/** * Marlin 3D Printer Firmware * Copyright (c) 2020 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 . * */ /** * 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_MARLINUI_U8GLIB && DISABLED(TFT_CLASSIC_UI) #include "HAL_LCD_com_defines.h" #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 address 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 LOOP_L_N(y, (LCD_PIXEL_HEIGHT) / 2) { //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 */ LOOP_L_N(i, 2 * (LCD_PIXEL_WIDTH) / 8) //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 marlinui_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_MARLINUI_U8GLIB