Diff: tactile.cpp

Revision:

0:8f4c0fdd288b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tactile.cpp	Wed Jun 24 16:26:23 2020 +0000
@@ -0,0 +1,158 @@
+#include "mbed.h"
+#include "stm32746g_discovery_lcd.h"
+#include "stm32746g_discovery_ts.h"
+#include "SRF05.h"
+#include "logo.h"
+
+
+
+/*
+   COULEURS CABLES
+    5V : cable bleu
+    ECHO : cable jaune
+    TRIGGER : cable marron
+    -- NO CONNEXION --
+    GND : cable marron
+*/
+
+
+SRF05 broches (PA_0, PF_9); // assignations des broches
+DigitalOut led(LED1);
+
+void drawImageLogo(int offsetX, int offsetY);
+
+int main()
+{
+    TS_StateTypeDef TS_State;
+    uint16_t x, y;
+    uint8_t text[30];
+    uint8_t status;
+    uint8_t idx;
+    uint8_t cleared = 0;
+    uint8_t prev_nb_touches = 0;
+    float mesures, milli, feet;
+
+    BSP_LCD_Init();
+    BSP_LCD_LayerDefaultInit(LTDC_ACTIVE_LAYER, LCD_FB_START_ADDRESS);
+    BSP_LCD_SelectLayer(LTDC_ACTIVE_LAYER);
+
+    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) {
+        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 {
+        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);
+    }
+
+    HAL_Delay(1000);
+    BSP_LCD_SetFont(&Font12);
+    //BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
+    BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
+    
+
+    while(1) {
+        
+         // affichage des mesures dans le LCD
+      mesures = broches.read();
+      BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
+      BSP_LCD_SetFont(&Font20);
+      sprintf((char*)text, "valeur de la distance : %5.3f cm", mesures); 
+      BSP_LCD_DisplayStringAt(0, LINE(3), (uint8_t *)&text, LEFT_MODE); 
+      led = 0;
+
+      //affichage des alertes
+      BSP_LCD_SetTextColor(LCD_COLOR_RED);
+      
+       if(mesures < 9.0){
+            BSP_LCD_SetFont(&Font16);
+            sprintf((char*)text, "ATTENTION, RISQUE DE COLUSION");
+            BSP_LCD_DisplayStringAt(0, LINE(9), (uint8_t *)&text, CENTER_MODE);
+            led = 1; // allume la led
+        }else if (mesures > 25.0) {
+            BSP_LCD_SetFont(&Font16);
+            sprintf((char*)text, "ATTENTION, ELOIGNEMENT       ");
+            BSP_LCD_DisplayStringAt(0, LINE(9), (uint8_t *)&text, CENTER_MODE);
+        }else{
+            BSP_LCD_SetFont(&Font16);
+            sprintf((char*)text, "TOUT VA BIEN                 ");
+            BSP_LCD_DisplayStringAt(0, LINE(9), (uint8_t *)&text, CENTER_MODE);
+            
+            }
+          
+          
+        BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
+        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++) {
+                    BSP_LCD_ClearStringLine(idx);
+                }
+            }
+            prev_nb_touches = TS_State.touchDetected;
+
+            cleared = 0;
+
+            sprintf((char*)text, "Touches: %d", TS_State.touchDetected);
+            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);
+                BSP_LCD_DisplayStringAt(0, LINE(idx+1), (uint8_t *)&text, LEFT_MODE);     
+            }
+            
+             if ((x>=1&&x<=475)&&(y>=1&&y<=270))
+                    {
+                        milli = mesures*10.0;
+                        BSP_LCD_SetFont(&Font20);
+                        sprintf((char*)text, "valeur en millimetres : %5.3f mm", milli);
+                        BSP_LCD_DisplayStringAt(0, LINE(4), (uint8_t *)&text, LEFT_MODE);
+                        feet = mesures / 30.48;
+                        sprintf((char*)text, "valeur en feet : %5.3f ft", feet);
+                        BSP_LCD_DisplayStringAt(0, LINE(5), (uint8_t *)&text, LEFT_MODE);
+                         
+                    }  
+
+            BSP_LCD_DrawPixel(TS_State.touchX[0], TS_State.touchY[0], LCD_COLOR_RED);
+        } else {
+            if (!cleared) {
+                BSP_LCD_Clear(LCD_COLOR_GREEN);
+                drawImageLogo(320,0); // affichage du logo en haut à gauche
+                sprintf((char*)text, "Touches: 0");
+                BSP_LCD_DisplayStringAt(0, LINE(0), (uint8_t *)&text, LEFT_MODE);
+                cleared = 1;
+            }
+        }
+    }
+}
+
+// fonction pour le logo
+
+void drawImageLogo(int offsetX, int offsetY)
+{
+    int x = 0;
+    int y = 0;
+    uint32_t* dataPtr = (uint32_t*)logo.data;
+    while(y < logo.height)
+    {
+        while(x < logo.width)
+        {
+            BSP_LCD_DrawPixel(x + offsetX, y + offsetY, *dataPtr);
+            dataPtr++;
+            x++;
+        }
+        x = 0;
+        y++;
+    }
+}
+