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124 lines
4.9 KiB
C
124 lines
4.9 KiB
C
/*
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FreeRTOS V8.2.0 - Copyright (C) 2015 Real Time Engineers Ltd.
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All rights reserved
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VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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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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***************************************************************************
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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 !<<
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>>! obliged to provide the source code for proprietary components !<<
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>>! outside of the FreeRTOS kernel. !<<
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***************************************************************************
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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. Full license text is available on the following
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link: http://www.freertos.org/a00114.html
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***************************************************************************
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* *
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* FreeRTOS provides completely free yet professionally developed, *
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* robust, strictly quality controlled, supported, and cross *
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* platform software that is more than just the market leader, it *
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* is the industry's de facto standard. *
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* *
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* Help yourself get started quickly while simultaneously helping *
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* to support the FreeRTOS project by purchasing a FreeRTOS *
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* tutorial book, reference manual, or both: *
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* http://www.FreeRTOS.org/Documentation *
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* *
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***************************************************************************
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http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
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the FAQ page "My application does not run, what could be wrong?". Have you
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defined configASSERT()?
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http://www.FreeRTOS.org/support - In return for receiving this top quality
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embedded software for free we request you assist our global community by
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participating in the support forum.
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http://www.FreeRTOS.org/training - Investing in training allows your team to
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be as productive as possible as early as possible. Now you can receive
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FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
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Ltd, and the world's leading authority on the world's leading RTOS.
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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, a DOS
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compatible FAT file system, and our tiny thread aware UDP/IP stack.
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http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
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Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
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http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
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Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
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licenses offer ticketed support, indemnification and commercial middleware.
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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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1 tab == 4 spaces!
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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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