1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/*
FreeRTOS V8.1.0 - Copyright (C) 2014 Real Time Engineers Ltd.
All rights reserved
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
***************************************************************************
* *
* FreeRTOS provides completely free yet professionally developed, *
* robust, strictly quality controlled, supported, and cross *
* platform software that has become a de facto standard. *
* *
* Help yourself get started quickly and support the FreeRTOS *
* project by purchasing a FreeRTOS tutorial book, reference *
* manual, or both from: http://www.FreeRTOS.org/Documentation *
* *
* Thank you! *
* *
***************************************************************************
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. Full license text is available from the following
link: http://www.freertos.org/a00114.html
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, books, training, latest versions,
license and Real Time Engineers Ltd. contact details.
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
compatible FAT file system, and our tiny thread aware UDP/IP stack.
http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
licenses offer ticketed support, indemnification and middleware.
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
engineered and independently SIL3 certified version for use in safety and
mission critical applications that require provable dependability.
1 tab == 4 spaces!
*/
#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
|
