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:
- yawstick
- Date:
- 2017-07-07
- Revision:
- 3:a8af91804931
- Parent:
- 2:a90c59e9bc39
- Child:
- 4:7a82acfec4da
File content as of revision 3:a8af91804931:
#include "mbed.h" #include "stm32f769i_discovery.h" #include "stm32f769i_discovery_ts.h" #include "stm32f769i_discovery_lcd.h" char string(); void mainscreen(); void clearscreen(); TS_StateTypeDef TS_State = {0}; 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]; /* string = " x1" , y1 " ; */ printf("Touch Detected x=%d y=%d\n\r", x1, y1); if ((x1 > 0 & x1 < 88) & (y1 > 392 & y1 < 480)) { clearscreen(); } BSP_LCD_SetBackColor(LCD_COLOR_WHITE); BSP_LCD_SetTextColor(LCD_COLOR_MAGENTA); BSP_LCD_SetFont(&Font16); BSP_LCD_DisplayStringAt(x1, y1, (uint8_t *)"< Touch Detected (x1 y1) ", LEFT_MODE); BSP_LCD_SetTextColor(LCD_COLOR_BLUE); BSP_LCD_FillRect(x1, y1, 20, 20); /* BSP_LCD_FillRect(0, 380, 100, 100); */ } } } 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"); } 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, 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_SetBackColor(LCD_COLOR_BLUE); BSP_LCD_SetFont(&Font24); BSP_LCD_SetTextColor(LCD_COLOR_WHITE); BSP_LCD_DisplayStringAt(0, 10, (uint8_t *)"Touchscreen basic example", CENTER_MODE); wait_ms(250); }