Diff: wave.cpp

Revision:

11:d21c2da8b290

Parent:

10:159f38636ed4

diff -r 159f38636ed4 -r d21c2da8b290 wave.cpp
--- a/wave.cpp	Tue Dec 01 18:59:42 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,82 +0,0 @@
-/*
-* wave.cpp
-* 
-*/
-
-#include "mbed.h"
-#include "wave.h"
-#include "para.h"
-#include "menu.h"
-Serial pc(USBTX, USBRX);
-AnalogOut  aout(p18);
-
-// from global variable
-extern para mypara;
-int waveform_type = mypara.get_type();
-int freq = mypara.get_freq();
-float amp = mypara.get_amp();
-float offset = mypara.get_offset();
-
-
-int datapoint_counter=0;
-float duty_cycle=0.2;
-int length_waveform=100;
-float time_interv=1.0/freq/length_waveform;
-uint16_t waveform[100];
-int x;
-const double pi = 3.14;
-void generate_waveform_datapoints(){
-    float t=0;
-     
-    //------if sine wave--------
-    if (waveform_type==0){  
-        for (int counter=0; counter<length_waveform; counter++){
-            x=amp/3.3*cos(2*pi*freq*t)+offset/3.3;
-            waveform[counter]=(uint16_t) (x*65535);      
-            t += time_interv;
-        }
-    }
-    
-    //------if square wave--------   
-    if (waveform_type==1){  
-        for (int counter=0; counter<length_waveform; counter++){
-            if (counter<=length_waveform*duty_cycle){
-                x=amp/3.3+offset/3.3;
-            }else{
-                x=-1.0*amp/3.3+offset/3.3;
-            }
-            waveform[counter]=(uint16_t) (x*65535);   
-        }           
-    }
-    
-    //------if triangle wave---------  
-    if (waveform_type==2){  
-        for (int counter=0; counter<length_waveform/2; counter++){
-            x=amp/1.65*(2.0*counter/length_waveform-0.5)+offset/3.3;
-            waveform[counter]=(uint16_t) (x*65535);   
-        } 
-        
-        for (int counter=length_waveform/2; counter<length_waveform; counter++){
-            waveform[counter]=waveform[length_waveform-counter-1];
-        } 
-                  
-    }
-}
-
-
-
-void output_waveform_datapoints(){
-    pc.printf("%d",freq);
-    for (int counter=0; counter<length_waveform; counter++){
-        aout.write_u16(waveform[counter]);
-        wait(time_interv);
-    } 
-}
-
-
-void output_waveform_datapoints_timer_ISR(){ 
-        aout.write_u16(waveform[datapoint_counter]);
-        datapoint_counter++;
-        
-        if (datapoint_counter==length_waveform-1){datapoint_counter=0;}
-}
\ No newline at end of file