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98 lines
4.1 KiB
C
98 lines
4.1 KiB
C
/*
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FreeRTOS.org V4.8.0 - Copyright (C) 2003-2008 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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FreeRTOS.org is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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FreeRTOS.org is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FreeRTOS.org; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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A special exception to the GPL can be applied should you wish to distribute
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a combined work that includes FreeRTOS.org, without being obliged to provide
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the source code for any proprietary components. See the licensing section
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of http://www.FreeRTOS.org for full details of how and when the exception
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can be applied.
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***************************************************************************
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***************************************************************************
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* *
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* SAVE TIME AND MONEY! We can port FreeRTOS.org to your own hardware, *
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* and even write all or part of your application on your behalf. *
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* See http://www.OpenRTOS.com for details of the services we provide to *
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* expedite your project. *
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* *
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***************************************************************************
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***************************************************************************
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Please ensure to read the configuration and relevant port sections of the
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online documentation.
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http://www.FreeRTOS.org - Documentation, latest information, license and
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contact details.
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http://www.SafeRTOS.com - A version that is certified for use in safety
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critical systems.
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http://www.OpenRTOS.com - Commercial support, development, porting,
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licensing and training services.
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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 portLONG ) 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 portLONG ulISR;
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unsigned portLONG ulCSR0;
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unsigned portCHAR 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 portLONG * ) pulValueNow ) ) |= ( unsigned portLONG ) 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 portLONG * ) pulValueNow ) ) &= ( unsigned portLONG ) 0xffffffcf; \
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\
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/* Set whichever bit we want set. */ \
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( * ( ( unsigned portLONG * ) 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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