Diff: main.cpp

Revision:

0:3d803817104a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Jun 21 10:24:07 2018 +0000
@@ -0,0 +1,251 @@
+//Library
+#include "mbed.h"
+#include "TS_DISCO_F746NG.h"
+#include "LCD_DISCO_F746NG.h"
+
+// Initialisation objet
+LCD_DISCO_F746NG lcd;
+TS_DISCO_F746NG ts;
+I2C i2c (D14,D15);
+
+uint8_t texttp[30];
+    uint8_t texthm[30];
+    uint8_t status;
+    uint8_t idx;
+    uint8_t cleared = 0;
+    uint8_t prev_nb_touches = 0;
+    uint8_t event_press = 0;
+    uint16_t x, y;
+    uint16_t pos_y = 210;
+    uint16_t rayon = 0;
+    
+    int adress = 0x40 << 1;
+    int touchtp;
+    int touchhum;
+     
+    char ctemp[2] = {0x03,0x11};
+    char chumi[2] = {0x03,0x01};
+    char datatp[2] = { 0,0 };
+    char datahu [2] = { 0,0 };
+    
+    float temp = 0;
+    float temperature = 0;
+    float humi = 0;
+    float humidity = 0;
+    
+    int times = 0;
+
+int choice = 0;
+
+// Debug
+//Serial pc(USBTX, USBRX);
+
+// Fonction d'affichage de l'interface
+void Clear_avec_un_rectangle (void){
+    
+    // Fond d'écran blanc  
+    lcd.Clear(LCD_COLOR_LIGHTGRAY);
+    lcd.SetBackColor(LCD_COLOR_LIGHTGRAY);
+
+    // Bonton rouge pour température  
+    lcd.SetTextColor(LCD_COLOR_RED);           
+    lcd.DrawRect(25,100,200,50); 
+    lcd.SetFont(&Font24);
+    lcd.DisplayStringAt(33, 115, (uint8_t *)"TEMPERATURE", LEFT_MODE);  
+    
+    // Bouton vert pour humitidé 
+    lcd.SetTextColor(LCD_COLOR_BLUE);
+    lcd.DrawRect(250,100,200,50);
+    lcd.SetFont(&Font24);
+    lcd.DisplayStringAt(280, 115, (uint8_t *)"HUMIDITE", LEFT_MODE);  
+          
+    // Titre de l'interface 
+    lcd.SetTextColor(LCD_COLOR_BLACK);
+    lcd.SetFont(&Font20);
+    lcd.DisplayStringAt(0, 10, (uint8_t *)"Capteur Humidite & Temperature", CENTER_MODE);  
+}
+
+void humidi(void){
+    lcd.SetBackColor(LCD_COLOR_LIGHTGRAY);
+    lcd.SetTextColor(LCD_COLOR_LIGHTGRAY);
+    lcd.FillCircle(235,215,50); 
+    lcd.SetFont(&Font16);
+    sprintf((char*)texthm,"%0.1d %%",(int)humidity);
+    lcd.DisplayStringAt(0, pos_y, (uint8_t *)"                                         ", CENTER_MODE);
+    lcd.SetTextColor(LCD_COLOR_BLACK);
+    lcd.DrawCircle(235,215,50); 
+    lcd.SetTextColor(LCD_COLOR_BLUE);
+    rayon = 50*(humidity/100);
+    if(rayon>=50)
+        rayon =50;
+    lcd.FillCircle(235,215,rayon);
+    lcd.SetBackColor(LCD_COLOR_BLUE);
+    lcd.SetTextColor(LCD_COLOR_BLACK);
+    lcd.DisplayStringAt(0, pos_y, (uint8_t *)&texthm, CENTER_MODE);
+    //  prev_nb_touches = TS_State.touchDetected;
+    cleared = 0;  
+    x= 1;
+    
+}
+
+void temper(void) {
+    lcd.SetBackColor(LCD_COLOR_LIGHTGRAY);
+    lcd.SetTextColor(LCD_COLOR_LIGHTGRAY);
+    lcd.FillCircle(235,215,50);
+                
+    sprintf((char*)texttp,"%0.1d c",(int)temperature);
+    lcd.DisplayStringAt(0, pos_y, (uint8_t *)"                                          ", CENTER_MODE); 
+                
+    lcd.SetTextColor(LCD_COLOR_BLACK);
+    lcd.DrawCircle(235,215,50); 
+                
+    lcd.SetTextColor(LCD_COLOR_RED);
+    rayon = 50*(temperature/50);
+    if(rayon>=50)
+        rayon =50;
+    lcd.FillCircle(235,215,rayon);
+    lcd.SetBackColor(LCD_COLOR_RED);
+    lcd.SetTextColor(LCD_COLOR_BLACK);
+                
+    lcd.SetFont(&Font16);
+    lcd.SetTextColor(LCD_COLOR_BLACK);
+    lcd.DisplayStringAt(0, pos_y, (uint8_t *)&texttp, CENTER_MODE); 
+                
+    //  prev_nb_touches = TS_State.touchDetected;
+    cleared = 0;
+    x = 2;
+}
+
+void select_etat(void){        
+    if ((x == 1) && (times == 10))
+    {humidi();
+    times = 0;}
+    
+    else if ((x == 2) && (times == 10))
+    {temper();
+    times = 0;}   
+    
+    
+    }
+
+
+//add capt 0x40
+//f = 400kHz
+//float temp = (capt/32) -50;
+
+// Fonction MAIN
+int main()
+{
+    // Debug
+    //pc.baud(9600);
+    
+    // Paramétrage de l'I2C 
+    i2c.frequency(100000);
+    
+    // Initialisation variable
+    TS_StateTypeDef TS_State;
+   
+    
+    
+    
+    // Affichage de l'interface
+    Clear_avec_un_rectangle();
+    
+    while(1) {  
+     select_etat();  
+     times = times + 1;          
+        
+        // Demande de la valeur du registre température au capteur              
+        i2c.write(adress ,ctemp ,2, 0);
+        wait_ms(35);
+        i2c.read(adress,datatp,2);
+        wait_ms(35);
+        temp = datatp[1]<<6;
+        temp = temp + (datatp[2]>>2);
+        temperature = (temp/32) - 50; 
+        
+        // Debug
+        //pc.printf("\n\r temperature : %f",temperature);
+        //pc.printf("\n\r data1 : %d ",(datatp[1]<<6) + (datatp[2] >> 2));
+        
+        wait_ms(35);
+        
+        // Demande de la valeur deu registre humidité
+        i2c.write(adress ,chumi ,2, 0);
+        wait_ms(35);
+        i2c.read(adress,datahu,2);
+        wait_us(35);
+        humi = datahu[1]<<4;
+        humi = humi + (datahu[2]>>4);
+        humidity = (humi/16) - 24; 
+        
+        // Debug
+        //pc.printf("\n\r Humidity : %f %",humidity);
+        //pc.printf("\n\r data1 + data2 : %d ",(datahu[1]<<4) + (datahu[2]>>4));
+        
+        wait_ms(35);
+        
+        // Détéction d'un apuie sur l'écran tactile
+        ts.GetState(&TS_State);
+        if (TS_State.touchDetected) {
+            
+            if (TS_State.touchDetected < prev_nb_touches) {
+                for (idx = (TS_State.touchDetected + 1); idx <= 5; idx++) {
+                    lcd.ClearStringLine(idx);
+                }
+            }
+            prev_nb_touches = TS_State.touchDetected;
+            cleared = 0;
+            
+            // Enregistrement de la position de l'apuie 
+            for (idx = 0; idx < TS_State.touchDetected; idx++) {
+                x = TS_State.touchX[idx];
+                y = TS_State.touchY[idx];
+            }
+            
+            // Détection d'un apuie sur le bouton humidité  
+            if((x>250) && (x<450) && (y>=100) && (y<150)) { 
+                touchhum=1;
+                touchtp=0;
+            }
+             
+            // Détection d'un apuie sur le bouton température            
+            else if ((x>25) && (x<200)&&(y>=100)&&(y<150)) {
+                touchhum=0;
+                touchtp=1;
+            }
+            
+            // Si apuie sur le bouton humidité, affichage valeur envoyé par le capteur
+            if (touchhum==1 && touchtp==0) {
+              humidi();
+            }
+            
+            // Si apuie sur le bouton température, affichage valeur envoyé par le capteur
+            else if (touchhum==0 && touchtp==1) {
+                temper();
+            }                      
+        }  
+    }
+}
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