static void handle_osmosdr_write(const USBGenericRequest* request)
{
uint16_t func = USBGenericRequest_GetValue(request);
int len = USBGenericRequest_GetLength(request);
int i;
/*
printf("OsmoSDR SET request: type:%d, request:%d, value:%04x, index: %04x, length: %d\n\r",
USBGenericRequest_GetType(request),
USBGenericRequest_GetRequest(request),
USBGenericRequest_GetValue(request),
USBGenericRequest_GetIndex(request),
len);
*/
for(i = 0; i < ARRAY_SIZE(g_writeRequests); i++) {
if(g_writeRequests[i].func == func)
break;
}
if(i == ARRAY_SIZE(g_writeRequests)) {
USBD_Stall(0);
return;
}
if(len != g_writeRequests[i].len) {
USBD_Stall(0);
return;
}
g_writeState.func = func;
if(len > 0)
USBD_Read(0, g_writeState.data, len, finalize_write, 0);
else finalize_write(NULL, 0, 0, 0);
}
static void handle_osmosdr_read(const USBGenericRequest* request)
{
int len = USBGenericRequest_GetLength(request);
printf("OsmoSDR GET request: type:%d, request:%d, value:%d, index: %d, length: %d\n\r",
USBGenericRequest_GetType(request),
USBGenericRequest_GetRequest(request),
USBGenericRequest_GetValue(request),
USBGenericRequest_GetIndex(request),
len);
USBD_Stall(0);
}
//------------------------------------------------------------------------------
/// Returns the number of the configuration that should be set in response
/// to the given SET_CONFIGURATION request.
/// \param request Pointer to a USBGenericRequest instance.
/// \return Number of the requested configuration.
//------------------------------------------------------------------------------
unsigned char USBSetConfigurationRequest_GetConfiguration(
const USBGenericRequest *request)
{
return USBGenericRequest_GetValue(request);
}
//------------------------------------------------------------------------------
/// Returns the feature selector of a given CLEAR_FEATURE or SET_FEATURE
/// request.
/// \param request Pointer to a USBGenericRequest instance.
/// \return Feature selector.
//------------------------------------------------------------------------------
unsigned char USBFeatureRequest_GetFeatureSelector(
const USBGenericRequest *request)
{
return USBGenericRequest_GetValue(request);
}
//------------------------------------------------------------------------------
/// Indicates the ID of the report targetted by a SET_REPORT or GET_REPORT
/// request. This value should be 0 if report IDs are not used.
/// \param request Pointer to a USBGenericRequest instance.
/// \return Requested report ID.
//------------------------------------------------------------------------------
unsigned char HIDReportRequest_GetReportId(const USBGenericRequest *request)
{
return (USBGenericRequest_GetValue(request) & 0xFF);
}
//------------------------------------------------------------------------------
/// Returns the index of the requested descriptor, given the corresponding
/// GET_DESCRIPTOR request.
/// \param request Pointer to a USBGenericDescriptor instance.
/// \return Index of the requested descriptor.
//------------------------------------------------------------------------------
unsigned char USBGetDescriptorRequest_GetDescriptorIndex(
const USBGenericRequest *request)
{
// Requested descriptor index if in the low byte of the wValue field
return USBGenericRequest_GetValue(request) & 0xFF;
}
//------------------------------------------------------------------------------
/// Returns the channel number of a Feature unit which should be altered by the
/// given request.
/// \param request Pointer to a USBGenericRequest instance.
//------------------------------------------------------------------------------
unsigned char AUDFeatureUnitRequest_GetChannel(const USBGenericRequest *request)
{
return (USBGenericRequest_GetValue(request) & 0xFF);
}
/**
* Indicates the new alternate setting that the interface targetted by a
* SET_INTERFACE request should use.
* \param request Pointer to a USBGenericRequest instance.
* \return New active setting for the interface.
*/
uint8_t USBInterfaceRequest_GetAlternateSetting(
const USBGenericRequest *request)
{
return (USBGenericRequest_GetValue(request) & 0xFF);
}
/**
* Returns the feature selector of a given CLEAR_FEATURE or SET_FEATURE
* request.
* \param request Pointer to a USBGenericRequest instance.
* \return Feature selector.
*/
uint8_t USBFeatureRequest_GetFeatureSelector(
const USBGenericRequest *request)
{
return USBGenericRequest_GetValue(request);
}
/**
* Returns the number of the configuration that should be set in response
* to the given SET_CONFIGURATION request.
* \param request Pointer to a USBGenericRequest instance.
* \return Number of the requested configuration.
*/
uint8_t USBSetConfigurationRequest_GetConfiguration(
const USBGenericRequest *request)
{
return USBGenericRequest_GetValue(request);
}
/**
* Returns the address that the device must take in response to a
* SET_ADDRESS request.
* \param request Pointer to a USBGenericRequest instance.
* \return New device address.
*/
uint8_t USBSetAddressRequest_GetAddress(const USBGenericRequest *request)
{
return USBGenericRequest_GetValue(request) & 0x7F;
}
/**
* Returns the index of the requested descriptor, given the corresponding
* GET_DESCRIPTOR request.
* \param request Pointer to a USBGenericDescriptor instance.
* \return Index of the requested descriptor.
*/
uint8_t USBGetDescriptorRequest_GetDescriptorIndex(
const USBGenericRequest *request)
{
/* Requested descriptor index if in the low byte of the wValue field */
return USBGenericRequest_GetValue(request) & 0xFF;
}
//------------------------------------------------------------------------------
// Exported functions
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
/// Returns the address that the device must take in response to a
/// SET_ADDRESS request.
/// \param request Pointer to a USBGenericRequest instance.
/// \return New device address.
//------------------------------------------------------------------------------
unsigned char USBSetAddressRequest_GetAddress(const USBGenericRequest *request)
{
return USBGenericRequest_GetValue(request) & 0x7F;
}
/**
* Indicates the ID of the report targetted by a SET_REPORT or GET_REPORT
* request. This value should be 0 if report IDs are not used.
* \param request Pointer to a USBGenericRequest instance.
* \return Requested report ID.
*/
uint8_t HIDReportRequest_GetReportId(const USBGenericRequest *request)
{
return (USBGenericRequest_GetValue(request) & 0xFF);
}
