diff options
Diffstat (limited to 'Demos/Device/ClassDriver/AudioInput/AudioInput.c')
| -rw-r--r-- | Demos/Device/ClassDriver/AudioInput/AudioInput.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/Demos/Device/ClassDriver/AudioInput/AudioInput.c b/Demos/Device/ClassDriver/AudioInput/AudioInput.c index 31e8d96ad..f11122fd3 100644 --- a/Demos/Device/ClassDriver/AudioInput/AudioInput.c +++ b/Demos/Device/ClassDriver/AudioInput/AudioInput.c @@ -106,11 +106,11 @@ ISR(TIMER0_COMPA_vect, ISR_BLOCK) #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 @@ -122,7 +122,7 @@ ISR(TIMER0_COMPA_vect, ISR_BLOCK) AudioSample -= (SAMPLE_MAX_RANGE / 2); #endif #endif - + Audio_Device_WriteSample16(&Microphone_Audio_Interface, AudioSample); } @@ -211,10 +211,10 @@ bool CALLBACK_Audio_Device_GetSetEndpointProperty(USB_ClassInfo_Audio_Device_t* 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) @@ -223,13 +223,14 @@ bool CALLBACK_Audio_Device_GetSetEndpointProperty(USB_ClassInfo_Audio_Device_t* Data[2] = (CurrentAudioSampleFrequency >> 16); Data[1] = (CurrentAudioSampleFrequency >> 8); - Data[0] = (CurrentAudioSampleFrequency & 0xFF); + Data[0] = (CurrentAudioSampleFrequency & 0xFF); } - + return true; } } } - + return false; } + |