/** * 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 . * */ #pragma once #include "tft_io.h" #include "../../inc/MarlinConfig.h" #define ST7796S_MADCTL_MY 0x80 // Row Address Order #define ST7796S_MADCTL_MX 0x40 // Column Address Order #define ST7796S_MADCTL_MV 0x20 // Row/Column Exchange #define ST7796S_MADCTL_ML 0x10 // Vertical Refresh Order #define ST7796S_MADCTL_BGR 0x08 // RGB-BGR ORDER #define ST7796S_MADCTL_RGB 0x00 #define ST7796S_MADCTL_MH 0x04 // Horizontal Refresh Order #define ST7796S_ORIENTATION IF_0((TFT_ORIENTATION) & TFT_EXCHANGE_XY, ST7796S_MADCTL_MV) | \ IF_0((TFT_ORIENTATION) & TFT_INVERT_X, ST7796S_MADCTL_MX) | \ IF_0((TFT_ORIENTATION) & TFT_INVERT_Y, ST7796S_MADCTL_MY) #if !defined(TFT_COLOR) || TFT_COLOR == TFT_COLOR_BGR #define ST7796S_COLOR ST7796S_MADCTL_BGR #elif TFT_COLOR == TFT_COLOR_RGB #define ST7796S_COLOR ST7796S_MADCTL_RGB #endif #define ST7796S_MADCTL_DATA (ST7796S_ORIENTATION) | (ST7796S_COLOR) #define ST7796S_NOP 0x00 // No Operation #define ST7796S_SWRESET 0x01 // Software reset #define ST7796S_RDDID 0x04 // Read Display ID #define ST7796S_RDNUMED 0x05 // Read Number of the Errors on DSI #define ST7796S_RDDST 0x09 // Read Display Status #define ST7796S_RDDPM 0x0A // Read Display Power Mode #define ST7796S_RDDMADCTL 0x0B // Read Display MADCTL #define ST7796S_RDDCOLMOD 0x0C // Read Display Pixel Format #define ST7796S_RDDIM 0x0D // Read Display Image Mode #define ST7796S_RDDSM 0x0E // Read Display Signal Status #define ST7796S_RDDSDR 0x0F // Read Display Self-Diagnostic Result #define ST7796S_SLPIN 0x10 // Sleep In #define ST7796S_SLPOUT 0x11 // Sleep Out #define ST7796S_PTLON 0x12 // Partial Display Mode On #define ST7796S_NORON 0x13 // Normal Display Mode On #define ST7796S_INVOFF 0x20 // Display Inversion Off #define ST7796S_INVON 0x21 // Display Inversion On #define ST7796S_DISPOFF 0x28 // Display Off #define ST7796S_DISPON 0x29 // Display On #define ST7796S_CASET 0x2A // Column Address Set #define ST7796S_RASET 0x2B // Row Address Set #define ST7796S_RAMWR 0x2C // Memory Write #define ST7796S_RAMRD 0x2E // Memory Read #define ST7796S_PTLAR 0x30 // Partial Area #define ST7796S_VSCRDEF 0x33 // Vertical Scrolling Definition #define ST7796S_TEOFF 0x34 // Tearing Effect Line OFF #define ST7796S_TEON 0x35 // Tearing Effect Line On #define ST7796S_MADCTL 0x36 // Memory Data Access Control #define ST7796S_VSCSAD 0x37 // Vertical Scroll Start Address of RAM #define ST7796S_IDMOFF 0x38 // Idle Mode Off #define ST7796S_IDMON 0x39 // Idle Mode On #define ST7796S_COLMOD 0x3A // Interface Pixel Format #define ST7796S_WRMEMC 0x3C // Write Memory Continue #define ST7796S_RDMEMC 0x3E // Read Memory Continue #define ST7796S_STE 0x44 // Set Tear ScanLine #define ST7796S_GSCAN 0x45 // Get ScanLine #define ST7796S_WRDISBV 0x51 // Write Display Brightness #define ST7796S_RDDISBV 0x52 // Read Display Brightness Value #define ST7796S_WRCTRLD 0x53 // Write CTRL Display #define ST7796S_RDCTRLD 0x54 // Read CTRL value Display #define ST7796S_WRCABC 0x55 // Write Adaptive Brightness Control #define ST7796S_RDCABC 0x56 // Read Content Adaptive Brightness Control #define ST7796S_WRCABCMB 0x5E // Write CABC Minimum Brightness #define ST7796S_RDCABCMB 0x5F // Read CABC Minimum Brightness #define ST7796S_RDFCS 0xAA // Read First Checksum #define ST7796S_RDCFCS 0xAF // Read Continue Checksum #define ST7796S_RDID1 0xDA // Read ID1 #define ST7796S_RDID2 0xDB // Read ID2 #define ST7796S_RDID3 0xDC // Read ID3 #define ST7796S_IFMODE 0xB0 // Interface Mode Control #define ST7796S_FRMCTR1 0xB1 // Frame Rate Control (In Normal Mode/Full Colors) #define ST7796S_FRMCTR2 0xB2 // Frame Rate Control 2 (In Idle Mode/8 colors) #define ST7796S_FRMCTR3 0xB3 // Frame Rate Control 3(In Partial Mode/Full Colors) #define ST7796S_DIC 0xB4 // Display Inversion Control #define ST7796S_BPC 0xB5 // Blanking Porch Control #define ST7796S_DFC 0xB6 // Display Function Control #define ST7796S_EM 0xB7 // Entry Mode Set #define ST7796S_PWR1 0xC0 // Power Control 1 #define ST7796S_PWR2 0xC1 // Power Control 2 #define ST7796S_PWR3 0xC2 // Power Control 3 #define ST7796S_VCMPCTL 0xC5 // VCOM Control #define ST7796S_VCMOST 0xC6 // VCOM Offset Register #define ST7796S_NVMADW 0xD0 // NVM Address/Data Write #define ST7796S_NVMBPROG 0xD1 // NVM Byte Program #define ST7796S_NVMSTRD 0xD2 // NVM Status Read #define ST7796S_RDID4 0xD3 // Read ID4 #define ST7796S_PGC 0xE0 // Positive Gamma Control #define ST7796S_NGC 0xE1 // Negative Gamma Control #define ST7796S_DGC1 0xE2 // Digital Gamma Control 1 #define ST7796S_DGC2 0xE3 // Digital Gamma Control 2 #define ST7796S_DOCA 0xE8 // Display Output Ctrl Adjust #define ST7796S_CSCON 0xF0 // Command Set Control #define ST7796S_SPIRC 0xFB // SPI Read Control static const uint16_t st7796s_init[] = { DATASIZE_8BIT, ESC_REG(ST7796S_SWRESET), ESC_DELAY(100), ESC_REG(ST7796S_SLPOUT), ESC_DELAY(20), ESC_REG(ST7796S_CSCON), 0x00C3, // enable command 2 part I ESC_REG(ST7796S_CSCON), 0x0096, // enable command 2 part II ESC_REG(ST7796S_MADCTL), ST7796S_MADCTL_DATA, ESC_REG(ST7796S_COLMOD), 0x0055, ESC_REG(ST7796S_DIC), 0x0001, // 1-dot inversion ESC_REG(ST7796S_EM), 0x00C6, ESC_REG(ST7796S_PWR2), 0x0015, ESC_REG(ST7796S_PWR3), 0x00AF, ESC_REG(ST7796S_VCMPCTL), 0x0022, ESC_REG(ST7796S_VCMOST), 0x0000, ESC_REG(ST7796S_DOCA), 0x0040, 0x008A, 0x0000, 0x0000, 0x0029, 0x0019, 0x00A5, 0x0033, /* Gamma Correction. */ ESC_REG(ST7796S_PGC), 0x00F0, 0x0004, 0x0008, 0x0009, 0x0008, 0x0015, 0x002F, 0x0042, 0x0046, 0x0028, 0x0015, 0x0016, 0x0029, 0x002D, ESC_REG(ST7796S_NGC), 0x00F0, 0x0004, 0x0009, 0x0009, 0x0008, 0x0015, 0x002E, 0x0046, 0x0046, 0x0028, 0x0015, 0x0015, 0x0029, 0x002D, #if ENABLED(ST7796S_INVERTED) ESC_REG(ST7796S_INVON), // Display inversion ON #else ESC_REG(ST7796S_NORON), #endif ESC_REG(ST7796S_WRCTRLD), 0x0024, ESC_REG(ST7796S_CSCON), 0x003C, // disable command 2 part I ESC_REG(ST7796S_CSCON), 0x0069, // disable command 2 part II ESC_REG(ST7796S_DISPON), ESC_END };