // REGISTER FOR CORRECT START (HOST MUST REQUEST EMPTY REGISTER AFTER INTERRUPT. THEN INTERRRUPT SET TO 1)
matrix_kbd KEYBOARD (CLK, RESET, KBD_FREEZE, KBD_ROWS, KBD_COLUMNS, kbd_report, ISR);
descriptors I2C_HID_DESC (CLK, RESET, I2C_WR, I2C_OUTPUT_TYPE[1:0], I2C_COUNTER, I2C_TX_DESC/*, kbd_report*/);
parameter MAX_INPUT_LEN = 10;
reg [7:0] I2C_INPUT_DATA [MAX_INPUT_LEN:0];
reg [7:0] I2C_INPUT_LEN = 0;
reg [2:0] I2C_OUTPUT_TYPE = 0; // 0 - ALL ZERO DATA, 1 - I2C HID DESCR, 2 - OUTPUT REPORT, 3 - HID REPORT DESCR
reg [7:0] I2C_OUT_DESC_MASK = 0;
reg [7:0] KBD_LED_STATUS = 0;
reg last_wr = 0, last_trans = 0, last_uart_active = 0, last_isr = 0, uart_double_ff = 0;
wire RESET;
reg [3:0] rststate = 0;
assign RESET = &rststate;
always @(posedge CLK) begin
rststate <= rststate + !RESET;
if (RESET == 0) begin
I2C_OUTPUT_TYPE = 0;
I2C_OUT_DESC_MASK = 0;
KBD_LED_STATUS = 0; // BIT 0 - NUM LOCK, BIT 1 - CAPS LOCK, BIT 2 - SCROOL LOCK
I2C_INPUT_LEN = 0;
INT = 0;
UART_WR = 0;
KBD_FREEZE = 1;
IS_EMPTY_REPORT = 0;
end
else begin
if ((last_wr == 0) && (I2C_WR == 1)) begin
I2C_INPUT_LEN <= I2C_COUNTER - 1;
if (I2C_READ == 0) begin
if (I2C_COUNTER < (MAX_INPUT_LEN + 2))
I2C_INPUT_DATA[I2C_COUNTER - 2] <= I2C_RX;
end
else begin
if (I2C_OUTPUT_TYPE == 3) begin
if ((I2C_COUNTER < 2) || (I2C_COUNTER > (2 + 10 - 1)))
I2C_TX_REPORT <= 0;
else if (I2C_COUNTER == 2)
I2C_TX_REPORT <= 10;
else if (I2C_COUNTER == 3)
I2C_TX_REPORT <= 0;
else
I2C_TX_REPORT <= kbd_report[ (8 * (I2C_COUNTER - 4) + 7) : (8 * (I2C_COUNTER - 4) + 0) ];
end
else
I2C_TX_REPORT <= 0;
end
end
else if ((last_wr == 1) && (I2C_WR == 0)) begin
UART_WR <= 1;
if (I2C_READ == 0)
UART_TX_DATA <= I2C_RX;
else
UART_TX_DATA <= I2C_TX;
end
else if ((last_trans == 0) && (I2C_TRANS == 1)) begin
UART_TX_DATA = 8'hFF;
UART_WR = 1;
uart_double_ff = 1;
KBD_FREEZE = 0;
end
else if ((last_trans == 1) && (I2C_TRANS == 0)) begin
if (I2C_READ == 0) begin // DECODING PACKET RECEIVED FROM HOST
if (I2C_INPUT_LEN == 0)
KBD_FREEZE <= 0;
else if (I2C_INPUT_LEN == 2) begin
if ((I2C_INPUT_DATA[0] == 1) && (I2C_INPUT_DATA[1] == 0)) // I2C_HID_DESC_REQUEST
I2C_OUTPUT_TYPE = 1;
else if ((I2C_INPUT_DATA[0] == 2) && (I2C_INPUT_DATA[1] == 0)) // HID REPORT DESC REQUEST
I2C_OUTPUT_TYPE = 2;
else if ((I2C_INPUT_DATA[0] == 3) && (I2C_INPUT_DATA[1] == 0)) // INPUT REPORT REQUEST (ADR)
I2C_OUTPUT_TYPE = 3;
//else
// I2C_OUTPUT_TYPE = 0; //
end
else if (I2C_INPUT_LEN == 5) begin // OUTPUT REPORT SET (LEDS) - WRITE TO OUT ADR
if ((I2C_INPUT_DATA[0] == 4) && (I2C_INPUT_DATA[1] == 0) && (I2C_INPUT_DATA[2] == 1) && (I2C_INPUT_DATA[3] == 0)) begin
KBD_LED_STATUS <= I2C_INPUT_DATA[4];
KBD_FREEZE <= 0;
end
//else
// I2C_OUTPUT_TYPE = 0; //
end
else if (I2C_INPUT_LEN == 6) begin // INPUT REPORT REQUEST (KBD PRESS INFO)
if ((I2C_INPUT_DATA[0] == 5) && (I2C_INPUT_DATA[1] == 0) && (I2C_INPUT_DATA[2] == 16) && (I2C_INPUT_DATA[3] == 2) && (I2C_INPUT_DATA[4] == 6) && (I2C_INPUT_DATA[5] == 0))
I2C_OUTPUT_TYPE = 3;
//else
// I2C_OUTPUT_TYPE = 0; //
end
else if (I2C_INPUT_LEN == 9) begin // OUTPUT REPORT SET (LEDS) - WRITE BY CMD
if ((I2C_INPUT_DATA[0] == 5) && (I2C_INPUT_DATA[1] == 0) && (I2C_INPUT_DATA[2] == 32) && (I2C_INPUT_DATA[3] == 3) && (I2C_INPUT_DATA[4] == 6) && (I2C_INPUT_DATA[5] == 0) /*&& (I2C_INPUT_DATA[6] == 1) && (I2C_INPUT_DATA[7] == 0)*/) begin
KBD_LED_STATUS <= I2C_INPUT_DATA[8];
KBD_FREEZE <= 0;
end
//else
// I2C_OUTPUT_TYPE = 0; //
end
else if (I2C_INPUT_LEN == 4) begin
if ((I2C_INPUT_DATA[0] == 5) && (I2C_INPUT_DATA[1] == 0) && (I2C_INPUT_DATA[2] == 0) && (I2C_INPUT_DATA[3] == 1))
rststate <= 4'h0; // RESET COMMAND
end
//else
// I2C_OUTPUT_TYPE = 0; //
if ((I2C_OUTPUT_TYPE == 1) || (I2C_OUTPUT_TYPE == 2))
I2C_OUT_DESC_MASK = 8'hFF;
else
I2C_OUT_DESC_MASK = 8'h00;
end // END OF I2C_READ == 0
else begin
KBD_FREEZE <= 0; // UNFREEZING KBD AFTER ANYONE I2C RECEIVING
//if (((I2C_OUTPUT_TYPE == 3) && (I2C_INPUT_LEN == 10)) || ((I2C_OUTPUT_TYPE == 0) && (I2C_INPUT_LEN > 1))) begin // HARD
if (((I2C_OUTPUT_TYPE == 3) || (I2C_OUTPUT_TYPE == 0)) && (I2C_INPUT_LEN > 1)) begin // SOFT
// DEACTIVATING INTERRRUPT IF HOST READ INPUT REPORT (LEN 10) AFTER INTERRUPT OR EMPTY DATA (>=2 BYTES) AFTER RESET
// AND UNFREEZING KEYBOARD
INT <= 1;
//KBD_FREEZE <= 0;
IS_EMPTY_REPORT = 1;
end
end
end
else if ((last_uart_active == 1) && (UART_ACTIVE == 0) && (uart_double_ff == 1)) begin
UART_WR = 1;
UART_TX_DATA = 8'hFF;
uart_double_ff = 0;
I2C_INPUT_LEN = 0;
end
else if (UART_WR == 1)
UART_WR <= 0;
else if ((last_isr == 0) && (ISR == 1) && (INT == 1)) begin
INT = 0;
I2C_OUTPUT_TYPE = 3;
I2C_OUT_DESC_MASK = 8'h00;
end
last_wr <= I2C_WR;
last_trans <= I2C_TRANS;
last_uart_active <= UART_ACTIVE;
last_isr <= ISR;
end
end
assign LED5 = I2C_TRANS;
//assign LED5 = COM_RX;
assign LED1 = INT ^ 1;//KBD_COLUMNS[0];//I2C_OUTPUT_TYPE[0];//I2C_RX[0];
assign LED2 = KBD_LED_STATUS[0];//I2C_OUTPUT_TYPE[0];
assign LED3 = KBD_LED_STATUS[1];//I2C_OUTPUT_TYPE[1];
assign LED4 = KBD_LED_STATUS[2];//KBD_FREEZE;//UART_ACTIVE;
//assign ACK = I2C_READ;//I2C_WR; //I2C_ACK;
assign COM_TX = UART_TX_LINE;//COM_RX;
assign INTERRUPT = INT;
assign COM_RTS = I2C_READ;//UART_RTS;
assign COM_DSR = KBD_FREEZE;//UART_DTR;
assign COM_DCD = INT;
endmodule //top

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i2c_keyboard/uart.v
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module uart ( input CLK, input RESET, input TX_SIGNAL, input [7:0] TX_BYTE,
output TX_ACTIVITY, output TX_LINE);
// CLK - INPUT CLOCK (12 MHZ FOR ICESTICK), RESET: IF RESET == 0, MODULE RESETS
// TX_SIGNAL - SIGNAL TO START TRANSMISSION (RISING EDGE), TX_BYTE - BYTE TO TRANSMIT
// TX_ACTIVITY = 1, IF SOME BYTE IS TRANSMITTING NOW, ELSE - 0
// TX_LINE - LINE OF UART_TX,
// IF BYTE IS TRANSMITTING, ATTEMPT TO TRANSMIT OTHER BYTE HAS NO EFFECT
// MODULE WORKS AT POSEDGE
parameter CLK_DIV = 13;
reg TX_sig_last;
reg [3:0] tx_bit_counter;
reg [3:0] tx_clk_counter; // MUST CONTAIN CLK DIV
//reg [7:0] tx_data;
reg tx_activity;
reg tx_line;
initial begin
TX_sig_last = 0;
tx_line = 1;
end
always @ (posedge CLK) begin
if (RESET == 0) begin
/*tx_data = 0;*/ tx_clk_counter = 0;
end
else begin
if (tx_activity) begin
tx_clk_counter = tx_clk_counter - 1;
if (tx_clk_counter == 0) begin
tx_clk_counter = CLK_DIV;
if (tx_bit_counter == 0)
tx_activity = 0;
else begin
tx_bit_counter = tx_bit_counter - 1;
if (tx_bit_counter > 0)
tx_line = TX_BYTE[8-tx_bit_counter];
else
tx_line = 1; // STOP_BIT
end
end
end
else begin
if ((TX_SIGNAL == 1) && (TX_sig_last == 0)) begin
//tx_data = TX_BYTE;
tx_activity = 1;
tx_bit_counter = 9; // NO PARITY, STOP 1 BIT
tx_clk_counter = CLK_DIV;
tx_line = 0; // START BIT
end
end
TX_sig_last = TX_SIGNAL;
end
end
assign TX_LINE = tx_line;
assign TX_ACTIVITY = tx_activity;
endmodule

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kbd_4x4_test/.sconsign.dblite
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kbd_4x4_test/apio.ini
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[env]
board = icestick

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kbd_4x4_test/ext_desc.pcf
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set_io LEDS[0] 99 #RED
set_io LEDS[1] 98 #RED
set_io LEDS[2] 97 #RED
set_io LEDS[3] 96 #RED
set_io TACT_LED 95 #GREEN
set_io COLS[0] 78 #J2-1 or PIO1-02
set_io COLS[1] 79 #J2-2 or PIO1-03
set_io COLS[2] 80 #J2-3 or PIO1-04
set_io COLS[3] 81 #J2-4 or PIO1-05
set_io ROWS[0] 119 #J1-10 or PIO0-09
set_io ROWS[1] 118 #J1-9 or PIO0-08
set_io ROWS[2] 117 #J1-8 or PIO0-07
set_io ROWS[3] 116 #J1-7 or PIO0-06
set_io CLK 21
#set_io SCL 90 # J2, 9
#set_io SDA 91 # J2, 10
# GND - J2, 11

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kbd_4x4_test/hardware.asc
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kbd_4x4_test/hardware.bin
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kbd_4x4_test/hardware.blif
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# Generated by Yosys 0.7 (Apio build) (git sha1 8c071a2, gcc 4.8.4-2ubuntu1~14.04.3 -fPIC -Os)
.model top
.inputs CLK COLS[0] COLS[1] COLS[2] COLS[3] ROWS[0] ROWS[1] ROWS[2] ROWS[3]
.outputs ROWS[0] ROWS[1] ROWS[2] ROWS[3] LEDS[0] LEDS[1] LEDS[2] LEDS[3] TACT_LED
.names $false
.names $true
1
.names $undef
.gate SB_LUT4 I0=$abc$541$n37_1 I1=$abc$541$n42 I2=$abc$541$n43 I3=$false O=$abc$541$n1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10000000
.gate SB_LUT4 I0=$abc$541$n38 I1=$abc$541$n39 I2=$abc$541$n40 I3=$abc$541$n41 O=$abc$541$n37_1
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1000000000000000
.gate SB_LUT4 I0=period_counter[19] I1=period_counter[22] I2=period_counter[18] I3=period_counter[20] O=$abc$541$n38
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0001000000000000
.gate SB_LUT4 I0=period_counter[10] I1=period_counter[13] I2=period_counter[14] I3=period_counter[15] O=$abc$541$n39
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000000000000001
.gate SB_LUT4 I0=period_counter[11] I1=period_counter[12] I2=period_counter[16] I3=period_counter[17] O=$abc$541$n40
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1000000000000000
.gate SB_LUT4 I0=period_counter[21] I1=period_counter[23] I2=period_counter[8] I3=period_counter[9] O=$abc$541$n41
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1000000000000000
.gate SB_LUT4 I0=period_counter[4] I1=period_counter[5] I2=period_counter[6] I3=period_counter[7] O=$abc$541$n42
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000000000000001
.gate SB_LUT4 I0=period_counter[0] I1=period_counter[1] I2=period_counter[2] I3=period_counter[3] O=$abc$541$n43
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 0000000000000001
.gate SB_LUT4 I0=$abc$541$n43 I1=$abc$541$n37_1 I2=$abc$541$n42 I3=period_counter[0] O=$abc$541$n51
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:51"
.param LUT_INIT 1111111110000000
.gate SB_LUT4 I0=row_counter[1] I1=TACT_LED I2=$false I3=$false O=$0\row_counter[1:0][1]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:43"
.param LUT_INIT 0110
.gate SB_LUT4 I0=row_counter[1] I1=$false I2=$false I3=$false O=$abc$541$n3
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=period_counter[1] I1=$false I2=$false I3=$false O=$abc$541$n52
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=TACT_LED I1=$false I2=$false I3=$false O=$abc$541$n54
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=$abc$541$n37_1 I1=$abc$541$n42 I2=$abc$541$n43 I3=$false O=$abc$541$n50
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:47"
.param LUT_INIT 10000000
.gate SB_LUT4 I0=TACT_LED I1=$false I2=$false I3=$false O=$0\row_counter[1:0][0]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:39"
.param LUT_INIT 01
.gate SB_LUT4 I0=$false I1=$true I2=period_counter[0] I3=$false O=$add$top.v:27$5_Y[0]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[10] I3=$auto$alumacc.cc:470:replace_alu$27.C[10] O=$add$top.v:27$5_Y[10]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$27.C[10] CO=$auto$alumacc.cc:470:replace_alu$27.C[11] I0=$false I1=period_counter[10]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[11] I3=$auto$alumacc.cc:470:replace_alu$27.C[11] O=$add$top.v:27$5_Y[11]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$27.C[11] CO=$auto$alumacc.cc:470:replace_alu$27.C[12] I0=$false I1=period_counter[11]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[12] I3=$auto$alumacc.cc:470:replace_alu$27.C[12] O=$add$top.v:27$5_Y[12]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$27.C[12] CO=$auto$alumacc.cc:470:replace_alu$27.C[13] I0=$false I1=period_counter[12]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[13] I3=$auto$alumacc.cc:470:replace_alu$27.C[13] O=$add$top.v:27$5_Y[13]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$27.C[13] CO=$auto$alumacc.cc:470:replace_alu$27.C[14] I0=$false I1=period_counter[13]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[14] I3=$auto$alumacc.cc:470:replace_alu$27.C[14] O=$add$top.v:27$5_Y[14]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$27.C[14] CO=$auto$alumacc.cc:470:replace_alu$27.C[15] I0=$false I1=period_counter[14]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[15] I3=$auto$alumacc.cc:470:replace_alu$27.C[15] O=$add$top.v:27$5_Y[15]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$27.C[15] CO=$auto$alumacc.cc:470:replace_alu$27.C[16] I0=$false I1=period_counter[15]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[16] I3=$auto$alumacc.cc:470:replace_alu$27.C[16] O=$add$top.v:27$5_Y[16]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$27.C[16] CO=$auto$alumacc.cc:470:replace_alu$27.C[17] I0=$false I1=period_counter[16]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[17] I3=$auto$alumacc.cc:470:replace_alu$27.C[17] O=$add$top.v:27$5_Y[17]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$27.C[17] CO=$auto$alumacc.cc:470:replace_alu$27.C[18] I0=$false I1=period_counter[17]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[18] I3=$auto$alumacc.cc:470:replace_alu$27.C[18] O=$add$top.v:27$5_Y[18]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$27.C[18] CO=$auto$alumacc.cc:470:replace_alu$27.C[19] I0=$false I1=period_counter[18]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[19] I3=$auto$alumacc.cc:470:replace_alu$27.C[19] O=$add$top.v:27$5_Y[19]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$27.C[19] CO=$auto$alumacc.cc:470:replace_alu$27.C[20] I0=$false I1=period_counter[19]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_CARRY CI=period_counter[0] CO=$auto$alumacc.cc:470:replace_alu$27.C[2] I0=$false I1=period_counter[1]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[20] I3=$auto$alumacc.cc:470:replace_alu$27.C[20] O=$add$top.v:27$5_Y[20]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$27.C[20] CO=$auto$alumacc.cc:470:replace_alu$27.C[21] I0=$false I1=period_counter[20]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[21] I3=$auto$alumacc.cc:470:replace_alu$27.C[21] O=$add$top.v:27$5_Y[21]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$27.C[21] CO=$auto$alumacc.cc:470:replace_alu$27.C[22] I0=$false I1=period_counter[21]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[22] I3=$auto$alumacc.cc:470:replace_alu$27.C[22] O=$add$top.v:27$5_Y[22]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$27.C[22] CO=$auto$alumacc.cc:470:replace_alu$27.C[23] I0=$false I1=period_counter[22]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[23] I3=$auto$alumacc.cc:470:replace_alu$27.C[23] O=$add$top.v:27$5_Y[23]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[2] I3=$auto$alumacc.cc:470:replace_alu$27.C[2] O=$add$top.v:27$5_Y[2]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$27.C[2] CO=$auto$alumacc.cc:470:replace_alu$27.C[3] I0=$false I1=period_counter[2]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[3] I3=$auto$alumacc.cc:470:replace_alu$27.C[3] O=$add$top.v:27$5_Y[3]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$27.C[3] CO=$auto$alumacc.cc:470:replace_alu$27.C[4] I0=$false I1=period_counter[3]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[4] I3=$auto$alumacc.cc:470:replace_alu$27.C[4] O=$add$top.v:27$5_Y[4]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$27.C[4] CO=$auto$alumacc.cc:470:replace_alu$27.C[5] I0=$false I1=period_counter[4]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[5] I3=$auto$alumacc.cc:470:replace_alu$27.C[5] O=$add$top.v:27$5_Y[5]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$27.C[5] CO=$auto$alumacc.cc:470:replace_alu$27.C[6] I0=$false I1=period_counter[5]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[6] I3=$auto$alumacc.cc:470:replace_alu$27.C[6] O=$add$top.v:27$5_Y[6]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$27.C[6] CO=$auto$alumacc.cc:470:replace_alu$27.C[7] I0=$false I1=period_counter[6]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[7] I3=$auto$alumacc.cc:470:replace_alu$27.C[7] O=$add$top.v:27$5_Y[7]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$27.C[7] CO=$auto$alumacc.cc:470:replace_alu$27.C[8] I0=$false I1=period_counter[7]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[8] I3=$auto$alumacc.cc:470:replace_alu$27.C[8] O=$add$top.v:27$5_Y[8]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$27.C[8] CO=$auto$alumacc.cc:470:replace_alu$27.C[9] I0=$false I1=period_counter[8]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_LUT4 I0=$false I1=$false I2=period_counter[9] I3=$auto$alumacc.cc:470:replace_alu$27.C[9] O=$add$top.v:27$5_Y[9]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:53"
.param LUT_INIT 0110100110010110
.gate SB_CARRY CI=$auto$alumacc.cc:470:replace_alu$27.C[9] CO=$auto$alumacc.cc:470:replace_alu$27.C[10] I0=$false I1=period_counter[9]
.attr src "/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/arith_map.v:47"
.gate SB_DFFE C=CLK D=$0\row_counter[1:0][0] E=$abc$541$n50 Q=TACT_LED
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFE C=CLK D=$0\row_counter[1:0][1] E=$abc$541$n50 Q=row_counter[1]
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[0] Q=period_counter[0] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFESR C=CLK D=$abc$541$n52 E=$abc$541$n51 Q=period_counter[1] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[2] Q=period_counter[2] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[3] Q=period_counter[3] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[4] Q=period_counter[4] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[5] Q=period_counter[5] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[6] Q=period_counter[6] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[7] Q=period_counter[7] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[8] Q=period_counter[8] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[9] Q=period_counter[9] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[10] Q=period_counter[10] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[11] Q=period_counter[11] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[12] Q=period_counter[12] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[13] Q=period_counter[13] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[14] Q=period_counter[14] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[15] Q=period_counter[15] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[16] Q=period_counter[16] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[17] Q=period_counter[17] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[18] Q=period_counter[18] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[19] Q=period_counter[19] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[20] Q=period_counter[20] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[21] Q=period_counter[21] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[22] Q=period_counter[22] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFSR C=CLK D=$add$top.v:27$5_Y[23] Q=period_counter[23] R=$abc$541$n1
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:2"
.gate SB_DFFESR C=CLK D=$abc$541$n54 E=$abc$541$n50 Q=rows_en[0] R=row_counter[1]
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFESR C=CLK D=TACT_LED E=$abc$541$n50 Q=rows_en[1] R=row_counter[1]
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFESR C=CLK D=$abc$541$n54 E=$abc$541$n50 Q=rows_en[2] R=$abc$541$n3
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_DFFESR C=CLK D=TACT_LED E=$abc$541$n50 Q=rows_en[3] R=$abc$541$n3
.attr src "top.v:20|/home/t-bird/.apio/packages/toolchain-icestorm/bin/../share/yosys/ice40/cells_map.v:8"
.gate SB_IO D_IN_0=rows_in[0] D_OUT_0=$false OUTPUT_ENABLE=rows_en[0] PACKAGE_PIN=ROWS[0]
.attr src "top.v:33"
.param PIN_TYPE 101001
.param PULLUP 0
.gate SB_IO D_IN_0=rows_in[1] D_OUT_0=$false OUTPUT_ENABLE=rows_en[1] PACKAGE_PIN=ROWS[1]
.attr src "top.v:33"
.param PIN_TYPE 101001
.param PULLUP 0
.gate SB_IO D_IN_0=rows_in[2] D_OUT_0=$false OUTPUT_ENABLE=rows_en[2] PACKAGE_PIN=ROWS[2]
.attr src "top.v:33"
.param PIN_TYPE 101001
.param PULLUP 0
.gate SB_IO D_IN_0=rows_in[3] D_OUT_0=$false OUTPUT_ENABLE=rows_en[3] PACKAGE_PIN=ROWS[3]
.attr src "top.v:33"
.param PIN_TYPE 101001
.param PULLUP 0
.names COLS[0] LEDS[0]
1 1
.names COLS[1] LEDS[1]
1 1
.names COLS[2] LEDS[2]
1 1
.names COLS[3] LEDS[3]
1 1
.names TACT_LED row_counter[0]
1 1
.end

43
kbd_4x4_test/top.v
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@ -1,43 +0,0 @@
module top (input CLK, input [3:0] COLS, inout [3:0] ROWS, output [3:0] LEDS, output TACT_LED);
// MODULE POOLS MATRIX KEYBOARD 4x4 WITH PERIOD ~1 SEC (FOR EACH ROW)
// AND REDIRECTED COLUMNS TO RED LEDS
// GREEN LED TOGGLES EVERY ONE SECOND (AS POOLING PERIOD)
// NEED FOR CHECKING CONNECTION TO MATRIX 4x4 KEYBOARD
// IF THERE IS NO KEY PRESSED, ALL RED LEDS ARE ON
// IF SOME KEY PRESSED, SOME LED IS NOT ON IN ONE OF FOUR PERIODS
// ETC
reg [1:0] row_counter = 0;
reg [23:0] period_counter = 0;
reg [3:0] rows_out = 0;
reg [3:0] rows_en = 0;
wire [3:0] rows_in;
parameter period = 24'd12000000;
always @ ( posedge CLK ) begin
if (period_counter == period) begin
period_counter <= 0;
rows_en <= (1<<row_counter);
row_counter <= row_counter + 1;
end
else
period_counter <= period_counter + 1;
end
assign TACT_LED = row_counter[0];
assign LEDS = COLS;
SB_IO #(
.PIN_TYPE(6'b 1010_01),
.PULLUP(1'b 0)
) rows_io [3:0] (
.PACKAGE_PIN(ROWS),
.OUTPUT_ENABLE(rows_en),
.D_OUT_0(rows_out),
.D_IN_0(rows_in)
);
endmodule
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