Revision 1:1352606a60c6, committed 2013-11-17

Comitter:

adelino

Date:

Sun Nov 17 13:34:18 2013 +0000

Parent:

0:38e03f9fa18a

Commit message:

Library to control the 12 Bits Analog Digital Converter; MCP4921

Changed in this revision

diff -r 38e03f9fa18a -r 1352606a60c6 Mcp4921.h
--- a/Mcp4921.h	Fri Nov 15 14:53:04 2013 +0000
+++ b/Mcp4921.h	Sun Nov 17 13:34:18 2013 +0000
@@ -9,38 +9,57 @@
 
 * Datasheet: http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=en020398
 *
+*Exemple:
+@code
+//Mbed            Mcp4921
+//p11: Mosi <---> p4:Sdi
+//p12: Miso No Connected
+//p13: Sck  <---> p3:Sck
+//p14       <---> p2:Cs
+//Vout      <---> p1:Vdd
+//Vout      <---> p6: Vref
+//Gnd       <---> p7:Gnd
+//Gnd       <---> p5:Ldac
+
+#include "mbed.h"
+#include "Mcp4921.h"
+
+Mcp4921 cna(p11,p13,p14,500000);
+int main()
+{
+ static int mv;    
+    while(1) {
+       cna.write_mV(mv);
+        
+        mv+=500;
+        if(mv>4000)
+        mv=0;   
+    }
+}
+
+@endcode
 */
 
 class Mcp4921
 {
 
 public:
-    /** Initializes the MCP 4921 DAC with the frequency
-    *
-    * for exemple:
-    *   Mbed        Mcp4921
-    * p11: Mosi <--->p4:Sdi
-    * p12: Miso No Connected
-    * p13: Sck  <--->p3:Sck
-    * p14       <--->p2:Cs
-    * Vout      <--->p1:Vdd
-    * Vout      <--->p6: Vref
-    * Gnd       <--->p7:Gnd
-    * Gnd       <--->p5:Ldac
+    /**Initializes the MCP 4921 DAC with the frequency
+    
     */
     Mcp4921(PinName _mosi,PinName _sck,PinName _cs, int _frequency);
 
-    /** return the frequency use by the Mcp4921
+    /** @returns The frequency use by the Mcp4921
        */
     int getFrequency(void);
 
     /** Writes a value between 0-4095 to the currently selected DAC output
-    * @param dataIntNum a value from 0-4095 to write to the DAC register
+    * @param dataIntNum A value from 0-4095 to write to the DAC register
     */
     void write(int dataIntNum);
 
     /** Writes a float value between 0.0-1.0 to the currently selected DAC output
-       * @param dataFloat a value from 0.0-1.0 to write to the DAC register
+       * @param dataFloat A value from 0.0-1.0 to write to the DAC register
        */
     void write(float dataFloat);