Yves Roy
/
Semaine3_Lab1_A_247_637
Cegep Limoilou: 247-636
main.cpp@0:e2e3599e7dba, 2021-09-10 (annotated)
- Committer:
- YROY2004
- Date:
- Fri Sep 10 10:49:37 2021 +0000
- Revision:
- 0:e2e3599e7dba
Draws colored rectangles on a low cost TFT touchscreen that connects to Arduino compatible headers.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
YROY2004 | 0:e2e3599e7dba | 1 | #include "mbed.h" |
YROY2004 | 0:e2e3599e7dba | 2 | |
YROY2004 | 0:e2e3599e7dba | 3 | #define TFTWIDTH 240 |
YROY2004 | 0:e2e3599e7dba | 4 | #define TFTHEIGHT 320 |
YROY2004 | 0:e2e3599e7dba | 5 | |
YROY2004 | 0:e2e3599e7dba | 6 | #define TFT_NORTH {SPFD5408_MADCTL_MY | SPFD5408_MADCTL_BGR} |
YROY2004 | 0:e2e3599e7dba | 7 | #define TFT_EAST {SPFD5408_MADCTL_MX | SPFD5408_MADCTL_MY | SPFD5408_MADCTL_MV | SPFD5408_MADCTL_BGR} |
YROY2004 | 0:e2e3599e7dba | 8 | #define TFT_SOUTH {SPFD5408_MADCTL_MX | SPFD5408_MADCTL_BGR} |
YROY2004 | 0:e2e3599e7dba | 9 | #define TFT_WEST {SPFD5408_MADCTL_MV | SPFD5408_MADCTL_BGR} |
YROY2004 | 0:e2e3599e7dba | 10 | |
YROY2004 | 0:e2e3599e7dba | 11 | #define BLACK 0x0000 |
YROY2004 | 0:e2e3599e7dba | 12 | #define BLUE 0x001F |
YROY2004 | 0:e2e3599e7dba | 13 | #define RED 0xF800 |
YROY2004 | 0:e2e3599e7dba | 14 | #define GREEN 0x07E0 |
YROY2004 | 0:e2e3599e7dba | 15 | #define CYAN 0x07FF |
YROY2004 | 0:e2e3599e7dba | 16 | #define MAGENTA 0xF81F |
YROY2004 | 0:e2e3599e7dba | 17 | #define YELLOW 0xFFE0 |
YROY2004 | 0:e2e3599e7dba | 18 | #define WHITE 0xFFFF |
YROY2004 | 0:e2e3599e7dba | 19 | |
YROY2004 | 0:e2e3599e7dba | 20 | #define SPFD5408_SOFTRESET 0x01 |
YROY2004 | 0:e2e3599e7dba | 21 | #define SPFD5408_SLEEPIN 0x10 |
YROY2004 | 0:e2e3599e7dba | 22 | #define SPFD5408_SLEEPOUT 0x11 |
YROY2004 | 0:e2e3599e7dba | 23 | #define SPFD5408_NORMALDISP 0x13 |
YROY2004 | 0:e2e3599e7dba | 24 | #define SPFD5408_INVERTOFF 0x20 |
YROY2004 | 0:e2e3599e7dba | 25 | #define SPFD5408_INVERTON 0x21 |
YROY2004 | 0:e2e3599e7dba | 26 | #define SPFD5408_GAMMASET 0x26 |
YROY2004 | 0:e2e3599e7dba | 27 | #define SPFD5408_DISPLAYOFF 0x28 |
YROY2004 | 0:e2e3599e7dba | 28 | #define SPFD5408_DISPLAYON 0x29 |
YROY2004 | 0:e2e3599e7dba | 29 | #define SPFD5408_COLADDRSET 0x2A |
YROY2004 | 0:e2e3599e7dba | 30 | #define SPFD5408_PAGEADDRSET 0x2B |
YROY2004 | 0:e2e3599e7dba | 31 | #define SPFD5408_MEMORYWRITE 0x2C |
YROY2004 | 0:e2e3599e7dba | 32 | #define SPFD5408_PIXELFORMAT 0x3A |
YROY2004 | 0:e2e3599e7dba | 33 | #define SPFD5408_FRAMECONTROL 0xB1 |
YROY2004 | 0:e2e3599e7dba | 34 | #define SPFD5408_DISPLAYFUNC 0xB6 |
YROY2004 | 0:e2e3599e7dba | 35 | #define SPFD5408_ENTRYMODE 0xB7 |
YROY2004 | 0:e2e3599e7dba | 36 | #define SPFD5408_POWERCONTROL1 0xC0 |
YROY2004 | 0:e2e3599e7dba | 37 | #define SPFD5408_POWERCONTROL2 0xC1 |
YROY2004 | 0:e2e3599e7dba | 38 | #define SPFD5408_VCOMCONTROL1 0xC5 |
YROY2004 | 0:e2e3599e7dba | 39 | #define SPFD5408_VCOMCONTROL2 0xC7 |
YROY2004 | 0:e2e3599e7dba | 40 | #define SPFD5408_MEMCONTROL 0x36 |
YROY2004 | 0:e2e3599e7dba | 41 | #define SPFD5408_MADCTL 0x36 |
YROY2004 | 0:e2e3599e7dba | 42 | #define SPFD5408_MADCTL_MY 0x80 |
YROY2004 | 0:e2e3599e7dba | 43 | #define SPFD5408_MADCTL_MX 0x40 |
YROY2004 | 0:e2e3599e7dba | 44 | #define SPFD5408_MADCTL_MV 0x20 |
YROY2004 | 0:e2e3599e7dba | 45 | #define SPFD5408_MADCTL_ML 0x10 |
YROY2004 | 0:e2e3599e7dba | 46 | #define SPFD5408_MADCTL_RGB 0x00 |
YROY2004 | 0:e2e3599e7dba | 47 | #define SPFD5408_MADCTL_BGR 0x08 |
YROY2004 | 0:e2e3599e7dba | 48 | #define SPFD5408_MADCTL_MH 0x04 |
YROY2004 | 0:e2e3599e7dba | 49 | |
YROY2004 | 0:e2e3599e7dba | 50 | #define IDLE 1 |
YROY2004 | 0:e2e3599e7dba | 51 | #define ACTIVE 0 |
YROY2004 | 0:e2e3599e7dba | 52 | #define COMMAND 0 |
YROY2004 | 0:e2e3599e7dba | 53 | #define DATA 1 |
YROY2004 | 0:e2e3599e7dba | 54 | |
YROY2004 | 0:e2e3599e7dba | 55 | #define TEMPS 40 |
YROY2004 | 0:e2e3599e7dba | 56 | |
YROY2004 | 0:e2e3599e7dba | 57 | #define LCD_CS A3 |
YROY2004 | 0:e2e3599e7dba | 58 | #define LCD_CD A2 |
YROY2004 | 0:e2e3599e7dba | 59 | #define LCD_WR A1 |
YROY2004 | 0:e2e3599e7dba | 60 | #define LCD_RD A0 |
YROY2004 | 0:e2e3599e7dba | 61 | #define LCD_RESET A4 |
YROY2004 | 0:e2e3599e7dba | 62 | |
YROY2004 | 0:e2e3599e7dba | 63 | DigitalOut pinRD(LCD_RD); //PA_0; |
YROY2004 | 0:e2e3599e7dba | 64 | DigitalOut pinWR(LCD_WR); //PA_1; |
YROY2004 | 0:e2e3599e7dba | 65 | DigitalOut pinCD(LCD_CD); //PA_4; |
YROY2004 | 0:e2e3599e7dba | 66 | DigitalOut pinCS(LCD_CS); //PB_0; |
YROY2004 | 0:e2e3599e7dba | 67 | DigitalOut pinReset(LCD_RESET);//PC_1; |
YROY2004 | 0:e2e3599e7dba | 68 | |
YROY2004 | 0:e2e3599e7dba | 69 | |
YROY2004 | 0:e2e3599e7dba | 70 | BusInOut portTFT(D8, D9, D2, D3, D4, D5, D6, D7); |
YROY2004 | 0:e2e3599e7dba | 71 | |
YROY2004 | 0:e2e3599e7dba | 72 | void WriteCommand(uint8_t c) |
YROY2004 | 0:e2e3599e7dba | 73 | { |
YROY2004 | 0:e2e3599e7dba | 74 | pinCD = COMMAND; |
YROY2004 | 0:e2e3599e7dba | 75 | pinWR = ACTIVE; |
YROY2004 | 0:e2e3599e7dba | 76 | portTFT = c; |
YROY2004 | 0:e2e3599e7dba | 77 | pinWR = IDLE; |
YROY2004 | 0:e2e3599e7dba | 78 | } |
YROY2004 | 0:e2e3599e7dba | 79 | |
YROY2004 | 0:e2e3599e7dba | 80 | void WriteData(uint8_t d) |
YROY2004 | 0:e2e3599e7dba | 81 | { |
YROY2004 | 0:e2e3599e7dba | 82 | pinCD = DATA; |
YROY2004 | 0:e2e3599e7dba | 83 | wait_ms(1); |
YROY2004 | 0:e2e3599e7dba | 84 | wait_ms(1); |
YROY2004 | 0:e2e3599e7dba | 85 | pinWR = ACTIVE; |
YROY2004 | 0:e2e3599e7dba | 86 | wait_ms(1); |
YROY2004 | 0:e2e3599e7dba | 87 | portTFT = d; |
YROY2004 | 0:e2e3599e7dba | 88 | wait_ms(1); |
YROY2004 | 0:e2e3599e7dba | 89 | pinWR = IDLE; |
YROY2004 | 0:e2e3599e7dba | 90 | wait_ms(1); |
YROY2004 | 0:e2e3599e7dba | 91 | } |
YROY2004 | 0:e2e3599e7dba | 92 | |
YROY2004 | 0:e2e3599e7dba | 93 | Serial pc(SERIAL_TX, SERIAL_RX); |
YROY2004 | 0:e2e3599e7dba | 94 | |
YROY2004 | 0:e2e3599e7dba | 95 | DigitalOut myled(LED1); |
YROY2004 | 0:e2e3599e7dba | 96 | |
YROY2004 | 0:e2e3599e7dba | 97 | |
YROY2004 | 0:e2e3599e7dba | 98 | |
YROY2004 | 0:e2e3599e7dba | 99 | void begin(void) { |
YROY2004 | 0:e2e3599e7dba | 100 | |
YROY2004 | 0:e2e3599e7dba | 101 | pinCS = IDLE; |
YROY2004 | 0:e2e3599e7dba | 102 | pinCD = DATA; |
YROY2004 | 0:e2e3599e7dba | 103 | pinWR = IDLE; |
YROY2004 | 0:e2e3599e7dba | 104 | pinRD = IDLE; |
YROY2004 | 0:e2e3599e7dba | 105 | portTFT.output(); |
YROY2004 | 0:e2e3599e7dba | 106 | |
YROY2004 | 0:e2e3599e7dba | 107 | pinReset = ACTIVE; |
YROY2004 | 0:e2e3599e7dba | 108 | wait_ms(100); |
YROY2004 | 0:e2e3599e7dba | 109 | pinReset = IDLE; |
YROY2004 | 0:e2e3599e7dba | 110 | wait_ms(100); |
YROY2004 | 0:e2e3599e7dba | 111 | pinCS = ACTIVE; |
YROY2004 | 0:e2e3599e7dba | 112 | |
YROY2004 | 0:e2e3599e7dba | 113 | WriteCommand(SPFD5408_SOFTRESET); |
YROY2004 | 0:e2e3599e7dba | 114 | WriteData(0); |
YROY2004 | 0:e2e3599e7dba | 115 | wait_ms(50); |
YROY2004 | 0:e2e3599e7dba | 116 | |
YROY2004 | 0:e2e3599e7dba | 117 | WriteCommand(SPFD5408_MEMCONTROL); |
YROY2004 | 0:e2e3599e7dba | 118 | WriteData(SPFD5408_MADCTL_MY | SPFD5408_MADCTL_BGR); |
YROY2004 | 0:e2e3599e7dba | 119 | |
YROY2004 | 0:e2e3599e7dba | 120 | WriteCommand(SPFD5408_PIXELFORMAT); |
YROY2004 | 0:e2e3599e7dba | 121 | WriteData(0x55); |
YROY2004 | 0:e2e3599e7dba | 122 | |
YROY2004 | 0:e2e3599e7dba | 123 | WriteCommand(SPFD5408_FRAMECONTROL); |
YROY2004 | 0:e2e3599e7dba | 124 | WriteData(0x00); |
YROY2004 | 0:e2e3599e7dba | 125 | WriteData(0x1B); |
YROY2004 | 0:e2e3599e7dba | 126 | |
YROY2004 | 0:e2e3599e7dba | 127 | WriteCommand(SPFD5408_SLEEPOUT); |
YROY2004 | 0:e2e3599e7dba | 128 | WriteData(0); |
YROY2004 | 0:e2e3599e7dba | 129 | |
YROY2004 | 0:e2e3599e7dba | 130 | WriteCommand(SPFD5408_DISPLAYON); |
YROY2004 | 0:e2e3599e7dba | 131 | WriteData(0); |
YROY2004 | 0:e2e3599e7dba | 132 | } |
YROY2004 | 0:e2e3599e7dba | 133 | |
YROY2004 | 0:e2e3599e7dba | 134 | void setAddrWindow(int x1, int y1, int x2, int y2) { |
YROY2004 | 0:e2e3599e7dba | 135 | pinCS = ACTIVE; |
YROY2004 | 0:e2e3599e7dba | 136 | wait_us(TEMPS); |
YROY2004 | 0:e2e3599e7dba | 137 | WriteCommand(SPFD5408_COLADDRSET); |
YROY2004 | 0:e2e3599e7dba | 138 | WriteData(x1 >> 8); |
YROY2004 | 0:e2e3599e7dba | 139 | WriteData(x1); |
YROY2004 | 0:e2e3599e7dba | 140 | WriteData(x2 >> 8); |
YROY2004 | 0:e2e3599e7dba | 141 | WriteData(x2); |
YROY2004 | 0:e2e3599e7dba | 142 | wait_us(TEMPS); |
YROY2004 | 0:e2e3599e7dba | 143 | pinCS = IDLE; |
YROY2004 | 0:e2e3599e7dba | 144 | |
YROY2004 | 0:e2e3599e7dba | 145 | pinCS = ACTIVE; |
YROY2004 | 0:e2e3599e7dba | 146 | wait_us(TEMPS); |
YROY2004 | 0:e2e3599e7dba | 147 | WriteCommand(SPFD5408_PAGEADDRSET); |
YROY2004 | 0:e2e3599e7dba | 148 | WriteData(y1 >> 8); |
YROY2004 | 0:e2e3599e7dba | 149 | WriteData(y1); |
YROY2004 | 0:e2e3599e7dba | 150 | WriteData(y2 >> 8); |
YROY2004 | 0:e2e3599e7dba | 151 | WriteData(y2); |
YROY2004 | 0:e2e3599e7dba | 152 | wait_us(TEMPS); |
YROY2004 | 0:e2e3599e7dba | 153 | pinCS = IDLE; |
YROY2004 | 0:e2e3599e7dba | 154 | } |
YROY2004 | 0:e2e3599e7dba | 155 | |
YROY2004 | 0:e2e3599e7dba | 156 | |
YROY2004 | 0:e2e3599e7dba | 157 | void fillRect(uint16_t x1, uint16_t y1, uint16_t w, uint16_t h, uint16_t fillcolor) { |
YROY2004 | 0:e2e3599e7dba | 158 | uint8_t hi, lo; |
YROY2004 | 0:e2e3599e7dba | 159 | uint16_t x2, y2; |
YROY2004 | 0:e2e3599e7dba | 160 | uint16_t i, j; |
YROY2004 | 0:e2e3599e7dba | 161 | |
YROY2004 | 0:e2e3599e7dba | 162 | x2 = x1 + w - 1; |
YROY2004 | 0:e2e3599e7dba | 163 | y2 = y1 + h - 1; |
YROY2004 | 0:e2e3599e7dba | 164 | setAddrWindow(x1, y1, x2, y2); |
YROY2004 | 0:e2e3599e7dba | 165 | |
YROY2004 | 0:e2e3599e7dba | 166 | hi = fillcolor >> 8; |
YROY2004 | 0:e2e3599e7dba | 167 | lo = fillcolor; |
YROY2004 | 0:e2e3599e7dba | 168 | |
YROY2004 | 0:e2e3599e7dba | 169 | pinCS = ACTIVE; |
YROY2004 | 0:e2e3599e7dba | 170 | |
YROY2004 | 0:e2e3599e7dba | 171 | WriteCommand(SPFD5408_MEMORYWRITE); |
YROY2004 | 0:e2e3599e7dba | 172 | pinCD = DATA; |
YROY2004 | 0:e2e3599e7dba | 173 | for (i = h; i > 0; i--) |
YROY2004 | 0:e2e3599e7dba | 174 | { |
YROY2004 | 0:e2e3599e7dba | 175 | for (j = w; j > 0; j--) |
YROY2004 | 0:e2e3599e7dba | 176 | |
YROY2004 | 0:e2e3599e7dba | 177 | { |
YROY2004 | 0:e2e3599e7dba | 178 | pinWR = ACTIVE; |
YROY2004 | 0:e2e3599e7dba | 179 | portTFT = hi; |
YROY2004 | 0:e2e3599e7dba | 180 | pinWR = IDLE; |
YROY2004 | 0:e2e3599e7dba | 181 | pinWR = ACTIVE; |
YROY2004 | 0:e2e3599e7dba | 182 | portTFT = lo; |
YROY2004 | 0:e2e3599e7dba | 183 | pinWR = IDLE; |
YROY2004 | 0:e2e3599e7dba | 184 | } |
YROY2004 | 0:e2e3599e7dba | 185 | } |
YROY2004 | 0:e2e3599e7dba | 186 | pinCS = IDLE; |
YROY2004 | 0:e2e3599e7dba | 187 | } |
YROY2004 | 0:e2e3599e7dba | 188 | |
YROY2004 | 0:e2e3599e7dba | 189 | |
YROY2004 | 0:e2e3599e7dba | 190 | int main() |
YROY2004 | 0:e2e3599e7dba | 191 | { |
YROY2004 | 0:e2e3599e7dba | 192 | begin(); |
YROY2004 | 0:e2e3599e7dba | 193 | fillRect(0, 0, 240, 320, BLACK); |
YROY2004 | 0:e2e3599e7dba | 194 | fillRect(75, 100, 100, 150, RED); |
YROY2004 | 0:e2e3599e7dba | 195 | fillRect(80, 105, 90, 140, YELLOW); |
YROY2004 | 0:e2e3599e7dba | 196 | |
YROY2004 | 0:e2e3599e7dba | 197 | while(1) |
YROY2004 | 0:e2e3599e7dba | 198 | { |
YROY2004 | 0:e2e3599e7dba | 199 | } |
YROY2004 | 0:e2e3599e7dba | 200 | } |
YROY2004 | 0:e2e3599e7dba | 201 | |
YROY2004 | 0:e2e3599e7dba | 202 |