/*\r
LUFA Library\r
- Copyright (C) Dean Camera, 2009.\r
+ Copyright (C) Dean Camera, 2010.\r
\r
dean [at] fourwalledcubicle [dot] com\r
www.fourwalledcubicle.com\r
*/\r
\r
/*\r
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, and distribute this software\r
- and its documentation for any purpose and without fee is hereby\r
- granted, provided that the above copyright notice appear in all\r
- copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting\r
- documentation, and that the name of the author not be used in\r
- advertising or publicity pertaining to distribution of the\r
+ Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\r
+ Permission to use, copy, modify, distribute, and sell this \r
+ software and its documentation for any purpose is hereby granted\r
+ without fee, provided that the above copyright notice appear in \r
+ all copies and that both that the copyright notice and this\r
+ permission notice and warranty disclaimer appear in supporting \r
+ documentation, and that the name of the author not be used in \r
+ advertising or publicity pertaining to distribution of the \r
software without specific, written prior permission.\r
\r
The author disclaim all warranties with regard to this\r
#define INCLUDE_FROM_CDC_CLASS_HOST_C\r
#include "CDC.h"\r
\r
-static uint8_t CDC_Host_ProcessConfigDescriptor(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
+uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, uint16_t ConfigDescriptorSize,\r
+ void* ConfigDescriptorData)\r
{\r
- uint8_t* ConfigDescriptorData;\r
- uint16_t ConfigDescriptorSize;\r
- uint8_t FoundEndpoints = 0;\r
- \r
- if (USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful)\r
- return CDC_ENUMERROR_ControlError;\r
- \r
- if (ConfigDescriptorSize > 512)\r
- return CDC_ENUMERROR_DescriptorTooLarge;\r
- \r
- ConfigDescriptorData = alloca(ConfigDescriptorSize);\r
+ uint8_t FoundEndpoints = 0;\r
+\r
+ memset(&CDCInterfaceInfo->State, 0x00, sizeof(CDCInterfaceInfo->State));\r
\r
- USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData);\r
- \r
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)\r
- return CDC_ENUMERROR_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 CDC_ENUMERROR_NoCDCInterfaceFound;\r
}\r
+ \r
+ CDCInterfaceInfo->State.ControlInterfaceNumber = DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).InterfaceNumber;\r
\r
- while (FoundEndpoints != (CDC_FOUND_DATAPIPE_IN | CDC_FOUND_DATAPIPE_OUT | CDC_FOUND_DATAPIPE_NOTIFICATION))\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 & CDC_FOUND_DATAPIPE_NOTIFICATION)\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
}\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 CDC_ENUMERROR_NoEndpointFound;\r
+ return CDC_ENUMERROR_EndpointsNotFound;\r
}\r
}\r
\r
if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)\r
{\r
if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)\r
- { \r
+ {\r
Pipe_ConfigurePipe(CDCInterfaceInfo->Config.NotificationPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,\r
- EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);\r
+ EndpointData->EndpointAddress, EndpointData->EndpointSize,\r
+ CDCInterfaceInfo->Config.NotificationPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);\r
CDCInterfaceInfo->State.NotificationPipeSize = EndpointData->EndpointSize;\r
\r
Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS);\r
\r
- FoundEndpoints |= CDC_FOUND_DATAPIPE_NOTIFICATION;\r
+ FoundEndpoints |= CDC_FOUND_NOTIFICATION_IN;\r
}\r
}\r
else\r
if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)\r
{\r
Pipe_ConfigurePipe(CDCInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,\r
- EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);\r
+ EndpointData->EndpointAddress, EndpointData->EndpointSize, \r
+ CDCInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);\r
+\r
CDCInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;\r
\r
FoundEndpoints |= CDC_FOUND_DATAPIPE_IN;\r
else\r
{\r
Pipe_ConfigurePipe(CDCInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,\r
- EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);\r
+ EndpointData->EndpointAddress, EndpointData->EndpointSize, \r
+ CDCInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);\r
+ \r
CDCInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;\r
\r
FoundEndpoints |= CDC_FOUND_DATAPIPE_OUT;\r
}\r
}\r
\r
+ CDCInterfaceInfo->State.ControlLineStates.HostToDevice = (CDC_CONTROL_LINE_OUT_RTS | CDC_CONTROL_LINE_OUT_DTR);\r
+ CDCInterfaceInfo->State.ControlLineStates.DeviceToHost = (CDC_CONTROL_LINE_IN_DCD | CDC_CONTROL_LINE_IN_DSR);\r
+ CDCInterfaceInfo->State.IsActive = true;\r
return CDC_ENUMERROR_NoError;\r
}\r
\r
-static uint8_t DComp_CDC_Host_NextCDCControlInterface(void* CurrentDescriptor)\r
+static uint8_t DComp_CDC_Host_NextCDCControlInterface(void* const CurrentDescriptor)\r
{\r
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)\r
{\r
return DESCRIPTOR_SEARCH_NotFound;\r
}\r
\r
-static uint8_t DComp_CDC_Host_NextCDCDataInterface(void* CurrentDescriptor)\r
+static uint8_t DComp_CDC_Host_NextCDCDataInterface(void* const CurrentDescriptor)\r
{\r
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)\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* const CurrentDescriptor)\r
{\r
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)\r
{\r
USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,\r
- USB_Descriptor_Endpoint_t)\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
+ {\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_USBTask(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
+void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)\r
+{\r
+ if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))\r
+ return;\r
+ \r
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipeNumber);\r
+ Pipe_SetPipeToken(PIPE_TOKEN_IN);\r
+ Pipe_Unfreeze();\r
+\r
+ if (Pipe_IsINReceived())\r
+ {\r
+ USB_Request_Header_t Notification;\r
+ Pipe_Read_Stream_LE(&Notification, sizeof(USB_Request_Header_t), 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_ClearIN();\r
+\r
+ EVENT_CDC_Host_ControLineStateChanged(CDCInterfaceInfo);\r
+ }\r
+ \r
+ Pipe_Freeze();\r
+}\r
+\r
+uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* const 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* const 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
+uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, char* Data, const uint16_t Length)\r
+{\r
+ if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))\r
+ return PIPE_READYWAIT_DeviceDisconnected;\r
+\r
uint8_t ErrorCode;\r
\r
- switch (USB_HostState)\r
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber); \r
+\r
+ Pipe_Unfreeze();\r
+ ErrorCode = Pipe_Write_Stream_LE(Data, Length, NO_STREAM_CALLBACK);\r
+ Pipe_Freeze();\r
+ \r
+ return ErrorCode;\r
+}\r
+\r
+uint8_t CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, const uint8_t Data)\r
+{\r
+ if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))\r
+ return PIPE_READYWAIT_DeviceDisconnected;\r
+ \r
+ uint8_t ErrorCode;\r
+\r
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber); \r
+ Pipe_Unfreeze();\r
+ \r
+ if (!(Pipe_IsReadWriteAllowed()))\r
{\r
- case HOST_STATE_Addressed:\r
- if ((ErrorCode = CDC_Host_ProcessConfigDescriptor(CDCInterfaceInfo)) != CDC_ENUMERROR_NoError)\r
- {\r
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
- }\r
+ Pipe_ClearOUT();\r
\r
- if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)\r
- {\r
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
- }\r
- \r
- USB_HostState = HOST_STATE_Configured;\r
- break;\r
- case HOST_STATE_Configured:\r
- USB_HostState = HOST_STATE_Ready;\r
- break;\r
+ if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)\r
+ return ErrorCode;\r
}\r
+\r
+ Pipe_Write_Byte(Data); \r
+ Pipe_Freeze();\r
+ \r
+ return PIPE_READYWAIT_NoError;\r
+}\r
+\r
+uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)\r
+{\r
+ uint16_t BytesInPipe = 0;\r
+\r
+ if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))\r
+ return 0;\r
+ \r
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);\r
+ Pipe_SetPipeToken(PIPE_TOKEN_IN);\r
+ Pipe_Unfreeze();\r
+\r
+ if (Pipe_IsINReceived())\r
+ {\r
+ if (!(Pipe_BytesInPipe()))\r
+ Pipe_ClearIN();\r
+ \r
+ BytesInPipe = Pipe_BytesInPipe();\r
+ Pipe_Freeze();\r
+ \r
+ return BytesInPipe;\r
+ }\r
+ else\r
+ {\r
+ Pipe_Freeze();\r
+ \r
+ return 0;\r
+ }\r
+}\r
+\r
+uint8_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)\r
+{\r
+ uint8_t ReceivedByte = 0;\r
+\r
+ if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))\r
+ return 0;\r
+ \r
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);\r
+ Pipe_SetPipeToken(PIPE_TOKEN_IN);\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
+uint8_t CDC_Host_Flush(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)\r
+{\r
+ if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))\r
+ return PIPE_READYWAIT_DeviceDisconnected;\r
+ \r
+ uint8_t ErrorCode;\r
+\r
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber); \r
+ Pipe_Unfreeze();\r
+ \r
+ if (!(Pipe_BytesInPipe()))\r
+ return PIPE_READYWAIT_NoError;\r
+\r
+ bool BankFull = !(Pipe_IsReadWriteAllowed());\r
+\r
+ Pipe_ClearOUT();\r
+\r
+ if (BankFull)\r
+ {\r
+ if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)\r
+ return ErrorCode;\r
+\r
+ Pipe_ClearOUT();\r
+ }\r
+\r
+ Pipe_Freeze();\r
+ \r
+ return PIPE_READYWAIT_NoError;\r
+}\r
+\r
+void CDC_Host_CreateStream(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, FILE* Stream)\r
+{\r
+ *Stream = (FILE)FDEV_SETUP_STREAM(CDC_Host_putchar, CDC_Host_getchar, _FDEV_SETUP_RW);\r
+ fdev_set_udata(Stream, CDCInterfaceInfo);\r
+}\r
+\r
+void CDC_Host_CreateBlockingStream(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, FILE* Stream)\r
+{\r
+ *Stream = (FILE)FDEV_SETUP_STREAM(CDC_Host_putchar, CDC_Host_getchar_Blocking, _FDEV_SETUP_RW);\r
+ fdev_set_udata(Stream, CDCInterfaceInfo);\r
+}\r
+\r
+static int CDC_Host_putchar(char c, FILE* Stream)\r
+{\r
+ return CDC_Host_SendByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream), c) ? _FDEV_ERR : 0;\r
+}\r
+\r
+static int CDC_Host_getchar(FILE* Stream)\r
+{\r
+ if (!(CDC_Host_BytesReceived((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream))))\r
+ return _FDEV_EOF;\r
+\r
+ return CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));\r
+}\r
+\r
+static int CDC_Host_getchar_Blocking(FILE* Stream)\r
+{\r
+ while (!(CDC_Host_BytesReceived((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream))))\r
+ {\r
+ if (USB_HostState == HOST_STATE_Unattached)\r
+ return _FDEV_EOF;\r
+\r
+ CDC_Host_USBTask((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));\r
+ USB_USBTask();\r
+ }\r
+\r
+ return CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));\r
+}\r
+\r
+void CDC_Host_Event_Stub(void)\r
+{\r
+\r
}\r
\r
#endif\r
projects / pub / USBasp.git / blobdiff