X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/b7049da11b6fe3c37b23d8f7dddfff08ba14f449..b462f2d457ec2f0cfa22a1c3db198cb22f6809a1:/LUFA/Drivers/USB/Class/Host/CDC.c diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c index 32cc9e6eb..943cb7363 100644 --- a/LUFA/Drivers/USB/Class/Host/CDC.c +++ b/LUFA/Drivers/USB/Class/Host/CDC.c @@ -34,69 +34,68 @@ #define INCLUDE_FROM_CDC_CLASS_HOST_C #include "CDC.h" -static uint8_t CDC_Host_ProcessConfigDescriptor(void) +static uint8_t CDC_Host_ProcessConfigDescriptor(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo) { uint8_t* ConfigDescriptorData; uint16_t ConfigDescriptorSize; uint8_t FoundEndpoints = 0; - if (USB_GetDeviceConfigDescriptor(&ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful) - return ControlError; + if (USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful) + return CDC_ENUMERROR_ControlError; if (ConfigDescriptorSize > 512) - return DescriptorTooLarge; + return CDC_ENUMERROR_DescriptorTooLarge; ConfigDescriptorData = alloca(ConfigDescriptorSize); - USB_GetDeviceConfigDescriptor(&ConfigDescriptorSize, ConfigDescriptorData); + USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData); if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration) - return InvalidConfigDataReturned; + return CDC_ENUMERROR_InvalidConfigDataReturned; if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, DComp_CDC_Host_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found) { - return NoCDCInterfaceFound; + return CDC_ENUMERROR_NoCDCInterfaceFound; } - while (FoundEndpoints != ((1 << CDC_NOTIFICATIONPIPE) | (1 << CDC_DATAPIPE_IN) | (1 << CDC_DATAPIPE_OUT))) + while (FoundEndpoints != (CDC_FOUND_DATAPIPE_IN | CDC_FOUND_DATAPIPE_OUT | CDC_FOUND_DATAPIPE_NOTIFICATION)) { if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, DComp_CDC_Host_NextInterfaceCDCDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) { /* Check to see if the control interface's notification pipe has been found, if so search for the data interface */ - if (FoundEndpoints & (1 << CDC_NOTIFICATIONPIPE)) + if (FoundEndpoints & CDC_FOUND_DATAPIPE_NOTIFICATION) { /* Get the next CDC data interface from the configuration descriptor (CDC class has two CDC interfaces) */ if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, DComp_CDC_Host_NextCDCDataInterface) != DESCRIPTOR_SEARCH_COMP_Found) { - /* Descriptor not found, error out */ - return NoCDCInterfaceFound; + return CDC_ENUMERROR_NoCDCInterfaceFound; } } else { FoundEndpoints = 0; - Pipe_SelectPipe(CDC_NOTIFICATIONPIPE); + Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber); Pipe_DisablePipe(); - Pipe_SelectPipe(CDC_DATAPIPE_IN); + Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber); Pipe_DisablePipe(); - Pipe_SelectPipe(CDC_DATAPIPE_OUT); + Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipeNumber); Pipe_DisablePipe(); if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, DComp_CDC_Host_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found) { - return NoCDCInterfaceFound; + return CDC_ENUMERROR_NoCDCInterfaceFound; } } if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, DComp_CDC_Host_NextInterfaceCDCDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) { - return NoEndpointFound; + return CDC_ENUMERROR_NoEndpointFound; } } @@ -106,50 +105,49 @@ static uint8_t CDC_Host_ProcessConfigDescriptor(void) { if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN) { - Pipe_ConfigurePipe(CDC_NOTIFICATIONPIPE, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN, + Pipe_ConfigurePipe(CDCInterfaceInfo->Config.NotificationPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN, EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE); + CDCInterfaceInfo->State.NotificationPipeSize = EndpointData->EndpointSize; - Pipe_SetInfiniteINRequests(); Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS); - FoundEndpoints |= (1 << CDC_NOTIFICATIONPIPE); + FoundEndpoints |= CDC_FOUND_DATAPIPE_NOTIFICATION; } } else { if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN) { - Pipe_ConfigurePipe(CDC_DATAPIPE_IN, EP_TYPE_BULK, PIPE_TOKEN_IN, + Pipe_ConfigurePipe(CDCInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN, EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE); + CDCInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize; - Pipe_SetInfiniteINRequests(); - Pipe_Unfreeze(); - - FoundEndpoints |= (1 << CDC_DATAPIPE_IN); + FoundEndpoints |= CDC_FOUND_DATAPIPE_IN; } else { - Pipe_ConfigurePipe(CDC_DATAPIPE_OUT, EP_TYPE_BULK, PIPE_TOKEN_OUT, + Pipe_ConfigurePipe(CDCInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT, EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE); + CDCInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize; - Pipe_Unfreeze(); - - FoundEndpoints |= (1 << CDC_DATAPIPE_OUT); + FoundEndpoints |= CDC_FOUND_DATAPIPE_OUT; } } } - return SuccessfulConfigRead; + return CDC_ENUMERROR_NoError; } static uint8_t DComp_CDC_Host_NextCDCControlInterface(void* CurrentDescriptor) { if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) { - /* Check the CDC descriptor class, subclass and protocol, break out if correct control interface found */ - if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class == CDC_CONTROL_CLASS) && - (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == CDC_CONTROL_SUBCLASS) && - (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == CDC_CONTROL_PROTOCOL)) + USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor, + USB_Descriptor_Interface_t); + + if ((CurrentInterface->Class == CDC_CONTROL_CLASS) && + (CurrentInterface->SubClass == CDC_CONTROL_SUBCLASS) && + (CurrentInterface->Protocol == CDC_CONTROL_PROTOCOL)) { return DESCRIPTOR_SEARCH_Found; } @@ -162,10 +160,12 @@ static uint8_t DComp_CDC_Host_NextCDCDataInterface(void* CurrentDescriptor) { if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) { - /* Check the CDC descriptor class, subclass and protocol, break out if correct data interface found */ - if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class == CDC_DATA_CLASS) && - (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == CDC_DATA_SUBCLASS) && - (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == CDC_DATA_PROTOCOL)) + USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor, + USB_Descriptor_Interface_t); + + if ((CurrentInterface->Class == CDC_DATA_CLASS) && + (CurrentInterface->SubClass == CDC_DATA_SUBCLASS) && + (CurrentInterface->Protocol == CDC_DATA_PROTOCOL)) { return DESCRIPTOR_SEARCH_Found; } @@ -178,8 +178,10 @@ static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescript { if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint) { - uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor, - USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK); + USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor, + USB_Descriptor_Endpoint_t) + + uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK); if ((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) return DESCRIPTOR_SEARCH_Found; @@ -192,25 +194,19 @@ static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescript return DESCRIPTOR_SEARCH_NotFound; } -void CDC_Host_Task(void) +void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo) { uint8_t ErrorCode; switch (USB_HostState) { case HOST_STATE_Addressed: - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE), - .bRequest = REQ_SetConfiguration, - .wValue = 1, - .wIndex = 0, - .wLength = 0, - }; - - Pipe_SelectPipe(PIPE_CONTROLPIPE); + if ((ErrorCode = CDC_Host_ProcessConfigDescriptor(CDCInterfaceInfo)) != CDC_ENUMERROR_NoError) + { + USB_HostState = HOST_STATE_Unattached; + } - if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful) + if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful) { USB_HostState = HOST_STATE_Unattached; } @@ -218,11 +214,6 @@ void CDC_Host_Task(void) USB_HostState = HOST_STATE_Configured; break; case HOST_STATE_Configured: - if ((ErrorCode = CDC_Host_ProcessConfigDescriptor()) != SuccessfulConfigRead) - { - USB_HostState = HOST_STATE_Unattached; - } - USB_HostState = HOST_STATE_Ready; break; }