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
added some code to print actual touch coordinates to the LCD screen at the touch location.
main.cpp
- Committer:
- jeromecoutant
- Date:
- 2017-04-11
- Revision:
- 0:cc2802bc7c1b
- Child:
- 2:a90c59e9bc39
File content as of revision 0:cc2802bc7c1b:
#include "mbed.h" #include "stm32f769i_discovery.h" #include "stm32f769i_discovery_ts.h" #include "stm32f769i_discovery_lcd.h" TS_StateTypeDef TS_State = {0}; int main() { uint16_t x1, y1; printf("\n\n TOUCHSCREEN EXAMPLE FOR DISCO-F769NI START:\n"); BSP_LCD_Init(); BSP_LCD_LayerDefaultInit(0, LCD_FB_START_ADDRESS); /* Touchscreen initialization */ if (BSP_TS_Init(BSP_LCD_GetXSize(), BSP_LCD_GetYSize()) == TS_ERROR) { printf("BSP_TS_Init error\n"); } /* Clear the LCD */ BSP_LCD_Clear(LCD_COLOR_WHITE); /* Set Touchscreen Demo1 description */ BSP_LCD_SetTextColor(LCD_COLOR_BLUE); BSP_LCD_FillRect(0, 0, BSP_LCD_GetXSize(), 40); BSP_LCD_SetTextColor(LCD_COLOR_WHITE); BSP_LCD_SetBackColor(LCD_COLOR_BLUE); BSP_LCD_SetFont(&Font24); BSP_LCD_DisplayStringAt(0, 0, (uint8_t *)"Touchscreen basic example", CENTER_MODE); while (1) { BSP_TS_GetState(&TS_State); if(TS_State.touchDetected) { /* One or dual touch have been detected */ /* Get X and Y position of the first touch post calibrated */ x1 = TS_State.touchX[0]; y1 = TS_State.touchY[0]; printf("Touch Detected x=%d y=%d\n", x1, y1); BSP_LCD_SetTextColor(LCD_COLOR_BLUE); BSP_LCD_FillCircle(x1, y1, 20); wait_ms(10); } } }