42 lines
927 B
Arduino
42 lines
927 B
Arduino
|
|
||
|
|
#include "AudioTools.h"
|
||
|
|
|
||
|
|
TimerCallbackAudioStream timerStream;
|
||
|
|
|
||
|
|
uint16_t IRAM_ATTR callback(uint8_t *data, uint16_t len){
|
||
|
|
uint16_t result = len > 256 ? 256 : len;
|
||
|
|
|
||
|
|
for (uint16_t j=0;j<result;j++){
|
||
|
|
data[j]=1;
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void setup(){
|
||
|
|
Serial.begin(115200);
|
||
|
|
AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
|
||
|
|
|
||
|
|
auto cfg = timerStream.defaultConfig();
|
||
|
|
cfg.rx_tx_mode = RX_MODE;
|
||
|
|
cfg.channels = 1;
|
||
|
|
cfg.sample_rate = 5000;
|
||
|
|
cfg.bits_per_sample = 16;
|
||
|
|
cfg.timer_function = TimerCallbackInThread; // Use separate Task
|
||
|
|
cfg.callback = callback;
|
||
|
|
timerStream.begin(cfg);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/// read from the TimerCallbackAudioStream
|
||
|
|
void loop(){
|
||
|
|
uint8_t buffer[512];
|
||
|
|
while (true){
|
||
|
|
int len = timerStream.readBytes(buffer, 512);
|
||
|
|
for (int j=0;j<len;j++){
|
||
|
|
assert(buffer[j]==1);
|
||
|
|
}
|
||
|
|
Serial.println(len);
|
||
|
|
yield();
|
||
|
|
}
|
||
|
|
}
|