void CDC_Device_ProcessControlRequest(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) { if (!(Endpoint_IsSETUPReceived())) return; if (USB_ControlRequest.wIndex != CDCInterfaceInfo->Config.ControlInterfaceNumber) return; switch (USB_ControlRequest.bRequest) { case CDC_REQ_GetLineEncoding: if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)) { Endpoint_ClearSETUP(); while (!(Endpoint_IsINReady())); Endpoint_Write_32_LE(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS); Endpoint_Write_8(CDCInterfaceInfo->State.LineEncoding.CharFormat); Endpoint_Write_8(CDCInterfaceInfo->State.LineEncoding.ParityType); Endpoint_Write_8(CDCInterfaceInfo->State.LineEncoding.DataBits); Endpoint_ClearIN(); Endpoint_ClearStatusStage(); } break; case CDC_REQ_SetLineEncoding: if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) { Endpoint_ClearSETUP(); while (!(Endpoint_IsOUTReceived())) { if (USB_DeviceState == DEVICE_STATE_Unattached) return; } CDCInterfaceInfo->State.LineEncoding.BaudRateBPS = Endpoint_Read_32_LE(); CDCInterfaceInfo->State.LineEncoding.CharFormat = Endpoint_Read_8(); CDCInterfaceInfo->State.LineEncoding.ParityType = Endpoint_Read_8(); CDCInterfaceInfo->State.LineEncoding.DataBits = Endpoint_Read_8(); Endpoint_ClearOUT(); Endpoint_ClearStatusStage(); EVENT_CDC_Device_LineEncodingChanged(CDCInterfaceInfo); } break; case CDC_REQ_SetControlLineState: if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) { Endpoint_ClearSETUP(); Endpoint_ClearStatusStage(); CDCInterfaceInfo->State.ControlLineStates.HostToDevice = USB_ControlRequest.wValue; EVENT_CDC_Device_ControLineStateChanged(CDCInterfaceInfo); } break; case CDC_REQ_SendBreak: if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) { Endpoint_ClearSETUP(); Endpoint_ClearStatusStage(); EVENT_CDC_Device_BreakSent(CDCInterfaceInfo, (uint8_t)USB_ControlRequest.wValue); } break; } }
void USB_Device_ProcessControlRequest(uint8_t corenum) { // USB_ControlRequest.bmRequestType = Endpoint_Read_8(); // USB_ControlRequest.bRequest = Endpoint_Read_8(); // USB_ControlRequest.wValue = Endpoint_Read_16_LE(); // USB_ControlRequest.wIndex = Endpoint_Read_16_LE(); // USB_ControlRequest.wLength = Endpoint_Read_16_LE(); Endpoint_GetSetupPackage(corenum, (uint8_t*) &USB_ControlRequest); EVENT_USB_Device_ControlRequest(); if (Endpoint_IsSETUPReceived(corenum)) { uint8_t bmRequestType = USB_ControlRequest.bmRequestType; switch (USB_ControlRequest.bRequest) { case REQ_GetStatus: if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) || (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_ENDPOINT))) { USB_Device_GetStatus(corenum); } break; case REQ_ClearFeature: case REQ_SetFeature: if ((bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE)) || (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_ENDPOINT))) { USB_Device_ClearSetFeature(corenum); } break; case REQ_SetAddress: if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE)) USB_Device_SetAddress(corenum); break; case REQ_GetDescriptor: if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) || (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_INTERFACE))) { USB_Device_GetDescriptor(corenum); } break; case REQ_GetConfiguration: if (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) USB_Device_GetConfiguration(corenum); break; case REQ_SetConfiguration: if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE)) USB_Device_SetConfiguration(corenum); break; } } if (Endpoint_IsSETUPReceived(corenum)) { Endpoint_ClearSETUP(corenum); Endpoint_StallTransaction(corenum); } }
void USB_Device_ProcessControlRequest(void) { #if defined(ARCH_BIG_ENDIAN) USB_ControlRequest.bmRequestType = Endpoint_Read_8(); USB_ControlRequest.bRequest = Endpoint_Read_8(); USB_ControlRequest.wValue = Endpoint_Read_16_LE(); USB_ControlRequest.wIndex = Endpoint_Read_16_LE(); USB_ControlRequest.wLength = Endpoint_Read_16_LE(); #else uint8_t* RequestHeader = (uint8_t*)&USB_ControlRequest; for (uint8_t RequestHeaderByte = 0; RequestHeaderByte < sizeof(USB_Request_Header_t); RequestHeaderByte++) *(RequestHeader++) = Endpoint_Read_8(); #endif EVENT_USB_Device_ControlRequest(); if (Endpoint_IsSETUPReceived()) { uint8_t bmRequestType = USB_ControlRequest.bmRequestType; switch (USB_ControlRequest.bRequest) { case REQ_GetStatus: if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) || (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_ENDPOINT))) { USB_Device_GetStatus(); } break; case REQ_ClearFeature: case REQ_SetFeature: if ((bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE)) || (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_ENDPOINT))) { USB_Device_ClearSetFeature(); } break; case REQ_SetAddress: if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE)) USB_Device_SetAddress(); break; case REQ_GetDescriptor: if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) || (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_INTERFACE))) { USB_Device_GetDescriptor(); } break; case REQ_GetConfiguration: if (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) USB_Device_GetConfiguration(); break; case REQ_SetConfiguration: if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE)) USB_Device_SetConfiguration(); break; default: break; } } if (Endpoint_IsSETUPReceived()) { Endpoint_ClearSETUP(); Endpoint_StallTransaction(); } }
void USB_Device_ProcessControlRequest(void) { bool RequestHandled = false; uint8_t* RequestHeader = (uint8_t*)&USB_ControlRequest; for (uint8_t RequestHeaderByte = 0; RequestHeaderByte < sizeof(USB_Request_Header_t); RequestHeaderByte++) *(RequestHeader++) = Endpoint_Read_Byte(); uint8_t bmRequestType = USB_ControlRequest.bmRequestType; switch (USB_ControlRequest.bRequest) { case REQ_GetStatus: if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) || (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_ENDPOINT))) { USB_Device_GetStatus(); RequestHandled = true; } break; case REQ_ClearFeature: case REQ_SetFeature: if ((bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE)) || (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_ENDPOINT))) { USB_Device_ClearSetFeature(); RequestHandled = true; } break; case REQ_SetAddress: if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE)) { USB_Device_SetAddress(); RequestHandled = true; } break; case REQ_GetDescriptor: if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) || (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_INTERFACE))) { USB_Device_GetDescriptor(); RequestHandled = true; } break; case REQ_GetConfiguration: if (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) { USB_Device_GetConfiguration(); RequestHandled = true; } break; case REQ_SetConfiguration: if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE)) { USB_Device_SetConfiguration(); RequestHandled = true; } break; } if (!(RequestHandled)) EVENT_USB_Device_UnhandledControlRequest(); if (Endpoint_IsSETUPReceived()) { Endpoint_StallTransaction(); Endpoint_ClearSETUP(); } }