Diff: main.cpp

Revision:

1:9a283811050f

Parent:

0:ff0b6f6ddb23

Child:

3:90f8e68fa422

diff -r ff0b6f6ddb23 -r 9a283811050f main.cpp
--- a/main.cpp	Wed Nov 11 19:16:20 2015 +0000
+++ b/main.cpp	Thu Nov 26 22:48:02 2015 +0000
@@ -15,8 +15,8 @@
 #define BUFFERSIZE 30000 // Sample rate 10 Khz, 3 sec record 30*10^3 samples
 uint16_t ABuffer[BUFFERSIZE]={0};
 // variables to store buffer position and lenght
-uint32_t BufferEnd=0;
-uint32_t Buffer_i=0;
+int BufferEnd=0;
+int Buffer_i=0;
 bool RecordFull=0;
 // Variable to store button state
 bool ButtonState=0;
@@ -60,7 +60,7 @@
             CurY=AHPF*(LastY+CurU-LastU);
             
             // Amplify, add dc offset and add to buffer;
-            AudioSignal=CurY*3.0f+0.5f;//*10.0f+0.5f);
+            AudioSignal=CurY*2.0f+0.5f;//*10.0f+0.5f);
             if (AudioSignal>1){
                 AudioSignal=1;
             }else if (AudioSignal<0){
@@ -94,17 +94,17 @@
         }else if (ButtonState) { //Button is unpressed
           if (!LastButtonState){ // first sample
               // Re-set Ticker object
-              Audio_Sample_Ticker.attach_us(&Audio_Sample, 75); // create 10Khz Ticker
-           //   Buffer_i=0;
+              Audio_Sample_Ticker.attach_us(&Audio_Sample, 150); // create 10Khz Ticker
+              Buffer_i=BufferEnd;
           }
           myled.write(0); // LED Off
           // Play Recorded audio
           RecordFull=0;
-           if (Buffer_i>BufferEnd){ // Replay record
-              Buffer_i=0;
+           if (Buffer_i<=0){ // Replay record
+              Buffer_i=BufferEnd;
            }
            AudioOut.write_u16(ABuffer[Buffer_i]);
-           Buffer_i++;
+           Buffer_i--;
         }
     }     
   }