91 lines
3.4 KiB
C
91 lines
3.4 KiB
C
/*
|
|
FreeRTOS.org V4.7.2 - 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.
|
|
|
|
***************************************************************************
|
|
|
|
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
|
|
|