/* | |
FreeRTOS.org V5.1.0 - Copyright (C) 2003-2008 Richard Barry. | |
This file is part of the FreeRTOS.org distribution. | |
FreeRTOS.org is free software; you can redistribute it and/or modify | |
it under the terms of the GNU General Public License as published by | |
the Free Software Foundation; either version 2 of the License, or | |
(at your option) any later version. | |
FreeRTOS.org 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 | |
along with FreeRTOS.org; if not, write to the Free Software | |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
A special exception to the GPL can be applied should you wish to distribute | |
a combined work that includes FreeRTOS.org, without being obliged to provide | |
the source code for any proprietary components. See the licensing section | |
of http://www.FreeRTOS.org for full details of how and when the exception | |
can be applied. | |
*************************************************************************** | |
*************************************************************************** | |
* * | |
* SAVE TIME AND MONEY! We can port FreeRTOS.org to your own hardware, * | |
* and even write all or part of your application on your behalf. * | |
* See http://www.OpenRTOS.com for details of the services we provide to * | |
* expedite your project. * | |
* * | |
*************************************************************************** | |
*************************************************************************** | |
Please ensure to read the configuration and relevant port sections of the | |
online documentation. | |
http://www.FreeRTOS.org - Documentation, latest information, license and | |
contact details. | |
http://www.SafeRTOS.com - A version that is certified for use in safety | |
critical systems. | |
http://www.OpenRTOS.com - Commercial support, development, porting, | |
licensing and training services. | |
*/ | |
#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 portLONG ) 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 portLONG ulISR; | |
unsigned portLONG ulCSR0; | |
unsigned portCHAR 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 portLONG * ) pulValueNow ) ) |= ( unsigned portLONG ) 0x4f; \ | |
\ | |
/* Clear the FORCE_STALL and TXPKTRDY bits */ \ | |
/* so the write has no effect. */ \ | |
( * ( ( unsigned portLONG * ) pulValueNow ) ) &= ( unsigned portLONG ) 0xffffffcf; \ | |
\ | |
/* Set whichever bit we want set. */ \ | |
( * ( ( unsigned portLONG * ) 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 | |