void fastsource_req_hdlr(const USBGenericRequest *request) { unsigned char entity; unsigned char interface; switch (USBGenericRequest_GetType(request)) { case USBGenericRequest_STANDARD: USBDDriver_RequestHandler(&fast_source_driver, request); return; case USBGenericRequest_CLASS: /* continue below */ break; default: TRACE_WARNING("Unsupported request type %u\n\r", USBGenericRequest_GetType(request)); USBD_Stall(0); return; } switch (USBGenericRequest_GetRequest(request)) { case AUDGenericRequest_SETCUR: entity = AUDGenericRequest_GetEntity(request); interface = AUDGenericRequest_GetInterface(request); if (((entity == AUDDLoopRecDriverDescriptors_FEATUREUNIT) || (entity == AUDDLoopRecDriverDescriptors_FEATUREUNIT_REC)) && (interface == AUDDLoopRecDriverDescriptors_CONTROL)) { fastsource_set_feat_cur_val(entity, AUDFeatureUnitRequest_GetChannel(request), AUDFeatureUnitRequest_GetControl(request), USBGenericRequest_GetLength(request)); } else { TRACE_WARNING("Unsupported entity/interface combination 0x%04x\n\r", USBGenericRequest_GetIndex(request)); USBD_Stall(0); } break; case AUDGenericRequest_GETCUR: entity = AUDGenericRequest_GetEntity(request); interface = AUDGenericRequest_GetInterface(request); if (((entity == AUDDLoopRecDriverDescriptors_FEATUREUNIT) || (entity == AUDDLoopRecDriverDescriptors_FEATUREUNIT_REC)) && (interface == AUDDLoopRecDriverDescriptors_CONTROL)) { fastsource_get_feat_cur_val(entity, AUDFeatureUnitRequest_GetChannel(request), AUDFeatureUnitRequest_GetControl(request), USBGenericRequest_GetLength(request)); } else { TRACE_WARNING("Unsupported entity/interface combination 0x%04x\n\r", USBGenericRequest_GetIndex(request)); USBD_Stall(0); } break; default: TRACE_WARNING("Unsupported request %u\n\r", USBGenericRequest_GetIndex(request)); USBD_Stall(0); break; } }
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 endpoint number targetted by a given request. /// \param request Pointer to a USBGenericRequest instance. /// \return Endpoint number. //------------------------------------------------------------------------------ unsigned char USBGenericRequest_GetEndpointNumber( const USBGenericRequest *request) { return USBGenericRequest_GetIndex(request) & 0xF; }
//------------------------------------------------------------------------------ /// Handles the given request if it is standard, otherwise STALLs it. /// \param pDriver Pointer to a USBDDriver instance. /// \param pRequest Pointer to a USBGenericRequest instance. //------------------------------------------------------------------------------ void USBDDriver_RequestHandler( USBDDriver *pDriver, const USBGenericRequest *pRequest) { unsigned char cfgnum; unsigned char infnum; unsigned char eptnum; unsigned char setting; unsigned char type; unsigned char indexDesc; unsigned int length; unsigned int address; TRACE_INFO_WP("Std "); // Check request code switch (USBGenericRequest_GetRequest(pRequest)) { case USBGenericRequest_GETDESCRIPTOR: TRACE_INFO_WP("gDesc "); // Send the requested descriptor type = USBGetDescriptorRequest_GetDescriptorType(pRequest); indexDesc = USBGetDescriptorRequest_GetDescriptorIndex(pRequest); length = USBGenericRequest_GetLength(pRequest); GetDescriptor(pDriver, type, indexDesc, length); break; case USBGenericRequest_SETADDRESS: TRACE_INFO_WP("sAddr "); // Sends a zero-length packet and then set the device address address = USBSetAddressRequest_GetAddress(pRequest); USBD_Write(0, 0, 0, (TransferCallback) USBD_SetAddress, (void *) address); break; case USBGenericRequest_SETCONFIGURATION: TRACE_INFO_WP("sCfg "); // Set the requested configuration cfgnum = USBSetConfigurationRequest_GetConfiguration(pRequest); SetConfiguration(pDriver, cfgnum); break; case USBGenericRequest_GETCONFIGURATION: TRACE_INFO_WP("gCfg "); // Send the current configuration number GetConfiguration(pDriver); break; case USBGenericRequest_GETSTATUS: TRACE_INFO_WP("gSta "); // Check who is the recipient switch (USBGenericRequest_GetRecipient(pRequest)) { case USBGenericRequest_DEVICE: TRACE_INFO_WP("Dev "); // Send the device status GetDeviceStatus(pDriver); break; case USBGenericRequest_ENDPOINT: TRACE_INFO_WP("Ept "); // Send the endpoint status eptnum = USBGenericRequest_GetEndpointNumber(pRequest); GetEndpointStatus(eptnum); break; default: TRACE_WARNING( "USBDDriver_RequestHandler: Unknown recipient (%d)\n\r", USBGenericRequest_GetRecipient(pRequest)); USBD_Stall(0); } break; case USBGenericRequest_CLEARFEATURE: TRACE_INFO_WP("cFeat "); // Check which is the requested feature switch (USBFeatureRequest_GetFeatureSelector(pRequest)) { case USBFeatureRequest_ENDPOINTHALT: TRACE_INFO_WP("Hlt "); // Unhalt endpoint and send a zero-length packet USBD_Unhalt(USBGenericRequest_GetEndpointNumber(pRequest)); USBD_Write(0, 0, 0, 0, 0); break; case USBFeatureRequest_DEVICEREMOTEWAKEUP: TRACE_INFO_WP("RmWU "); // Disable remote wake-up and send a zero-length packet pDriver->isRemoteWakeUpEnabled = 0; USBD_Write(0, 0, 0, 0, 0); break; default: TRACE_WARNING( "USBDDriver_RequestHandler: Unknown feature selector (%d)\n\r", USBFeatureRequest_GetFeatureSelector(pRequest)); USBD_Stall(0); } break; case USBGenericRequest_SETFEATURE: TRACE_INFO_WP("sFeat "); // Check which is the selected feature switch (USBFeatureRequest_GetFeatureSelector(pRequest)) { case USBFeatureRequest_DEVICEREMOTEWAKEUP: TRACE_INFO_WP("RmWU "); // Enable remote wake-up and send a ZLP pDriver->isRemoteWakeUpEnabled = 1; USBD_Write(0, 0, 0, 0, 0); break; case USBFeatureRequest_ENDPOINTHALT: TRACE_INFO_WP("Halt "); // Halt endpoint USBD_Halt(USBGenericRequest_GetEndpointNumber(pRequest)); USBD_Write(0, 0, 0, 0, 0); break; #if defined(CHIP_USB_UDPHS) || defined(CHIP_USB_OTGHS) case USBFeatureRequest_TESTMODE: // 7.1.20 Test Mode Support if ((USBGenericRequest_GetType(pRequest) == USBGenericRequest_DEVICE) && ((USBGenericRequest_GetIndex(pRequest) & 0x000F) == 0)) { // Handle test request USBDDriver_Test(USBFeatureRequest_GetTestSelector(pRequest)); } else { USBD_Stall(0); } break; #endif #if defined(CHIP_USB_OTGHS) case USBFeatureRequest_OTG_B_HNP_ENABLE: TRACE_INFO_WP("OTG_B_HNP_ENABLE "); otg_features_supported |= 1<<USBFeatureRequest_OTG_B_HNP_ENABLE; USBD_Write(0, 0, 0, 0, 0); break; case USBFeatureRequest_OTG_A_HNP_SUPPORT: TRACE_INFO_WP("OTG_A_HNP_SUPPORT "); otg_features_supported |= 1<<USBFeatureRequest_OTG_A_HNP_SUPPORT; USBD_Write(0, 0, 0, 0, 0); break; case USBFeatureRequest_OTG_A_ALT_HNP_SUPPORT: TRACE_INFO_WP("OTG_A_ALT_HNP_SUPPORT "); otg_features_supported |= 1<<USBFeatureRequest_OTG_A_ALT_HNP_SUPPORT; USBD_Write(0, 0, 0, 0, 0); break; #endif default: TRACE_WARNING( "USBDDriver_RequestHandler: Unknown feature selector (%d)\n\r", USBFeatureRequest_GetFeatureSelector(pRequest)); USBD_Stall(0); } break; case USBGenericRequest_SETINTERFACE: TRACE_INFO_WP("sInterface "); infnum = USBInterfaceRequest_GetInterface(pRequest); setting = USBInterfaceRequest_GetAlternateSetting(pRequest); SetInterface(pDriver, infnum, setting); break; case USBGenericRequest_GETINTERFACE: TRACE_INFO_WP("gInterface "); infnum = USBInterfaceRequest_GetInterface(pRequest); GetInterface(pDriver, infnum); break; default: TRACE_WARNING( "USBDDriver_RequestHandler: Unknown request code (%d)\n\r", USBGenericRequest_GetRequest(pRequest)); USBD_Stall(0); } }
//------------------------------------------------------------------------------ /// Handles audio-specific USB requests sent by the host, and forwards /// standard ones to the USB device driver. /// \param request Pointer to a USBGenericRequest instance. //------------------------------------------------------------------------------ void AUDDSpeakerDriver_RequestHandler(const USBGenericRequest *request) { unsigned char entity; unsigned char interface; TRACE_INFO_WP("NewReq "); // Check if this is a class request if (USBGenericRequest_GetType(request) == USBGenericRequest_CLASS) { // Check if the request is supported switch (USBGenericRequest_GetRequest(request)) { case AUDGenericRequest_SETCUR: TRACE_INFO_WP( "sCur(0x%04X) ", USBGenericRequest_GetIndex(request)); // Check the target interface and entity entity = AUDGenericRequest_GetEntity(request); interface = AUDGenericRequest_GetInterface(request); if ((entity == AUDDSpeakerDriverDescriptors_FEATUREUNIT) && (interface == AUDDSpeakerDriverDescriptors_CONTROL)) { AUDDSpeakerDriver_SetFeatureCurrentValue( entity, AUDFeatureUnitRequest_GetChannel(request), AUDFeatureUnitRequest_GetControl(request), USBGenericRequest_GetLength(request)); } else { TRACE_WARNING( "AUDDSpeakerDriver_RequestHandler: Unsupported entity/interface combination (0x%04X)\n\r", USBGenericRequest_GetIndex(request)); USBD_Stall(0); } break; case AUDGenericRequest_GETCUR: TRACE_INFO_WP( "gCur(0x%04X) ", USBGenericRequest_GetIndex(request)); // Check the target interface and entity entity = AUDGenericRequest_GetEntity(request); interface = AUDGenericRequest_GetInterface(request); if ((entity == AUDDSpeakerDriverDescriptors_FEATUREUNIT) && (interface == AUDDSpeakerDriverDescriptors_CONTROL)) { AUDDSpeakerDriver_GetFeatureCurrentValue( entity, AUDFeatureUnitRequest_GetChannel(request), AUDFeatureUnitRequest_GetControl(request), USBGenericRequest_GetLength(request)); } else { TRACE_WARNING( "AUDDSpeakerDriver_RequestHandler: Unsupported entity/interface combination (0x%04X)\n\r", USBGenericRequest_GetIndex(request)); USBD_Stall(0); } break; default: TRACE_WARNING( "AUDDSpeakerDriver_RequestHandler: Unsupported request (%d)\n\r", USBGenericRequest_GetRequest(request)); USBD_Stall(0); } } // Check if this is a standard request else if (USBGenericRequest_GetType(request) == USBGenericRequest_STANDARD) { // Forward request to the standard handler USBDDriver_RequestHandler(&(auddSpeakerDriver.usbdDriver), request); } // Unsupported request type else { TRACE_WARNING( "AUDDSpeakerDriver_RequestHandler: Unsupported request type (%d)\n\r", USBGenericRequest_GetType(request)); USBD_Stall(0); } }
/** * Returns the ID of the interface targeted by an USB audio request. * \param request Pointer to a USBGenericRequest instance. */ uint8_t AUDGenericRequest_GetInterface(const USBGenericRequest *request) { return (USBGenericRequest_GetIndex(request) & 0xFF); }
//------------------------------------------------------------------------------ /// Returns the ID of the interface targetted by an USB audio request. /// \param request Pointer to a USBGenericRequest instance. //------------------------------------------------------------------------------ unsigned char AUDGenericRequest_GetInterface(const USBGenericRequest *request) { return (USBGenericRequest_GetIndex(request) & 0xFF); }
//----------------------------------------------------------------------------- /// Handles AUDIO-specific USB requests sent by the host /// \param request Pointer to a USBGenericRequest instance. /// \return 0 if the request is Unsupported, 1 if the request handled. //----------------------------------------------------------------------------- unsigned char AUDDFunctionDriver_RequestHandler( const USBGenericRequest *request) { unsigned char entity; unsigned char interface; // Check if the request is supported switch (USBGenericRequest_GetRequest(request)) { case AUDGenericRequest_SETCUR: TRACE_INFO_WP( "sCur(0x%04X) ", USBGenericRequest_GetIndex(request)); // Check the target interface and entity entity = AUDGenericRequest_GetEntity(request); interface = AUDGenericRequest_GetInterface(request); if ((entity == AUDD_Descriptors_FEATUREUNIT) && (interface == AUDD_Descriptors_CONTROL)) { AUDD_SetFeatureCurrentValue( AUDFeatureUnitRequest_GetChannel(request), AUDFeatureUnitRequest_GetControl(request), USBGenericRequest_GetLength(request)); } else { TRACE_WARNING( "AUDDSpeakerDriver_RequestHandler: Unsupported entity/interface combination (0x%04X)\n\r", USBGenericRequest_GetIndex(request)); USBD_Stall(0); } break; case AUDGenericRequest_GETCUR: TRACE_INFO_WP( "gCur(0x%04X) ", USBGenericRequest_GetIndex(request)); // Check the target interface and entity entity = AUDGenericRequest_GetEntity(request); interface = AUDGenericRequest_GetInterface(request); if ((entity == AUDD_Descriptors_FEATUREUNIT) && (interface == AUDD_Descriptors_CONTROL)) { AUDD_GetFeatureCurrentValue( AUDFeatureUnitRequest_GetChannel(request), AUDFeatureUnitRequest_GetControl(request), USBGenericRequest_GetLength(request)); } else { TRACE_WARNING( "AUDDSpeakerDriver_RequestHandler: Unsupported entity/interface combination (0x%04X)\n\r", USBGenericRequest_GetIndex(request)); USBD_Stall(0); } break; default: return 0; } return 1; }
/** * Handles the given request if it is standard, otherwise STALLs it. * \param pDriver Pointer to a USBDDriver instance. * \param pRequest Pointer to a USBGenericRequest instance. */ void USBDDriver_RequestHandler( USBDDriver *pDriver, const USBGenericRequest *pRequest) { uint8_t cfgnum; uint8_t infnum; uint8_t eptnum; uint8_t setting; uint8_t type; uint8_t indexDesc; uint32_t length; uint32_t address; TRACE_INFO_WP("Std "); /* Check request code */ switch (USBGenericRequest_GetRequest(pRequest)) { case USBGenericRequest_GETDESCRIPTOR: TRACE_INFO_WP("gDesc "); /* Send the requested descriptor */ type = USBGetDescriptorRequest_GetDescriptorType(pRequest); indexDesc = USBGetDescriptorRequest_GetDescriptorIndex(pRequest); length = USBGenericRequest_GetLength(pRequest); GetDescriptor(pDriver, type, indexDesc, length); break; case USBGenericRequest_SETADDRESS: TRACE_INFO_WP("sAddr "); /* Sends a zero-length packet and then set the device address */ address = USBSetAddressRequest_GetAddress(pRequest); USBD_Write(0, 0, 0, (TransferCallback) USBD_SetAddress, (void *) address); break; case USBGenericRequest_SETCONFIGURATION: TRACE_INFO_WP("sCfg "); /* Set the requested configuration */ cfgnum = USBSetConfigurationRequest_GetConfiguration(pRequest); SetConfiguration(pDriver, cfgnum); break; case USBGenericRequest_GETCONFIGURATION: TRACE_INFO_WP("gCfg "); /* Send the current configuration number */ GetConfiguration(pDriver); break; case USBGenericRequest_GETSTATUS: TRACE_INFO_WP("gSta "); /* Check who is the recipient */ switch (USBGenericRequest_GetRecipient(pRequest)) { case USBGenericRequest_DEVICE: TRACE_INFO_WP("Dev "); /* Send the device status */ GetDeviceStatus(pDriver); break; case USBGenericRequest_ENDPOINT: TRACE_INFO_WP("Ept "); /* Send the endpoint status */ eptnum = USBGenericRequest_GetEndpointNumber(pRequest); GetEndpointStatus(eptnum); break; default: TRACE_WARNING( "USBDDriver_RequestHandler: Unknown recipient (%d)\n\r", USBGenericRequest_GetRecipient(pRequest)); USBD_Stall(0); } break; case USBGenericRequest_CLEARFEATURE: TRACE_INFO_WP("cFeat "); /* Check which is the requested feature */ switch (USBFeatureRequest_GetFeatureSelector(pRequest)) { case USBFeatureRequest_ENDPOINTHALT: TRACE_INFO_WP("Hlt "); /* Unhalt endpoint and send a zero-length packet */ USBD_Unhalt(USBGenericRequest_GetEndpointNumber(pRequest)); USBD_Write(0, 0, 0, 0, 0); break; case USBFeatureRequest_DEVICEREMOTEWAKEUP: TRACE_INFO_WP("RmWU "); /* Disable remote wake-up and send a zero-length packet */ pDriver->isRemoteWakeUpEnabled = 0; USBD_Write(0, 0, 0, 0, 0); break; default: TRACE_WARNING( "USBDDriver_RequestHandler: Unknown feature selector (%d)\n\r", USBFeatureRequest_GetFeatureSelector(pRequest)); USBD_Stall(0); } break; case USBGenericRequest_SETFEATURE: TRACE_INFO_WP("sFeat "); /* Check which is the selected feature */ switch (USBFeatureRequest_GetFeatureSelector(pRequest)) { case USBFeatureRequest_DEVICEREMOTEWAKEUP: TRACE_INFO_WP("RmWU "); /* Enable remote wake-up and send a ZLP */ pDriver->isRemoteWakeUpEnabled = 1; USBD_Write(0, 0, 0, 0, 0); break; case USBFeatureRequest_ENDPOINTHALT: TRACE_INFO_WP("Halt "); /* Halt endpoint */ USBD_Halt(USBGenericRequest_GetEndpointNumber(pRequest)); USBD_Write(0, 0, 0, 0, 0); break; case USBFeatureRequest_OTG_B_HNP_ENABLE: TRACE_INFO_WP("OTG_B_HNP_ENABLE "); pDriver->otg_features_supported |= 1<<USBFeatureRequest_OTG_B_HNP_ENABLE; USBD_Write(0, 0, 0, 0, 0); break; case USBFeatureRequest_OTG_A_HNP_SUPPORT: TRACE_INFO_WP("OTG_A_HNP_SUPPORT "); pDriver->otg_features_supported |= 1<<USBFeatureRequest_OTG_A_HNP_SUPPORT; USBD_Write(0, 0, 0, 0, 0); break; case USBFeatureRequest_OTG_A_ALT_HNP_SUPPORT: TRACE_INFO_WP("OTG_A_ALT_HNP_SUPPORT "); pDriver->otg_features_supported |= 1<<USBFeatureRequest_OTG_A_ALT_HNP_SUPPORT; USBD_Write(0, 0, 0, 0, 0); break; default: TRACE_WARNING( "USBDDriver_RequestHandler: Unknown feature selector (%d)\n\r", USBFeatureRequest_GetFeatureSelector(pRequest)); USBD_Stall(0); } break; case USBGenericRequest_SETINTERFACE: TRACE_INFO_WP("sInterface "); infnum = USBInterfaceRequest_GetInterface(pRequest); setting = USBInterfaceRequest_GetAlternateSetting(pRequest); SetInterface(pDriver, infnum, setting); break; case USBGenericRequest_GETINTERFACE: TRACE_INFO_WP("gInterface "); infnum = USBInterfaceRequest_GetInterface(pRequest); GetInterface(pDriver, infnum); break; case USBGenericRequest_GETMSDESCRIPTOR: TRACE_INFO_WP("gMSDesc "); /* Send the requested descriptor */ length = USBGenericRequest_GetLength(pRequest); GetMSDescriptor(pDriver, USBGenericRequest_GetIndex(pRequest), length); break; default: TRACE_WARNING( "USBDDriver_RequestHandler: Unknown request code (%d)\n\r", USBGenericRequest_GetRequest(pRequest)); USBD_Stall(0); } }