PuG / Mbed 2 deprecated MCP4922_Sinewave

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Dependencies:   mbed

Fork of MCP4922_Sinewave by FRA221_2015

Files at this revision

API Documentation at this revision

Revision 3:0ff7b96f04b8, committed 2015-11-02

Comitter:
Peeraya
Date:
Mon Nov 02 08:21:02 2015 +0000
Parent:
2:2244c8986987
Commit message:
FINISH

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/main.cpp	Mon Aug 24 12:36:59 2015 +0000
+++ b/main.cpp	Mon Nov 02 08:21:02 2015 +0000
@@ -8,29 +8,23 @@
 /**** Main Function  ***/
 int main(void)
 {
-    MCP.frequency(20000000);
+    MCP.frequency(10000000);
 
-    uint16_t i=0;
-    uint8_t state=0;
+    double i= 0;
+    
     while(1) {
-        if(i < 0x0FFF)
+        if(i < 3.14*2)
         {
-            i++;
+            i+=0.001;
             
         }
         else
         {
             i=0;
-            state = ~state;
         }
         
-        if(state ==0)
-        {
-            MCP.writeA(i);
-            }
-            else{
-           MCP.writeA( ((~i)+1)&0x0FFF);
-          }
+            MCP.writeA(((sin(i)+1)/2.0*4095));
+          
             wait_us(20);
     }
 }
\ No newline at end of file