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- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2019 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 <http://www.gnu.org/licenses/>.
- *
- */
-
- /**
- * Based on u8g_dev_st7920_128x64.c
- *
- * Universal 8bit Graphics Library
- *
- * Copyright (c) 2011, olikraus@gmail.com
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * * Redistributions of source code must retain the above copyright notice, this list
- * of conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above copyright notice, this
- * list of conditions and the following disclaimer in the documentation and/or other
- * materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
- #include "../../inc/MarlinConfigPre.h"
-
- #if HAS_GRAPHICAL_LCD
-
- #include "HAL_LCD_com_defines.h"
-
- #define LCD_PIXEL_WIDTH 128
- #define LCD_PIXEL_HEIGHT 64
- #define PAGE_HEIGHT 8
-
- /* init sequence from https://github.com/adafruit/ST7565-LCD/blob/master/ST7565/ST7565.cpp */
- static const uint8_t u8g_dev_st7920_128x64_HAL_init_seq[] PROGMEM = {
- U8G_ESC_CS(0), // disable chip
- U8G_ESC_ADR(0), // instruction mode
- U8G_ESC_RST(15), // do reset low pulse with (15*16)+2 milliseconds (=maximum delay)
- U8G_ESC_DLY(100), // 8 Dez 2012: additional delay 100 ms because of reset
- U8G_ESC_CS(1), // enable chip
- U8G_ESC_DLY(50), // delay 50 ms
-
- 0x038, // 8 Bit interface (DL=1), basic instruction set (RE=0)
- 0x00C, // display on, cursor & blink off; 0x08: all off
- 0x006, // Entry mode: Cursor move to right, DDRAM address counter (AC) plus 1, no shift
- 0x002, // disable scroll, enable CGRAM adress
- 0x001, // clear RAM, needs 1.6 ms
- U8G_ESC_DLY(100), // delay 100 ms
-
- U8G_ESC_CS(0), // disable chip
- U8G_ESC_END // end of sequence
- };
-
- void clear_graphics_DRAM(u8g_t *u8g, u8g_dev_t *dev) {
- u8g_SetChipSelect(u8g, dev, 1);
- u8g_Delay(1);
- u8g_SetAddress(u8g, dev, 0); // cmd mode
- u8g_WriteByte(u8g, dev, 0x08); //display off, cursor+blink off
- u8g_WriteByte(u8g, dev, 0x3E); //extended mode + GDRAM active
- for (uint8_t y = 0; y < (LCD_PIXEL_HEIGHT) / 2; y++) { //clear GDRAM
- u8g_WriteByte(u8g, dev, 0x80 | y); //set y
- u8g_WriteByte(u8g, dev, 0x80); //set x = 0
- u8g_SetAddress(u8g, dev, 1); /* data mode */
- for (uint8_t i = 0; i < 2 * (LCD_PIXEL_WIDTH) / 8; i++) //2x width clears both segments
- u8g_WriteByte(u8g, dev, 0);
- u8g_SetAddress(u8g, dev, 0); /* cmd mode */
- }
-
- u8g_WriteByte(u8g, dev, 0x0C); //display on, cursor+blink off
-
- u8g_SetChipSelect(u8g, dev, 0);
- }
-
- uint8_t u8g_dev_st7920_128x64_HAL_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) {
- switch (msg) {
- case U8G_DEV_MSG_INIT:
- u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_400NS);
- u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7920_128x64_HAL_init_seq);
- clear_graphics_DRAM(u8g, dev);
- break;
- case U8G_DEV_MSG_STOP:
- break;
- case U8G_DEV_MSG_PAGE_NEXT: {
- uint8_t y, i;
- uint8_t *ptr;
- u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
-
- u8g_SetAddress(u8g, dev, 0); /* cmd mode */
- u8g_SetChipSelect(u8g, dev, 1);
- y = pb->p.page_y0;
- ptr = (uint8_t *)pb->buf;
- for (i = 0; i < 8; i ++) {
- u8g_SetAddress(u8g, dev, 0); /* cmd mode */
- u8g_WriteByte(u8g, dev, 0x03E ); /* enable extended mode */
-
- if (y < 32) {
- u8g_WriteByte(u8g, dev, 0x080 | y ); /* y pos */
- u8g_WriteByte(u8g, dev, 0x080 ); /* set x pos to 0*/
- }
- else {
- u8g_WriteByte(u8g, dev, 0x080 | (y-32) ); /* y pos */
- u8g_WriteByte(u8g, dev, 0x080 | 8); /* set x pos to 64*/
- }
-
- u8g_SetAddress(u8g, dev, 1); /* data mode */
- u8g_WriteSequence(u8g, dev, (LCD_PIXEL_WIDTH) / 8, ptr);
- ptr += (LCD_PIXEL_WIDTH) / 8;
- y++;
- }
- u8g_SetChipSelect(u8g, dev, 0);
- }
- break;
- }
- return u8g_dev_pb8h1_base_fn(u8g, dev, msg, arg);
- }
-
- uint8_t u8g_dev_st7920_128x64_HAL_4x_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) {
- switch (msg) {
- case U8G_DEV_MSG_INIT:
- u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_400NS);
- u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7920_128x64_HAL_init_seq);
- clear_graphics_DRAM(u8g, dev);
- break;
-
- case U8G_DEV_MSG_STOP:
- break;
-
- case U8G_DEV_MSG_PAGE_NEXT: {
- uint8_t y, i;
- uint8_t *ptr;
- u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
-
- u8g_SetAddress(u8g, dev, 0); /* cmd mode */
- u8g_SetChipSelect(u8g, dev, 1);
- y = pb->p.page_y0;
- ptr = (uint8_t *)pb->buf;
- for (i = 0; i < 32; i ++) {
- u8g_SetAddress(u8g, dev, 0); /* cmd mode */
- u8g_WriteByte(u8g, dev, 0x03E ); /* enable extended mode */
-
- if (y < 32) {
- u8g_WriteByte(u8g, dev, 0x080 | y ); /* y pos */
- u8g_WriteByte(u8g, dev, 0x080 ); /* set x pos to 0*/
- }
- else {
- u8g_WriteByte(u8g, dev, 0x080 | (y-32) ); /* y pos */
- u8g_WriteByte(u8g, dev, 0x080 | 8); /* set x pos to 64*/
- }
-
- u8g_SetAddress(u8g, dev, 1); /* data mode */
- u8g_WriteSequence(u8g, dev, (LCD_PIXEL_WIDTH) / 8, ptr);
- ptr += (LCD_PIXEL_WIDTH) / 8;
- y++;
- }
- u8g_SetChipSelect(u8g, dev, 0);
- }
- break;
- }
- return u8g_dev_pb32h1_base_fn(u8g, dev, msg, arg);
- }
-
- U8G_PB_DEV(u8g_dev_st7920_128x64_HAL_sw_spi, LCD_PIXEL_WIDTH, LCD_PIXEL_HEIGHT, PAGE_HEIGHT, u8g_dev_st7920_128x64_HAL_fn, U8G_COM_ST7920_HAL_SW_SPI);
-
- #define QWIDTH ((LCD_PIXEL_WIDTH) * 4)
- uint8_t u8g_dev_st7920_128x64_HAL_4x_buf[QWIDTH] U8G_NOCOMMON ;
- u8g_pb_t u8g_dev_st7920_128x64_HAL_4x_pb = { { 32, LCD_PIXEL_HEIGHT, 0, 0, 0 }, LCD_PIXEL_WIDTH, u8g_dev_st7920_128x64_HAL_4x_buf};
- u8g_dev_t u8g_dev_st7920_128x64_HAL_4x_sw_spi = { u8g_dev_st7920_128x64_HAL_4x_fn, &u8g_dev_st7920_128x64_HAL_4x_pb, U8G_COM_ST7920_HAL_SW_SPI };
-
- U8G_PB_DEV(u8g_dev_st7920_128x64_HAL_hw_spi, LCD_PIXEL_WIDTH, LCD_PIXEL_HEIGHT, PAGE_HEIGHT, u8g_dev_st7920_128x64_HAL_fn, U8G_COM_ST7920_HAL_HW_SPI);
- u8g_dev_t u8g_dev_st7920_128x64_HAL_4x_hw_spi = { u8g_dev_st7920_128x64_HAL_4x_fn, &u8g_dev_st7920_128x64_HAL_4x_pb, U8G_COM_ST7920_HAL_HW_SPI };
-
- #if NONE(__AVR__, ARDUINO_ARCH_STM32, ARDUINO_ARCH_ESP32) || defined(U8G_HAL_LINKS)
- // Also use this device for HAL version of rrd class. This results in the same device being used
- // for the ST7920 for HAL systems no matter what is selected in ultralcd_impl_DOGM.h.
- u8g_dev_t u8g_dev_st7920_128x64_rrd_sw_spi = { u8g_dev_st7920_128x64_HAL_4x_fn, &u8g_dev_st7920_128x64_HAL_4x_pb, U8G_COM_ST7920_HAL_SW_SPI };
- #endif
-
- #endif // HAS_GRAPHICAL_LCD
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