Add BFO-9000 keyboard (#2807)
Danny
7 years ago
committed by
Drashna Jaelre
parent
1c6b9323b2
commit
eb89a372ec
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#include "bfo9000.h"
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#ifndef BFO9000_H
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#define BFO9000_H
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#include "quantum.h"
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#ifdef USE_I2C
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#include <stddef.h>
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#ifdef __AVR__
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#endif
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#endif
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#define LAYOUT( \
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L00, L01, L02, L03, L04, L05, L06, L07, L08, R00, R01, R02, R03, R04, R05, R06, R07, R08, \
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L10, L11, L12, L13, L14, L15, L16, L17, L18, R10, R11, R12, R13, R14, R15, R16, R17, R18, \
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L20, L21, L22, L23, L24, L25, L26, L27, L28, R20, R21, R22, R23, R24, R25, R26, R27, R28, \
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L30, L31, L32, L33, L34, L35, L36, L37, L38, R30, R31, R32, R33, R34, R35, R36, R37, R38, \
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L40, L41, L42, L43, L44, L45, L46, L47, L48, R40, R41, R42, R43, R44, R45, R46, R47, R48, \
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L50, L51, L52, L53, L54, L55, L56, L57, L58, R50, R51, R52, R53, R54, R55, R56, R57, R58 \
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) \
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{ \
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{ L00, L01, L02, L03, L04, L05, L06, L07, L08 }, \
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{ L10, L11, L12, L13, L14, L15, L16, L17, L18 }, \
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{ L20, L21, L22, L23, L24, L25, L26, L27, L28 }, \
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{ L30, L31, L32, L33, L34, L35, L36, L37, L38 }, \
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{ L40, L41, L42, L43, L44, L45, L46, L47, L48 }, \
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{ L50, L51, L52, L53, L54, L55, L56, L57, L58 }, \
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{ R00, R01, R02, R03, R04, R05, R06, R07, R08 }, \
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{ R10, R11, R12, R13, R14, R15, R16, R17, R18 }, \
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{ R20, R21, R22, R23, R24, R25, R26, R27, R28 }, \
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{ R30, R31, R32, R33, R34, R35, R36, R37, R38 }, \
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{ R40, R41, R42, R43, R44, R45, R46, R47, R48 }, \
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{ R50, R51, R52, R53, R54, R55, R56, R57, R58 } \
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}
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#endif
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/*
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Copyright 2012 Jun Wako <wakojun@gmail.com>
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Copyright 2015 Jack Humbert
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CONFIG_H
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#define CONFIG_H
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#include "config_common.h"
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/* USB Device descriptor parameter */
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#define VENDOR_ID 0xCEEB
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#define PRODUCT_ID 0x1169
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#define DEVICE_VER 0x0100
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#define MANUFACTURER Keebio
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#define PRODUCT BFO-9000
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#define DESCRIPTION Really big split ortholinear keyboard
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/* key matrix size */
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// Rows are doubled-up
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#define MATRIX_ROWS 12
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#define MATRIX_COLS 9
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// wiring of each half
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#define MATRIX_ROW_PINS { D3, D2, D4, C6, D7, E6 }
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#define MATRIX_COL_PINS { B5, B6, B2, B3, B1, F7, F6, F5, F4 }
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/* Set 0 if debouncing isn't needed */
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#define DEBOUNCING_DELAY 5
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/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
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#define LOCKING_SUPPORT_ENABLE
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/* Locking resynchronize hack */
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#define LOCKING_RESYNC_ENABLE
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/* key combination for command */
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#define IS_COMMAND() ( \
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keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
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)
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/* ws2812 RGB LED */
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#define RGB_DI_PIN B4
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#define RGBLIGHT_TIMER
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#define RGBLED_NUM 20 // Number of LEDs
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/*
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* Feature disable options
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* These options are also useful to firmware size reduction.
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*/
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/* disable debug print */
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// #define NO_DEBUG
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/* disable print */
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// #define NO_PRINT
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/* disable action features */
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//#define NO_ACTION_LAYER
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//#define NO_ACTION_TAPPING
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//#define NO_ACTION_ONESHOT
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//#define NO_ACTION_MACRO
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//#define NO_ACTION_FUNCTION
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#endif
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#include <util/twi.h>
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#include <avr/io.h>
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#include <stdlib.h>
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#include <avr/interrupt.h>
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#include <util/twi.h>
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#include <stdbool.h>
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#include "i2c.h"
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#ifdef USE_I2C
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// Limits the amount of we wait for any one i2c transaction.
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// Since were running SCL line 100kHz (=> 10μs/bit), and each transactions is
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// 9 bits, a single transaction will take around 90μs to complete.
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//
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// (F_CPU/SCL_CLOCK) => # of μC cycles to transfer a bit
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// poll loop takes at least 8 clock cycles to execute
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#define I2C_LOOP_TIMEOUT (9+1)*(F_CPU/SCL_CLOCK)/8
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#define BUFFER_POS_INC() (slave_buffer_pos = (slave_buffer_pos+1)%SLAVE_BUFFER_SIZE)
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volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];
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static volatile uint8_t slave_buffer_pos;
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static volatile bool slave_has_register_set = false;
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// Wait for an i2c operation to finish
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inline static
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void i2c_delay(void) {
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uint16_t lim = 0;
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while(!(TWCR & (1<<TWINT)) && lim < I2C_LOOP_TIMEOUT)
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lim++;
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// easier way, but will wait slightly longer
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// _delay_us(100);
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}
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// Setup twi to run at 100kHz
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void i2c_master_init(void) {
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// no prescaler
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TWSR = 0;
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// Set TWI clock frequency to SCL_CLOCK. Need TWBR>10.
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// Check datasheets for more info.
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TWBR = ((F_CPU/SCL_CLOCK)-16)/2;
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}
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// Start a transaction with the given i2c slave address. The direction of the
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// transfer is set with I2C_READ and I2C_WRITE.
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// returns: 0 => success
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// 1 => error
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uint8_t i2c_master_start(uint8_t address) {
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TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTA);
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i2c_delay();
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// check that we started successfully
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if ( (TW_STATUS != TW_START) && (TW_STATUS != TW_REP_START))
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return 1;
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TWDR = address;
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TWCR = (1<<TWINT) | (1<<TWEN);
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i2c_delay();
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if ( (TW_STATUS != TW_MT_SLA_ACK) && (TW_STATUS != TW_MR_SLA_ACK) )
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return 1; // slave did not acknowledge
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else
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return 0; // success
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}
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// Finish the i2c transaction.
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void i2c_master_stop(void) {
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TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO);
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uint16_t lim = 0;
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while(!(TWCR & (1<<TWSTO)) && lim < I2C_LOOP_TIMEOUT)
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lim++;
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}
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// Write one byte to the i2c slave.
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// returns 0 => slave ACK
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// 1 => slave NACK
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uint8_t i2c_master_write(uint8_t data) {
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TWDR = data;
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TWCR = (1<<TWINT) | (1<<TWEN);
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i2c_delay();
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// check if the slave acknowledged us
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return (TW_STATUS == TW_MT_DATA_ACK) ? 0 : 1;
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}
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// Read one byte from the i2c slave. If ack=1 the slave is acknowledged,
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// if ack=0 the acknowledge bit is not set.
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// returns: byte read from i2c device
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uint8_t i2c_master_read(int ack) {
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TWCR = (1<<TWINT) | (1<<TWEN) | (ack<<TWEA);
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i2c_delay();
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return TWDR;
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}
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void i2c_reset_state(void) {
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TWCR = 0;
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}
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void i2c_slave_init(uint8_t address) {
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TWAR = address << 0; // slave i2c address
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// TWEN - twi enable
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// TWEA - enable address acknowledgement
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// TWINT - twi interrupt flag
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// TWIE - enable the twi interrupt
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TWCR = (1<<TWIE) | (1<<TWEA) | (1<<TWINT) | (1<<TWEN);
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}
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ISR(TWI_vect);
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ISR(TWI_vect) {
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uint8_t ack = 1;
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switch(TW_STATUS) {
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case TW_SR_SLA_ACK:
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// this device has been addressed as a slave receiver
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slave_has_register_set = false;
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break;
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case TW_SR_DATA_ACK:
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// this device has received data as a slave receiver
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// The first byte that we receive in this transaction sets the location
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// of the read/write location of the slaves memory that it exposes over
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// i2c. After that, bytes will be written at slave_buffer_pos, incrementing
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// slave_buffer_pos after each write.
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if(!slave_has_register_set) {
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slave_buffer_pos = TWDR;
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// don't acknowledge the master if this memory loctaion is out of bounds
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if ( slave_buffer_pos >= SLAVE_BUFFER_SIZE ) {
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ack = 0;
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slave_buffer_pos = 0;
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}
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slave_has_register_set = true;
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} else {
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i2c_slave_buffer[slave_buffer_pos] = TWDR;
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BUFFER_POS_INC();
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}
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break;
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case TW_ST_SLA_ACK:
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case TW_ST_DATA_ACK:
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// master has addressed this device as a slave transmitter and is
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// requesting data.
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TWDR = i2c_slave_buffer[slave_buffer_pos];
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BUFFER_POS_INC();
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break;
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case TW_BUS_ERROR: // something went wrong, reset twi state
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TWCR = 0;
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default:
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break;
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}
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// Reset everything, so we are ready for the next TWI interrupt
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TWCR |= (1<<TWIE) | (1<<TWINT) | (ack<<TWEA) | (1<<TWEN);
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}
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#endif
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@ -0,0 +1,49 @@
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#ifndef I2C_H
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#define I2C_H
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#include <stdint.h>
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#ifndef F_CPU
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#define F_CPU 16000000UL
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#endif
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#define I2C_READ 1
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#define I2C_WRITE 0
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#define I2C_ACK 1
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#define I2C_NACK 0
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#define SLAVE_BUFFER_SIZE 0x10
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// i2c SCL clock frequency
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#define SCL_CLOCK 400000L
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extern volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];
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void i2c_master_init(void);
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uint8_t i2c_master_start(uint8_t address);
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void i2c_master_stop(void);
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uint8_t i2c_master_write(uint8_t data);
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uint8_t i2c_master_read(int);
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void i2c_reset_state(void);
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void i2c_slave_init(uint8_t address);
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static inline unsigned char i2c_start_read(unsigned char addr) {
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return i2c_master_start((addr << 1) | I2C_READ);
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}
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static inline unsigned char i2c_start_write(unsigned char addr) {
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return i2c_master_start((addr << 1) | I2C_WRITE);
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}
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// from SSD1306 scrips
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extern unsigned char i2c_rep_start(unsigned char addr);
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extern void i2c_start_wait(unsigned char addr);
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extern unsigned char i2c_readAck(void);
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extern unsigned char i2c_readNak(void);
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extern unsigned char i2c_read(unsigned char ack);
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#define i2c_read(ack) (ack) ? i2c_readAck() : i2c_readNak();
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#endif
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@ -0,0 +1,37 @@
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/*
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This is the c configuration file for the keymap
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Copyright 2012 Jun Wako <wakojun@gmail.com>
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Copyright 2015 Jack Humbert
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
|
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CONFIG_USER_H
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#define CONFIG_USER_H
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#include "config_common.h"
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/* Use I2C or Serial, not both */
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#define USE_SERIAL
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// #define USE_I2C
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/* Select hand configuration */
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#define MASTER_LEFT
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// #define MASTER_RIGHT
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// #define EE_HANDS
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#endif
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@ -0,0 +1,19 @@
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#include QMK_KEYBOARD_H
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#define _BASE 0
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// Fillers to make layering more clear
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#define _______ KC_TRNS
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#define XXXXXXX KC_NO
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const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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[_BASE] = LAYOUT( \
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KC_ESC, KC_VOLU, KC_ESC, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, KC_DEL, \
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KC_HOME, KC_VOLD, KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSPC, \
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KC_END, KC_TAB, KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC, KC_RBRC, KC_BSLS, \
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KC_PGUP, KC_CAPS, KC_LCTL, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, KC_ENT, KC_ENT, \
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KC_PGDN, KC_UP, KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_RSFT, KC_UP, XXXXXXX, \
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KC_LEFT, KC_DOWN, KC_RGHT, KC_LCTL, KC_LALT, KC_LGUI, KC_SPC, KC_SPC, KC_ENT, KC_BSPC, KC_SPC, KC_SPC, KC_RGUI, KC_RALT, KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT \
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)
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};
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@ -0,0 +1,342 @@
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/*
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Copyright 2012 Jun Wako <wakojun@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation, either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* scan matrix
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*/
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#include <stdint.h>
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#include <stdbool.h>
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#ifdef USE_I2C
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// provides memcpy for copying TWI slave buffer
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// #include <string.h>
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#endif
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#include <avr/io.h>
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#include <avr/wdt.h>
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#include <avr/interrupt.h>
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#include <util/delay.h>
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#include "print.h"
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#include "debug.h"
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#include "util.h"
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#include "matrix.h"
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#include "split_util.h"
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#include "pro_micro.h"
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#include "config.h"
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#ifdef USE_I2C
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# include "i2c.h"
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#else // USE_SERIAL
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# include "serial.h"
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#endif
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#ifndef DEBOUNCE
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# define DEBOUNCE 5
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#endif
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|
||||
#define ERROR_DISCONNECT_COUNT 5
|
||||
|
||||
static uint8_t debouncing = DEBOUNCE;
|
||||
static const int ROWS_PER_HAND = MATRIX_ROWS/2;
|
||||
static uint8_t error_count = 0;
|
||||
|
||||
static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
|
||||
static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
|
||||
|
||||
/* matrix state(1:on, 0:off) */
|
||||
static matrix_row_t matrix[MATRIX_ROWS];
|
||||
static matrix_row_t matrix_debouncing[MATRIX_ROWS];
|
||||
|
||||
static matrix_row_t read_cols(void);
|
||||
static void init_cols(void);
|
||||
static void unselect_rows(void);
|
||||
static void select_row(uint8_t row);
|
||||
|
||||
|
||||
__attribute__ ((weak))
|
||||
void matrix_init_kb(void) {
|
||||
matrix_init_user();
|
||||
}
|
||||
|
||||
__attribute__ ((weak))
|
||||
void matrix_scan_kb(void) {
|
||||
matrix_scan_user();
|
||||
}
|
||||
|
||||
__attribute__ ((weak))
|
||||
void matrix_init_user(void) {
|
||||
}
|
||||
|
||||
__attribute__ ((weak))
|
||||
void matrix_scan_user(void) {
|
||||
}
|
||||
|
||||
inline
|
||||
uint8_t matrix_rows(void)
|
||||
{
|
||||
return MATRIX_ROWS;
|
||||
}
|
||||
|
||||
inline
|
||||
uint8_t matrix_cols(void)
|
||||
{
|
||||
return MATRIX_COLS;
|
||||
}
|
||||
|
||||
void matrix_init(void)
|
||||
{
|
||||
debug_enable = true;
|
||||
debug_matrix = true;
|
||||
debug_mouse = true;
|
||||
// initialize row and col
|
||||
unselect_rows();
|
||||
init_cols();
|
||||
|
||||
TX_RX_LED_INIT;
|
||||
|
||||
// initialize matrix state: all keys off
|
||||
for (uint8_t i=0; i < MATRIX_ROWS; i++) {
|
||||
matrix[i] = 0;
|
||||
matrix_debouncing[i] = 0;
|
||||
}
|
||||
|
||||
matrix_init_quantum();
|
||||
}
|
||||
|
||||
uint8_t _matrix_scan(void)
|
||||
{
|
||||
// Right hand is stored after the left in the matrix so, we need to offset it
|
||||
int offset = isLeftHand ? 0 : (ROWS_PER_HAND);
|
||||
|
||||
for (uint8_t i = 0; i < ROWS_PER_HAND; i++) {
|
||||
select_row(i);
|
||||
_delay_us(30); // without this wait read unstable value.
|
||||
matrix_row_t cols = read_cols();
|
||||
if (matrix_debouncing[i+offset] != cols) {
|
||||
matrix_debouncing[i+offset] = cols;
|
||||
debouncing = DEBOUNCE;
|
||||
}
|
||||
unselect_rows();
|
||||
}
|
||||
|
||||
if (debouncing) {
|
||||
if (--debouncing) {
|
||||
_delay_ms(1);
|
||||
} else {
|
||||
for (uint8_t i = 0; i < ROWS_PER_HAND; i++) {
|
||||
matrix[i+offset] = matrix_debouncing[i+offset];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
#ifdef USE_I2C
|
||||
|
||||
// Get rows from other half over i2c
|
||||
int i2c_transaction(void) {
|
||||
int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
|
||||
|
||||
int err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE);
|
||||
if (err) goto i2c_error;
|
||||
|
||||
// start of matrix stored at 0x00
|
||||
err = i2c_master_write(0x00);
|
||||
if (err) goto i2c_error;
|
||||
|
||||
// Start read
|
||||
err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_READ);
|
||||
if (err) goto i2c_error;
|
||||
|
||||
if (!err) {
|
||||
/*
|
||||
// read from TWI byte-by-byte into matrix_row_t memory space
|
||||
size_t i;
|
||||
for (i = 0; i < SLAVE_BUFFER_SIZE-1; ++i) {
|
||||
*((uint8_t*)&matrix[slaveOffset]+i) = i2c_master_read(I2C_ACK);
|
||||
}
|
||||
// last byte to be read / end of chunk
|
||||
*((uint8_t*)&matrix[slaveOffset]+i) = i2c_master_read(I2C_NACK);
|
||||
*/
|
||||
|
||||
// kludge for column #9: unpack bits for keys (2,9) and (3,9) from (1,7) and (1,8)
|
||||
// i2c_master_read(I2C_ACK);
|
||||
matrix[slaveOffset+0] = i2c_master_read(I2C_ACK);
|
||||
// i2c_master_read(I2C_ACK);
|
||||
matrix[slaveOffset+1] = (matrix_row_t)i2c_master_read(I2C_ACK)\
|
||||
| (matrix[slaveOffset+0]&0x40U)<<2;
|
||||
// i2c_master_read(I2C_ACK);
|
||||
matrix[slaveOffset+2] = (matrix_row_t)i2c_master_read(I2C_NACK)\
|
||||
| (matrix[slaveOffset+0]&0x80U)<<1;
|
||||
// clear highest two bits on row 1, where the col9 bits were transported
|
||||
matrix[slaveOffset+0] &= 0x3F;
|
||||
|
||||
i2c_master_stop();
|
||||
} else {
|
||||
i2c_error: // the cable is disconnected, or something else went wrong
|
||||
i2c_reset_state();
|
||||
return err;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#else // USE_SERIAL
|
||||
|
||||
int serial_transaction(void) {
|
||||
int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
|
||||
|
||||
if (serial_update_buffers()) {
|
||||
return 1;
|
||||
}
|
||||
|
||||
for (int i = 0; i < ROWS_PER_HAND; ++i) {
|
||||
matrix[slaveOffset+i] = serial_slave_buffer[i];
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
uint8_t matrix_scan(void)
|
||||
{
|
||||
int ret = _matrix_scan();
|
||||
|
||||
|
||||
|
||||
#ifdef USE_I2C
|
||||
if( i2c_transaction() ) {
|
||||
#else // USE_SERIAL
|
||||
if( serial_transaction() ) {
|
||||
#endif
|
||||
// turn on the indicator led when halves are disconnected
|
||||
TXLED1;
|
||||
|
||||
error_count++;
|
||||
|
||||
if (error_count > ERROR_DISCONNECT_COUNT) {
|
||||
// reset other half if disconnected
|
||||
int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
|
||||
for (int i = 0; i < ROWS_PER_HAND; ++i) {
|
||||
matrix[slaveOffset+i] = 0;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
// turn off the indicator led on no error
|
||||
TXLED0;
|
||||
error_count = 0;
|
||||
}
|
||||
matrix_scan_quantum();
|
||||
return ret;
|
||||
}
|
||||
|
||||
void matrix_slave_scan(void) {
|
||||
_matrix_scan();
|
||||
|
||||
int offset = (isLeftHand) ? 0 : ROWS_PER_HAND;
|
||||
|
||||
#ifdef USE_I2C
|
||||
// SLAVE_BUFFER_SIZE is from i2c.h
|
||||
// (MATRIX_ROWS/2*sizeof(matrix_row_t))
|
||||
// memcpy((void*)i2c_slave_buffer, (const void*)&matrix[offset], (ROWS_PER_HAND*sizeof(matrix_row_t)));
|
||||
|
||||
// kludge for column #9: put bits for keys (2,9) and (3,9) into (1,7) and (1,8)
|
||||
i2c_slave_buffer[0] = (uint8_t)(matrix[offset+0])\
|
||||
| (matrix[offset+1]&0x100U)>>2\
|
||||
| (matrix[offset+2]&0x100U)>>1;
|
||||
i2c_slave_buffer[1] = (uint8_t)(matrix[offset+1]);
|
||||
i2c_slave_buffer[2] = (uint8_t)(matrix[offset+2]);
|
||||
// note: looks like a possible operator-precedence bug here, in last version?
|
||||
/*
|
||||
i2c_slave_buffer[1] = (uint8_t)matrix[offset+0];
|
||||
i2c_slave_buffer[2] = (uint8_t)(matrix[offset+1]>>8);
|
||||
i2c_slave_buffer[3] = (uint8_t)(matrix[offset+1]>>8);
|
||||
i2c_slave_buffer[4] = (uint8_t)(matrix[offset+2]>>8);
|
||||
i2c_slave_buffer[5] = (uint8_t)matrix[offset+2];
|
||||
*/
|
||||
#else // USE_SERIAL
|
||||
for (int i = 0; i < ROWS_PER_HAND; ++i) {
|
||||
serial_slave_buffer[i] = matrix[offset+i];
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
bool matrix_is_modified(void)
|
||||
{
|
||||
if (debouncing) return false;
|
||||
return true;
|
||||
}
|
||||
|
||||
inline
|
||||
bool matrix_is_on(uint8_t row, uint8_t col)
|
||||
{
|
||||
return (matrix[row] & ((matrix_row_t)1<<col));
|
||||
}
|
||||
|
||||
inline
|
||||
matrix_row_t matrix_get_row(uint8_t row)
|
||||
{
|
||||
return matrix[row];
|
||||
}
|
||||
|
||||
void matrix_print(void)
|
||||
{
|
||||
print("\nr/c 0123456789ABCDEF\n");
|
||||
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
|
||||
phex(row); print(": ");
|
||||
pbin_reverse16(matrix_get_row(row));
|
||||
print("\n");
|
||||
}
|
||||
}
|
||||
|
||||
uint8_t matrix_key_count(void)
|
||||
{
|
||||
uint8_t count = 0;
|
||||
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
|
||||
count += bitpop16(matrix[i]);
|
||||
}
|
||||
return count;
|
||||
}
|
||||
|
||||
static void init_cols(void)
|
||||
{
|
||||
for(int x = 0; x < MATRIX_COLS; x++) {
|
||||
_SFR_IO8((col_pins[x] >> 4) + 1) &= ~_BV(col_pins[x] & 0xF);
|
||||
_SFR_IO8((col_pins[x] >> 4) + 2) |= _BV(col_pins[x] & 0xF);
|
||||
}
|
||||
}
|
||||
|
||||
static matrix_row_t read_cols(void)
|
||||
{
|
||||
matrix_row_t result = 0;
|
||||
for(int x = 0; x < MATRIX_COLS; x++) {
|
||||
result |= (_SFR_IO8(col_pins[x] >> 4) & _BV(col_pins[x] & 0xF)) ? 0 : (1 << x);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
static void unselect_rows(void)
|
||||
{
|
||||
for(int x = 0; x < ROWS_PER_HAND; x++) {
|
||||
_SFR_IO8((row_pins[x] >> 4) + 1) &= ~_BV(row_pins[x] & 0xF);
|
||||
_SFR_IO8((row_pins[x] >> 4) + 2) |= _BV(row_pins[x] & 0xF);
|
||||
}
|
||||
}
|
||||
|
||||
static void select_row(uint8_t row)
|
||||
{
|
||||
_SFR_IO8((row_pins[row] >> 4) + 1) |= _BV(row_pins[row] & 0xF);
|
||||
_SFR_IO8((row_pins[row] >> 4) + 2) &= ~_BV(row_pins[row] & 0xF);
|
||||
}
|
||||
@ -0,0 +1,18 @@
|
||||
BFO-9000
|
||||
========
|
||||
|
||||
A split full-size ortholinear keyboard made and sold by Keebio. Each half is a 6x9 arrangement, with breakable pieces to allow the number of rows to be customized between 4 to 6, and the number of columns to be between 7 to 9. [More info at Keebio](https://keeb.io).
|
||||
|
||||
Keyboard Maintainer: [Bakingpy/nooges](https://github.com/nooges)
|
||||
Hardware Supported: Pro Micro
|
||||
Hardware Availability: [Keebio](https://keeb.io)
|
||||
|
||||
Make example for this keyboard (after setting up your build environment):
|
||||
|
||||
make bfo9000:default
|
||||
|
||||
Example of flashing this keyboard:
|
||||
|
||||
make bfo9000:default:avrdude
|
||||
|
||||
See [build environment setup](https://docs.qmk.fm/build_environment_setup.html) then the [make instructions](https://docs.qmk.fm/make_instructions.html) for more information.
|
||||
@ -0,0 +1,70 @@
|
||||
SRC += matrix.c \
|
||||
i2c.c \
|
||||
split_util.c \
|
||||
serial.c
|
||||
|
||||
# MCU name
|
||||
#MCU = at90usb1287
|
||||
MCU = atmega32u4
|
||||
|
||||
# Processor frequency.
|
||||
# This will define a symbol, F_CPU, in all source code files equal to the
|
||||
# processor frequency in Hz. You can then use this symbol in your source code to
|
||||
# calculate timings. Do NOT tack on a 'UL' at the end, this will be done
|
||||
# automatically to create a 32-bit value in your source code.
|
||||
#
|
||||
# This will be an integer division of F_USB below, as it is sourced by
|
||||
# F_USB after it has run through any CPU prescalers. Note that this value
|
||||
# does not *change* the processor frequency - it should merely be updated to
|
||||
# reflect the processor speed set externally so that the code can use accurate
|
||||
# software delays.
|
||||
F_CPU = 16000000
|
||||
|
||||
#
|
||||
# LUFA specific
|
||||
#
|
||||
# Target architecture (see library "Board Types" documentation).
|
||||
ARCH = AVR8
|
||||
|
||||
# Input clock frequency.
|
||||
# This will define a symbol, F_USB, in all source code files equal to the
|
||||
# input clock frequency (before any prescaling is performed) in Hz. This value may
|
||||
# differ from F_CPU if prescaling is used on the latter, and is required as the
|
||||
# raw input clock is fed directly to the PLL sections of the AVR for high speed
|
||||
# clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL'
|
||||
# at the end, this will be done automatically to create a 32-bit value in your
|
||||
# source code.
|
||||
#
|
||||
# If no clock division is performed on the input clock inside the AVR (via the
|
||||
# CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.
|
||||
F_USB = $(F_CPU)
|
||||
|
||||
# Bootloader
|
||||
# This definition is optional, and if your keyboard supports multiple bootloaders of
|
||||
# different sizes, comment this out, and the correct address will be loaded
|
||||
# automatically (+60). See bootloader.mk for all options.
|
||||
BOOTLOADER = caterina
|
||||
|
||||
# Interrupt driven control endpoint task(+60)
|
||||
OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
|
||||
|
||||
# Build Options
|
||||
# change to "no" to disable the options, or define them in the Makefile in
|
||||
# the appropriate keymap folder that will get included automatically
|
||||
#
|
||||
BOOTMAGIC_ENABLE = no # Virtual DIP switch configuration(+1000)
|
||||
MOUSEKEY_ENABLE = yes # Mouse keys(+4700)
|
||||
EXTRAKEY_ENABLE = yes # Audio control and System control(+450)
|
||||
CONSOLE_ENABLE = no # Console for debug(+400)
|
||||
COMMAND_ENABLE = yes # Commands for debug and configuration
|
||||
NKRO_ENABLE = no # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
|
||||
BACKLIGHT_ENABLE = no # Enable keyboard backlight functionality
|
||||
MIDI_ENABLE = no # MIDI controls
|
||||
AUDIO_ENABLE = no # Audio output on port C6
|
||||
UNICODE_ENABLE = no # Unicode
|
||||
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
|
||||
RGBLIGHT_ENABLE = no # Enable WS2812 RGB underlight. Do not enable this with audio at the same time.
|
||||
# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
|
||||
SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend
|
||||
|
||||
CUSTOM_MATRIX = yes
|
||||
@ -0,0 +1,230 @@
|
||||
/*
|
||||
* WARNING: be careful changing this code, it is very timing dependent
|
||||
*/
|
||||
|
||||
#ifndef F_CPU
|
||||
#define F_CPU 16000000
|
||||
#endif
|
||||
|
||||
#include <avr/io.h>
|
||||
#include <avr/interrupt.h>
|
||||
#include <util/delay.h>
|
||||
#include <stdbool.h>
|
||||
#include "serial.h"
|
||||
|
||||
#ifdef USE_SERIAL
|
||||
|
||||
// Serial pulse period in microseconds. Its probably a bad idea to lower this
|
||||
// value.
|
||||
#define SERIAL_DELAY 24
|
||||
|
||||
matrix_row_t volatile serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH] = {0};
|
||||
matrix_row_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {0};
|
||||
|
||||
#define ROW_MASK (((matrix_row_t)0-1)>>(8*sizeof(matrix_row_t)-MATRIX_COLS))
|
||||
|
||||
#define SLAVE_DATA_CORRUPT (1<<0)
|
||||
volatile uint8_t status = 0;
|
||||
|
||||
inline static
|
||||
void serial_delay(void) {
|
||||
_delay_us(SERIAL_DELAY);
|
||||
}
|
||||
|
||||
inline static
|
||||
void serial_output(void) {
|
||||
SERIAL_PIN_DDR |= SERIAL_PIN_MASK;
|
||||
}
|
||||
|
||||
// make the serial pin an input with pull-up resistor
|
||||
inline static
|
||||
void serial_input(void) {
|
||||
SERIAL_PIN_DDR &= ~SERIAL_PIN_MASK;
|
||||
SERIAL_PIN_PORT |= SERIAL_PIN_MASK;
|
||||
}
|
||||
|
||||
inline static
|
||||
matrix_row_t serial_read_pin(void) {
|
||||
return !!(SERIAL_PIN_INPUT & SERIAL_PIN_MASK);
|
||||
}
|
||||
|
||||
inline static
|
||||
void serial_low(void) {
|
||||
SERIAL_PIN_PORT &= ~SERIAL_PIN_MASK;
|
||||
}
|
||||
|
||||
inline static
|
||||
void serial_high(void) {
|
||||
SERIAL_PIN_PORT |= SERIAL_PIN_MASK;
|
||||
}
|
||||
|
||||
void serial_master_init(void) {
|
||||
serial_output();
|
||||
serial_high();
|
||||
}
|
||||
|
||||
void serial_slave_init(void) {
|
||||
serial_input();
|
||||
|
||||
// Enable INT0
|
||||
EIMSK |= _BV(INT0);
|
||||
// Trigger on falling edge of INT0
|
||||
EICRA &= ~(_BV(ISC00) | _BV(ISC01));
|
||||
}
|
||||
|
||||
// Used by the master to synchronize timing with the slave.
|
||||
static
|
||||
void sync_recv(void) {
|
||||
serial_input();
|
||||
// This shouldn't hang if the slave disconnects because the
|
||||
// serial line will float to high if the slave does disconnect.
|
||||
while (!serial_read_pin());
|
||||
serial_delay();
|
||||
}
|
||||
|
||||
// Used by the slave to send a synchronization signal to the master.
|
||||
static
|
||||
void sync_send(void) {
|
||||
serial_output();
|
||||
|
||||
serial_low();
|
||||
serial_delay();
|
||||
|
||||
serial_high();
|
||||
}
|
||||
|
||||
// Reads a byte from the serial line
|
||||
static
|
||||
matrix_row_t serial_read_byte(void) {
|
||||
matrix_row_t byte = 0;
|
||||
serial_input();
|
||||
for ( uint8_t i = 0; i < MATRIX_COLS; ++i) {
|
||||
byte = (byte << 1) | serial_read_pin();
|
||||
serial_delay();
|
||||
_delay_us(1);
|
||||
}
|
||||
|
||||
return byte;
|
||||
}
|
||||
|
||||
// Sends a byte with MSB ordering
|
||||
static
|
||||
void serial_write_byte(matrix_row_t data) {
|
||||
matrix_row_t b = MATRIX_COLS;
|
||||
serial_output();
|
||||
while( b-- ) {
|
||||
if(data & (1UL << b)) {
|
||||
serial_high();
|
||||
} else {
|
||||
serial_low();
|
||||
}
|
||||
serial_delay();
|
||||
}
|
||||
}
|
||||
|
||||
// interrupt handle to be used by the slave device
|
||||
ISR(SERIAL_PIN_INTERRUPT) {
|
||||
sync_send();
|
||||
|
||||
matrix_row_t checksum = 0;
|
||||
for (int i = 0; i < SERIAL_SLAVE_BUFFER_LENGTH; ++i) {
|
||||
serial_write_byte(serial_slave_buffer[i]);
|
||||
sync_send();
|
||||
checksum += ROW_MASK & serial_slave_buffer[i];
|
||||
}
|
||||
serial_write_byte(checksum);
|
||||
sync_send();
|
||||
|
||||
// wait for the sync to finish sending
|
||||
serial_delay();
|
||||
|
||||
// read the middle of pulses
|
||||
_delay_us(SERIAL_DELAY/2);
|
||||
|
||||
matrix_row_t checksum_computed = 0;
|
||||
for (int i = 0; i < SERIAL_MASTER_BUFFER_LENGTH; ++i) {
|
||||
serial_master_buffer[i] = serial_read_byte();
|
||||
sync_send();
|
||||
checksum_computed += ROW_MASK & serial_master_buffer[i];
|
||||
}
|
||||
matrix_row_t checksum_received = serial_read_byte();
|
||||
sync_send();
|
||||
|
||||
serial_input(); // end transaction
|
||||
|
||||
if ( checksum_computed != checksum_received ) {
|
||||
status |= SLAVE_DATA_CORRUPT;
|
||||
} else {
|
||||
status &= ~SLAVE_DATA_CORRUPT;
|
||||
}
|
||||
}
|
||||
|
||||
inline
|
||||
bool serial_slave_DATA_CORRUPT(void) {
|
||||
return status & SLAVE_DATA_CORRUPT;
|
||||
}
|
||||
|
||||
// Copies the serial_slave_buffer to the master and sends the
|
||||
// serial_master_buffer to the slave.
|
||||
//
|
||||
// Returns:
|
||||
// 0 => no error
|
||||
// 1 => slave did not respond
|
||||
int serial_update_buffers(void) {
|
||||
// this code is very time dependent, so we need to disable interrupts
|
||||
cli();
|
||||
|
||||
// signal to the slave that we want to start a transaction
|
||||
serial_output();
|
||||
serial_low();
|
||||
_delay_us(1);
|
||||
|
||||
// wait for the slaves response
|
||||
serial_input();
|
||||
serial_high();
|
||||
_delay_us(SERIAL_DELAY);
|
||||
|
||||
// check if the slave is present
|
||||
if (serial_read_pin()) {
|
||||
// slave failed to pull the line low, assume not present
|
||||
sei();
|
||||
return 1;
|
||||
}
|
||||
|
||||
// if the slave is present syncronize with it
|
||||
sync_recv();
|
||||
|
||||
matrix_row_t checksum_computed = 0;
|
||||
// receive data from the slave
|
||||
for (int i = 0; i < SERIAL_SLAVE_BUFFER_LENGTH; ++i) {
|
||||
serial_slave_buffer[i] = serial_read_byte();
|
||||
sync_recv();
|
||||
checksum_computed += ROW_MASK & serial_slave_buffer[i];
|
||||
}
|
||||
matrix_row_t checksum_received = serial_read_byte();
|
||||
sync_recv();
|
||||
|
||||
if (checksum_computed != checksum_received) {
|
||||
sei();
|
||||
return 1;
|
||||
}
|
||||
|
||||
matrix_row_t checksum = 0;
|
||||
// send data to the slave
|
||||
for (int i = 0; i < SERIAL_MASTER_BUFFER_LENGTH; ++i) {
|
||||
serial_write_byte(serial_master_buffer[i]);
|
||||
sync_recv();
|
||||
checksum += ROW_MASK & serial_master_buffer[i];
|
||||
}
|
||||
serial_write_byte(checksum);
|
||||
sync_recv();
|
||||
|
||||
// always, release the line when not in use
|
||||
serial_output();
|
||||
serial_high();
|
||||
|
||||
sei();
|
||||
return 0;
|
||||
}
|
||||
|
||||
#endif
|
||||
@ -0,0 +1,27 @@
|
||||
#ifndef MY_SERIAL_H
|
||||
#define MY_SERIAL_H
|
||||
|
||||
#include "config.h"
|
||||
#include "matrix.h"
|
||||
#include <stdbool.h>
|
||||
|
||||
/* TODO: some defines for interrupt setup */
|
||||
#define SERIAL_PIN_DDR DDRD
|
||||
#define SERIAL_PIN_PORT PORTD
|
||||
#define SERIAL_PIN_INPUT PIND
|
||||
#define SERIAL_PIN_MASK _BV(PD0)
|
||||
#define SERIAL_PIN_INTERRUPT INT0_vect
|
||||
|
||||
#define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2
|
||||
#define SERIAL_MASTER_BUFFER_LENGTH 1
|
||||
|
||||
// Buffers for master - slave communication
|
||||
extern volatile matrix_row_t serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH];
|
||||
extern volatile matrix_row_t serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH];
|
||||
|
||||
void serial_master_init(void);
|
||||
void serial_slave_init(void);
|
||||
int serial_update_buffers(void);
|
||||
bool serial_slave_data_corrupt(void);
|
||||
|
||||
#endif
|
||||
@ -0,0 +1,86 @@
|
||||
#include <avr/io.h>
|
||||
#include <avr/wdt.h>
|
||||
#include <avr/power.h>
|
||||
#include <avr/interrupt.h>
|
||||
#include <util/delay.h>
|
||||
#include <avr/eeprom.h>
|
||||
#include "split_util.h"
|
||||
#include "matrix.h"
|
||||
#include "keyboard.h"
|
||||
#include "config.h"
|
||||
#include "timer.h"
|
||||
|
||||
#ifdef USE_I2C
|
||||
# include "i2c.h"
|
||||
#else
|
||||
# include "serial.h"
|
||||
#endif
|
||||
|
||||
volatile bool isLeftHand = true;
|
||||
|
||||
static void setup_handedness(void) {
|
||||
#ifdef EE_HANDS
|
||||
isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS);
|
||||
#else
|
||||
// I2C_MASTER_RIGHT is deprecated, use MASTER_RIGHT instead, since this works for both serial and i2c
|
||||
#if defined(I2C_MASTER_RIGHT) || defined(MASTER_RIGHT)
|
||||
isLeftHand = !has_usb();
|
||||
#else
|
||||
isLeftHand = has_usb();
|
||||
#endif
|
||||
#endif
|
||||
}
|
||||
|
||||
static void keyboard_master_setup(void) {
|
||||
#ifdef USE_I2C
|
||||
i2c_master_init();
|
||||
#ifdef SSD1306OLED
|
||||
matrix_master_OLED_init();
|
||||
#endif
|
||||
#else
|
||||
serial_master_init();
|
||||
#endif
|
||||
}
|
||||
|
||||
static void keyboard_slave_setup(void) {
|
||||
timer_init();
|
||||
#ifdef USE_I2C
|
||||
i2c_slave_init(SLAVE_I2C_ADDRESS);
|
||||
#else
|
||||
serial_slave_init();
|
||||
#endif
|
||||
}
|
||||
|
||||
bool has_usb(void) {
|
||||
USBCON |= (1 << OTGPADE); //enables VBUS pad
|
||||
_delay_us(5);
|
||||
return (USBSTA & (1<<VBUS)); //checks state of VBUS
|
||||
}
|
||||
|
||||
void split_keyboard_setup(void) {
|
||||
setup_handedness();
|
||||
|
||||
if (has_usb()) {
|
||||
keyboard_master_setup();
|
||||
} else {
|
||||
keyboard_slave_setup();
|
||||
}
|
||||
sei();
|
||||
}
|
||||
|
||||
void keyboard_slave_loop(void) {
|
||||
matrix_init();
|
||||
|
||||
while (1) {
|
||||
matrix_slave_scan();
|
||||
}
|
||||
}
|
||||
|
||||
// this code runs before the usb and keyboard is initialized
|
||||
void matrix_setup(void) {
|
||||
split_keyboard_setup();
|
||||
|
||||
if (!has_usb()) {
|
||||
keyboard_slave_loop();
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,20 @@
|
||||
#ifndef SPLIT_KEYBOARD_UTIL_H
|
||||
#define SPLIT_KEYBOARD_UTIL_H
|
||||
|
||||
#include <stdbool.h>
|
||||
#include "eeconfig.h"
|
||||
|
||||
#define SLAVE_I2C_ADDRESS 0x32
|
||||
|
||||
extern volatile bool isLeftHand;
|
||||
|
||||
// slave version of matix scan, defined in matrix.c
|
||||
void matrix_slave_scan(void);
|
||||
|
||||
void split_keyboard_setup(void);
|
||||
bool has_usb(void);
|
||||
void keyboard_slave_loop(void);
|
||||
|
||||
void matrix_master_OLED_init (void);
|
||||
|
||||
#endif
|
||||
Loading…
Reference in new issue