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.
Diff: main.cpp
- Revision:
- 0:cc2802bc7c1b
- Child:
- 2:a90c59e9bc39
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue Apr 11 12:31:47 2017 +0000 @@ -0,0 +1,49 @@ +#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); + } + } +}