Basic demo showing how to use the touch screen present on the DISCO_F746NG board

Dependencies:   BSP_DISCO_F746NG

Touch screen example

Revision:
3:9f66aabe7b3b
Parent:
0:9933f7db9a9b
--- a/main.cpp	Wed Jun 07 09:31:50 2017 +0200
+++ b/main.cpp	Wed Nov 20 11:49:15 2019 +0100
@@ -1,9 +1,6 @@
 #include "mbed.h"
-#include "TS_DISCO_F746NG.h"
-#include "LCD_DISCO_F746NG.h"
-
-LCD_DISCO_F746NG lcd;
-TS_DISCO_F746NG ts;
+#include "stm32746g_discovery_lcd.h"
+#include "stm32746g_discovery_ts.h"
 
 int main()
 {
@@ -15,35 +12,39 @@
     uint8_t cleared = 0;
     uint8_t prev_nb_touches = 0;
 
-    lcd.DisplayStringAt(0, LINE(5), (uint8_t *)"TOUCHSCREEN DEMO", CENTER_MODE);
-    wait(1);
+    BSP_LCD_Init();
+    BSP_LCD_LayerDefaultInit(LTDC_ACTIVE_LAYER, LCD_FB_START_ADDRESS);
+    BSP_LCD_SelectLayer(LTDC_ACTIVE_LAYER);
 
-    status = ts.Init(lcd.GetXSize(), lcd.GetYSize());
+    BSP_LCD_DisplayStringAt(0, LINE(5), (uint8_t *)"TOUCHSCREEN DEMO", CENTER_MODE);
+    HAL_Delay(1000);
+
+    status = BSP_TS_Init(BSP_LCD_GetXSize(), BSP_LCD_GetYSize());
     if (status != TS_OK) {
-        lcd.Clear(LCD_COLOR_RED);
-        lcd.SetBackColor(LCD_COLOR_RED);
-        lcd.SetTextColor(LCD_COLOR_WHITE);
-        lcd.DisplayStringAt(0, LINE(5), (uint8_t *)"TOUCHSCREEN INIT FAIL", CENTER_MODE);
+        BSP_LCD_Clear(LCD_COLOR_RED);
+        BSP_LCD_SetBackColor(LCD_COLOR_RED);
+        BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
+        BSP_LCD_DisplayStringAt(0, LINE(5), (uint8_t *)"TOUCHSCREEN INIT FAIL", CENTER_MODE);
     } else {
-        lcd.Clear(LCD_COLOR_GREEN);
-        lcd.SetBackColor(LCD_COLOR_GREEN);
-        lcd.SetTextColor(LCD_COLOR_WHITE);
-        lcd.DisplayStringAt(0, LINE(5), (uint8_t *)"TOUCHSCREEN INIT OK", CENTER_MODE);
+        BSP_LCD_Clear(LCD_COLOR_GREEN);
+        BSP_LCD_SetBackColor(LCD_COLOR_GREEN);
+        BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
+        BSP_LCD_DisplayStringAt(0, LINE(5), (uint8_t *)"TOUCHSCREEN INIT OK", CENTER_MODE);
     }
 
-    wait(1);
-    lcd.SetFont(&Font12);
-    lcd.SetBackColor(LCD_COLOR_BLUE);
-    lcd.SetTextColor(LCD_COLOR_WHITE);
+    HAL_Delay(1000);
+    BSP_LCD_SetFont(&Font12);
+    BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
+    BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
 
     while(1) {
 
-        ts.GetState(&TS_State);
+        BSP_TS_GetState(&TS_State);
         if (TS_State.touchDetected) {
             // Clear lines corresponding to old touches coordinates
             if (TS_State.touchDetected < prev_nb_touches) {
                 for (idx = (TS_State.touchDetected + 1); idx <= 5; idx++) {
-                    lcd.ClearStringLine(idx);
+                    BSP_LCD_ClearStringLine(idx);
                 }
             }
             prev_nb_touches = TS_State.touchDetected;
@@ -51,21 +52,21 @@
             cleared = 0;
 
             sprintf((char*)text, "Touches: %d", TS_State.touchDetected);
-            lcd.DisplayStringAt(0, LINE(0), (uint8_t *)&text, LEFT_MODE);
+            BSP_LCD_DisplayStringAt(0, LINE(0), (uint8_t *)&text, LEFT_MODE);
 
             for (idx = 0; idx < TS_State.touchDetected; idx++) {
                 x = TS_State.touchX[idx];
                 y = TS_State.touchY[idx];
                 sprintf((char*)text, "Touch %d: x=%d y=%d    ", idx+1, x, y);
-                lcd.DisplayStringAt(0, LINE(idx+1), (uint8_t *)&text, LEFT_MODE);
+                BSP_LCD_DisplayStringAt(0, LINE(idx+1), (uint8_t *)&text, LEFT_MODE);
             }
 
-            lcd.DrawPixel(TS_State.touchX[0], TS_State.touchY[0], LCD_COLOR_ORANGE);
+            BSP_LCD_DrawPixel(TS_State.touchX[0], TS_State.touchY[0], LCD_COLOR_ORANGE);
         } else {
             if (!cleared) {
-                lcd.Clear(LCD_COLOR_BLUE);
+                BSP_LCD_Clear(LCD_COLOR_BLUE);
                 sprintf((char*)text, "Touches: 0");
-                lcd.DisplayStringAt(0, LINE(0), (uint8_t *)&text, LEFT_MODE);
+                BSP_LCD_DisplayStringAt(0, LINE(0), (uint8_t *)&text, LEFT_MODE);
                 cleared = 1;
             }
         }