Revision 1:82872c4221fc, committed 2015-03-17

Comitter:

frada

Date:

Tue Mar 17 12:13:39 2015 +0000

Parent:

0:c584a588c24f

Commit message:

-

Changed in this revision

--- a/AD7730.cpp	Fri Dec 16 20:31:01 2011 +0000
+++ b/AD7730.cpp	Tue Mar 17 12:13:39 2015 +0000
@@ -25,7 +25,6 @@
     _dac = readRegistry(DAC_REG);
     _offset = readRegistry(OFFSET_REG);
     _gain = readRegistry(GAIN_REG);
-    
     //set chip select high
     _cs = 1; 
     
@@ -33,9 +32,6 @@
     internalFullCal();
     internalZeroCal(); 
     
-    //turn off LED3
-    _LED3 = false; 
-    
 
     _continous = false;
     _bufferCount = 0;
@@ -357,7 +353,7 @@
     double avg = 0;
     double value = 0;
     for(int i=0; i<20; i++){
-        value = (double)read();
+        value = (double)read(false);
         avg += value;  
     }
     
@@ -420,7 +416,7 @@
 /************************************************************************************************************************/
 //function to do a single read with conversion
 /************************************************************************************************************************/
-int AD7730::read(){
+int AD7730::read(bool _wait){
 
     if(_continous){
         //chip is running in continous conversion mode
@@ -428,7 +424,7 @@
     }
     else {
         //a new conversion must be started
-        startConversion(true);
+        startConversion(_wait);
         return readRegistry(DATA_REG);
     }              
 }

--- a/AD7730.h	Fri Dec 16 20:31:01 2011 +0000
+++ b/AD7730.h	Tue Mar 17 12:13:39 2015 +0000
@@ -3,6 +3,15 @@
 
 #include "mbed.h"
 
+#define STATUS_REG  0x00
+#define DATA_REG    0x01
+#define MODE_REG    0x02
+#define FILTER_REG  0x03
+#define DAC_REG     0x04
+#define OFFSET_REG  0x05
+#define GAIN_REG    0x06
+#define TEST_REG    0x07
+
 class AD7730{
 
     public:
@@ -14,7 +23,7 @@
         int initialize(void);
         int systemLowCal(double wgt);
         int systemHighCal(double wgt, double fullScale);
-        int read();
+        int read(bool _wait);
         int startConversion(bool wait); 
         void setFilter(int SF, bool chop, int filter2);
         void setFilterSF(int SF);
@@ -45,17 +54,7 @@
         bool _continous;
         int _frequency;
         Timer _tmr;
-        
-        //Registry value constants
-        static const int STATUS_REG = 0;
-        static const int DATA_REG = 1;
-        static const int MODE_REG = 2;
-        static const int FILTER_REG = 3;
-        static const int DAC_REG = 4;
-        static const int OFFSET_REG = 5;
-        static const int GAIN_REG = 6;
-        static const int TEST_REG = 7;
-        
+
         //define empty spi command
         static const int EMPTY_SPI = 0xFF;
         
@@ -77,9 +76,7 @@
         //private functions
         int internalZeroCal(void);
         int internalFullCal(void); 
-        void interruptRead(void);       
-        
-        
+        void interruptRead(void);
 };
 
 #endif