diff options
Diffstat (limited to 'LUFA/Drivers/USB/Class/Device/CDC.c')
| -rw-r--r-- | LUFA/Drivers/USB/Class/Device/CDC.c | 55 |
1 files changed, 28 insertions, 27 deletions
diff --git a/LUFA/Drivers/USB/Class/Device/CDC.c b/LUFA/Drivers/USB/Class/Device/CDC.c index bb41a125a..f95496ebd 100644 --- a/LUFA/Drivers/USB/Class/Device/CDC.c +++ b/LUFA/Drivers/USB/Class/Device/CDC.c @@ -1,7 +1,7 @@ /* LUFA Library Copyright (C) Dean Camera, 2010. - + dean [at] fourwalledcubicle [dot] com www.fourwalledcubicle.com */ @@ -9,13 +9,13 @@ /* Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) - Permission to use, copy, modify, distribute, and sell this + 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 + 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 + 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 @@ -45,7 +45,7 @@ void CDC_Device_ProcessControlRequest(USB_ClassInfo_CDC_Device_t* const CDCInter { if (!(Endpoint_IsSETUPReceived())) return; - + if (USB_ControlRequest.wIndex != CDCInterfaceInfo->Config.ControlInterfaceNumber) return; @@ -58,7 +58,7 @@ void CDC_Device_ProcessControlRequest(USB_ClassInfo_CDC_Device_t* const CDCInter 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)) @@ -69,11 +69,11 @@ void CDC_Device_ProcessControlRequest(USB_ClassInfo_CDC_Device_t* const CDCInter EVENT_CDC_Device_LineEncodingChanged(CDCInterfaceInfo); } - + break; case CDC_REQ_SetControlLineState: if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) - { + { Endpoint_ClearSETUP(); Endpoint_ClearStatusStage(); @@ -81,11 +81,11 @@ void CDC_Device_ProcessControlRequest(USB_ClassInfo_CDC_Device_t* const CDCInter EVENT_CDC_Device_ControLineStateChanged(CDCInterfaceInfo); } - + break; case CDC_REQ_SendBreak: if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) - { + { Endpoint_ClearSETUP(); Endpoint_ClearStatusStage(); @@ -132,14 +132,14 @@ bool CDC_Device_ConfigureEndpoints(USB_ClassInfo_CDC_Device_t* const CDCInterfac { continue; } - + if (!(Endpoint_ConfigureEndpoint(EndpointNum, Type, Direction, Size, DoubleBanked ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE))) { return false; } } - + return true; } @@ -147,7 +147,7 @@ void CDC_Device_USBTask(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) { if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS)) return; - + CDC_Device_Flush(CDCInterfaceInfo); } @@ -157,7 +157,7 @@ uint8_t CDC_Device_SendString(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo { if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS)) return ENDPOINT_RWSTREAM_DeviceDisconnected; - + Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber); return Endpoint_Write_Stream_LE(Data, Length, NO_STREAM_CALLBACK); } @@ -195,11 +195,11 @@ uint8_t CDC_Device_Flush(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) if (!(Endpoint_BytesInEndpoint())) return ENDPOINT_READYWAIT_NoError; - + bool BankFull = !(Endpoint_IsReadWriteAllowed()); - + Endpoint_ClearIN(); - + if (BankFull) { if ((ErrorCode = Endpoint_WaitUntilReady()) != ENDPOINT_READYWAIT_NoError) @@ -207,7 +207,7 @@ uint8_t CDC_Device_Flush(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) Endpoint_ClearIN(); } - + return ENDPOINT_READYWAIT_NoError; } @@ -244,16 +244,16 @@ int16_t CDC_Device_ReceiveByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInf int16_t ReceivedByte = -1; Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber); - + if (Endpoint_IsOUTReceived()) { if (Endpoint_BytesInEndpoint()) ReceivedByte = Endpoint_Read_Byte(); - + if (!(Endpoint_BytesInEndpoint())) Endpoint_ClearOUT(); } - + return ReceivedByte; } @@ -263,7 +263,7 @@ void CDC_Device_SendControlLineStateChange(USB_ClassInfo_CDC_Device_t* const CDC return; Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.NotificationEndpointNumber); - + USB_Request_Header_t Notification = (USB_Request_Header_t) { .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE), @@ -313,17 +313,18 @@ static int CDC_Device_getchar(FILE* Stream) 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(); + USB_USBTask(); } return ReceivedByte; } #endif + |