mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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144 lines
7.4 KiB
C
144 lines
7.4 KiB
C
/*
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FreeRTOS V8.2.0rc1 - Copyright (C) 2014 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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>>! 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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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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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?". Have you defined configASSERT()? *
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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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***************************************************************************
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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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***************************************************************************
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* *
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* Investing in training allows your team to be as productive as *
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* possible as early as possible, lowering your overall development *
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* cost, and enabling you to bring a more robust product to market *
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* earlier than would otherwise be possible. Richard Barry is both *
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* the architect and key author of FreeRTOS, and so also the world's *
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* leading authority on what is the world's most popular real time *
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* kernel for deeply embedded MCU designs. Obtaining your training *
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* from Richard ensures your team will gain directly from his in-depth *
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* product knowledge and years of usage experience. Contact Real Time *
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* Engineers Ltd to enquire about the FreeRTOS Masterclass, presented *
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* by Richard Barry: http://www.FreeRTOS.org/contact
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* *
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***************************************************************************
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***************************************************************************
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* *
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* You are receiving this top quality software for free. Please play *
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* fair and reciprocate by reporting any suspected issues and *
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* participating in the community forum: *
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* http://www.FreeRTOS.org/support *
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* *
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* Thank you! *
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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, 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_DEMO_H
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#define USB_DEMO_H
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/*-----------------------------------------------------------*/
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#define usbQUEUE_LENGTH ( 0x3 ) /* Must have all bits set! */
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#define usbEND_POINT_0 ( 0 )
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#define usbEND_POINT_1 ( 1 )
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#define usbRX_COUNT_MASK ( ( unsigned long ) 0x7ff )
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#define AT91C_UDP_STALLSENT AT91C_UDP_ISOERROR
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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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/* Macros to manipulate the control and status registers. These registers
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cannot be accessed using a direct read modify write operation outside of the
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ISR as some bits are left unchanged by writing with a 0, and some are left
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unchanged by writing with a 1. */
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#define usbCSR_SET_BIT( pulValueNow, ulBit ) \
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{ \
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/* Set TXCOMP, RX_DATA_BK0, RXSETUP, */ \
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/* STALLSENT and RX_DATA_BK1 to 1 so the */ \
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/* write has no effect. */ \
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( * ( ( unsigned long * ) pulValueNow ) ) |= ( unsigned long ) 0x4f; \
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\
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/* Clear the FORCE_STALL and TXPKTRDY bits */ \
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/* so the write has no effect. */ \
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( * ( ( unsigned long * ) pulValueNow ) ) &= ( unsigned long ) 0xffffffcf; \
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\
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/* Set whichever bit we want set. */ \
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( * ( ( unsigned long * ) pulValueNow ) ) |= ( ulBit ); \
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}
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/*
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* Creates the queue used to communicate between the USB task and the USB ISR, then
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* createst the task that manages the USB peripheral.
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*/
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void vStartUSBTask( unsigned portBASE_TYPE uxPriority );
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#endif
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