Kiyoteru Hayama
/
VoiceRecorder
simple voice recorder. Pwoer up or reset, record voice for 5 sec. Press botton then voice out.
Diff: main.cpp
- Revision:
- 0:00a8ac955304
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Thu Aug 14 09:45:57 2014 +0000 @@ -0,0 +1,43 @@ +#include "mbed.h" +#define NUMDAT 15000 +#define DLY 250 + +float micCB; +short dat[NUMDAT]; +int i; + +DigitalIn sw(p5); +AnalogIn micC(p16); +AnalogOut spOut(p18); +BusOut leds( LED4, LED3, LED2, LED1 ); + +void voiceOut(){ + leds=2; + for(i=0;i<NUMDAT; i++){ + spOut=((float)dat[i])/32768*10+0.5; + wait_us(DLY); + } +} + +int main() { + leds=0; + wait(1); + micCB=0; + for(i=0;i<100;i++){ micCB+=micC; } + micCB/=100; + leds=1; + + // record voice + for(i=0;i<NUMDAT; i++){ + dat[i]=(int)((micC-micCB)*32768); + wait_us(DLY); + } + + while(1){ + leds=0; + if (sw==0) voiceOut(); + } +} + + +