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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
/*
FreeRTOS V7.4.2 - Copyright (C) 2013 Real Time Engineers Ltd.
FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT
http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
***************************************************************************
* *
* 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 Real Time Engineers Ltd., 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, 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, and our new
fully thread aware and reentrant UDP/IP stack.
http://www.OpenRTOS.com - 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.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.
*/
/*-----------------------------------------------------------
* Simple IO routines to control the LEDs.
*-----------------------------------------------------------*/
/* Scheduler includes. */
#include "FreeRTOS.h"
#include "task.h"
/* Demo includes. */
#include "partest.h"
#define partestNUM_LEDS ( 4 )
long lParTestGetLEDState( unsigned long ulLED );
/*-----------------------------------------------------------*/
void vParTestInitialise( void )
{
/* Port pin configuration is done by the low level set up prior to this
function being called. */
}
/*-----------------------------------------------------------*/
void vParTestSetLED( unsigned long ulLED, signed long xValue )
{
if( ulLED < partestNUM_LEDS )
{
if( xValue != 0 )
{
/* Turn the LED on. */
taskENTER_CRITICAL();
{
switch( ulLED )
{
case 0: LED4 = LED_ON;
break;
case 1: LED5 = LED_ON;
break;
case 2: LED6 = LED_ON;
break;
case 3: LED7 = LED_ON;
break;
}
}
taskEXIT_CRITICAL();
}
else
{
/* Turn the LED off. */
taskENTER_CRITICAL();
{
switch( ulLED )
{
case 0: LED4 = LED_OFF;
break;
case 1: LED5 = LED_OFF;
break;
case 2: LED6 = LED_OFF;
break;
case 3: LED7 = LED_OFF;
break;
}
}
taskEXIT_CRITICAL();
}
}
}
/*-----------------------------------------------------------*/
void vParTestToggleLED( unsigned long ulLED )
{
if( ulLED < partestNUM_LEDS )
{
taskENTER_CRITICAL();
{
if( lParTestGetLEDState( ulLED ) != 0x00 )
{
vParTestSetLED( ulLED, 0 );
}
else
{
vParTestSetLED( ulLED, 1 );
}
}
taskEXIT_CRITICAL();
}
}
/*-----------------------------------------------------------*/
long lParTestGetLEDState( unsigned long ulLED )
{
long lReturn = pdTRUE;
if( ulLED < partestNUM_LEDS )
{
switch( ulLED )
{
case 0 : if( LED4 != 0 )
{
lReturn = pdFALSE;
}
break;
case 1 : if( LED5 != 0 )
{
lReturn = pdFALSE;
}
break;
case 2 : if( LED6 != 0 )
{
lReturn = pdFALSE;
}
break;
case 3 : if( LED7 != 0 )
{
lReturn = pdFALSE;
}
break;
}
}
return lReturn;
}
/*-----------------------------------------------------------*/
|
