Fix errors in the Audio device demos and class driver regarding multiple sample frequency support.

This commit is contained in:
Dean Camera 2011-06-07 02:05:19 +00:00
parent 2d778a3ff5
commit 567f7ecce0
9 changed files with 37 additions and 38 deletions

View file

@ -160,18 +160,18 @@ void EVENT_USB_Device_ControlRequest(void)
case AUDIO_REQ_SetCurrent:
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_ENDPOINT))
{
/* Extract out the relevant request information to get the target Endpoint index and control being set */
uint8_t EndpointIndex = (uint8_t)USB_ControlRequest.wIndex;
/* Extract out the relevant request information to get the target Endpoint address and control being set */
uint8_t EndpointAddress = (uint8_t)USB_ControlRequest.wIndex;
uint8_t EndpointControl = (USB_ControlRequest.wValue >> 8);
/* Only handle SET CURRENT requests to the audio endpoint's sample frequency property */
if ((EndpointIndex == AUDIO_STREAM_EPNUM) && (EndpointControl == AUDIO_EPCONTROL_SamplingFreq))
if ((EndpointAddress == (ENDPOINT_DESCRIPTOR_DIR_IN | AUDIO_STREAM_EPNUM)) && (EndpointControl == AUDIO_EPCONTROL_SamplingFreq))
{
uint8_t SampleRate[3];
Endpoint_ClearSETUP();
Endpoint_Read_Control_Stream_LE(SampleRate, sizeof(SampleRate));
Endpoint_ClearOUT();
Endpoint_ClearIN();
/* Set the new sampling frequency to the value given by the host */
CurrentAudioSampleFrequency = (((uint32_t)SampleRate[2] << 16) | ((uint32_t)SampleRate[1] << 8) | (uint32_t)SampleRate[0]);
@ -183,14 +183,14 @@ void EVENT_USB_Device_ControlRequest(void)
break;
case AUDIO_REQ_GetCurrent:
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_ENDPOINT))
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_ENDPOINT))
{
/* Extract out the relevant request information to get the target Endpoint index and control being retrieved */
uint8_t EndpointIndex = (uint8_t)USB_ControlRequest.wIndex;
/* Extract out the relevant request information to get the target Endpoint address and control being retrieved */
uint8_t EndpointAddress = (uint8_t)USB_ControlRequest.wIndex;
uint8_t EndpointControl = (USB_ControlRequest.wValue >> 8);
/* Only handle GET CURRENT requests to the audio endpoint's sample frequency property */
if ((EndpointIndex == AUDIO_STREAM_EPNUM) && (EndpointControl == AUDIO_EPCONTROL_SamplingFreq))
if ((EndpointAddress == (ENDPOINT_DESCRIPTOR_DIR_IN | AUDIO_STREAM_EPNUM)) && (EndpointControl == AUDIO_EPCONTROL_SamplingFreq))
{
uint8_t SampleRate[3];

View file

@ -235,7 +235,7 @@ const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
.Header = {.Size = sizeof(USB_Audio_Descriptor_StreamEndpoint_Spc_t), .Type = DTYPE_CSEndpoint},
.Subtype = AUDIO_DSUBTYPE_CSEndpoint_General,
.Attributes = AUDIO_EP_ACCEPTS_SMALL_PACKETS,
.Attributes = (AUDIO_EP_ACCEPTS_SMALL_PACKETS | AUDIO_EP_SAMPLE_FREQ_CONTROL),
.LockDelayUnits = 0x00,
.LockDelay = 0x0000