X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/f896c00c48f04fb9273555ab8d9b1af99f865d25..84c3c4a3d90e7f890c61d4640c2d65a469b42b79:/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 6eca8ae67..4402f3386 100644 --- a/LUFA/Drivers/USB/Class/Host/CDC.c +++ b/LUFA/Drivers/USB/Class/Host/CDC.c @@ -34,24 +34,13 @@ #define INCLUDE_FROM_CDC_CLASS_HOST_C #include "CDC.h" -static uint8_t CDC_Host_ProcessConfigDescriptor(void) +uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint16_t ConfigDescriptorSize, + uint8_t* ConfigDescriptorData) { - uint8_t* ConfigDescriptorData; - uint16_t ConfigDescriptorSize; uint8_t FoundEndpoints = 0; - - if (USB_GetDeviceConfigDescriptor(&ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful) - return CDC_ENUMERROR_ControlError; - - if (ConfigDescriptorSize > 512) - return CDC_ENUMERROR_DescriptorTooLarge; - - ConfigDescriptorData = alloca(ConfigDescriptorSize); - USB_GetDeviceConfigDescriptor(&ConfigDescriptorSize, ConfigDescriptorData); - if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration) - return CDC_ENUMERROR_InvalidConfigDataReturned; + return CDC_ENUMERROR_InvalidConfigDescriptor; if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, DComp_CDC_Host_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found) @@ -59,19 +48,16 @@ static uint8_t CDC_Host_ProcessConfigDescriptor(void) 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 CDC_ENUMERROR_NoCDCInterfaceFound; } } @@ -79,11 +65,11 @@ static uint8_t CDC_Host_ProcessConfigDescriptor(void) { 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, @@ -96,7 +82,7 @@ static uint8_t CDC_Host_ProcessConfigDescriptor(void) if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, DComp_CDC_Host_NextInterfaceCDCDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) { - return CDC_ENUMERROR_NoEndpointFound; + return CDC_ENUMERROR_EndpointsNotFound; } } @@ -106,35 +92,32 @@ 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; } } } @@ -146,10 +129,12 @@ 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 +147,12 @@ 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; } @@ -178,11 +165,16 @@ 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; + if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) && + !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress))) + { + return DESCRIPTOR_SEARCH_Found; + } } else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) { @@ -194,28 +186,7 @@ static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescript void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo) { - uint8_t ErrorCode; - - switch (USB_HostState) - { - case HOST_STATE_Addressed: - if ((ErrorCode = CDC_Host_ProcessConfigDescriptor()) != SuccessfulConfigRead) - { - USB_HostState = HOST_STATE_Unattached; - } - if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful) - { - USB_HostState = HOST_STATE_Unattached; - } - - USB_HostState = HOST_STATE_Configured; - break; - case HOST_STATE_Configured: - - USB_HostState = HOST_STATE_Ready; - break; - } } #endif