/*\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
\r
}\r
\r
-void CDC_Device_ProcessControlPacket(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)\r
+void CDC_Device_ProcessControlRequest(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)\r
{\r
if (!(Endpoint_IsSETUPReceived()))\r
return;\r
\r
bool CDC_Device_ConfigureEndpoints(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)\r
{\r
+ memset(&CDCInterfaceInfo->State, 0x00, sizeof(CDCInterfaceInfo->State));\r
+\r
if (!(Endpoint_ConfigureEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber, EP_TYPE_BULK,\r
ENDPOINT_DIR_IN, CDCInterfaceInfo->Config.DataINEndpointSize,\r
- ENDPOINT_BANK_SINGLE)))\r
+ CDCInterfaceInfo->Config.DataINEndpointDoubleBank ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))\r
{\r
return false;\r
}\r
\r
if (!(Endpoint_ConfigureEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber, EP_TYPE_BULK,\r
ENDPOINT_DIR_OUT, CDCInterfaceInfo->Config.DataOUTEndpointSize,\r
- ENDPOINT_BANK_SINGLE)))\r
+ CDCInterfaceInfo->Config.DataOUTEndpointDoubleBank ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))\r
{\r
return false;\r
}\r
\r
if (!(Endpoint_ConfigureEndpoint(CDCInterfaceInfo->Config.NotificationEndpointNumber, EP_TYPE_INTERRUPT,\r
ENDPOINT_DIR_IN, CDCInterfaceInfo->Config.NotificationEndpointSize,\r
- ENDPOINT_BANK_SINGLE)))\r
+ CDCInterfaceInfo->Config.NotificationEndpointDoubleBank ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))\r
{\r
return false;\r
}\r
\r
void CDC_Device_USBTask(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)\r
{\r
- if (USB_DeviceState != DEVICE_STATE_Configured)\r
+ if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))\r
return;\r
\r
- Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);\r
+ Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);\r
\r
- if (!(Endpoint_BytesInEndpoint()))\r
- return;\r
+ if (Endpoint_IsOUTReceived() && !(Endpoint_BytesInEndpoint()))\r
+ Endpoint_ClearOUT();\r
\r
- if (!(Endpoint_IsReadWriteAllowed()))\r
- {\r
- Endpoint_ClearIN();\r
+ CDC_Device_Flush(CDCInterfaceInfo);\r
+}\r
\r
- while (!(Endpoint_IsReadWriteAllowed()))\r
- {\r
- if (USB_DeviceState == DEVICE_STATE_Unattached)\r
- return;\r
- }\r
- } \r
+uint8_t CDC_Device_SendString(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, char* const Data, const uint16_t Length)\r
+{\r
+ if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))\r
+ return ENDPOINT_RWSTREAM_DeviceDisconnected;\r
\r
- Endpoint_ClearIN();\r
+ Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);\r
+ return Endpoint_Write_Stream_LE(Data, Length, NO_STREAM_CALLBACK);\r
}\r
\r
-void CDC_Device_SendString(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, char* const Data, const uint16_t Length)\r
+uint8_t CDC_Device_SendByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, const uint8_t Data)\r
{\r
- if (USB_DeviceState != DEVICE_STATE_Configured)\r
- return;\r
+ if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))\r
+ return ENDPOINT_RWSTREAM_DeviceDisconnected;\r
\r
Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);\r
- Endpoint_Write_Stream_LE(Data, Length, NO_STREAM_CALLBACK);\r
+\r
+ if (!(Endpoint_IsReadWriteAllowed()))\r
+ { \r
+ Endpoint_ClearIN();\r
+\r
+ uint8_t ErrorCode;\r
+\r
+ if ((ErrorCode = Endpoint_WaitUntilReady()) != ENDPOINT_READYWAIT_NoError)\r
+ return ErrorCode;\r
+ }\r
+\r
+ Endpoint_Write_Byte(Data);\r
+ return ENDPOINT_READYWAIT_NoError;\r
}\r
\r
-void CDC_Device_SendByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, const uint8_t Data)\r
+uint8_t CDC_Device_Flush(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)\r
{\r
- if (USB_DeviceState != DEVICE_STATE_Configured)\r
- return;\r
+ if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))\r
+ return ENDPOINT_RWSTREAM_DeviceDisconnected;\r
+\r
+ uint8_t ErrorCode;\r
\r
Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);\r
\r
- if (!(Endpoint_IsReadWriteAllowed()))\r
+ if (!(Endpoint_BytesInEndpoint()))\r
+ return ENDPOINT_READYWAIT_NoError;\r
+ \r
+ bool BankFull = !(Endpoint_IsReadWriteAllowed());\r
+ \r
+ Endpoint_ClearIN();\r
+ \r
+ if (BankFull)\r
{\r
+ if ((ErrorCode = Endpoint_WaitUntilReady()) != ENDPOINT_READYWAIT_NoError)\r
+ return ErrorCode;\r
+\r
Endpoint_ClearIN();\r
- \r
- while (!(Endpoint_IsReadWriteAllowed()))\r
- {\r
- if (USB_DeviceState == DEVICE_STATE_Unattached)\r
- return; \r
- }\r
}\r
-\r
- Endpoint_Write_Byte(Data); \r
+ \r
+ return ENDPOINT_READYWAIT_NoError;\r
}\r
\r
uint16_t CDC_Device_BytesReceived(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)\r
{\r
+ if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))\r
+ return 0;\r
+\r
Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);\r
\r
- return Endpoint_BytesInEndpoint();\r
+ if (Endpoint_IsOUTReceived())\r
+ {\r
+ if (!(Endpoint_BytesInEndpoint()))\r
+ Endpoint_ClearOUT();\r
+\r
+ return Endpoint_BytesInEndpoint();\r
+ }\r
+ else\r
+ {\r
+ return 0;\r
+ }\r
}\r
\r
uint8_t CDC_Device_ReceiveByte(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)\r
{\r
- if (USB_DeviceState != DEVICE_STATE_Configured)\r
+ if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))\r
return 0;\r
\r
Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);\r
\r
void CDC_Device_SendControlLineStateChange(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)\r
{\r
- if (USB_DeviceState != DEVICE_STATE_Configured)\r
+ if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))\r
return;\r
\r
Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.NotificationEndpointNumber);\r
.bRequest = NOTIF_SerialState,\r
.wValue = 0,\r
.wIndex = 0,\r
- .wLength = sizeof(uint16_t),\r
+ .wLength = sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost),\r
};\r
\r
- Endpoint_Write_Stream_LE(&Notification, sizeof(Notification), NO_STREAM_CALLBACK);\r
- Endpoint_Write_Stream_LE(&CDCInterfaceInfo->State.ControlLineStates.DeviceToHost, sizeof(uint8_t), NO_STREAM_CALLBACK);\r
+ Endpoint_Write_Stream_LE(&Notification, sizeof(USB_Request_Header_t), NO_STREAM_CALLBACK);\r
+ Endpoint_Write_Stream_LE(&CDCInterfaceInfo->State.ControlLineStates.DeviceToHost,\r
+ sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost),\r
+ NO_STREAM_CALLBACK);\r
Endpoint_ClearIN();\r
}\r
\r
+void CDC_Device_CreateStream(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo, FILE* Stream)\r
+{\r
+ *Stream = (FILE)FDEV_SETUP_STREAM(CDC_Device_putchar, CDC_Device_getchar, _FDEV_SETUP_RW);\r
+ fdev_set_udata(Stream, CDCInterfaceInfo);\r
+}\r
+\r
+void CDC_Device_CreateBlockingStream(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo, FILE* Stream)\r
+{\r
+ *Stream = (FILE)FDEV_SETUP_STREAM(CDC_Device_putchar, CDC_Device_getchar_Blocking, _FDEV_SETUP_RW);\r
+ fdev_set_udata(Stream, CDCInterfaceInfo);\r
+}\r
+\r
+static int CDC_Device_putchar(char c, FILE* Stream)\r
+{\r
+ return CDC_Device_SendByte((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream), c) ? _FDEV_ERR : 0;\r
+}\r
+\r
+static int CDC_Device_getchar(FILE* Stream)\r
+{\r
+ if (!(CDC_Device_BytesReceived((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream))))\r
+ return _FDEV_EOF;\r
+\r
+ return CDC_Device_ReceiveByte((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream));\r
+}\r
+\r
+static int CDC_Device_getchar_Blocking(FILE* Stream)\r
+{\r
+ while (!(CDC_Device_BytesReceived((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream))))\r
+ {\r
+ if (USB_DeviceState == DEVICE_STATE_Unattached)\r
+ return _FDEV_EOF;\r
+ \r
+ CDC_Device_USBTask((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream));\r
+ USB_USBTask();\r
+ }\r
+\r
+ return CDC_Device_ReceiveByte((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream));\r
+}\r
+\r
#endif\r
projects / pub / USBasp.git / blobdiff