Diff: main.cpp

Revision:

0:7d2d296b12e6

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Mar 09 02:34:25 2017 +0000
@@ -0,0 +1,133 @@
+#include "mbed.h"
+ 
+// Read temperature from LM75BD
+Serial pc(USBTX,USBRX);
+I2C i2c(PB_9, PB_8);
+AnalogIn V_adc(PB_1);
+
+const int addr = 0xC8;
+int i0=1,i1=0,i2=0,i3=0,i4=0,i5=0,i6=0,i7=0,i8=0,i9=0;
+float Vr_adc;
+
+DigitalIn  H1(PA_15);
+DigitalIn  H2(PB_3);
+DigitalIn  H3(PB_10);
+unsigned short  U,V,W;
+ 
+int main() {
+     pc.baud(128000);
+    char cmd[2];
+        cmd[0] = 0x0;
+        cmd[1] = 0x65;
+       
+        i2c.write(addr,cmd, 2);
+       
+        cmd[0] = 0x1;
+        cmd[1] = 0x80;
+        
+        i2c.write(addr,cmd, 2);
+        
+        while(1){
+            cmd[0] = 0x1;
+            cmd[1] = 0x80;
+            i2c.write(addr,cmd, 2);
+            
+             Vr_adc=V_adc.read();
+        if((Vr_adc>0.05f)&&(Vr_adc<=0.1f)&&(i0==1)){
+              cmd[0] = 0x0;
+              cmd[1] = 0x25;  //0.72V
+              i0=0;
+              i1=1;
+              i2c.write(addr,cmd, 2);
+              }
+        if((Vr_adc>0.1f)&&(Vr_adc<=0.2f)&&(i1==1)){
+              cmd[0] = 0x0;
+              cmd[1] = 0x35;  //1.04V
+              i0=1;
+              i1=0;
+              i2=1;
+              i2c.write(addr,cmd, 2);
+              }
+        if((Vr_adc>0.2f)&&(Vr_adc<=0.3f)&&(i2==1)){
+              cmd[0] = 0x0;
+              cmd[1] = 0x4D;  //1.53V
+              i1=1;
+              i2=0;
+              i3=1;
+              i2c.write(addr,cmd, 2);
+              }
+       if((Vr_adc>0.3f)&&(Vr_adc<=0.4f)&&(i3==1)){
+              cmd[0] = 0x0;
+              cmd[1] = 0x65;  //2.01V
+              i1=1;
+              i2=1;
+              i3=0;
+              i4=1;
+              i2c.write(addr,cmd, 2);
+              }
+        if((Vr_adc>0.4f)&&(Vr_adc<=0.5f)&&(i4==1)){
+              cmd[0] = 0x0;
+              cmd[1] = 0x7D;  //2.48V
+              i1=1;
+              i2=1;
+              i3=1;
+              i4=0;
+              i5=1;
+              i2c.write(addr,cmd, 2);
+              }
+       if((Vr_adc>0.5f)&&(Vr_adc<=0.6f)&&(i5==1)){
+              cmd[0] = 0x0;
+              cmd[1] = 0x99;  //3.05V
+              i1=1;
+              i2=1;
+              i3=1;
+              i4=1;
+              i5=0;
+              i6=1;
+              i2c.write(addr,cmd, 2);
+              }   
+       if((Vr_adc>0.6f)&&(Vr_adc<=0.7f)&&(i6==1)){
+              cmd[0] = 0x0;
+              cmd[1] = 0xB1;  //3.53V
+              i1=1;
+              i2=1;
+              i3=1;
+              i4=1;
+              i5=1;
+              i6=0;
+              i7=1;
+              i2c.write(addr,cmd, 2);
+              }
+      if((Vr_adc>0.7f)&&(Vr_adc<=0.8f)&&(i7==1)){
+              cmd[0] = 0x0;
+              cmd[1] = 0xC9;  //4.02V
+              i1=1;
+              i2=1;
+              i3=1;
+              i4=1;
+              i5=1;
+              i6=1;
+              i7=0;
+              i8=1;
+              i2c.write(addr,cmd, 2);
+              }   
+      if((Vr_adc>0.8f)&&(i8==1)){
+              cmd[0] = 0x0;
+              cmd[1] = 0xE1;  //4.50V
+              i1=1;
+              i2=1;
+              i3=1;
+              i4=1;
+              i5=1;
+              i6=1;
+              i7=1;
+              i8=0;  
+              i2c.write(addr,cmd, 2);
+              } 
+              
+              U=H1; V=H2; W=H3;
+              pc.printf("%d,%d,%d \r" ,U,V,W); 
+            }
+ 
+    
+}