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:
- 2:a90c59e9bc39
- Parent:
- 0:cc2802bc7c1b
- Child:
- 3:a8af91804931
--- a/main.cpp Wed Jun 07 11:47:45 2017 +0000 +++ b/main.cpp Sat Jul 01 18:56:56 2017 +0000 @@ -2,48 +2,76 @@ #include "stm32f769i_discovery.h" #include "stm32f769i_discovery_ts.h" #include "stm32f769i_discovery_lcd.h" +/* #include "rtos.h" */ +void mainscreen(); +void clearscreen(); TS_StateTypeDef TS_State = {0}; -int main() -{ - uint16_t x1, y1; - printf("\n\n TOUCHSCREEN EXAMPLE FOR DISCO-F769NI START:\n"); +int main(){ + uint16_t x1, y1; + mainscreen(); + while(1){ + BSP_TS_GetState(&TS_State); + if(TS_State.touchDetected) { /* One or dual touch have been detected */ + x1 = TS_State.touchX[0]; /* Get X and Y position of the first touch post calibrated */ + y1 = TS_State.touchY[0]; + printf("Touch Detected x=%d y=%d\n\r", x1, y1); + if ((x1 > 0 & x1 < 88) & (y1 > 392 & y1 < 480)) { + clearscreen(); + } + BSP_LCD_SetTextColor(LCD_COLOR_BLUE); + BSP_LCD_FillRect(x1, y1, 20, 20); + /* BSP_LCD_FillRect(0, 380, 100, 100); */ + } + } +} - BSP_LCD_Init(); +void mainscreen() { + 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_Clear(LCD_COLOR_WHITE); /* Clear the LCD */ + BSP_LCD_SetTextColor(LCD_COLOR_BLUE); /* Set Touchscreen Demo1 description */ 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); - } + BSP_LCD_DisplayStringAt(0, 10, (uint8_t *)"Touchscreen basic example", CENTER_MODE); + BSP_LCD_SetTextColor(LCD_COLOR_BLUE); + BSP_LCD_FillRect(0, 392, 88, 88); + BSP_LCD_SetTextColor(LCD_COLOR_MAGENTA); + BSP_LCD_FillRect(0, 304, 88, 88); + BSP_LCD_SetTextColor(LCD_COLOR_RED); + BSP_LCD_FillRect(0, 216, 88, 88); + BSP_LCD_SetTextColor(LCD_COLOR_GREEN); + BSP_LCD_FillRect(0, 128, 88, 88); + BSP_LCD_SetTextColor(LCD_COLOR_YELLOW); + BSP_LCD_FillRect(0, 40, 88, 88); } -} + +void clearscreen() { + + BSP_LCD_SetTextColor(LCD_COLOR_WHITE); + BSP_LCD_FillRect(0, 40, 800, 480); + BSP_LCD_SetTextColor(LCD_COLOR_BLUE); + BSP_LCD_FillRect(0, 392, 88, 88); + BSP_LCD_SetTextColor(LCD_COLOR_MAGENTA); + BSP_LCD_FillRect(0, 304, 88, 88); + BSP_LCD_SetTextColor(LCD_COLOR_RED); + BSP_LCD_FillRect(0, 216, 88, 88); + BSP_LCD_SetTextColor(LCD_COLOR_GREEN); + BSP_LCD_FillRect(0, 128, 88, 88); + BSP_LCD_SetTextColor(LCD_COLOR_YELLOW); + BSP_LCD_FillRect(0, 40, 88, 88); + BSP_LCD_SetTextColor(LCD_COLOR_WHITE); + BSP_LCD_DisplayStringAt(0, 10, (uint8_t *)"Touchscreen basic example", CENTER_MODE); + + } \ No newline at end of file