-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2009.\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
- software without specific, written prior permission.\r
-\r
- The author disclaim all warranties with regard to this\r
- software, including all implied warranties of merchantability\r
- and fitness. In no event shall the author be liable for any\r
- special, indirect or consequential damages or any damages\r
- whatsoever resulting from loss of use, data or profits, whether\r
- in an action of contract, negligence or other tortious action,\r
- arising out of or in connection with the use or performance of\r
- this software.\r
-*/\r
-\r
-#include "../../HighLevel/USBMode.h"\r
-#if defined(USB_CAN_BE_DEVICE)\r
-\r
-#define INCLUDE_FROM_CDC_CLASS_DEVICE_C\r
-#include "CDC.h"\r
-\r
-void CDC_Device_Event_Stub(void)\r
-{\r
-\r
-}\r
-\r
-void CDC_Device_ProcessControlPacket(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)\r
-{\r
- if (!(Endpoint_IsSETUPReceived()))\r
- return;\r
- \r
- if (USB_ControlRequest.wIndex != CDCInterfaceInfo->Config.ControlInterfaceNumber)\r
- return;\r
-\r
- switch (USB_ControlRequest.bRequest)\r
- {\r
- case REQ_GetLineEncoding:\r
- if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))\r
- {\r
- Endpoint_ClearSETUP();\r
- Endpoint_Write_Control_Stream_LE(&CDCInterfaceInfo->State.LineEncoding, sizeof(CDCInterfaceInfo->State.LineEncoding));\r
- Endpoint_ClearOUT();\r
- }\r
- \r
- break;\r
- case REQ_SetLineEncoding:\r
- if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))\r
- {\r
- Endpoint_ClearSETUP();\r
- Endpoint_Read_Control_Stream_LE(&CDCInterfaceInfo->State.LineEncoding, sizeof(CDCInterfaceInfo->State.LineEncoding));\r
- Endpoint_ClearIN();\r
-\r
- EVENT_CDC_Device_LineEncodingChanged(CDCInterfaceInfo);\r
- }\r
- \r
- break;\r
- case REQ_SetControlLineState:\r
- if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))\r
- { \r
- Endpoint_ClearSETUP();\r
- \r
- CDCInterfaceInfo->State.ControlLineStates.HostToDevice = USB_ControlRequest.wValue;\r
- \r
- EVENT_CDC_Device_ControLineStateChanged(CDCInterfaceInfo);\r
-\r
- Endpoint_ClearStatusStage();\r
- }\r
- \r
- break;\r
- }\r
-}\r
-\r
-bool CDC_Device_ConfigureEndpoints(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)\r
-{\r
- if (!(Endpoint_ConfigureEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber, EP_TYPE_BULK,\r
- ENDPOINT_DIR_IN, CDCInterfaceInfo->Config.DataINEndpointSize,\r
- 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
- {\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
- {\r
- return false;\r
- }\r
-\r
- return true;\r
-}\r
-\r
-void CDC_Device_USBTask(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)\r
-{\r
- if (USB_DeviceState != DEVICE_STATE_Configured)\r
- return;\r
-\r
- Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);\r
-\r
- if (!(Endpoint_BytesInEndpoint()))\r
- return;\r
- \r
- if (!(Endpoint_IsReadWriteAllowed()))\r
- {\r
- Endpoint_ClearIN();\r
-\r
- while (!(Endpoint_IsReadWriteAllowed()))\r
- {\r
- if (USB_DeviceState == DEVICE_STATE_Unattached)\r
- return;\r
- }\r
- } \r
- \r
- Endpoint_ClearIN();\r
-}\r
-\r
-void 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)\r
- return;\r
-\r
- Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);\r
- Endpoint_Write_Stream_LE(Data, Length, NO_STREAM_CALLBACK);\r
-}\r
-\r
-void 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
-\r
- Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);\r
-\r
- if (!(Endpoint_IsReadWriteAllowed()))\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
-\r
-uint16_t CDC_Device_BytesReceived(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)\r
-{\r
- Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);\r
-\r
- return Endpoint_BytesInEndpoint();\r
-}\r
-\r
-uint8_t CDC_Device_ReceiveByte(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)\r
-{\r
- if (USB_DeviceState != DEVICE_STATE_Configured)\r
- return 0;\r
-\r
- Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);\r
- \r
- uint8_t DataByte = Endpoint_Read_Byte();\r
- \r
- if (!(Endpoint_BytesInEndpoint()))\r
- Endpoint_ClearOUT();\r
- \r
- return DataByte;\r
-}\r
-\r
-void CDC_Device_SendControlLineStateChange(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)\r
-{\r
- if (USB_DeviceState != DEVICE_STATE_Configured)\r
- return;\r
-\r
- Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.NotificationEndpointNumber);\r
- \r
- USB_Request_Header_t Notification = (USB_Request_Header_t)\r
- {\r
- .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),\r
- .bRequest = NOTIF_SerialState,\r
- .wValue = 0,\r
- .wIndex = 0,\r
- .wLength = sizeof(uint16_t),\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_ClearIN();\r
-}\r
-\r
-#endif\r
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2011.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ all copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaim all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+#define __INCLUDE_FROM_USB_DRIVER
+#include "../../Core/USBMode.h"
+
+#if defined(USB_CAN_BE_DEVICE)
+
+#define __INCLUDE_FROM_CDC_DRIVER
+#define __INCLUDE_FROM_CDC_DEVICE_C
+#include "CDC.h"
+
+void CDC_Device_ProcessControlRequest(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
+{
+ if (!(Endpoint_IsSETUPReceived()))
+ return;
+
+ if (USB_ControlRequest.wIndex != CDCInterfaceInfo->Config.ControlInterfaceNumber)
+ return;
+
+ switch (USB_ControlRequest.bRequest)
+ {
+ case CDC_REQ_GetLineEncoding:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ Endpoint_ClearSETUP();
+ Endpoint_Write_Control_Stream_LE(&CDCInterfaceInfo->State.LineEncoding, sizeof(CDCInterfaceInfo->State.LineEncoding));
+ Endpoint_ClearOUT();
+ }
+
+ break;
+ case CDC_REQ_SetLineEncoding:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ Endpoint_ClearSETUP();
+ Endpoint_Read_Control_Stream_LE(&CDCInterfaceInfo->State.LineEncoding, sizeof(CDCInterfaceInfo->State.LineEncoding));
+ Endpoint_ClearIN();
+
+ EVENT_CDC_Device_LineEncodingChanged(CDCInterfaceInfo);
+ }
+
+ break;
+ case CDC_REQ_SetControlLineState:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ Endpoint_ClearSETUP();
+ Endpoint_ClearStatusStage();
+
+ CDCInterfaceInfo->State.ControlLineStates.HostToDevice = USB_ControlRequest.wValue;
+
+ EVENT_CDC_Device_ControLineStateChanged(CDCInterfaceInfo);
+ }
+
+ break;
+ case CDC_REQ_SendBreak:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ Endpoint_ClearSETUP();
+ Endpoint_ClearStatusStage();
+
+ EVENT_CDC_Device_BreakSent(CDCInterfaceInfo, (uint8_t)USB_ControlRequest.wValue);
+ }
+
+ break;
+ }
+}
+
+bool CDC_Device_ConfigureEndpoints(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
+{
+ memset(&CDCInterfaceInfo->State, 0x00, sizeof(CDCInterfaceInfo->State));
+
+ for (uint8_t EndpointNum = 1; EndpointNum < ENDPOINT_TOTAL_ENDPOINTS; EndpointNum++)
+ {
+ uint16_t Size;
+ uint8_t Type;
+ uint8_t Direction;
+ bool DoubleBanked;
+
+ if (EndpointNum == CDCInterfaceInfo->Config.DataINEndpointNumber)
+ {
+ Size = CDCInterfaceInfo->Config.DataINEndpointSize;
+ Direction = ENDPOINT_DIR_IN;
+ Type = EP_TYPE_BULK;
+ DoubleBanked = CDCInterfaceInfo->Config.DataINEndpointDoubleBank;
+ }
+ else if (EndpointNum == CDCInterfaceInfo->Config.DataOUTEndpointNumber)
+ {
+ Size = CDCInterfaceInfo->Config.DataOUTEndpointSize;
+ Direction = ENDPOINT_DIR_OUT;
+ Type = EP_TYPE_BULK;
+ DoubleBanked = CDCInterfaceInfo->Config.DataOUTEndpointDoubleBank;
+ }
+ else if (EndpointNum == CDCInterfaceInfo->Config.NotificationEndpointNumber)
+ {
+ Size = CDCInterfaceInfo->Config.NotificationEndpointSize;
+ Direction = ENDPOINT_DIR_IN;
+ Type = EP_TYPE_INTERRUPT;
+ DoubleBanked = CDCInterfaceInfo->Config.NotificationEndpointDoubleBank;
+ }
+ else
+ {
+ continue;
+ }
+
+ if (!(Endpoint_ConfigureEndpoint(EndpointNum, Type, Direction, Size,
+ DoubleBanked ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))
+ {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+void CDC_Device_USBTask(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
+{
+ if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
+ return;
+
+ #if !defined(NO_CLASS_DRIVER_AUTOFLUSH)
+ CDC_Device_Flush(CDCInterfaceInfo);
+ #endif
+}
+
+uint8_t CDC_Device_SendString(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo,
+ const char* const String)
+{
+ if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
+ return ENDPOINT_RWSTREAM_DeviceDisconnected;
+
+ Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);
+ return Endpoint_Write_Stream_LE(String, strlen(String), NULL);
+}
+
+uint8_t CDC_Device_SendData(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo,
+ const char* const Buffer,
+ const uint16_t Length)
+{
+ if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
+ return ENDPOINT_RWSTREAM_DeviceDisconnected;
+
+ Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);
+ return Endpoint_Write_Stream_LE(Buffer, Length, NULL);
+}
+
+uint8_t CDC_Device_SendByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo,
+ const uint8_t Data)
+{
+ if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
+ return ENDPOINT_RWSTREAM_DeviceDisconnected;
+
+ Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);
+
+ if (!(Endpoint_IsReadWriteAllowed()))
+ {
+ Endpoint_ClearIN();
+
+ uint8_t ErrorCode;
+
+ if ((ErrorCode = Endpoint_WaitUntilReady()) != ENDPOINT_READYWAIT_NoError)
+ return ErrorCode;
+ }
+
+ Endpoint_Write_8(Data);
+ return ENDPOINT_READYWAIT_NoError;
+}
+
+uint8_t CDC_Device_Flush(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
+{
+ if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
+ return ENDPOINT_RWSTREAM_DeviceDisconnected;
+
+ uint8_t ErrorCode;
+
+ Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);
+
+ if (!(Endpoint_BytesInEndpoint()))
+ return ENDPOINT_READYWAIT_NoError;
+
+ bool BankFull = !(Endpoint_IsReadWriteAllowed());
+
+ Endpoint_ClearIN();
+
+ if (BankFull)
+ {
+ if ((ErrorCode = Endpoint_WaitUntilReady()) != ENDPOINT_READYWAIT_NoError)
+ return ErrorCode;
+
+ Endpoint_ClearIN();
+ }
+
+ return ENDPOINT_READYWAIT_NoError;
+}
+
+uint16_t CDC_Device_BytesReceived(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
+{
+ if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
+ return 0;
+
+ Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);
+
+ if (Endpoint_IsOUTReceived())
+ {
+ if (!(Endpoint_BytesInEndpoint()))
+ {
+ Endpoint_ClearOUT();
+ return 0;
+ }
+ else
+ {
+ return Endpoint_BytesInEndpoint();
+ }
+ }
+ else
+ {
+ return 0;
+ }
+}
+
+int16_t CDC_Device_ReceiveByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
+{
+ if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
+ return -1;
+
+ int16_t ReceivedByte = -1;
+
+ Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);
+
+ if (Endpoint_IsOUTReceived())
+ {
+ if (Endpoint_BytesInEndpoint())
+ ReceivedByte = Endpoint_Read_8();
+
+ if (!(Endpoint_BytesInEndpoint()))
+ Endpoint_ClearOUT();
+ }
+
+ return ReceivedByte;
+}
+
+void CDC_Device_SendControlLineStateChange(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
+{
+ if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
+ return;
+
+ Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.NotificationEndpointNumber);
+
+ USB_Request_Header_t Notification = (USB_Request_Header_t)
+ {
+ .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
+ .bRequest = CDC_NOTIF_SerialState,
+ .wValue = CPU_TO_LE16(0),
+ .wIndex = CPU_TO_LE16(0),
+ .wLength = CPU_TO_LE16(sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost)),
+ };
+
+ Endpoint_Write_Stream_LE(&Notification, sizeof(USB_Request_Header_t), NULL);
+ Endpoint_Write_Stream_LE(&CDCInterfaceInfo->State.ControlLineStates.DeviceToHost,
+ sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost),
+ NULL);
+ Endpoint_ClearIN();
+}
+
+#if defined(FDEV_SETUP_STREAM)
+void CDC_Device_CreateStream(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo,
+ FILE* const Stream)
+{
+ *Stream = (FILE)FDEV_SETUP_STREAM(CDC_Device_putchar, CDC_Device_getchar, _FDEV_SETUP_RW);
+ fdev_set_udata(Stream, CDCInterfaceInfo);
+}
+
+void CDC_Device_CreateBlockingStream(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo,
+ FILE* const Stream)
+{
+ *Stream = (FILE)FDEV_SETUP_STREAM(CDC_Device_putchar, CDC_Device_getchar_Blocking, _FDEV_SETUP_RW);
+ fdev_set_udata(Stream, CDCInterfaceInfo);
+}
+
+static int CDC_Device_putchar(char c,
+ FILE* Stream)
+{
+ return CDC_Device_SendByte((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream), c) ? _FDEV_ERR : 0;
+}
+
+static int CDC_Device_getchar(FILE* Stream)
+{
+ int16_t ReceivedByte = CDC_Device_ReceiveByte((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream));
+
+ if (ReceivedByte < 0)
+ return _FDEV_EOF;
+
+ return ReceivedByte;
+}
+
+static int CDC_Device_getchar_Blocking(FILE* Stream)
+{
+ int16_t ReceivedByte;
+
+ while ((ReceivedByte = CDC_Device_ReceiveByte((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream))) < 0)
+ {
+ if (USB_DeviceState == DEVICE_STATE_Unattached)
+ return _FDEV_EOF;
+
+ CDC_Device_USBTask((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream));
+ USB_USBTask();
+ }
+
+ return ReceivedByte;
+}
+#endif
+
+void CDC_Device_Event_Stub(void)
+{
+
+}
+
+#endif
+
projects / pub / USBasp.git / blobdiff