Diff: main.cpp

Revision:

4:bcd2a4b5feaf

Parent:

3:f1ab02bc87f3

Child:

5:f994e394a7ec

--- a/main.cpp	Wed Jul 16 14:39:09 2014 +0000
+++ b/main.cpp	Tue Jul 22 15:02:09 2014 +0000
@@ -1,9 +1,11 @@
 #include "mbed.h"
+#include "AnalogIn_Diff.h"
 #include "math.h"
 #include "MovingAverage.h"
-#define VERSION "15_07_2014"
+
+#define VERSION "21_07_2014"
 #define CIBLE "K64F"
-//USBSerial pc;
+
 #define max(a,b) (a>=b?a:b)
 #define min(a,b) (a<=b?a:b)
 #define UAC_NON 230.0
@@ -12,8 +14,11 @@
 #define UAC_NON2 UAC_NON*UAC_NON
 #define UAC_MAX2 UAC_MAX*UAC_MAX
 #define UAC_MIN2 UAC_MIN*UAC_MIN
+#define R1 1E6
+#define R2 
+AnalogIn_Diff a2d(0);
 struct {
-   float   gain;
+    float   gain;
     float   offset;
 //AnalogIn adc;
 } adc_volt,adc_curr;
@@ -22,8 +27,9 @@
 Timer timer_max;
 bool F_timer_max=false;
 Serial pc(USBTX, USBRX);
-AnalogIn adc_1(PTB2);
-AnalogIn adc_2(PTB3);
+//AnalogIn adc_1(PTB2);
+//AnalogIn adc_2(PTB3);
+
 Ticker flipperADC;
 DigitalOut led1(LED_RED);
 DigitalOut led2(LED_GREEN);
@@ -35,65 +41,69 @@
 bool min_OK=false;
 void flipADC()
 {
+    
     float val;
     led1=1;
-    int val_i32=adc_2.read_u16()-adc_1.read_u16(); //read ADC
 
+    int  val_i32=a2d.read_16(1);
     val=(float)val_i32*adc_volt.gain-adc_volt.offset;
-moy.Insert(val);
+
+    moy.Insert(val);
     Trms.Insert(val*val);
     val=Trms.GetAverage();
     max=max(val,max);
     if(min_OK==true)
         min=min(val,min);
-    if(val<UAC_MIN2 && F_timer_min ==false)
-    {
+    if(val<UAC_MIN2 && F_timer_min ==false) {
         timer_min.reset();
         timer_min.start();
-        F_timer_min = true;  
+        F_timer_min = true;
     }
-    if(val>UAC_MIN2 && F_timer_min ==true)
-    {
+    if(val>UAC_MIN2 && F_timer_min ==true) {
         timer_min.stop();
-        F_timer_min = false;  
+        F_timer_min = false;
     }
-    if(val>UAC_MAX2 && F_timer_max ==false)
-    {
+    if(val>UAC_MAX2 && F_timer_max ==false) {
         timer_max.reset();
         timer_max.start();
-        F_timer_max = true;  
+        F_timer_max = true;
     }
-    if(val<UAC_MAX2 && F_timer_max ==true)
-    {
+    if(val<UAC_MAX2 && F_timer_max ==true) {
         timer_max.stop();
-        
-        F_timer_max = false;  
+
+        F_timer_max = false;
     }
+  
     led1=0;
 }
 
 int main()
 {
+    
+  
     led1=1;
     led2=0;
     led3=1;
     pc.baud(115200);
     pc.printf("LAAS-CNRS ,TRMS ,%s ,%s\r",CIBLE,VERSION);
-    adc_volt.gain=(1960.0*3.3)/65535.0;
+    adc_volt.gain=(3920.0*3.3)/65535.0;
     adc_volt.offset=-17.0;
 
     flipperADC.attach_us(&flipADC, 1000); //200µs
     wait (5);
-min_OK=true;
+    min_OK=true;
+ 
     while (true) {
 
-        
+
         led3=1;
 
         pc.printf("RMS=%f \r\n",sqrt(Trms.GetAverage()));
         pc.printf("min=%0.0f t=%f max=%0.0f t=%f\r\n",sqrt(min),timer_min.read(),sqrt(max),timer_max.read());
         pc.printf("moy=%f \r\n",moy.GetAverage());
+        
         led3=0;
+        
         wait (1);
     }
 }
\ No newline at end of file