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@4:7a82acfec4da, 2017-07-23 (annotated)
- Committer:
- yawstick
- Date:
- Sun Jul 23 06:36:17 2017 +0000
- Revision:
- 4:7a82acfec4da
- Parent:
- 3:a8af91804931
update... prints touch coordinates to screen in location touched
Who changed what in which revision?
User | Revision | Line number | New 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" |
yawstick | 4:7a82acfec4da | 5 | char buff[50]; |
yawstick | 3:a8af91804931 | 6 | char string(); |
jeromecoutant | 0:cc2802bc7c1b | 7 | |
yawstick | 2:a90c59e9bc39 | 8 | void mainscreen(); |
yawstick | 2:a90c59e9bc39 | 9 | void clearscreen(); |
jeromecoutant | 0:cc2802bc7c1b | 10 | TS_StateTypeDef TS_State = {0}; |
jeromecoutant | 0:cc2802bc7c1b | 11 | |
jeromecoutant | 0:cc2802bc7c1b | 12 | |
yawstick | 2:a90c59e9bc39 | 13 | int main(){ |
yawstick | 2:a90c59e9bc39 | 14 | uint16_t x1, y1; |
yawstick | 2:a90c59e9bc39 | 15 | mainscreen(); |
yawstick | 2:a90c59e9bc39 | 16 | while(1){ |
yawstick | 2:a90c59e9bc39 | 17 | BSP_TS_GetState(&TS_State); |
yawstick | 2:a90c59e9bc39 | 18 | if(TS_State.touchDetected) { /* One or dual touch have been detected */ |
yawstick | 2:a90c59e9bc39 | 19 | x1 = TS_State.touchX[0]; /* Get X and Y position of the first touch post calibrated */ |
yawstick | 2:a90c59e9bc39 | 20 | y1 = TS_State.touchY[0]; |
yawstick | 2:a90c59e9bc39 | 21 | if ((x1 > 0 & x1 < 88) & (y1 > 392 & y1 < 480)) { |
yawstick | 2:a90c59e9bc39 | 22 | clearscreen(); |
yawstick | 2:a90c59e9bc39 | 23 | } |
yawstick | 4:7a82acfec4da | 24 | BSP_LCD_SetBackColor(LCD_COLOR_WHITE); |
yawstick | 4:7a82acfec4da | 25 | BSP_LCD_SetTextColor(LCD_COLOR_BLUE); |
yawstick | 4:7a82acfec4da | 26 | BSP_LCD_SetFont(&Font16); |
yawstick | 4:7a82acfec4da | 27 | printf("Touch Detected x=%d y=%d\n\r", x1, y1); |
yawstick | 4:7a82acfec4da | 28 | sprintf(buff,"< (%d,%d)", x1, y1 ); |
yawstick | 4:7a82acfec4da | 29 | BSP_LCD_DisplayStringAt(x1, y1, (uint8_t *)buff, LEFT_MODE); |
yawstick | 4:7a82acfec4da | 30 | wait_ms(50); |
yawstick | 4:7a82acfec4da | 31 | /* BSP_LCD_DisplayStringAt(x1, y1, (uint8_t *)"< Touch Detected (x1 y1) ", LEFT_MODE); */ |
yawstick | 3:a8af91804931 | 32 | BSP_LCD_SetTextColor(LCD_COLOR_BLUE); |
yawstick | 4:7a82acfec4da | 33 | /* BSP_LCD_FillRect(x1, y1, 20, 20); */ |
yawstick | 2:a90c59e9bc39 | 34 | /* BSP_LCD_FillRect(0, 380, 100, 100); */ |
yawstick | 2:a90c59e9bc39 | 35 | } |
yawstick | 2:a90c59e9bc39 | 36 | } |
yawstick | 2:a90c59e9bc39 | 37 | } |
jeromecoutant | 0:cc2802bc7c1b | 38 | |
yawstick | 2:a90c59e9bc39 | 39 | void mainscreen() { |
yawstick | 2:a90c59e9bc39 | 40 | printf("\n\n TOUCHSCREEN EXAMPLE FOR DISCO-F769NI START:\n"); |
yawstick | 2:a90c59e9bc39 | 41 | BSP_LCD_Init(); |
jeromecoutant | 0:cc2802bc7c1b | 42 | BSP_LCD_LayerDefaultInit(0, LCD_FB_START_ADDRESS); |
jeromecoutant | 0:cc2802bc7c1b | 43 | |
jeromecoutant | 0:cc2802bc7c1b | 44 | /* Touchscreen initialization */ |
jeromecoutant | 0:cc2802bc7c1b | 45 | if (BSP_TS_Init(BSP_LCD_GetXSize(), BSP_LCD_GetYSize()) == TS_ERROR) { |
jeromecoutant | 0:cc2802bc7c1b | 46 | printf("BSP_TS_Init error\n"); |
jeromecoutant | 0:cc2802bc7c1b | 47 | } |
yawstick | 2:a90c59e9bc39 | 48 | |
yawstick | 2:a90c59e9bc39 | 49 | BSP_LCD_Clear(LCD_COLOR_WHITE); /* Clear the LCD */ |
yawstick | 2:a90c59e9bc39 | 50 | BSP_LCD_SetTextColor(LCD_COLOR_BLUE); /* Set Touchscreen Demo1 description */ |
jeromecoutant | 0:cc2802bc7c1b | 51 | BSP_LCD_FillRect(0, 0, BSP_LCD_GetXSize(), 40); |
jeromecoutant | 0:cc2802bc7c1b | 52 | BSP_LCD_SetTextColor(LCD_COLOR_WHITE); |
jeromecoutant | 0:cc2802bc7c1b | 53 | BSP_LCD_SetBackColor(LCD_COLOR_BLUE); |
jeromecoutant | 0:cc2802bc7c1b | 54 | BSP_LCD_SetFont(&Font24); |
yawstick | 2:a90c59e9bc39 | 55 | BSP_LCD_DisplayStringAt(0, 10, (uint8_t *)"Touchscreen basic example", CENTER_MODE); |
yawstick | 2:a90c59e9bc39 | 56 | BSP_LCD_SetTextColor(LCD_COLOR_BLUE); |
yawstick | 2:a90c59e9bc39 | 57 | BSP_LCD_FillRect(0, 392, 88, 88); |
yawstick | 2:a90c59e9bc39 | 58 | BSP_LCD_SetTextColor(LCD_COLOR_MAGENTA); |
yawstick | 2:a90c59e9bc39 | 59 | BSP_LCD_FillRect(0, 304, 88, 88); |
yawstick | 2:a90c59e9bc39 | 60 | BSP_LCD_SetTextColor(LCD_COLOR_RED); |
yawstick | 2:a90c59e9bc39 | 61 | BSP_LCD_FillRect(0, 216, 88, 88); |
yawstick | 2:a90c59e9bc39 | 62 | BSP_LCD_SetTextColor(LCD_COLOR_GREEN); |
yawstick | 2:a90c59e9bc39 | 63 | BSP_LCD_FillRect(0, 128, 88, 88); |
yawstick | 2:a90c59e9bc39 | 64 | BSP_LCD_SetTextColor(LCD_COLOR_YELLOW); |
yawstick | 2:a90c59e9bc39 | 65 | BSP_LCD_FillRect(0, 40, 88, 88); |
jeromecoutant | 0:cc2802bc7c1b | 66 | } |
yawstick | 2:a90c59e9bc39 | 67 | |
yawstick | 2:a90c59e9bc39 | 68 | void clearscreen() { |
yawstick | 2:a90c59e9bc39 | 69 | |
yawstick | 2:a90c59e9bc39 | 70 | BSP_LCD_SetTextColor(LCD_COLOR_WHITE); |
yawstick | 2:a90c59e9bc39 | 71 | BSP_LCD_FillRect(0, 40, 800, 480); |
yawstick | 2:a90c59e9bc39 | 72 | BSP_LCD_SetTextColor(LCD_COLOR_BLUE); |
yawstick | 2:a90c59e9bc39 | 73 | BSP_LCD_FillRect(0, 392, 88, 88); |
yawstick | 2:a90c59e9bc39 | 74 | BSP_LCD_SetTextColor(LCD_COLOR_MAGENTA); |
yawstick | 2:a90c59e9bc39 | 75 | BSP_LCD_FillRect(0, 304, 88, 88); |
yawstick | 2:a90c59e9bc39 | 76 | BSP_LCD_SetTextColor(LCD_COLOR_RED); |
yawstick | 2:a90c59e9bc39 | 77 | BSP_LCD_FillRect(0, 216, 88, 88); |
yawstick | 2:a90c59e9bc39 | 78 | BSP_LCD_SetTextColor(LCD_COLOR_GREEN); |
yawstick | 2:a90c59e9bc39 | 79 | BSP_LCD_FillRect(0, 128, 88, 88); |
yawstick | 3:a8af91804931 | 80 | BSP_LCD_SetTextColor(LCD_COLOR_YELLOW); |
yawstick | 2:a90c59e9bc39 | 81 | BSP_LCD_FillRect(0, 40, 88, 88); |
yawstick | 3:a8af91804931 | 82 | BSP_LCD_SetBackColor(LCD_COLOR_BLUE); |
yawstick | 3:a8af91804931 | 83 | BSP_LCD_SetFont(&Font24); |
yawstick | 2:a90c59e9bc39 | 84 | BSP_LCD_SetTextColor(LCD_COLOR_WHITE); |
yawstick | 2:a90c59e9bc39 | 85 | BSP_LCD_DisplayStringAt(0, 10, (uint8_t *)"Touchscreen basic example", CENTER_MODE); |
yawstick | 3:a8af91804931 | 86 | wait_ms(250); |
yawstick | 2:a90c59e9bc39 | 87 | |
yawstick | 2:a90c59e9bc39 | 88 | } |