/** * Marlin 3D Printer Firmware * Copyright (C) 2016, 2017 MarlinFirmware [https://github.com/MarlinFirmware/Marlin] * * Based on Sprinter and grbl. * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 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 . * */ #ifndef ULCDST7565_H #define ULCDST7565_H #include #define ST7565_CLK_PIN DOGLCD_SCK #define ST7565_DAT_PIN DOGLCD_MOSI #define ST7565_CS_PIN DOGLCD_CS #define ST7565_A0_PIN DOGLCD_A0 #define LCD_PIXEL_WIDTH 128 #define LCD_PIXEL_HEIGHT 64 #define PAGE_HEIGHT 8 //set optimization so ARDUINO optimizes this file #pragma GCC optimize (3) // If you want you can define your own set of delays in Configuration.h //#define ST7565_DELAY_1 DELAY_0_NOP //#define ST7565_DELAY_2 DELAY_0_NOP //#define ST7565_DELAY_3 DELAY_0_NOP /* #define ST7565_DELAY_1 u8g_10MicroDelay() #define ST7565_DELAY_2 u8g_10MicroDelay() #define ST7565_DELAY_3 u8g_10MicroDelay() */ #if F_CPU >= 20000000 #define CPU_ST7565_DELAY_1 DELAY_0_NOP #define CPU_ST7565_DELAY_2 DELAY_0_NOP #define CPU_ST7565_DELAY_3 DELAY_1_NOP #elif MB(3DRAG) || MB(K8200) || MB(K8400) #define CPU_ST7565_DELAY_1 DELAY_0_NOP #define CPU_ST7565_DELAY_2 DELAY_3_NOP #define CPU_ST7565_DELAY_3 DELAY_0_NOP #elif MB(MINIRAMBO) #define CPU_ST7565_DELAY_1 DELAY_0_NOP #define CPU_ST7565_DELAY_2 DELAY_4_NOP #define CPU_ST7565_DELAY_3 DELAY_0_NOP #elif MB(RAMBO) #define CPU_ST7565_DELAY_1 DELAY_0_NOP #define CPU_ST7565_DELAY_2 DELAY_0_NOP #define CPU_ST7565_DELAY_3 DELAY_0_NOP #elif F_CPU == 16000000 #define CPU_ST7565_DELAY_1 DELAY_0_NOP #define CPU_ST7565_DELAY_2 DELAY_0_NOP #define CPU_ST7565_DELAY_3 DELAY_1_NOP #else #error "No valid condition for delays in 'ultralcd_st7565_u8glib_VIKI.h'" #endif #ifndef ST7565_DELAY_1 #define ST7565_DELAY_1 CPU_ST7565_DELAY_1 #endif #ifndef ST7565_DELAY_2 #define ST7565_DELAY_2 CPU_ST7565_DELAY_2 #endif #ifndef ST7565_DELAY_3 #define ST7565_DELAY_3 CPU_ST7565_DELAY_3 #endif #if ENABLED(SHARED_SPI) // Re-ARM requires that the LCD and the SD card share a single SPI #define ST7565_WRITE_BYTE(a) { spiSend((uint8_t)a); U8G_DELAY(); } #define ST7560_WriteSequence(count, pointer) { uint8_t *ptr = pointer; for (uint8_t i = 0; i < count; i++) {spiSend( *ptr++);} DELAY_10US; } #else #define ST7565_SND_BIT \ WRITE(ST7565_CLK_PIN, LOW); ST7565_DELAY_1; \ WRITE(ST7565_DAT_PIN, val & 0x80); ST7565_DELAY_2; \ WRITE(ST7565_CLK_PIN, HIGH); ST7565_DELAY_3; \ WRITE(ST7565_CLK_PIN, LOW);\ val <<= 1 static void ST7565_SWSPI_SND_8BIT(uint8_t val) { ST7565_SND_BIT; // 1 ST7565_SND_BIT; // 2 ST7565_SND_BIT; // 3 ST7565_SND_BIT; // 4 ST7565_SND_BIT; // 5 ST7565_SND_BIT; // 6 ST7565_SND_BIT; // 7 ST7565_SND_BIT; // 8 } #define ST7565_WRITE_BYTE(a) { ST7565_SWSPI_SND_8BIT((uint8_t)a); U8G_DELAY(); } #define ST7560_WriteSequence(count, pointer) { uint8_t *ptr = pointer; for (uint8_t i = 0; i < count; i++) {ST7565_SWSPI_SND_8BIT( *ptr++);} DELAY_10US; } #endif #if defined(DOGM_SPI_DELAY_US) && DOGM_SPI_DELAY_US > 0 #define U8G_DELAY() delayMicroseconds(DOGM_SPI_DELAY_US) #else #define U8G_DELAY() u8g_10MicroDelay() #endif #define ST7565_CS() { WRITE(ST7565_CS_PIN,1); U8G_DELAY(); } #define ST7565_NCS() { WRITE(ST7565_CS_PIN,0); } #define ST7565_A0() { WRITE(ST7565_A0_PIN,1); U8G_DELAY(); } #define ST7565_NA0() { WRITE(ST7565_A0_PIN,0); } uint8_t u8g_dev_st7565_64128n_2x_VIKI_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) { switch (msg) { case U8G_DEV_MSG_INIT: { OUT_WRITE(ST7565_CS_PIN, LOW); #if ENABLED(SHARED_SPI) u8g_Delay(250); spiBegin(); #ifndef SPI_SPEED #define SPI_SPEED SPI_FULL_SPEED // use same SPI speed as SD card #endif spiInit(SPI_SPEED); #else OUT_WRITE(ST7565_DAT_PIN, LOW); OUT_WRITE(ST7565_CLK_PIN, LOW); #endif OUT_WRITE(ST7565_A0_PIN, LOW); ST7565_CS(); /* disable chip */ ST7565_NA0(); /* instruction mode */ ST7565_NCS(); /* enable chip */ ST7565_WRITE_BYTE(0x0A2); /* 0x0A2: LCD bias 1/9 (according to Displaytech 64128N datasheet) */ ST7565_WRITE_BYTE(0x0A0); /* Normal ADC Select (according to Displaytech 64128N datasheet) */ ST7565_WRITE_BYTE(0x0C8); /* common output mode: set scan direction normal operation/SHL Select; 0x0C0 --> SHL = 0; normal; 0x0C8 --> SHL = 1 */ ST7565_WRITE_BYTE(0x040); /* Display start line for Displaytech 64128N */ ST7565_WRITE_BYTE(0x028 | 0x04); /* power control: turn on voltage converter */ //U8G_ESC_DLY(50); /* delay 50 ms - hangs after a reset if used */ ST7565_WRITE_BYTE(0x028 | 0x06); /* power control: turn on voltage regulator */ //U8G_ESC_DLY(50); /* delay 50 ms - hangs after a reset if used */ ST7565_WRITE_BYTE(0x028 | 0x07); /* power control: turn on voltage follower */ //U8G_ESC_DLY(50); /* delay 50 ms - hangs after a reset if used */ ST7565_WRITE_BYTE(0x010); /* Set V0 voltage resistor ratio. Setting for controlling brightness of Displaytech 64128N */ ST7565_WRITE_BYTE(0x0A6); /* display normal, bit val 0: LCD pixel off. */ ST7565_WRITE_BYTE(0x081); /* set contrast */ ST7565_WRITE_BYTE(0x01E); /* Contrast value. Setting for controlling brightness of Displaytech 64128N */ ST7565_WRITE_BYTE(0x0AF); /* display on */ U8G_ESC_DLY(100); /* delay 100 ms */ ST7565_WRITE_BYTE(0x0A5); /* display all points; ST7565 */ U8G_ESC_DLY(100); /* delay 100 ms */ U8G_ESC_DLY(100); /* delay 100 ms */ ST7565_WRITE_BYTE(0x0A4); /* normal display */ ST7565_CS(); /* disable chip */ } /* end of sequence */ break; case U8G_DEV_MSG_STOP: break; case U8G_DEV_MSG_PAGE_NEXT: { u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem); ST7565_CS(); /* disable chip */ ST7565_NA0(); /* instruction mode */ ST7565_NCS(); /* enable chip */ ST7565_WRITE_BYTE(0x010); /* set upper 4 bit of the col adr to 0x10 */ ST7565_WRITE_BYTE(0x000); /* set lower 4 bit of the col adr to 0x00. Changed for DisplayTech 64128N */ /* end of sequence */ ST7565_WRITE_BYTE(0x0B0 | (2*pb->p.page));; /* select current page (ST7565R) */ ST7565_A0(); /* data mode */ ST7560_WriteSequence( (uint8_t) pb->width, (uint8_t *)pb->buf); ST7565_CS(); /* disable chip */ ST7565_NA0(); /* instruction mode */ ST7565_NCS(); /* enable chip */ ST7565_WRITE_BYTE(0x010); /* set upper 4 bit of the col adr to 0x10 */ ST7565_WRITE_BYTE(0x000); /* set lower 4 bit of the col adr to 0x00. Changed for DisplayTech 64128N */ /* end of sequence */ ST7565_WRITE_BYTE(0x0B0 | (2*pb->p.page+1)); /* select current page (ST7565R) */ ST7565_A0(); /* data mode */ ST7560_WriteSequence( (uint8_t) pb->width, (uint8_t *)(pb->buf)+pb->width); ST7565_CS(); /* disable chip */ } break; case U8G_DEV_MSG_CONTRAST: ST7565_NCS(); ST7565_NA0(); /* instruction mode */ ST7565_WRITE_BYTE(0x081); ST7565_WRITE_BYTE((*(uint8_t *)arg) >> 2); ST7565_CS(); /* disable chip */ return 1; case U8G_DEV_MSG_SLEEP_ON: ST7565_NA0(); /* instruction mode */ ST7565_NCS(); /* enable chip */ ST7565_WRITE_BYTE(0x0AC); /* static indicator off */ ST7565_WRITE_BYTE(0x000); /* indicator register set (not sure if this is required) */ ST7565_WRITE_BYTE(0x0AE); /* display off */ ST7565_WRITE_BYTE(0x0A5); /* all points on */ ST7565_CS(); /* disable chip , bugfix 12 nov 2014 */ /* end of sequence */ return 1; case U8G_DEV_MSG_SLEEP_OFF: ST7565_NA0(); /* instruction mode */ ST7565_NCS(); /* enable chip */ ST7565_WRITE_BYTE(0x0A4); /* all points off */ ST7565_WRITE_BYTE(0x0AF); /* display on */ U8G_ESC_DLY(50); /* delay 50 ms */ ST7565_CS(); /* disable chip , bugfix 12 nov 2014 */ /* end of sequence */ return 1; } return u8g_dev_pb16v1_base_fn(u8g, dev, msg, arg); } uint8_t u8g_dev_st7565_64128n_2x_VIKI_buf[LCD_PIXEL_WIDTH*2] U8G_NOCOMMON; u8g_pb_t u8g_dev_st7565_64128n_2x_VIKI_pb = {{16, LCD_PIXEL_HEIGHT, 0, 0, 0}, LCD_PIXEL_WIDTH, u8g_dev_st7565_64128n_2x_VIKI_buf}; u8g_dev_t u8g_dev_st7565_64128n_2x_VIKI_sw_spi = {u8g_dev_st7565_64128n_2x_VIKI_fn, &u8g_dev_st7565_64128n_2x_VIKI_pb, &u8g_com_null_fn}; class U8GLIB_ST7565_64128n_2x_VIKI : public U8GLIB { public: U8GLIB_ST7565_64128n_2x_VIKI(uint8_t dummy) : U8GLIB(&u8g_dev_st7565_64128n_2x_VIKI_sw_spi) { } U8GLIB_ST7565_64128n_2x_VIKI(uint8_t sck, uint8_t mosi, uint8_t cs, uint8_t a0, uint8_t reset = U8G_PIN_NONE) : U8GLIB(&u8g_dev_st7565_64128n_2x_VIKI_sw_spi) { } }; #pragma GCC reset_options #endif // ULCDST7565_H