| /* |
| * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com> |
| * Copyright (c) 2014 Intel Corporation. |
| * |
| * Credits to Adafruit. |
| * Based on Adafruit ST7735 library, see original license in license.txt file. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining |
| * a copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sublicense, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be |
| * included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| #pragma once |
| |
| #include <string> |
| #include <mraa/aio.hpp> |
| #include <mraa/common.hpp> |
| |
| #include <mraa/gpio.hpp> |
| |
| #include <mraa/spi.hpp> |
| #include "gfx.h" |
| |
| #define INITR_GREENTAB 0x0 |
| #define INITR_REDTAB 0x1 |
| #define INITR_BLACKTAB 0x2 |
| |
| #define ST7735_TFTWIDTH 128 |
| #define ST7735_TFTHEIGHT 160 |
| |
| #define ST7735_NOP 0x00 |
| #define ST7735_SWRESET 0x01 |
| #define ST7735_RDDID 0x04 |
| #define ST7735_RDDST 0x09 |
| |
| #define ST7735_SLPIN 0x10 |
| #define ST7735_SLPOUT 0x11 |
| #define ST7735_PTLON 0x12 |
| #define ST7735_NORON 0x13 |
| |
| #define ST7735_INVOFF 0x20 |
| #define ST7735_INVON 0x21 |
| #define ST7735_DISPOFF 0x28 |
| #define ST7735_DISPON 0x29 |
| #define ST7735_CASET 0x2A |
| #define ST7735_RASET 0x2B |
| #define ST7735_RAMWR 0x2C |
| #define ST7735_RAMRD 0x2E |
| |
| #define ST7735_PTLAR 0x30 |
| #define ST7735_COLMOD 0x3A |
| #define ST7735_MADCTL 0x36 |
| |
| #define ST7735_FRMCTR1 0xB1 |
| #define ST7735_FRMCTR2 0xB2 |
| #define ST7735_FRMCTR3 0xB3 |
| #define ST7735_INVCTR 0xB4 |
| #define ST7735_DISSET5 0xB6 |
| |
| #define ST7735_PWCTR1 0xC0 |
| #define ST7735_PWCTR2 0xC1 |
| #define ST7735_PWCTR3 0xC2 |
| #define ST7735_PWCTR4 0xC3 |
| #define ST7735_PWCTR5 0xC4 |
| #define ST7735_VMCTR1 0xC5 |
| |
| #define ST7735_RDID1 0xDA |
| #define ST7735_RDID2 0xDB |
| #define ST7735_RDID3 0xDC |
| #define ST7735_RDID4 0xDD |
| |
| #define ST7735_PWCTR6 0xFC |
| |
| #define ST7735_GMCTRP1 0xE0 |
| #define ST7735_GMCTRN1 0xE1 |
| |
| // Color definitions |
| #define ST7735_BLACK 0x0000 |
| #define ST7735_BLUE 0x001F |
| #define ST7735_RED 0xF800 |
| #define ST7735_GREEN 0x07E0 |
| #define ST7735_CYAN 0x07FF |
| #define ST7735_MAGENTA 0xF81F |
| #define ST7735_YELLOW 0xFFE0 |
| #define ST7735_WHITE 0xFFFF |
| |
| #define HIGH 1 |
| #define LOW 0 |
| |
| #define DELAY 0x80 |
| |
| namespace upm { |
| |
| static const uint8_t Bcmd[] = { |
| // Initialization commands for 7735B screens |
| 18, // 18 commands in list: |
| ST7735_SWRESET, DELAY, // 1: Software reset, no args, w/delay |
| 50, // 50 ms delay |
| ST7735_SLPOUT , DELAY, // 2: Out of sleep mode, no args, w/delay |
| 255, // 255 = 500 ms delay |
| ST7735_COLMOD , 1+DELAY, // 3: Set color mode, 1 arg + delay: |
| 0x05, // 16-bit color |
| 10, // 10 ms delay |
| ST7735_FRMCTR1, 3+DELAY, // 4: Frame rate control, 3 args + delay: |
| 0x00, // fastest refresh |
| 0x06, // 6 lines front porch |
| 0x03, // 3 lines back porch |
| 10, // 10 ms delay |
| ST7735_MADCTL , 1 , // 5: Memory access ctrl (directions), 1 arg: |
| 0x08, // Row addr/col addr, bottom to top refresh |
| ST7735_DISSET5, 2 , // 6: Display settings #5, 2 args, no delay: |
| 0x15, // 1 clk cycle nonoverlap, 2 cycle gate |
| // rise, 3 cycle osc equalize |
| 0x02, // Fix on VTL |
| ST7735_INVCTR , 1 , // 7: Display inversion control, 1 arg: |
| 0x0, // Line inversion |
| ST7735_PWCTR1 , 2+DELAY, // 8: Power control, 2 args + delay: |
| 0x02, // GVDD = 4.7V |
| 0x70, // 1.0uA |
| 10, // 10 ms delay |
| ST7735_PWCTR2 , 1 , // 9: Power control, 1 arg, no delay: |
| 0x05, // VGH = 14.7V, VGL = -7.35V |
| ST7735_PWCTR3 , 2 , // 10: Power control, 2 args, no delay: |
| 0x01, // Opamp current small |
| 0x02, // Boost frequency |
| ST7735_VMCTR1 , 2+DELAY, // 11: Power control, 2 args + delay: |
| 0x3C, // VCOMH = 4V |
| 0x38, // VCOML = -1.1V |
| 10, // 10 ms delay |
| ST7735_PWCTR6 , 2 , // 12: Power control, 2 args, no delay: |
| 0x11, 0x15, |
| ST7735_GMCTRP1,16 , // 13: Magical unicorn dust, 16 args, no delay: |
| 0x09, 0x16, 0x09, 0x20, // (seriously though, not sure what |
| 0x21, 0x1B, 0x13, 0x19, // these config values represent) |
| 0x17, 0x15, 0x1E, 0x2B, |
| 0x04, 0x05, 0x02, 0x0E, |
| ST7735_GMCTRN1,16+DELAY, // 14: Sparkles and rainbows, 16 args + delay: |
| 0x0B, 0x14, 0x08, 0x1E, // (ditto) |
| 0x22, 0x1D, 0x18, 0x1E, |
| 0x1B, 0x1A, 0x24, 0x2B, |
| 0x06, 0x06, 0x02, 0x0F, |
| 10, // 10 ms delay |
| ST7735_CASET , 4 , // 15: Column addr set, 4 args, no delay: |
| 0x00, 0x02, // XSTART = 2 |
| 0x00, 0x81, // XEND = 129 |
| ST7735_RASET , 4 , // 16: Row addr set, 4 args, no delay: |
| 0x00, 0x02, // XSTART = 1 |
| 0x00, 0x81, // XEND = 160 |
| ST7735_NORON , DELAY, // 17: Normal display on, no args, w/delay |
| 10, // 10 ms delay |
| ST7735_DISPON , DELAY, // 18: Main screen turn on, no args, w/delay |
| 255 }, // 255 = 500 ms delay |
| |
| Rcmd1[] = { // Init for 7735R, part 1 (red or green tab) |
| 15, // 15 commands in list: |
| ST7735_SWRESET, DELAY, // 1: Software reset, 0 args, w/delay |
| 150, // 150 ms delay |
| ST7735_SLPOUT , DELAY, // 2: Out of sleep mode, 0 args, w/delay |
| 255, // 500 ms delay |
| ST7735_FRMCTR1, 3 , // 3: Frame rate ctrl - normal mode, 3 args: |
| 0x01, 0x2C, 0x2D, // Rate = fosc/(1x2+40) * (LINE+2C+2D) |
| ST7735_FRMCTR2, 3 , // 4: Frame rate control - idle mode, 3 args: |
| 0x01, 0x2C, 0x2D, // Rate = fosc/(1x2+40) * (LINE+2C+2D) |
| ST7735_FRMCTR3, 6 , // 5: Frame rate ctrl - partial mode, 6 args: |
| 0x01, 0x2C, 0x2D, // Dot inversion mode |
| 0x01, 0x2C, 0x2D, // Line inversion mode |
| ST7735_INVCTR , 1 , // 6: Display inversion ctrl, 1 arg, no delay: |
| 0x07, // No inversion |
| ST7735_PWCTR1 , 3 , // 7: Power control, 3 args, no delay: |
| 0xA2, |
| 0x02, // -4.6V |
| 0x84, // AUTO mode |
| ST7735_PWCTR2 , 1 , // 8: Power control, 1 arg, no delay: |
| 0xC5, // VGH25 = 2.4C VGSEL = -10 VGH = 3 * AVDD |
| ST7735_PWCTR3 , 2 , // 9: Power control, 2 args, no delay: |
| 0x0A, // Opamp current small |
| 0x00, // Boost frequency |
| ST7735_PWCTR4 , 2 , // 10: Power control, 2 args, no delay: |
| 0x8A, // BCLK/2, Opamp current small & Medium low |
| 0x2A, |
| ST7735_PWCTR5 , 2 , // 11: Power control, 2 args, no delay: |
| 0x8A, 0xEE, |
| ST7735_VMCTR1 , 1 , // 12: Power control, 1 arg, no delay: |
| 0x0E, |
| ST7735_INVOFF , 0 , // 13: Don't invert display, no args, no delay |
| ST7735_MADCTL , 1 , // 14: Memory access control (directions), 1 arg: |
| 0xC8, // row addr/col addr, bottom to top refresh |
| ST7735_COLMOD , 1 , // 15: set color mode, 1 arg, no delay: |
| 0x05 }, // 16-bit color |
| |
| Rcmd2green[] = { // Init for 7735R, part 2 (green tab only) |
| 2, // 2 commands in list: |
| ST7735_CASET , 4 , // 1: Column addr set, 4 args, no delay: |
| 0x00, 0x02, // XSTART = 0 |
| 0x00, 0x7F+0x02, // XEND = 127 |
| ST7735_RASET , 4 , // 2: Row addr set, 4 args, no delay: |
| 0x00, 0x01, // XSTART = 0 |
| 0x00, 0x9F+0x01 }, // XEND = 159 |
| Rcmd2red[] = { // Init for 7735R, part 2 (red tab only) |
| 2, // 2 commands in list: |
| ST7735_CASET , 4 , // 1: Column addr set, 4 args, no delay: |
| 0x00, 0x00, // XSTART = 0 |
| 0x00, 0x7F, // XEND = 127 |
| ST7735_RASET , 4 , // 2: Row addr set, 4 args, no delay: |
| 0x00, 0x00, // XSTART = 0 |
| 0x00, 0x9F }, // XEND = 159 |
| |
| Rcmd3[] = { // Init for 7735R, part 3 (red or green tab) |
| 4, // 4 commands in list: |
| ST7735_GMCTRP1, 16 , // 1: Magical unicorn dust, 16 args, no delay: |
| 0x02, 0x1c, 0x07, 0x12, |
| 0x37, 0x32, 0x29, 0x2d, |
| 0x29, 0x25, 0x2B, 0x39, |
| 0x00, 0x01, 0x03, 0x10, |
| ST7735_GMCTRN1, 16 , // 2: Sparkles and rainbows, 16 args, no delay: |
| 0x03, 0x1d, 0x07, 0x06, |
| 0x2E, 0x2C, 0x29, 0x2D, |
| 0x2E, 0x2E, 0x37, 0x3F, |
| 0x00, 0x00, 0x02, 0x10, |
| ST7735_NORON , DELAY, // 3: Normal display on, no args, w/delay |
| 10, // 10 ms delay |
| ST7735_DISPON , DELAY, // 4: Main screen turn on, no args w/delay |
| 100 }; // 100 ms delay |
| |
| #define swap(a, b) { int16_t t = a; a = b; b = t; } |
| |
| const unsigned char font[] = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x3E, 0x5B, 0x4F, 0x5B, 0x3E, |
| 0x3E, 0x6B, 0x4F, 0x6B, 0x3E, |
| 0x1C, 0x3E, 0x7C, 0x3E, 0x1C, |
| 0x18, 0x3C, 0x7E, 0x3C, 0x18, |
| 0x1C, 0x57, 0x7D, 0x57, 0x1C, |
| 0x1C, 0x5E, 0x7F, 0x5E, 0x1C, |
| 0x00, 0x18, 0x3C, 0x18, 0x00, |
| 0xFF, 0xE7, 0xC3, 0xE7, 0xFF, |
| 0x00, 0x18, 0x24, 0x18, 0x00, |
| 0xFF, 0xE7, 0xDB, 0xE7, 0xFF, |
| 0x30, 0x48, 0x3A, 0x06, 0x0E, |
| 0x26, 0x29, 0x79, 0x29, 0x26, |
| 0x40, 0x7F, 0x05, 0x05, 0x07, |
| 0x40, 0x7F, 0x05, 0x25, 0x3F, |
| 0x5A, 0x3C, 0xE7, 0x3C, 0x5A, |
| 0x7F, 0x3E, 0x1C, 0x1C, 0x08, |
| 0x08, 0x1C, 0x1C, 0x3E, 0x7F, |
| 0x14, 0x22, 0x7F, 0x22, 0x14, |
| 0x5F, 0x5F, 0x00, 0x5F, 0x5F, |
| 0x06, 0x09, 0x7F, 0x01, 0x7F, |
| 0x00, 0x66, 0x89, 0x95, 0x6A, |
| 0x60, 0x60, 0x60, 0x60, 0x60, |
| 0x94, 0xA2, 0xFF, 0xA2, 0x94, |
| 0x08, 0x04, 0x7E, 0x04, 0x08, |
| 0x10, 0x20, 0x7E, 0x20, 0x10, |
| 0x08, 0x08, 0x2A, 0x1C, 0x08, |
| 0x08, 0x1C, 0x2A, 0x08, 0x08, |
| 0x1E, 0x10, 0x10, 0x10, 0x10, |
| 0x0C, 0x1E, 0x0C, 0x1E, 0x0C, |
| 0x30, 0x38, 0x3E, 0x38, 0x30, |
| 0x06, 0x0E, 0x3E, 0x0E, 0x06, |
| 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x5F, 0x00, 0x00, |
| 0x00, 0x07, 0x00, 0x07, 0x00, |
| 0x14, 0x7F, 0x14, 0x7F, 0x14, |
| 0x24, 0x2A, 0x7F, 0x2A, 0x12, |
| 0x23, 0x13, 0x08, 0x64, 0x62, |
| 0x36, 0x49, 0x56, 0x20, 0x50, |
| 0x00, 0x08, 0x07, 0x03, 0x00, |
| 0x00, 0x1C, 0x22, 0x41, 0x00, |
| 0x00, 0x41, 0x22, 0x1C, 0x00, |
| 0x2A, 0x1C, 0x7F, 0x1C, 0x2A, |
| 0x08, 0x08, 0x3E, 0x08, 0x08, |
| 0x00, 0x80, 0x70, 0x30, 0x00, |
| 0x08, 0x08, 0x08, 0x08, 0x08, |
| 0x00, 0x00, 0x60, 0x60, 0x00, |
| 0x20, 0x10, 0x08, 0x04, 0x02, |
| 0x3E, 0x51, 0x49, 0x45, 0x3E, |
| 0x00, 0x42, 0x7F, 0x40, 0x00, |
| 0x72, 0x49, 0x49, 0x49, 0x46, |
| 0x21, 0x41, 0x49, 0x4D, 0x33, |
| 0x18, 0x14, 0x12, 0x7F, 0x10, |
| 0x27, 0x45, 0x45, 0x45, 0x39, |
| 0x3C, 0x4A, 0x49, 0x49, 0x31, |
| 0x41, 0x21, 0x11, 0x09, 0x07, |
| 0x36, 0x49, 0x49, 0x49, 0x36, |
| 0x46, 0x49, 0x49, 0x29, 0x1E, |
| 0x00, 0x00, 0x14, 0x00, 0x00, |
| 0x00, 0x40, 0x34, 0x00, 0x00, |
| 0x00, 0x08, 0x14, 0x22, 0x41, |
| 0x14, 0x14, 0x14, 0x14, 0x14, |
| 0x00, 0x41, 0x22, 0x14, 0x08, |
| 0x02, 0x01, 0x59, 0x09, 0x06, |
| 0x3E, 0x41, 0x5D, 0x59, 0x4E, |
| 0x7C, 0x12, 0x11, 0x12, 0x7C, |
| 0x7F, 0x49, 0x49, 0x49, 0x36, |
| 0x3E, 0x41, 0x41, 0x41, 0x22, |
| 0x7F, 0x41, 0x41, 0x41, 0x3E, |
| 0x7F, 0x49, 0x49, 0x49, 0x41, |
| 0x7F, 0x09, 0x09, 0x09, 0x01, |
| 0x3E, 0x41, 0x41, 0x51, 0x73, |
| 0x7F, 0x08, 0x08, 0x08, 0x7F, |
| 0x00, 0x41, 0x7F, 0x41, 0x00, |
| 0x20, 0x40, 0x41, 0x3F, 0x01, |
| 0x7F, 0x08, 0x14, 0x22, 0x41, |
| 0x7F, 0x40, 0x40, 0x40, 0x40, |
| 0x7F, 0x02, 0x1C, 0x02, 0x7F, |
| 0x7F, 0x04, 0x08, 0x10, 0x7F, |
| 0x3E, 0x41, 0x41, 0x41, 0x3E, |
| 0x7F, 0x09, 0x09, 0x09, 0x06, |
| 0x3E, 0x41, 0x51, 0x21, 0x5E, |
| 0x7F, 0x09, 0x19, 0x29, 0x46, |
| 0x26, 0x49, 0x49, 0x49, 0x32, |
| 0x03, 0x01, 0x7F, 0x01, 0x03, |
| 0x3F, 0x40, 0x40, 0x40, 0x3F, |
| 0x1F, 0x20, 0x40, 0x20, 0x1F, |
| 0x3F, 0x40, 0x38, 0x40, 0x3F, |
| 0x63, 0x14, 0x08, 0x14, 0x63, |
| 0x03, 0x04, 0x78, 0x04, 0x03, |
| 0x61, 0x59, 0x49, 0x4D, 0x43, |
| 0x00, 0x7F, 0x41, 0x41, 0x41, |
| 0x02, 0x04, 0x08, 0x10, 0x20, |
| 0x00, 0x41, 0x41, 0x41, 0x7F, |
| 0x04, 0x02, 0x01, 0x02, 0x04, |
| 0x40, 0x40, 0x40, 0x40, 0x40, |
| 0x00, 0x03, 0x07, 0x08, 0x00, |
| 0x20, 0x54, 0x54, 0x78, 0x40, |
| 0x7F, 0x28, 0x44, 0x44, 0x38, |
| 0x38, 0x44, 0x44, 0x44, 0x28, |
| 0x38, 0x44, 0x44, 0x28, 0x7F, |
| 0x38, 0x54, 0x54, 0x54, 0x18, |
| 0x00, 0x08, 0x7E, 0x09, 0x02, |
| 0x18, 0xA4, 0xA4, 0x9C, 0x78, |
| 0x7F, 0x08, 0x04, 0x04, 0x78, |
| 0x00, 0x44, 0x7D, 0x40, 0x00, |
| 0x20, 0x40, 0x40, 0x3D, 0x00, |
| 0x7F, 0x10, 0x28, 0x44, 0x00, |
| 0x00, 0x41, 0x7F, 0x40, 0x00, |
| 0x7C, 0x04, 0x78, 0x04, 0x78, |
| 0x7C, 0x08, 0x04, 0x04, 0x78, |
| 0x38, 0x44, 0x44, 0x44, 0x38, |
| 0xFC, 0x18, 0x24, 0x24, 0x18, |
| 0x18, 0x24, 0x24, 0x18, 0xFC, |
| 0x7C, 0x08, 0x04, 0x04, 0x08, |
| 0x48, 0x54, 0x54, 0x54, 0x24, |
| 0x04, 0x04, 0x3F, 0x44, 0x24, |
| 0x3C, 0x40, 0x40, 0x20, 0x7C, |
| 0x1C, 0x20, 0x40, 0x20, 0x1C, |
| 0x3C, 0x40, 0x30, 0x40, 0x3C, |
| 0x44, 0x28, 0x10, 0x28, 0x44, |
| 0x4C, 0x90, 0x90, 0x90, 0x7C, |
| 0x44, 0x64, 0x54, 0x4C, 0x44, |
| 0x00, 0x08, 0x36, 0x41, 0x00, |
| 0x00, 0x00, 0x77, 0x00, 0x00, |
| 0x00, 0x41, 0x36, 0x08, 0x00, |
| 0x02, 0x01, 0x02, 0x04, 0x02, |
| 0x3C, 0x26, 0x23, 0x26, 0x3C, |
| 0x1E, 0xA1, 0xA1, 0x61, 0x12, |
| 0x3A, 0x40, 0x40, 0x20, 0x7A, |
| 0x38, 0x54, 0x54, 0x55, 0x59, |
| 0x21, 0x55, 0x55, 0x79, 0x41, |
| 0x21, 0x54, 0x54, 0x78, 0x41, |
| 0x21, 0x55, 0x54, 0x78, 0x40, |
| 0x20, 0x54, 0x55, 0x79, 0x40, |
| 0x0C, 0x1E, 0x52, 0x72, 0x12, |
| 0x39, 0x55, 0x55, 0x55, 0x59, |
| 0x39, 0x54, 0x54, 0x54, 0x59, |
| 0x39, 0x55, 0x54, 0x54, 0x58, |
| 0x00, 0x00, 0x45, 0x7C, 0x41, |
| 0x00, 0x02, 0x45, 0x7D, 0x42, |
| 0x00, 0x01, 0x45, 0x7C, 0x40, |
| 0xF0, 0x29, 0x24, 0x29, 0xF0, |
| 0xF0, 0x28, 0x25, 0x28, 0xF0, |
| 0x7C, 0x54, 0x55, 0x45, 0x00, |
| 0x20, 0x54, 0x54, 0x7C, 0x54, |
| 0x7C, 0x0A, 0x09, 0x7F, 0x49, |
| 0x32, 0x49, 0x49, 0x49, 0x32, |
| 0x32, 0x48, 0x48, 0x48, 0x32, |
| 0x32, 0x4A, 0x48, 0x48, 0x30, |
| 0x3A, 0x41, 0x41, 0x21, 0x7A, |
| 0x3A, 0x42, 0x40, 0x20, 0x78, |
| 0x00, 0x9D, 0xA0, 0xA0, 0x7D, |
| 0x39, 0x44, 0x44, 0x44, 0x39, |
| 0x3D, 0x40, 0x40, 0x40, 0x3D, |
| 0x3C, 0x24, 0xFF, 0x24, 0x24, |
| 0x48, 0x7E, 0x49, 0x43, 0x66, |
| 0x2B, 0x2F, 0xFC, 0x2F, 0x2B, |
| 0xFF, 0x09, 0x29, 0xF6, 0x20, |
| 0xC0, 0x88, 0x7E, 0x09, 0x03, |
| 0x20, 0x54, 0x54, 0x79, 0x41, |
| 0x00, 0x00, 0x44, 0x7D, 0x41, |
| 0x30, 0x48, 0x48, 0x4A, 0x32, |
| 0x38, 0x40, 0x40, 0x22, 0x7A, |
| 0x00, 0x7A, 0x0A, 0x0A, 0x72, |
| 0x7D, 0x0D, 0x19, 0x31, 0x7D, |
| 0x26, 0x29, 0x29, 0x2F, 0x28, |
| 0x26, 0x29, 0x29, 0x29, 0x26, |
| 0x30, 0x48, 0x4D, 0x40, 0x20, |
| 0x38, 0x08, 0x08, 0x08, 0x08, |
| 0x08, 0x08, 0x08, 0x08, 0x38, |
| 0x2F, 0x10, 0xC8, 0xAC, 0xBA, |
| 0x2F, 0x10, 0x28, 0x34, 0xFA, |
| 0x00, 0x00, 0x7B, 0x00, 0x00, |
| 0x08, 0x14, 0x2A, 0x14, 0x22, |
| 0x22, 0x14, 0x2A, 0x14, 0x08, |
| 0xAA, 0x00, 0x55, 0x00, 0xAA, |
| 0xAA, 0x55, 0xAA, 0x55, 0xAA, |
| 0x00, 0x00, 0x00, 0xFF, 0x00, |
| 0x10, 0x10, 0x10, 0xFF, 0x00, |
| 0x14, 0x14, 0x14, 0xFF, 0x00, |
| 0x10, 0x10, 0xFF, 0x00, 0xFF, |
| 0x10, 0x10, 0xF0, 0x10, 0xF0, |
| 0x14, 0x14, 0x14, 0xFC, 0x00, |
| 0x14, 0x14, 0xF7, 0x00, 0xFF, |
| 0x00, 0x00, 0xFF, 0x00, 0xFF, |
| 0x14, 0x14, 0xF4, 0x04, 0xFC, |
| 0x14, 0x14, 0x17, 0x10, 0x1F, |
| 0x10, 0x10, 0x1F, 0x10, 0x1F, |
| 0x14, 0x14, 0x14, 0x1F, 0x00, |
| 0x10, 0x10, 0x10, 0xF0, 0x00, |
| 0x00, 0x00, 0x00, 0x1F, 0x10, |
| 0x10, 0x10, 0x10, 0x1F, 0x10, |
| 0x10, 0x10, 0x10, 0xF0, 0x10, |
| 0x00, 0x00, 0x00, 0xFF, 0x10, |
| 0x10, 0x10, 0x10, 0x10, 0x10, |
| 0x10, 0x10, 0x10, 0xFF, 0x10, |
| 0x00, 0x00, 0x00, 0xFF, 0x14, |
| 0x00, 0x00, 0xFF, 0x00, 0xFF, |
| 0x00, 0x00, 0x1F, 0x10, 0x17, |
| 0x00, 0x00, 0xFC, 0x04, 0xF4, |
| 0x14, 0x14, 0x17, 0x10, 0x17, |
| 0x14, 0x14, 0xF4, 0x04, 0xF4, |
| 0x00, 0x00, 0xFF, 0x00, 0xF7, |
| 0x14, 0x14, 0x14, 0x14, 0x14, |
| 0x14, 0x14, 0xF7, 0x00, 0xF7, |
| 0x14, 0x14, 0x14, 0x17, 0x14, |
| 0x10, 0x10, 0x1F, 0x10, 0x1F, |
| 0x14, 0x14, 0x14, 0xF4, 0x14, |
| 0x10, 0x10, 0xF0, 0x10, 0xF0, |
| 0x00, 0x00, 0x1F, 0x10, 0x1F, |
| 0x00, 0x00, 0x00, 0x1F, 0x14, |
| 0x00, 0x00, 0x00, 0xFC, 0x14, |
| 0x00, 0x00, 0xF0, 0x10, 0xF0, |
| 0x10, 0x10, 0xFF, 0x10, 0xFF, |
| 0x14, 0x14, 0x14, 0xFF, 0x14, |
| 0x10, 0x10, 0x10, 0x1F, 0x00, |
| 0x00, 0x00, 0x00, 0xF0, 0x10, |
| 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
| 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, |
| 0xFF, 0xFF, 0xFF, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0xFF, 0xFF, |
| 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, |
| 0x38, 0x44, 0x44, 0x38, 0x44, |
| 0x7C, 0x2A, 0x2A, 0x3E, 0x14, |
| 0x7E, 0x02, 0x02, 0x06, 0x06, |
| 0x02, 0x7E, 0x02, 0x7E, 0x02, |
| 0x63, 0x55, 0x49, 0x41, 0x63, |
| 0x38, 0x44, 0x44, 0x3C, 0x04, |
| 0x40, 0x7E, 0x20, 0x1E, 0x20, |
| 0x06, 0x02, 0x7E, 0x02, 0x02, |
| 0x99, 0xA5, 0xE7, 0xA5, 0x99, |
| 0x1C, 0x2A, 0x49, 0x2A, 0x1C, |
| 0x4C, 0x72, 0x01, 0x72, 0x4C, |
| 0x30, 0x4A, 0x4D, 0x4D, 0x30, |
| 0x30, 0x48, 0x78, 0x48, 0x30, |
| 0xBC, 0x62, 0x5A, 0x46, 0x3D, |
| 0x3E, 0x49, 0x49, 0x49, 0x00, |
| 0x7E, 0x01, 0x01, 0x01, 0x7E, |
| 0x2A, 0x2A, 0x2A, 0x2A, 0x2A, |
| 0x44, 0x44, 0x5F, 0x44, 0x44, |
| 0x40, 0x51, 0x4A, 0x44, 0x40, |
| 0x40, 0x44, 0x4A, 0x51, 0x40, |
| 0x00, 0x00, 0xFF, 0x01, 0x03, |
| 0xE0, 0x80, 0xFF, 0x00, 0x00, |
| 0x08, 0x08, 0x6B, 0x6B, 0x08, |
| 0x36, 0x12, 0x36, 0x24, 0x36, |
| 0x06, 0x0F, 0x09, 0x0F, 0x06, |
| 0x00, 0x00, 0x18, 0x18, 0x00, |
| 0x00, 0x00, 0x10, 0x10, 0x00, |
| 0x30, 0x40, 0xFF, 0x01, 0x01, |
| 0x00, 0x1F, 0x01, 0x01, 0x1E, |
| 0x00, 0x19, 0x1D, 0x17, 0x12, |
| 0x00, 0x3C, 0x3C, 0x3C, 0x3C, |
| 0x00, 0x00, 0x00, 0x00, 0x00 |
| }; |
| |
| /** |
| * @brief ST7735 LCD library |
| * @defgroup st7735 libupm-st7735 |
| * @ingroup adafruit spi display |
| */ |
| /** |
| * @library st7735 |
| * @sensor st7735 |
| * @comname ST7735 LCD |
| * @type display |
| * @man adafruit |
| * @web http://www.adafruit.com/product/358 |
| * @con spi |
| * |
| * @brief API for the ST7735 LCD |
| * |
| * This module defines the interface for the ST7735 display library |
| * |
| * @image html st7735.jpg |
| * @snippet st7735.cxx Interesting |
| */ |
| class ST7735 : public GFX { |
| public: |
| /** |
| * Instantiates an ST7735 object |
| * |
| * @param csLCD LCD chip select pin |
| * @param cSD SD card chip select pin |
| * @param rs Data/command pin |
| * @param rst Reset pin |
| */ |
| ST7735 (uint8_t csLCD, uint8_t cSD, uint8_t rs, uint8_t rst); |
| |
| /** |
| * Returns the name of the component |
| */ |
| std::string name() |
| { |
| return m_name; |
| } |
| |
| /** |
| * Initializes the module GPIOs |
| */ |
| void initModule (); |
| |
| /** |
| * Configures the chip via the SPI |
| */ |
| void configModule (); |
| |
| /** |
| * Sends a command to an SPI bus (rs must be LOW) |
| * |
| * @param value Command number |
| */ |
| void write (uint8_t value); |
| |
| /** |
| * Sends data to an SPI bus (rs must be HIGH) |
| * |
| * @param value Command number |
| */ |
| void data (uint8_t value); |
| |
| /** |
| * Executes a set of commands and data |
| * |
| * @param addr Pointer to the start of the commands/data section |
| */ |
| void executeCMDList (const uint8_t *addr); |
| |
| /** |
| * Sets the window size inside the screen where pixels data |
| * is written. |
| * |
| * @param x0 First coordinate |
| * @param y0 First coordinate |
| * @param x1 Second coordinate |
| * @param y1 Second coordinate |
| */ |
| void setAddrWindow (uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1); |
| |
| /** |
| * Sends a pixel color (RGB) to the chip. |
| * |
| * @param x Axis on the horizontal scale |
| * @param y Axis on the vertical scale |
| * @param color RGB (16-bit) color (R[0-4], G[5-10], B[11-15]) |
| */ |
| void drawPixel (int16_t x, int16_t y, uint16_t color); |
| |
| /** |
| * Copies the buffer to the chip via the SPI. |
| */ |
| void refresh (); |
| |
| /** |
| * LCD chip select is LOW |
| */ |
| mraa::Result lcdCSOn (); |
| |
| /** |
| * LCD chip select is HIGH |
| */ |
| mraa::Result lcdCSOff (); |
| |
| /** |
| * CD card chip select is LOW |
| */ |
| mraa::Result sdCSOn (); |
| |
| /** |
| * CD card select is HIGH |
| */ |
| mraa::Result sdCSOff (); |
| |
| /** |
| * Data select is HIGH |
| */ |
| mraa::Result rsHIGH (); |
| |
| /** |
| * Data select is LOW |
| */ |
| mraa::Result rsLOW (); |
| |
| uint8_t m_map[160 * 128 * 2]; /**< Screens buffer */ |
| private: |
| mraa::Spi m_spi; |
| uint8_t m_spiBuffer[32]; |
| |
| mraa::Gpio m_csLCDPinCtx; |
| mraa::Gpio m_cSDPinCtx; |
| mraa::Gpio m_rSTPinCtx; |
| mraa::Gpio m_rSPinCtx; |
| |
| std::string m_name; |
| }; |
| |
| } |