Diff: main.cpp

Revision:

0:f4cbe4a0f1be

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Aug 12 01:20:44 2014 +0000
@@ -0,0 +1,82 @@
+
+// voice changer all function
+#include "mbed.h"
+#define ARRAY 4000
+#define ARRAYLM1 1999
+#define ARRAYHM1 999
+#define ARRAYEM1 3999
+#define DELAYTIME 2000
+#define ECHOFACTOR 0.5
+
+float micCB;
+float x[ARRAY];
+float y;
+int j=0,k=0,n=0;
+int mode=0;
+
+DigitalIn sw(p5);
+AnalogIn micC(p16);         
+AnalogOut spOut(p18);
+BusOut   leds( LED4, LED3, LED2, LED1 ); 
+
+// voice changer (low voice)
+void lowVoice(){
+    while(sw) { 
+        n++; if (n>1) n=0;
+        if (n==0){ k++; if (k>ARRAYLM1) k=0; }
+        j++; if(j>ARRAYLM1) j=0;
+        x[j]=micC-micCB; 
+        y=x[k];
+        spOut=y*10+0.5;
+        leds=abs(y*1000);
+        wait_us(20);
+    }
+}
+
+// voice changer (high voice)
+void highVoice() {
+    while(sw) { 
+        n++; if (n>1) n=0;
+        if (n==0){ k++; if (k>ARRAYHM1) k=0; }
+        j++; if(j>ARRAYHM1) j=0;
+        x[k]=micC-micCB; 
+        y=x[j];
+        spOut=y*10+0.5;
+        leds=abs(y*1000);
+        wait_us(10);
+    }
+}
+
+// voice changer (ECHO)
+void echoVoice() {
+    k=DELAYTIME;    
+    while(sw) { 
+        j++; if(j>ARRAYEM1) j=0;
+        k++; if (k>ARRAYEM1) k=0;
+        y=x[j]+=micC-micCB;      
+        x[k]=x[j]*ECHOFACTOR;       
+        
+        spOut=y*10+0.5;
+        leds=abs(y*1000);
+        wait_us(50);
+    }
+}
+
+//------------------main-----------------------
+int main() {
+    wait(2);
+    micCB=0;
+    for(int i=0;i<1000;i++){ micCB+=micC; } 
+    micCB/=1000;   
+    
+    while(1){
+        switch(mode){
+            case 0: lowVoice(); break;
+            case 1: highVoice(); break;
+            case 2: echoVoice(); break;
+        }
+        while(sw==0);
+        wait(0.5);
+        mode++; if (mode>2) mode=0;
+    }
+}
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