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129 lines
5.3 KiB
C
129 lines
5.3 KiB
C
/*
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FreeRTOS V7.4.0 - Copyright (C) 2013 Real Time Engineers Ltd.
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FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT
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http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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***************************************************************************
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* *
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* FreeRTOS tutorial books are available in pdf and paperback. *
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* Complete, revised, and edited pdf reference manuals are also *
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* available. *
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* *
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* Purchasing FreeRTOS documentation will not only help you, by *
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* ensuring you get running as quickly as possible and with an *
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* in-depth knowledge of how to use FreeRTOS, it will also help *
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* the FreeRTOS project to continue with its mission of providing *
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* professional grade, cross platform, de facto standard solutions *
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* for microcontrollers - completely free of charge! *
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* *
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* >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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* *
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* Thank you for using FreeRTOS, and thank you for your support! *
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* *
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***************************************************************************
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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>>>>>>NOTE<<<<<< The modification to the GPL is included to allow you to
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distribute a combined work that includes FreeRTOS without being obliged to
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provide the source code for proprietary components outside of the FreeRTOS
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kernel.
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details. You should have received a copy of the GNU General Public License
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and the FreeRTOS license exception along with FreeRTOS; if not itcan be
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viewed here: http://www.freertos.org/a00114.html and also obtained by
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writing to Real Time Engineers Ltd., contact details for whom are available
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on the FreeRTOS WEB site.
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1 tab == 4 spaces!
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***************************************************************************
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* *
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* Having a problem? Start by reading the FAQ "My application does *
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* not run, what could be wrong?" *
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* *
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* http://www.FreeRTOS.org/FAQHelp.html *
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* *
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***************************************************************************
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http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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license and Real Time Engineers Ltd. contact details.
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http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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including FreeRTOS+Trace - an indispensable productivity tool, and our new
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fully thread aware and reentrant UDP/IP stack.
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http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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Integrity Systems, who sell the code with commercial support,
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indemnification and middleware, under the OpenRTOS brand.
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http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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engineered and independently SIL3 certified version for use in safety and
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mission critical applications that require provable dependability.
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*/
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#ifndef USB_CDC_H
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#define USB_CDC_H
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#include "usb.h"
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#define USB_CDC_QUEUE_SIZE 200
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/* Structure used to take a snapshot of the USB status from within the ISR. */
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typedef struct X_ISR_STATUS
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{
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unsigned long ulISR;
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unsigned long ulCSR0;
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unsigned char ucFifoData[ 8 ];
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} xISRStatus;
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/* Structure used to hold the received requests. */
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typedef struct
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{
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unsigned char ucReqType;
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unsigned char ucRequest;
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unsigned short usValue;
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unsigned short usIndex;
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unsigned short usLength;
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} xUSB_REQUEST;
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typedef enum
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{
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eNOTHING,
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eJUST_RESET,
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eJUST_GOT_CONFIG,
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eJUST_GOT_ADDRESS,
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eSENDING_EVEN_DESCRIPTOR,
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eREADY_TO_SEND
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} eDRIVER_STATE;
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/* Structure used to control the data being sent to the host. */
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typedef struct
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{
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unsigned char ucBuffer[ usbMAX_CONTROL_MESSAGE_SIZE ];
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unsigned long ulNextCharIndex;
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unsigned long ulTotalDataLength;
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} xCONTROL_MESSAGE;
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/*-----------------------------------------------------------*/
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void vUSBCDCTask( void *pvParameters );
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/* Send cByte down the USB port. Characters are simply buffered and not
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sent unless the port is connected. */
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void vUSBSendByte( char cByte );
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#endif
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