/** * 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 "../../inc/MarlinConfig.h" #if !( defined(DOGLCD_SCK) && DOGLCD_SCK >= 0 \ && defined(DOGLCD_MOSI) && DOGLCD_MOSI >= 0 \ && defined(DOGLCD_CS) && DOGLCD_CS >= 0 \ && defined(DOGLCD_A0) && DOGLCD_A0 >= 0 ) #error "DOGLCD_SCK, DOGLCD_MOSI, DOGLCD_CS, and DOGLCD_A0 are required for VIKI." #endif #define ST7565_CLK_PIN DOGLCD_SCK #define ST7565_DAT_PIN DOGLCD_MOSI #define ST7565_CS_PIN DOGLCD_CS #define ST7565_A0_PIN DOGLCD_A0 #include #define WIDTH 128 #define 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 (MOTHERBOARD == BOARD_3DRAG) || (MOTHERBOARD == BOARD_K8200) || (MOTHERBOARD == BOARD_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 (MOTHERBOARD == BOARD_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 (MOTHERBOARD == BOARD_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 #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 } #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() do{ WRITE(ST7565_CS_PIN, HIGH); U8G_DELAY; }while(0) #define ST7565_NCS() WRITE(ST7565_CS_PIN, LOW) #define ST7565_A0() do{ WRITE(ST7565_A0_PIN, HIGH); U8G_DELAY; }while(0) #define ST7565_NA0() WRITE(ST7565_A0_PIN, LOW) #define ST7565_WRITE_BYTE(a) do{ ST7565_SWSPI_SND_8BIT((uint8_t)a); U8G_DELAY; }while(0) #define ST7560_WriteSequence(count, pointer) do{ uint8_t *ptr = pointer; for (uint8_t i = 0; i < count; ++i) { ST7565_SWSPI_SND_8BIT(*ptr++); } DELAY_10US; }while(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); OUT_WRITE(ST7565_DAT_PIN, LOW); OUT_WRITE(ST7565_CLK_PIN, LOW); OUT_WRITE(ST7565_A0_PIN, LOW); ST7565_CS(); // disable chip ST7565_NA0(); // instruction mode ST7565_NCS(); // enable chip ST7565_WRITE_BYTE(0xA2); // 0xA2: LCD bias 1/9 (according to Displaytech 64128N datasheet) ST7565_WRITE_BYTE(0xA0); // Normal ADC Select (according to Displaytech 64128N datasheet) ST7565_WRITE_BYTE(0xC8); // common output mode: set scan direction normal operation/SHL Select; 0xC0 --> SHL = 0; normal; 0xC8 --> SHL = 1 ST7565_WRITE_BYTE(0x40); // Display start line for Displaytech 64128N ST7565_WRITE_BYTE(0x28 | 0x04); // power control: turn on voltage converter //U8G_ESC_DLY(50); // delay 50 ms - hangs after a reset if used ST7565_WRITE_BYTE(0x28 | 0x06); // power control: turn on voltage regulator //U8G_ESC_DLY(50); // delay 50 ms - hangs after a reset if used ST7565_WRITE_BYTE(0x28 | 0x07); // power control: turn on voltage follower //U8G_ESC_DLY(50); // delay 50 ms - hangs after a reset if used ST7565_WRITE_BYTE(0x10); // Set V0 voltage resistor ratio. Setting for controlling brightness of Displaytech 64128N ST7565_WRITE_BYTE(0xA6); // display normal, bit val 0: LCD pixel off. ST7565_WRITE_BYTE(0x81); // set contrast ST7565_WRITE_BYTE(0x1E); // Contrast value. Setting for controlling brightness of Displaytech 64128N ST7565_WRITE_BYTE(0xAF); // display on U8G_ESC_DLY(100); // delay 100 ms ST7565_WRITE_BYTE(0xA5); // display all points; ST7565 U8G_ESC_DLY(100); // delay 100 ms U8G_ESC_DLY(100); // delay 100 ms ST7565_WRITE_BYTE(0xA4); // 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(0x10); // set upper 4 bit of the col adr to 0x10 ST7565_WRITE_BYTE(0x00); // set lower 4 bit of the col adr to 0x00. Changed for DisplayTech 64128N // end of sequence ST7565_WRITE_BYTE(0xB0 | (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(0x10); // set upper 4 bit of the col adr to 0x10 ST7565_WRITE_BYTE(0x00); // set lower 4 bit of the col adr to 0x00. Changed for DisplayTech 64128N // end of sequence ST7565_WRITE_BYTE(0xB0 | (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(0x81); 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(0xAC); // static indicator off ST7565_WRITE_BYTE(0x00); // indicator register set (not sure if this is required) ST7565_WRITE_BYTE(0xAE); // display off ST7565_WRITE_BYTE(0xA5); // 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(0xA4); // all points off ST7565_WRITE_BYTE(0xAF); // 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[WIDTH*2] U8G_NOCOMMON; u8g_pb_t u8g_dev_st7565_64128n_2x_VIKI_pb = { { 16, HEIGHT, 0, 0, 0 }, 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