Revision 7:1fd6069cce9b, committed 2021-06-22

Comitter:

aurelienbonnet

Date:

Tue Jun 22 12:18:54 2021 +0000

Parent:

6:e8f8a8037256

Commit message:

Heart rate project;

Changed in this revision

diff -r e8f8a8037256 -r 1fd6069cce9b main.cpp
--- a/main.cpp	Wed Nov 20 11:33:58 2019 +0100
+++ b/main.cpp	Tue Jun 22 12:18:54 2021 +0000
@@ -1,40 +1,136 @@
 #include "mbed.h"
+#include "stm32746g_discovery.h"
+#include "stm32746g_discovery_ts.h"
 #include "stm32746g_discovery_lcd.h"
 
+I2C i2c(PB_9, PB_8);
+const int addr = 0xA0;
+TS_StateTypeDef  TS_State = {0};
+
 int main()
 {
     BSP_LCD_Init();
     BSP_LCD_LayerDefaultInit(LTDC_ACTIVE_LAYER, LCD_FB_START_ADDRESS);
     BSP_LCD_SelectLayer(LTDC_ACTIVE_LAYER);
+    int touchScreen=1;
+    char heart_rate;
+    
+    /* 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_BLACK);
+    BSP_LCD_FillRect(0, 0, BSP_LCD_GetXSize(), 40);
+    BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
+    BSP_LCD_SetBackColor(LCD_COLOR_BLACK);
+    BSP_LCD_SetFont(&Font24);
+    BSP_LCD_DisplayStringAt(0, 0, (uint8_t *)"Touch to start heart rate", CENTER_MODE);
+    
+    
+    while(touchScreen)
+    {
+        BSP_TS_GetState(&TS_State);
+        if (TS_State.touchDetected)
+        {
+            touchScreen=0;
+        }
+    }
+    
+    
+    //Board shape 270x480
+    
+    int i=0,j=0,h=136,etat=0;
+    int tab[480];
+    int rate=1,rate_start=0;
+    char affichHeart [50],affich[50],affichi[50];
+    BSP_LCD_Clear(LCD_COLOR_WHITE);
+    BSP_LCD_SetFont(&LCD_DEFAULT_FONT);
+    BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
+
+    for(int x=0; x<480; x++)
+    {
+        BSP_LCD_DrawPixel(x,h,LCD_COLOR_RED);
+        tab[x]=h;
+    }
+
+    
 
     while (1) {
-        BSP_LCD_Clear(LCD_COLOR_BLACK);
-        BSP_LCD_SetFont(&LCD_DEFAULT_FONT);
-        BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
-        BSP_LCD_SetTextColor(LCD_COLOR_DARKBLUE);
 
-        BSP_LCD_DisplayStringAt(0, 1, (uint8_t *)"MBED EXAMPLE", CENTER_MODE);
-        HAL_Delay(2000);
-
-        BSP_LCD_SetBackColor(LCD_COLOR_BLACK);
-        BSP_LCD_SetTextColor(LCD_COLOR_ORANGE);
-        BSP_LCD_DisplayStringAt(0, 100, (uint8_t *)"DISCOVERY STM32F746NG", CENTER_MODE);
-        HAL_Delay(2000);
 
-        BSP_LCD_Clear(LCD_COLOR_GREEN);
-        BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
-        BSP_LCD_DrawRect(10, 20, 50, 50);
-        BSP_LCD_SetTextColor(LCD_COLOR_BROWN);
-        BSP_LCD_DrawCircle(80, 80, 50);
-        BSP_LCD_SetTextColor(LCD_COLOR_YELLOW);
-        BSP_LCD_DrawEllipse(150, 150, 50, 100);
-        BSP_LCD_SetTextColor(LCD_COLOR_RED);
-        BSP_LCD_FillCircle(200, 200, 40);
-        HAL_Delay(2000);
-
-        BSP_LCD_SetBackColor(LCD_COLOR_GREEN);
-        BSP_LCD_SetTextColor(LCD_COLOR_CYAN);
-        BSP_LCD_DisplayStringAt(0, 6, (uint8_t *)"HAVE FUN !!!", RIGHT_MODE);
-        HAL_Delay(2000);
+    i2c.read(addr, &heart_rate, 1);
+    rate=479-(479*((double)heart_rate/140.0));
+    
+    sprintf(affichHeart, "%d", heart_rate); 
+    
+     /* Set Touchscreen Demo1 description */
+    BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
+    BSP_LCD_FillRect(0, 0, BSP_LCD_GetXSize(), 40);
+    BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
+    BSP_LCD_SetBackColor(LCD_COLOR_BLACK);
+    BSP_LCD_SetFont(&Font24);
+    BSP_LCD_DisplayStringAt(0, 0, (uint8_t *)affichHeart, CENTER_MODE);
+    
+        if (h==136)BSP_LCD_DrawPixel(i,h,LCD_COLOR_RED);
+        else
+        {
+            BSP_LCD_DrawPixel(i,h,LCD_COLOR_RED);
+        }
+        tab[i]=h;
+        HAL_Delay(3);
+        
+        i++;
+        j=i+1;
+        if (i>=479){i=0;}       
+        if (j>=479){j=0;}
+        if (rate==479)etat=3;
+        sprintf(affich,"%d",etat);
+        
+        sprintf(affichi,"%d",i);
+        switch(etat)
+        {
+            //Paterne BPM
+            //Montant 136 -> 200
+            case 0 :    BSP_LCD_DrawPixel(j,tab[j],LCD_COLOR_WHITE);
+                        h=h+6;;
+                        if (h>=200)etat=1;
+                        break;
+                        
+            //Descendant 200->72
+            case 1 :    BSP_LCD_DrawPixel(j,tab[j],LCD_COLOR_WHITE);
+                        h=h-6;
+    BSP_LCD_DisplayStringAt(0, 0, (uint8_t *) affichi,RIGHT_MODE);
+                        if (h<=72)etat=2;
+                        break;
+                        
+            //Montant 72 -> 136
+            case 2 :    BSP_LCD_DrawPixel(j,tab[j],LCD_COLOR_WHITE);
+                        h=h+6;
+                        if (h>=136)etat=3;
+                        break;
+                        
+            case 3 :    rate_start=i;
+                        if ((rate_start+rate)>479)
+                        {
+                            rate_start=i-(rate_start+rate);
+                        }
+                        BSP_LCD_DrawPixel(j,tab[j],LCD_COLOR_WHITE);
+                        if (rate!=479)etat=4;
+                        break;
+            
+            //Tempo            
+            case 4 :    BSP_LCD_DrawPixel(j,tab[j],LCD_COLOR_WHITE);
+                        h=136;
+                        if ((rate_start+rate)==i)etat=0;
+                        break;
+        }
+        
+        
+        
     }
 }