#if defined(USE_TEST_TONE)
static uint8_t SquareWaveSampleCount;
static int16_t CurrentWaveValue;
-
+
/* In test tone mode, generate a square wave at 1/256 of the sample rate */
if (SquareWaveSampleCount++ == 0xFF)
CurrentWaveValue ^= 0x8000;
-
+
/* Only generate audio if the board button is being pressed */
AudioSample = (Buttons_GetStatus() & BUTTONS_BUTTON1) ? CurrentWaveValue : 0;
#else
AudioSample -= (SAMPLE_MAX_RANGE / 2);
#endif
#endif
-
+
Audio_Device_WriteSample16(&Microphone_Audio_Interface, AudioSample);
}
CurrentAudioSampleFrequency = (((uint32_t)Data[2] << 16) | ((uint32_t)Data[1] << 8) | (uint32_t)Data[0]);
/* Adjust sample reload timer to the new frequency */
- OCR0A = ((F_CPU / 8 / CurrentAudioSampleFrequency) - 1);
+ OCR0A = ((F_CPU / 8 / CurrentAudioSampleFrequency) - 1);
}
-
- return true;
+
+ return true;
case AUDIO_REQ_GetCurrent:
/* Check if we are just testing for a valid property, or actually reading it */
if (DataLength != NULL)
Data[2] = (CurrentAudioSampleFrequency >> 16);
Data[1] = (CurrentAudioSampleFrequency >> 8);
- Data[0] = (CurrentAudioSampleFrequency & 0xFF);
+ Data[0] = (CurrentAudioSampleFrequency & 0xFF);
}
-
+
return true;
}
}
}
-
+
return false;
}
+