Limit speed SerialWAV can send samples, avoid WDT

mohamad-jawad · Mar 26, 2018 · abeba9d · abeba9d
1 parent 1e584d1
commit abeba9d
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diff --git a/src/AudioOutputSerialWAV.cpp b/src/AudioOutputSerialWAV.cpp
@@ -45,11 +45,16 @@ bool AudioOutputSerialWAV::begin()
   wavHeader[34] = bps;
   wavHeader[35] = 0;
   Serial.write(wavHeader, sizeof(wavHeader));
+  count = 0;
   return true;
 }
 
 bool AudioOutputSerialWAV::ConsumeSample(int16_t sample[2])
 {
+  if (++count == 200) {
+    count = 0;
+    return false;
+  }
   for (int i=0; i<channels; i++) {
     if (bps == 8) {
       uint8_t l = sample[i] & 0xff;

diff --git a/src/AudioOutputSerialWAV.h b/src/AudioOutputSerialWAV.h
@@ -31,6 +31,8 @@ class AudioOutputSerialWAV : public AudioOutput
     virtual bool begin() override;
     virtual bool ConsumeSample(int16_t sample[2]) override;
     virtual bool stop() override;
+  private:
+    int count;
 };
 
 #endif