#define INCLUDE_FROM_CDC_CLASS_HOST_C\r
#include "CDC.h"\r
\r
-static uint8_t CDC_Host_ProcessConfigDescriptor(void)\r
+uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint16_t ConfigDescriptorSize,\r
+ uint8_t* ConfigDescriptorData)\r
{\r
- uint8_t* ConfigDescriptorData;\r
- uint16_t ConfigDescriptorSize;\r
- uint8_t FoundEndpoints = 0;\r
- \r
- if (USB_GetDeviceConfigDescriptor(&ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful)\r
- return ControlError;\r
- \r
- if (ConfigDescriptorSize > MAX_CONFIG_DESCRIPTOR_SIZE)\r
- return DescriptorTooLarge;\r
- \r
- ConfigDescriptorData = alloca(ConfigDescriptorSize);\r
+ uint8_t FoundEndpoints = 0;\r
+\r
+ memset(&CDCInterfaceInfo->State, 0x00, sizeof(CDCInterfaceInfo->State));\r
\r
- USB_GetDeviceConfigDescriptor(&ConfigDescriptorSize, ConfigDescriptorData);\r
- \r
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)\r
- return InvalidConfigDataReturned;\r
+ return CDC_ENUMERROR_InvalidConfigDescriptor;\r
\r
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
DComp_CDC_Host_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)\r
{\r
- return NoCDCInterfaceFound;\r
+ return CDC_ENUMERROR_NoCDCInterfaceFound;\r
}\r
+ \r
+ CDCInterfaceInfo->State.ControlInterfaceNumber =\r
+#if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES)\r
+ DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).InterfaceNumber;\r
+#else\r
+ DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).bInterfaceNumber;\r
+#endif\r
\r
- while (FoundEndpoints != ((1 << CDC_NOTIFICATIONPIPE) | (1 << CDC_DATAPIPE_IN) | (1 << CDC_DATAPIPE_OUT)))\r
+ while (FoundEndpoints != (CDC_FOUND_NOTIFICATION_IN | CDC_FOUND_DATAPIPE_IN | CDC_FOUND_DATAPIPE_OUT))\r
{\r
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
- DComp_CDC_Host_NextInterfaceCDCDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)\r
+ DComp_CDC_Host_NextCDCInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)\r
{\r
- /* Check to see if the control interface's notification pipe has been found, if so search for the data interface */\r
- if (FoundEndpoints & (1 << CDC_NOTIFICATIONPIPE))\r
+ if (FoundEndpoints & CDC_FOUND_NOTIFICATION_IN)\r
{\r
- /* Get the next CDC data interface from the configuration descriptor (CDC class has two CDC interfaces) */\r
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, \r
DComp_CDC_Host_NextCDCDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)\r
{\r
- /* Descriptor not found, error out */\r
- return NoCDCInterfaceFound;\r
+ return CDC_ENUMERROR_NoCDCInterfaceFound;\r
}\r
}\r
else\r
{\r
FoundEndpoints = 0;\r
\r
- Pipe_SelectPipe(CDC_NOTIFICATIONPIPE);\r
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);\r
Pipe_DisablePipe();\r
- Pipe_SelectPipe(CDC_DATAPIPE_IN);\r
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);\r
Pipe_DisablePipe();\r
- Pipe_SelectPipe(CDC_DATAPIPE_OUT);\r
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipeNumber);\r
Pipe_DisablePipe();\r
\r
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
DComp_CDC_Host_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)\r
{\r
- return NoCDCInterfaceFound;\r
+ return CDC_ENUMERROR_NoCDCInterfaceFound;\r
}\r
}\r
\r
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
- DComp_CDC_Host_NextInterfaceCDCDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)\r
+ DComp_CDC_Host_NextCDCInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)\r
{\r
- return NoEndpointFound;\r
+ return CDC_ENUMERROR_EndpointsNotFound;\r
}\r
}\r
\r
{\r
if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)\r
{ \r
- Pipe_ConfigurePipe(CDC_NOTIFICATIONPIPE, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,\r
+ Pipe_ConfigurePipe(CDCInterfaceInfo->Config.NotificationPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,\r
EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);\r
+ CDCInterfaceInfo->State.NotificationPipeSize = EndpointData->EndpointSize;\r
\r
- Pipe_SetInfiniteINRequests();\r
Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS);\r
\r
- FoundEndpoints |= (1 << CDC_NOTIFICATIONPIPE);\r
+ FoundEndpoints |= CDC_FOUND_NOTIFICATION_IN;\r
}\r
}\r
else\r
{\r
if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)\r
{\r
- Pipe_ConfigurePipe(CDC_DATAPIPE_IN, EP_TYPE_BULK, PIPE_TOKEN_IN,\r
+ Pipe_ConfigurePipe(CDCInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,\r
EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);\r
+ CDCInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;\r
\r
- Pipe_SetInfiniteINRequests();\r
- Pipe_Unfreeze();\r
- \r
- FoundEndpoints |= (1 << CDC_DATAPIPE_IN);\r
+ FoundEndpoints |= CDC_FOUND_DATAPIPE_IN;\r
}\r
else\r
{\r
- Pipe_ConfigurePipe(CDC_DATAPIPE_OUT, EP_TYPE_BULK, PIPE_TOKEN_OUT,\r
+ Pipe_ConfigurePipe(CDCInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,\r
EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);\r
+ CDCInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;\r
\r
- Pipe_Unfreeze();\r
- \r
- FoundEndpoints |= (1 << CDC_DATAPIPE_OUT);\r
+ FoundEndpoints |= CDC_FOUND_DATAPIPE_OUT;\r
}\r
}\r
}\r
\r
- return SuccessfulConfigRead;\r
+ CDCInterfaceInfo->State.Active = true;\r
+ return CDC_ENUMERROR_NoError;\r
}\r
\r
static uint8_t DComp_CDC_Host_NextCDCControlInterface(void* CurrentDescriptor)\r
{\r
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)\r
{\r
- /* Check the CDC descriptor class, subclass and protocol, break out if correct control interface found */\r
- if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class == CDC_CONTROL_CLASS) &&\r
- (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == CDC_CONTROL_SUBCLASS) &&\r
- (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == CDC_CONTROL_PROTOCOL))\r
+ USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,\r
+ USB_Descriptor_Interface_t);\r
+ \r
+ if ((CurrentInterface->Class == CDC_CONTROL_CLASS) &&\r
+ (CurrentInterface->SubClass == CDC_CONTROL_SUBCLASS) &&\r
+ (CurrentInterface->Protocol == CDC_CONTROL_PROTOCOL))\r
{\r
return DESCRIPTOR_SEARCH_Found;\r
}\r
{\r
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)\r
{\r
- /* Check the CDC descriptor class, subclass and protocol, break out if correct data interface found */\r
- if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class == CDC_DATA_CLASS) &&\r
- (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == CDC_DATA_SUBCLASS) &&\r
- (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == CDC_DATA_PROTOCOL))\r
+ USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,\r
+ USB_Descriptor_Interface_t);\r
+ \r
+ if ((CurrentInterface->Class == CDC_DATA_CLASS) &&\r
+ (CurrentInterface->SubClass == CDC_DATA_SUBCLASS) &&\r
+ (CurrentInterface->Protocol == CDC_DATA_PROTOCOL))\r
{\r
return DESCRIPTOR_SEARCH_Found;\r
}\r
return DESCRIPTOR_SEARCH_NotFound;\r
}\r
\r
-static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescriptor)\r
+static uint8_t DComp_CDC_Host_NextCDCInterfaceEndpoint(void* CurrentDescriptor)\r
{\r
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)\r
{\r
- uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,\r
- USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);\r
+ USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,\r
+ USB_Descriptor_Endpoint_t);\r
+ \r
+ uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);\r
\r
- if ((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT))\r
- return DESCRIPTOR_SEARCH_Found;\r
+ if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) &&\r
+ !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))\r
+ {\r
+ return DESCRIPTOR_SEARCH_Found;\r
+ }\r
}\r
else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)\r
{\r
return DESCRIPTOR_SEARCH_NotFound;\r
}\r
\r
-void CDC_Host_Task(void)\r
+void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
{\r
- uint8_t ErrorCode;\r
+ if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))\r
+ return;\r
+ \r
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipeNumber); \r
+ Pipe_Unfreeze();\r
\r
- switch (USB_HostState)\r
+ if (Pipe_IsINReceived())\r
{\r
- case HOST_STATE_Addressed:\r
- USB_ControlRequest = (USB_Request_Header_t)\r
- {\r
- .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),\r
- .bRequest = REQ_SetConfiguration,\r
- .wValue = 1,\r
- .wIndex = 0,\r
- .wLength = 0,\r
- };\r
+ USB_Request_Header_t Notification;\r
+ Pipe_Read_Stream_LE(&Notification, sizeof(Notification), NO_STREAM_CALLBACK);\r
+ \r
+ if ((Notification.bRequest == NOTIF_SerialState) &&\r
+ (Notification.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)))\r
+ {\r
+ Pipe_Read_Stream_LE(&CDCInterfaceInfo->State.ControlLineStates.DeviceToHost,\r
+ sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost),\r
+ NO_STREAM_CALLBACK);\r
+ \r
+ }\r
\r
- Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
+ Pipe_ClearIN();\r
\r
- if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)\r
- {\r
- USB_HostState = HOST_STATE_Unattached;\r
- }\r
- \r
- USB_HostState = HOST_STATE_Configured;\r
- break;\r
- case HOST_STATE_Configured:\r
- if ((ErrorCode = CDC_Host_ProcessConfigDescriptor()) != SuccessfulConfigRead)\r
- {\r
- USB_HostState = HOST_STATE_Unattached;\r
- }\r
- \r
- USB_HostState = HOST_STATE_Ready;\r
- break;\r
+ EVENT_CDC_Host_ControLineStateChanged(CDCInterfaceInfo);\r
}\r
+ \r
+ Pipe_Freeze();\r
+}\r
+\r
+uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
+{\r
+ USB_ControlRequest = (USB_Request_Header_t)\r
+ {\r
+ .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),\r
+ .bRequest = REQ_SetLineEncoding,\r
+ .wValue = 0,\r
+ .wIndex = CDCInterfaceInfo->State.ControlInterfaceNumber,\r
+ .wLength = sizeof(CDCInterfaceInfo->State.LineEncoding),\r
+ };\r
+\r
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
+ \r
+ return USB_Host_SendControlRequest(&CDCInterfaceInfo->State.LineEncoding);\r
+}\r
+\r
+uint8_t CDC_Host_SendControlLineStateChange(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
+{\r
+ USB_ControlRequest = (USB_Request_Header_t)\r
+ {\r
+ .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),\r
+ .bRequest = REQ_SetControlLineState,\r
+ .wValue = CDCInterfaceInfo->State.ControlLineStates.HostToDevice,\r
+ .wIndex = CDCInterfaceInfo->State.ControlInterfaceNumber,\r
+ .wLength = 0,\r
+ };\r
+\r
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
+ \r
+ return USB_Host_SendControlRequest(NULL);\r
+}\r
+\r
+void CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, char* Data, uint16_t Length)\r
+{\r
+ if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))\r
+ return;\r
+\r
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber); \r
+ Pipe_Unfreeze();\r
+ Pipe_Write_Stream_LE(Data, Length, NO_STREAM_CALLBACK); \r
+ Pipe_Freeze();\r
+}\r
+\r
+void CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint8_t Data)\r
+{\r
+ if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))\r
+ return;\r
+\r
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber); \r
+ Pipe_Unfreeze();\r
+ \r
+ if (!(Pipe_IsReadWriteAllowed()))\r
+ {\r
+ Pipe_ClearOUT();\r
+ Pipe_WaitUntilReady();\r
+ }\r
+\r
+ Pipe_Write_Byte(Data); \r
+ Pipe_Freeze();\r
+}\r
+\r
+uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
+{\r
+ uint16_t BytesInPipe = 0;\r
+\r
+ if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))\r
+ return BytesInPipe;\r
+ \r
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber); \r
+ Pipe_Unfreeze();\r
+\r
+ if (Pipe_IsINReceived() && !(Pipe_BytesInPipe()))\r
+ Pipe_ClearIN();\r
+ \r
+ BytesInPipe = Pipe_BytesInPipe();\r
+ Pipe_Freeze();\r
+ \r
+ return BytesInPipe;\r
+}\r
+\r
+uint8_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
+{\r
+ uint8_t ReceivedByte = 0;\r
+\r
+ if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))\r
+ return ReceivedByte;\r
+ \r
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber); \r
+ Pipe_Unfreeze();\r
+\r
+ ReceivedByte = Pipe_Read_Byte();\r
+ \r
+ if (!(Pipe_BytesInPipe()))\r
+ Pipe_ClearIN();\r
+ \r
+ Pipe_Freeze();\r
+ \r
+ return ReceivedByte;\r
+}\r
+\r
+void CDC_Host_Event_Stub(void)\r
+{\r
+\r
}\r
\r
#endif\r
projects / pub / USBasp.git / blobdiff