TFT Shield test program (ST7735) Using 1.8" Adafruit TFT Shield with Joystick and microSD v1.0 Verified by WIZwiki-W7500 platform
Dependencies: Adafruit_GFX Adafruit_ST7735 SDFileSystem mbed
main.cpp@1:a2c6c864e335, 2015-07-30 (annotated)
- Committer:
- justinkim
- Date:
- Thu Jul 30 22:59:40 2015 +0000
- Revision:
- 1:a2c6c864e335
- Parent:
- 0:e3a8eb7dada7
bug fix
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
justinkim | 0:e3a8eb7dada7 | 1 | #include "mbed.h" |
justinkim | 0:e3a8eb7dada7 | 2 | #include "Adafruit_ST7735.h" |
justinkim | 0:e3a8eb7dada7 | 3 | #include "SDFileSystem.h" |
justinkim | 0:e3a8eb7dada7 | 4 | |
justinkim | 0:e3a8eb7dada7 | 5 | #define BUTTON_NONE 0 |
justinkim | 0:e3a8eb7dada7 | 6 | #define BUTTON_DOWN 1 |
justinkim | 0:e3a8eb7dada7 | 7 | #define BUTTON_RIGHT 2 |
justinkim | 0:e3a8eb7dada7 | 8 | #define BUTTON_SELECT 3 |
justinkim | 0:e3a8eb7dada7 | 9 | #define BUTTON_UP 4 |
justinkim | 0:e3a8eb7dada7 | 10 | #define BUTTON_LEFT 5 |
justinkim | 0:e3a8eb7dada7 | 11 | |
justinkim | 0:e3a8eb7dada7 | 12 | #define BUFFPIXEL 20 |
justinkim | 0:e3a8eb7dada7 | 13 | SDFileSystem sd(PB_3, PB_2, PB_1, PB_0, "SD"); // the pinout on the mbed |
justinkim | 0:e3a8eb7dada7 | 14 | Adafruit_ST7735 tft(D11, D12, D13, D10, D8, D9); // MOSI, MISO, SCLK, SSEL, TFT_DC, TFT_RST |
justinkim | 0:e3a8eb7dada7 | 15 | AnalogIn joystick(A3); |
justinkim | 0:e3a8eb7dada7 | 16 | |
justinkim | 0:e3a8eb7dada7 | 17 | uint8_t readButton(void); |
justinkim | 0:e3a8eb7dada7 | 18 | void bmpDraw(char *filename, uint8_t x, uint8_t y); |
justinkim | 0:e3a8eb7dada7 | 19 | |
justinkim | 0:e3a8eb7dada7 | 20 | void main(void) |
justinkim | 0:e3a8eb7dada7 | 21 | { |
justinkim | 0:e3a8eb7dada7 | 22 | uint8_t buttonhistory = 0; |
justinkim | 0:e3a8eb7dada7 | 23 | |
justinkim | 0:e3a8eb7dada7 | 24 | // Initialize 1.8" TFT |
justinkim | 0:e3a8eb7dada7 | 25 | tft.initR(INITR_BLACKTAB); // initialize a ST7735S chip, black tab |
justinkim | 0:e3a8eb7dada7 | 26 | |
justinkim | 0:e3a8eb7dada7 | 27 | printf("OK!\r\n"); |
justinkim | 0:e3a8eb7dada7 | 28 | tft.fillScreen(ST7735_BLACK); |
justinkim | 0:e3a8eb7dada7 | 29 | |
justinkim | 0:e3a8eb7dada7 | 30 | while(1) |
justinkim | 0:e3a8eb7dada7 | 31 | { |
justinkim | 0:e3a8eb7dada7 | 32 | uint8_t b = readButton(); |
justinkim | 0:e3a8eb7dada7 | 33 | tft.setTextSize(3); |
justinkim | 0:e3a8eb7dada7 | 34 | if (b == BUTTON_DOWN) { |
justinkim | 0:e3a8eb7dada7 | 35 | tft.setTextColor(ST7735_RED); |
justinkim | 0:e3a8eb7dada7 | 36 | tft.setCursor(0, 10); |
justinkim | 0:e3a8eb7dada7 | 37 | tft.printf("Down "); |
justinkim | 0:e3a8eb7dada7 | 38 | buttonhistory |= 1; |
justinkim | 0:e3a8eb7dada7 | 39 | } |
justinkim | 0:e3a8eb7dada7 | 40 | if (b == BUTTON_LEFT) { |
justinkim | 0:e3a8eb7dada7 | 41 | tft.setTextColor(ST7735_YELLOW); |
justinkim | 0:e3a8eb7dada7 | 42 | tft.setCursor(0, 35); |
justinkim | 0:e3a8eb7dada7 | 43 | tft.printf("Left "); |
justinkim | 0:e3a8eb7dada7 | 44 | buttonhistory |= 2; |
justinkim | 0:e3a8eb7dada7 | 45 | } |
justinkim | 0:e3a8eb7dada7 | 46 | if (b == BUTTON_UP) { |
justinkim | 0:e3a8eb7dada7 | 47 | tft.setTextColor(ST7735_GREEN); |
justinkim | 0:e3a8eb7dada7 | 48 | tft.setCursor(0, 60); |
justinkim | 0:e3a8eb7dada7 | 49 | tft.printf("Up"); |
justinkim | 0:e3a8eb7dada7 | 50 | buttonhistory |= 4; |
justinkim | 0:e3a8eb7dada7 | 51 | } |
justinkim | 0:e3a8eb7dada7 | 52 | if (b == BUTTON_RIGHT) { |
justinkim | 0:e3a8eb7dada7 | 53 | tft.setTextColor(ST7735_BLUE); |
justinkim | 0:e3a8eb7dada7 | 54 | tft.setCursor(0, 85); |
justinkim | 0:e3a8eb7dada7 | 55 | tft.printf("Right"); |
justinkim | 0:e3a8eb7dada7 | 56 | buttonhistory |= 8; |
justinkim | 0:e3a8eb7dada7 | 57 | } |
justinkim | 0:e3a8eb7dada7 | 58 | if ((b == BUTTON_SELECT) && (buttonhistory == 0xF)) { |
justinkim | 0:e3a8eb7dada7 | 59 | tft.setTextColor(ST7735_MAGENTA); |
justinkim | 0:e3a8eb7dada7 | 60 | tft.setCursor(0, 110); |
justinkim | 0:e3a8eb7dada7 | 61 | tft.printf("SELECT"); |
justinkim | 0:e3a8eb7dada7 | 62 | buttonhistory |= 8; |
justinkim | 0:e3a8eb7dada7 | 63 | wait_ms(2000); |
justinkim | 0:e3a8eb7dada7 | 64 | printf("Initializing SD card...\r\n"); |
justinkim | 0:e3a8eb7dada7 | 65 | // if(tft.BMP_16(0, 0, "/SD/parrot.bmp")) |
justinkim | 0:e3a8eb7dada7 | 66 | printf("a\r\n"); |
justinkim | 0:e3a8eb7dada7 | 67 | tft.DrawBitmapFile("/SD/parrot.bmp"); |
justinkim | 0:e3a8eb7dada7 | 68 | // else |
justinkim | 0:e3a8eb7dada7 | 69 | printf("b\r\n"); |
justinkim | 0:e3a8eb7dada7 | 70 | } |
justinkim | 0:e3a8eb7dada7 | 71 | wait_ms(100); |
justinkim | 0:e3a8eb7dada7 | 72 | } |
justinkim | 0:e3a8eb7dada7 | 73 | } |
justinkim | 0:e3a8eb7dada7 | 74 | |
justinkim | 0:e3a8eb7dada7 | 75 | uint8_t readButton(void) { |
justinkim | 0:e3a8eb7dada7 | 76 | float a = joystick.read(); |
justinkim | 0:e3a8eb7dada7 | 77 | |
justinkim | 0:e3a8eb7dada7 | 78 | a *= 5.0; |
justinkim | 0:e3a8eb7dada7 | 79 | |
justinkim | 0:e3a8eb7dada7 | 80 | printf("Button read analog = %f\r\n",a); |
justinkim | 0:e3a8eb7dada7 | 81 | if (a < 0.2) return BUTTON_DOWN; |
justinkim | 0:e3a8eb7dada7 | 82 | if (a < 1.0) return BUTTON_RIGHT; |
justinkim | 0:e3a8eb7dada7 | 83 | if (a < 1.7) return BUTTON_SELECT; |
justinkim | 0:e3a8eb7dada7 | 84 | if (a < 2.6) return BUTTON_UP; |
justinkim | 0:e3a8eb7dada7 | 85 | if (a < 4.6) return BUTTON_LEFT; |
justinkim | 0:e3a8eb7dada7 | 86 | else return BUTTON_NONE; |
justinkim | 0:e3a8eb7dada7 | 87 | } |