Diff: AD7390.cpp

Revision:

5:1ce3ec1e5f8b

Parent:

3:37ec9ea72264

--- a/AD7390.cpp	Sun Apr 06 20:19:56 2014 +0000
+++ b/AD7390.cpp	Sun Apr 13 19:45:35 2014 +0000
@@ -1,37 +1,39 @@
 # include "AD7390.h"
 #include "mbed.h"
 
-AD7390::AD7390(SPI& _spi, PinName resetpin, PinName latchpin) : //Mosi, sclk 2x digital out refV, previously missed scope operator.
+AD7390::AD7390(SPI& _spi, PinName resetpin, PinName latchpin) : //Mosi, sclk 2x digital out refV
     spi(_spi),reset(resetpin), latch(latchpin){
     }
-    void AD7390::Init()
+    void AD7390::Init(int Frequency)
     {
         //Vout = (Vref*D)/2^n
+        spi.frequency(Frequency);
         spi.format(12,0);
-        latch = 1;                                      //Pull low to pass shift register to DAC register
+        latch = 1;                                              
+        reset = 0;
         reset = 1;
     }
     
-    void AD7390::Reset()                                //Reset ADC to 0V by pulling reset pin low
+    void AD7390::Reset()                                        
     {
         reset = 0;
-        reset = 1;                                      //Set back to high so it can be written to again
+        reset = 1;                                              
     }
-    void AD7390::Latch()                                //Latch data from shift register to DAC
+    void AD7390::Latch()                                        
     {
         latch = 0;
         latch = 1;
     }
-    void AD7390::Write(float Volts, float RefV)                     //write will require seperate latch after
+    void AD7390::Write(float Volts, float RefV)                 //write will require seperate latch after
     {
         unsigned int send = 0x0000;
         send = (unsigned int) (4096/RefV)*Volts;
         spi.write(send);
     }
-    void AD7390::WriteL(float volts, float RefV)                    //Same as write but with latch attached
+    void AD7390::WriteL(float volts, float RefV)                //Same as write but with latch attached
     {
         unsigned int Send = 0x0000;
-        Send = (unsigned int) (4096/RefV)*volts;      //parse float into unsigned int to send to DAC
+        Send = (unsigned int) (4096/RefV)*volts;                //parse float into unsigned int to send to DAC
         spi.write(Send);
         latch = 0;
         latch = 1;