Diff: AD5384.h

Revision:

4:bc9ab300ab26

Parent:

3:7ca85ed310e0

--- a/AD5384.h	Wed Oct 08 10:43:18 2014 +0000
+++ b/AD5384.h	Thu Oct 23 17:14:58 2014 +0000
@@ -5,7 +5,7 @@
 #include "SWSPI.h"
 #include "getVersion.h"
 
-#define VERSION_AD5384_HDR "1.20"
+#define VERSION_AD5384_HDR "1.30"
 
 
 /*
@@ -16,6 +16,8 @@
  * v1.10  initial  release versioni
  * v1.11  added init1 init2
  * v1.20  added rst pin
+ * v1.24  added update shadow registers 
+ * v1.30  added get volt
 */ 
 class SWSPI;
 #include "mbed.h"
@@ -32,10 +34,15 @@
     u32 format_word(u8 mode,u8 ch,u8 rw,u16 data) ;
     u16 get_reg(u8 mode, u8 ch   );
     u32  set_reg(u8 mode,u8 ch, u16 value  );
+    
+    void update_gain_shadow(u8 ch ) ;
+    void update_offset_shadow(u8 ch ) ;
+    void update_dac_shadow(u8 ch );
+    
     public: 
         AD5384(SWSPI *spiinterface ,DigitalOut* chipselect,DigitalOut* reset );
-        
-        u16 dac[40];
+        // channel shadow registers
+        u16 dacr[40];
         u16 gain[40];
         u16 offset[40];
         float volt[40];
@@ -43,6 +50,9 @@
        u16 set_dac( u8 ch, u16 dac);
        u16 get_ch_out_reg(u8 ch) ;
        u16 set_volt(u8 nr, float vout );
+       // if read all reg the gain and offset register is  read
+       // otherwise the shadow register offset and gain are used
+       float get_volt(u8 nr, bool readallreg=false );
        u16 set_gain(u8 ch, u16 gain  );
        u16 get_gain(u8 ch );
        u16 set_offset(u8 ch, u16 gain);