X-Git-Url: http://git.linex4red.de/pub/lufa.git/blobdiff_plain/3e044872790072838c2d1d0370b98b6ebf4fea93..eb2e883fd35b5332a7425488105a7adb500ce3fe:/LUFA/Drivers/USB/Class/Device/CDC.c diff --git a/LUFA/Drivers/USB/Class/Device/CDC.c b/LUFA/Drivers/USB/Class/Device/CDC.c deleted file mode 100644 index 29e5c25eb..000000000 --- a/LUFA/Drivers/USB/Class/Device/CDC.c +++ /dev/null @@ -1,361 +0,0 @@ -/* - 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(); - - while (!(Endpoint_IsINReady())); - - Endpoint_Write_32_LE(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS); - Endpoint_Write_8(CDCInterfaceInfo->State.LineEncoding.CharFormat); - Endpoint_Write_8(CDCInterfaceInfo->State.LineEncoding.ParityType); - Endpoint_Write_8(CDCInterfaceInfo->State.LineEncoding.DataBits); - - Endpoint_ClearIN(); - Endpoint_ClearStatusStage(); - } - - break; - case CDC_REQ_SetLineEncoding: - if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) - { - Endpoint_ClearSETUP(); - - while (!(Endpoint_IsOUTReceived())); - - CDCInterfaceInfo->State.LineEncoding.BaudRateBPS = Endpoint_Read_32_LE(); - CDCInterfaceInfo->State.LineEncoding.CharFormat = Endpoint_Read_8(); - CDCInterfaceInfo->State.LineEncoding.ParityType = Endpoint_Read_8(); - CDCInterfaceInfo->State.LineEncoding.DataBits = Endpoint_Read_8(); - - Endpoint_ClearOUT(); - Endpoint_ClearStatusStage(); - - 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 -