Diff: main.cpp

Revision:

10:159f38636ed4

Parent:

9:450d5c8e91f5

Child:

11:d21c2da8b290

--- a/main.cpp	Fri Nov 27 21:31:47 2015 +0000
+++ b/main.cpp	Tue Dec 01 18:59:42 2015 +0000
@@ -8,130 +8,24 @@
                 Yuqing Peng
 */
 
-
+#include "wave.h"
 #include "mbed.h"
+#include "menu.h"
+#include "para.h"
 #include "uLCD_4DGL.h"
-
 //----- Objects for devices----------------------
-Serial pc(USBTX, USBRX);
-uLCD_4DGL lcd(p13, p14, p15);
-AnalogOut  aout(p18);
-
 
 DigitalOut led1(LED1);
 
-
-//-----Global variable used for Func_Gen---------
-const double pi = 3.14;
-float time_interv;
-int datapoint_counter=0;
-int length_waveform=100;
-uint16_t waveform[100];
-float x;
-
-//-----User Specified, change it if needed-------
-int waveform_type; //0 for sine, 
-float freq,amp,offset,duty_cycle; 
-
-/*
-  sine wave use: freq,amp,offset
-  square wave use: freq,amp,offse and duty_cycle
-*/
-
-
-void initialize_LCD(){
-    lcd.baudrate(3000000);
-    lcd.background_color(0);
-    lcd.cls();
-    
-    lcd.printf("Initializing...\n");
-    lcd.printf("Fun Generator Demo"); 
-}
-
-void generate_waveform_datapoints(){ //Generate data points for the waveform
-    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;
+int main(void){
+    int  start = begain_first();
+    if (start) {
+        para_setting();
+        generate_waveform_datapoints();
+        while (1){
+            led1 = 1;
+            output_waveform_datapoints();
         }
-    }
-    
-    //------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(){  //Output the data points using DAC (pin18)
-    for (int counter=0; counter<length_waveform; counter++){
-        aout.write_u16(waveform[counter]);
-        wait(time_interv);
-    } 
-}
-
-
-void output_waveform_datapoints_timer_ISR(){  //Output the data points using DAC (pin18)
-        aout.write_u16(waveform[datapoint_counter]);
-        datapoint_counter++;
-        
-        if (datapoint_counter==length_waveform-1){datapoint_counter=0;}
-}
-
-
-
-void display_on_lod() {
-    int lcd_counter=0;
-    while (true) {
-        lcd.locate(4,4);
-        lcd.printf("%d",lcd_counter);
-        lcd_counter++;
-    }
-}
-
-
- 
-int main(void){
-    initialize_LCD();
-    
-    waveform_type=0; //0 for sine, 
-    freq=1000; //Hz
-    amp=1.65; //Sacle factor, 1=full range
-    offset=1.65;
-    duty_cycle=0.2;
-    
-    time_interv=1.0/freq/length_waveform;
-    
-    
-    generate_waveform_datapoints();
-    
-
-    while (1){
-        output_waveform_datapoints();
-    }
-}