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Diffstat (limited to 'Marlin/src/lcd/tft_io/st7796s.h')
| -rw-r--r-- | Marlin/src/lcd/tft_io/st7796s.h | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/Marlin/src/lcd/tft_io/st7796s.h b/Marlin/src/lcd/tft_io/st7796s.h new file mode 100644 index 0000000..8653a49 --- /dev/null +++ b/Marlin/src/lcd/tft_io/st7796s.h @@ -0,0 +1,183 @@ +/** + * 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 <https://www.gnu.org/licenses/>. + * + */ +#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, + + ESC_REG(ST7796S_NORON), + 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 +}; + +static const uint16_t lerdge_st7796s_init[] = { + DATASIZE_8BIT, + 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(0xC3), 0x0009, // Register not documented in datasheet + 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, + + ESC_REG(ST7796S_INVON), // Display inversion ON + 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 +}; |