/* | |
FreeRTOS V7.2.0 - Copyright (C) 2012 Real Time Engineers Ltd. | |
*************************************************************************** | |
* * | |
* FreeRTOS tutorial books are available in pdf and paperback. * | |
* Complete, revised, and edited pdf reference manuals are also * | |
* available. * | |
* * | |
* Purchasing FreeRTOS documentation will not only help you, by * | |
* ensuring you get running as quickly as possible and with an * | |
* in-depth knowledge of how to use FreeRTOS, it will also help * | |
* the FreeRTOS project to continue with its mission of providing * | |
* professional grade, cross platform, de facto standard solutions * | |
* for microcontrollers - completely free of charge! * | |
* * | |
* >>> See http://www.FreeRTOS.org/Documentation for details. <<< * | |
* * | |
* Thank you for using FreeRTOS, and thank you for your support! * | |
* * | |
*************************************************************************** | |
This file is part of the FreeRTOS distribution. | |
FreeRTOS is free software; you can redistribute it and/or modify it under | |
the terms of the GNU General Public License (version 2) as published by the | |
Free Software Foundation AND MODIFIED BY the FreeRTOS exception. | |
>>>NOTE<<< The modification to the GPL is included to allow you to | |
distribute a combined work that includes FreeRTOS without being obliged to | |
provide the source code for proprietary components outside of the FreeRTOS | |
kernel. FreeRTOS is distributed in the hope that it will be useful, but | |
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
more details. You should have received a copy of the GNU General Public | |
License and the FreeRTOS license exception along with FreeRTOS; if not it | |
can be viewed here: http://www.freertos.org/a00114.html and also obtained | |
by writing to Richard Barry, contact details for whom are available on the | |
FreeRTOS WEB site. | |
1 tab == 4 spaces! | |
*************************************************************************** | |
* * | |
* Having a problem? Start by reading the FAQ "My application does * | |
* not run, what could be wrong? * | |
* * | |
* http://www.FreeRTOS.org/FAQHelp.html * | |
* * | |
*************************************************************************** | |
http://www.FreeRTOS.org - Documentation, training, latest information, | |
license and contact details. | |
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, | |
including FreeRTOS+Trace - an indispensable productivity tool. | |
Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell | |
the code with commercial support, indemnification, and middleware, under | |
the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also | |
provide a safety engineered and independently SIL3 certified version under | |
the SafeRTOS brand: http://www.SafeRTOS.com. | |
*/ | |
#ifndef USB_DEMO_H | |
#define USB_DEMO_H | |
/*-----------------------------------------------------------*/ | |
#define usbQUEUE_LENGTH ( 0x3 ) /* Must have all bits set! */ | |
#define usbEND_POINT_0 ( 0 ) | |
#define usbEND_POINT_1 ( 1 ) | |
#define usbRX_COUNT_MASK ( ( unsigned long ) 0x7ff ) | |
#define AT91C_UDP_STALLSENT AT91C_UDP_ISOERROR | |
/* Structure used to take a snapshot of the USB status from within the ISR. */ | |
typedef struct X_ISR_STATUS | |
{ | |
unsigned long ulISR; | |
unsigned long ulCSR0; | |
unsigned char ucFifoData[ 8 ]; | |
} xISRStatus; | |
/* Macros to manipulate the control and status registers. These registers | |
cannot be accessed using a direct read modify write operation outside of the | |
ISR as some bits are left unchanged by writing with a 0, and some are left | |
unchanged by writing with a 1. */ | |
#define usbCSR_SET_BIT( pulValueNow, ulBit ) \ | |
{ \ | |
/* Set TXCOMP, RX_DATA_BK0, RXSETUP, */ \ | |
/* STALLSENT and RX_DATA_BK1 to 1 so the */ \ | |
/* write has no effect. */ \ | |
( * ( ( unsigned long * ) pulValueNow ) ) |= ( unsigned long ) 0x4f; \ | |
\ | |
/* Clear the FORCE_STALL and TXPKTRDY bits */ \ | |
/* so the write has no effect. */ \ | |
( * ( ( unsigned long * ) pulValueNow ) ) &= ( unsigned long ) 0xffffffcf; \ | |
\ | |
/* Set whichever bit we want set. */ \ | |
( * ( ( unsigned long * ) pulValueNow ) ) |= ( ulBit ); \ | |
} | |
/* | |
* Creates the queue used to communicate between the USB task and the USB ISR, then | |
* createst the task that manages the USB peripheral. | |
*/ | |
void vStartUSBTask( unsigned portBASE_TYPE uxPriority ); | |
#endif | |