X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/d8fe01f19a48b960f5f82735b38ab798d07f2891..f1543ae8ffda98a85de437ad793cc702779a369f:/Demos/Device/ClassDriver/AudioInput/AudioInput.c diff --git a/Demos/Device/ClassDriver/AudioInput/AudioInput.c b/Demos/Device/ClassDriver/AudioInput/AudioInput.c index dc9655e69..31e8d96ad 100644 --- a/Demos/Device/ClassDriver/AudioInput/AudioInput.c +++ b/Demos/Device/ClassDriver/AudioInput/AudioInput.c @@ -196,39 +196,37 @@ bool CALLBACK_Audio_Device_GetSetEndpointProperty(USB_ClassInfo_Audio_Device_t* uint8_t* Data) { /* Check the requested endpoint to see if a supported endpoint is being manipulated */ - if (EndpointAddress == (ENDPOINT_DESCRIPTOR_DIR_IN | Microphone_Audio_Interface.Config.DataINEndpointNumber)) + if (EndpointAddress == (ENDPOINT_DIR_IN | Microphone_Audio_Interface.Config.DataINEndpointNumber)) { /* Check the requested control to see if a supported control is being manipulated */ if (EndpointControl == AUDIO_EPCONTROL_SamplingFreq) { - /* Check the requested property to see if a supported property is being manipulated */ - if (EndpointProperty == AUDIO_REQ_SetCurrent) + switch (EndpointProperty) { - /* Check if we are just testing for a valid property, or actually adjusting it */ - if (DataLength != NULL) - { - /* Set the new sampling frequency to the value given by the host */ - 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); - } - - return true; - } - else if (EndpointProperty == AUDIO_REQ_GetCurrent) - { - /* Check if we are just testing for a valid property, or actually reading it */ - if (DataLength != NULL) - { - *DataLength = 3; - - Data[2] = (CurrentAudioSampleFrequency >> 16); - Data[1] = (CurrentAudioSampleFrequency >> 8); - Data[0] = (CurrentAudioSampleFrequency & 0xFF); - } - - return true; + case AUDIO_REQ_SetCurrent: + /* Check if we are just testing for a valid property, or actually adjusting it */ + if (DataLength != NULL) + { + /* Set the new sampling frequency to the value given by the host */ + 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); + } + + return true; + case AUDIO_REQ_GetCurrent: + /* Check if we are just testing for a valid property, or actually reading it */ + if (DataLength != NULL) + { + *DataLength = 3; + + Data[2] = (CurrentAudioSampleFrequency >> 16); + Data[1] = (CurrentAudioSampleFrequency >> 8); + Data[0] = (CurrentAudioSampleFrequency & 0xFF); + } + + return true; } } }