Diff: Main.cpp

Revision:

0:78facd7c14b8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Main.cpp	Wed May 20 12:03:32 2020 +0000
@@ -0,0 +1,65 @@
+#include "ds1621.h"
+
+
+
+#define DS1621_ADDR 0x90            // I2c DS1621 address is 0x00
+
+Serial pc(USBTX, USBRX);            // port série USB
+//pins are: TX   RX  
+
+
+I2C    i2c(p9, p10);                // Declare I2C (pullup resistors 2.2k from p9 and p10 to +5v)
+DS1621 ds(&i2c, DS1621_ADDR);       // Declare ds1621 throught i2c interface
+
+
+
+
+float Temperature = 24.0,
+      Temp_H=25.0,
+      Temp_L=23.0,
+      Temp_cons=35,
+      hysteresis=5.0,
+      periode=1.0;  // acquisition toutes les secondes
+
+unsigned char trame[6];
+int cpt=0;              // compteur trame
+int flag=0;             // detection de debut de trame
+int etat_regulation=0;  // =0 pas de regulation  =1 regulation
+int Sortie_reg=0;       // etat sortie reg du DS1621
+
+
+
+int main() {
+    i2c.frequency(5000); //5khz
+    pc.printf("-----------------------\n\rMain\n\r");
+    char reg;
+    int result;
+    
+   
+    
+    ds.SetConfig(0x00);                 // POL=1, 1SHOT=0
+    wait(1);
+    reg=ds.ReadReg(ACCESS_CONFIG);      // lecture registre CONFIG pour controle
+    pc.printf("REG=%d\n\r",reg);
+    ds.SetLimit(ACCESS_TH,-20);        // fixe TH: valeur basse pour avoir commande de sortie =0
+    wait(1);
+    ds.SetLimit(ACCESS_TL, -21.0);     // fixe TL: valeur basse pour avoir commande de sortie =0
+    wait(1);
+    
+    ds.StartConversion(1);
+    wait(1);
+    
+    result=ds.GetTemp(ACCESS_TL,&Temp_L);
+    if(result==1) pc.printf("TL=%3.1f\n\r",Temp_L);
+    wait(1);
+    result= ds.GetTemp(ACCESS_TH,&Temp_H);
+    if(result==1) pc.printf("TH=%3.1f\n\r",Temp_H);
+    wait(1);
+    
+    while (1) {
+        result= ds.GetTemp(READ_TEMPERATURE,&Temperature); // acquisition Temp  à 0.5 
+        //result= ds.GetHResTemp(&Temperature);                // acquisition Temp  à 0.1 °C
+        pc.printf("Temperature=%3.1f C\n\r",Temperature);
+        wait(1);
+    }
+}