Paul Gregg / Mbed 2 deprecated DISCO-F769NI_TOUCHSCREEN_demo_custom_1

modification of the original demo to include subroutine for clearscreen and mainscreen

Dependencies:   BSP_DISCO_F769NI mbed-rtos mbed

Fork of DISCO-F769NI_TOUCHSCREEN_demo by ST

added some code to print actual touch coordinates to the LCD screen at the touch location.

main.cpp@0:cc2802bc7c1b, 2017-04-11 (annotated)

Committer:
jeromecoutant
Date:
Tue Apr 11 12:31:47 2017 +0000
Revision:
0:cc2802bc7c1b
Child:
2:a90c59e9bc39
Touchscreen basic example for DISCO_F769NI

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jeromecoutant 0:cc2802bc7c1b 1 #include "mbed.h"
jeromecoutant 0:cc2802bc7c1b 2 #include "stm32f769i_discovery.h"
jeromecoutant 0:cc2802bc7c1b 3 #include "stm32f769i_discovery_ts.h"
jeromecoutant 0:cc2802bc7c1b 4 #include "stm32f769i_discovery_lcd.h"
jeromecoutant 0:cc2802bc7c1b 5
jeromecoutant 0:cc2802bc7c1b 6 TS_StateTypeDef TS_State = {0};
jeromecoutant 0:cc2802bc7c1b 7
jeromecoutant 0:cc2802bc7c1b 8 int main()
jeromecoutant 0:cc2802bc7c1b 9 {
jeromecoutant 0:cc2802bc7c1b 10 uint16_t x1, y1;
jeromecoutant 0:cc2802bc7c1b 11
jeromecoutant 0:cc2802bc7c1b 12 printf("\n\n TOUCHSCREEN EXAMPLE FOR DISCO-F769NI START:\n");
jeromecoutant 0:cc2802bc7c1b 13
jeromecoutant 0:cc2802bc7c1b 14 BSP_LCD_Init();
jeromecoutant 0:cc2802bc7c1b 15 BSP_LCD_LayerDefaultInit(0, LCD_FB_START_ADDRESS);
jeromecoutant 0:cc2802bc7c1b 16
jeromecoutant 0:cc2802bc7c1b 17 /* Touchscreen initialization */
jeromecoutant 0:cc2802bc7c1b 18 if (BSP_TS_Init(BSP_LCD_GetXSize(), BSP_LCD_GetYSize()) == TS_ERROR) {
jeromecoutant 0:cc2802bc7c1b 19 printf("BSP_TS_Init error\n");
jeromecoutant 0:cc2802bc7c1b 20 }
jeromecoutant 0:cc2802bc7c1b 21
jeromecoutant 0:cc2802bc7c1b 22 /* Clear the LCD */
jeromecoutant 0:cc2802bc7c1b 23 BSP_LCD_Clear(LCD_COLOR_WHITE);
jeromecoutant 0:cc2802bc7c1b 24
jeromecoutant 0:cc2802bc7c1b 25 /* Set Touchscreen Demo1 description */
jeromecoutant 0:cc2802bc7c1b 26 BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
jeromecoutant 0:cc2802bc7c1b 27 BSP_LCD_FillRect(0, 0, BSP_LCD_GetXSize(), 40);
jeromecoutant 0:cc2802bc7c1b 28 BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
jeromecoutant 0:cc2802bc7c1b 29 BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
jeromecoutant 0:cc2802bc7c1b 30 BSP_LCD_SetFont(&Font24);
jeromecoutant 0:cc2802bc7c1b 31 BSP_LCD_DisplayStringAt(0, 0, (uint8_t *)"Touchscreen basic example", CENTER_MODE);
jeromecoutant 0:cc2802bc7c1b 32
jeromecoutant 0:cc2802bc7c1b 33 while (1) {
jeromecoutant 0:cc2802bc7c1b 34 BSP_TS_GetState(&TS_State);
jeromecoutant 0:cc2802bc7c1b 35 if(TS_State.touchDetected) {
jeromecoutant 0:cc2802bc7c1b 36 /* One or dual touch have been detected */
jeromecoutant 0:cc2802bc7c1b 37
jeromecoutant 0:cc2802bc7c1b 38 /* Get X and Y position of the first touch post calibrated */
jeromecoutant 0:cc2802bc7c1b 39 x1 = TS_State.touchX[0];
jeromecoutant 0:cc2802bc7c1b 40 y1 = TS_State.touchY[0];
jeromecoutant 0:cc2802bc7c1b 41 printf("Touch Detected x=%d y=%d\n", x1, y1);
jeromecoutant 0:cc2802bc7c1b 42
jeromecoutant 0:cc2802bc7c1b 43 BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
jeromecoutant 0:cc2802bc7c1b 44 BSP_LCD_FillCircle(x1, y1, 20);
jeromecoutant 0:cc2802bc7c1b 45
jeromecoutant 0:cc2802bc7c1b 46 wait_ms(10);
jeromecoutant 0:cc2802bc7c1b 47 }
jeromecoutant 0:cc2802bc7c1b 48 }
jeromecoutant 0:cc2802bc7c1b 49 }