1 |
589 |
jeremybenn |
/*
|
2 |
|
|
FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.
|
3 |
|
|
|
4 |
|
|
***************************************************************************
|
5 |
|
|
* *
|
6 |
|
|
* If you are: *
|
7 |
|
|
* *
|
8 |
|
|
* + New to FreeRTOS, *
|
9 |
|
|
* + Wanting to learn FreeRTOS or multitasking in general quickly *
|
10 |
|
|
* + Looking for basic training, *
|
11 |
|
|
* + Wanting to improve your FreeRTOS skills and productivity *
|
12 |
|
|
* *
|
13 |
|
|
* then take a look at the FreeRTOS books - available as PDF or paperback *
|
14 |
|
|
* *
|
15 |
|
|
* "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
|
16 |
|
|
* http://www.FreeRTOS.org/Documentation *
|
17 |
|
|
* *
|
18 |
|
|
* A pdf reference manual is also available. Both are usually delivered *
|
19 |
|
|
* to your inbox within 20 minutes to two hours when purchased between 8am *
|
20 |
|
|
* and 8pm GMT (although please allow up to 24 hours in case of *
|
21 |
|
|
* exceptional circumstances). Thank you for your support! *
|
22 |
|
|
* *
|
23 |
|
|
***************************************************************************
|
24 |
|
|
|
25 |
|
|
This file is part of the FreeRTOS distribution.
|
26 |
|
|
|
27 |
|
|
FreeRTOS is free software; you can redistribute it and/or modify it under
|
28 |
|
|
the terms of the GNU General Public License (version 2) as published by the
|
29 |
|
|
Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
|
30 |
|
|
***NOTE*** The exception to the GPL is included to allow you to distribute
|
31 |
|
|
a combined work that includes FreeRTOS without being obliged to provide the
|
32 |
|
|
source code for proprietary components outside of the FreeRTOS kernel.
|
33 |
|
|
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
|
34 |
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
35 |
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
36 |
|
|
more details. You should have received a copy of the GNU General Public
|
37 |
|
|
License and the FreeRTOS license exception along with FreeRTOS; if not it
|
38 |
|
|
can be viewed here: http://www.freertos.org/a00114.html and also obtained
|
39 |
|
|
by writing to Richard Barry, contact details for whom are available on the
|
40 |
|
|
FreeRTOS WEB site.
|
41 |
|
|
|
42 |
|
|
1 tab == 4 spaces!
|
43 |
|
|
|
44 |
|
|
http://www.FreeRTOS.org - Documentation, latest information, license and
|
45 |
|
|
contact details.
|
46 |
|
|
|
47 |
|
|
http://www.SafeRTOS.com - A version that is certified for use in safety
|
48 |
|
|
critical systems.
|
49 |
|
|
|
50 |
|
|
http://www.OpenRTOS.com - Commercial support, development, porting,
|
51 |
|
|
licensing and training services.
|
52 |
|
|
*/
|
53 |
|
|
|
54 |
|
|
/* Scheduler include files. */
|
55 |
|
|
#include "FreeRTOS.h"
|
56 |
|
|
#include "task.h"
|
57 |
|
|
|
58 |
|
|
/* Demo file headers. */
|
59 |
|
|
#include "regtest.h"
|
60 |
|
|
|
61 |
|
|
/*
|
62 |
|
|
* Test tasks that sets registers to known values, then checks to ensure the
|
63 |
|
|
* values remain as expected. Test 1 and test 2 use different values.
|
64 |
|
|
*/
|
65 |
|
|
static void prvRegisterCheck1( void *pvParameters );
|
66 |
|
|
static void prvRegisterCheck2( void *pvParameters );
|
67 |
|
|
|
68 |
|
|
/* Set to a non zero value should an error be found. */
|
69 |
|
|
portBASE_TYPE xRegTestError = pdFALSE;
|
70 |
|
|
|
71 |
|
|
/*-----------------------------------------------------------*/
|
72 |
|
|
|
73 |
|
|
void vStartRegTestTasks( void )
|
74 |
|
|
{
|
75 |
|
|
xTaskCreate( prvRegisterCheck1, "Reg1", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
|
76 |
|
|
xTaskCreate( prvRegisterCheck2, "Reg2", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );
|
77 |
|
|
}
|
78 |
|
|
/*-----------------------------------------------------------*/
|
79 |
|
|
|
80 |
|
|
portBASE_TYPE xAreRegTestTasksStillRunning( void )
|
81 |
|
|
{
|
82 |
|
|
portBASE_TYPE xReturn;
|
83 |
|
|
|
84 |
|
|
/* If a register was found to contain an unexpected value then the
|
85 |
|
|
xRegTestError variable would have been set to a non zero value. */
|
86 |
|
|
if( xRegTestError == pdFALSE )
|
87 |
|
|
{
|
88 |
|
|
xReturn = pdTRUE;
|
89 |
|
|
}
|
90 |
|
|
else
|
91 |
|
|
{
|
92 |
|
|
xReturn = pdFALSE;
|
93 |
|
|
}
|
94 |
|
|
|
95 |
|
|
return xReturn;
|
96 |
|
|
}
|
97 |
|
|
/*-----------------------------------------------------------*/
|
98 |
|
|
|
99 |
|
|
static void prvRegisterCheck1( void *pvParameters )
|
100 |
|
|
{
|
101 |
|
|
( void ) pvParameters;
|
102 |
|
|
|
103 |
|
|
for( ;; )
|
104 |
|
|
{
|
105 |
|
|
asm( "LDI r31, 5" );
|
106 |
|
|
asm( "MOV r0, r31" );
|
107 |
|
|
asm( "LDI r31, 6" );
|
108 |
|
|
asm( "MOV r1, r31" );
|
109 |
|
|
asm( "LDI r31, 7" );
|
110 |
|
|
asm( "MOV r2, r31" );
|
111 |
|
|
asm( "LDI r31, 8" );
|
112 |
|
|
asm( "MOV r3, r31" );
|
113 |
|
|
asm( "LDI r31, 9" );
|
114 |
|
|
asm( "MOV r4, r31" );
|
115 |
|
|
asm( "LDI r31, 10" );
|
116 |
|
|
asm( "MOV r5, r31" );
|
117 |
|
|
asm( "LDI r31, 11" );
|
118 |
|
|
asm( "MOV r6, r31" );
|
119 |
|
|
asm( "LDI r31, 12" );
|
120 |
|
|
asm( "MOV r7, r31" );
|
121 |
|
|
asm( "LDI r31, 13" );
|
122 |
|
|
asm( "MOV r8, r31" );
|
123 |
|
|
asm( "LDI r31, 14" );
|
124 |
|
|
asm( "MOV r9, r31" );
|
125 |
|
|
asm( "LDI r31, 15" );
|
126 |
|
|
asm( "MOV r10, r31" );
|
127 |
|
|
asm( "LDI r31, 16" );
|
128 |
|
|
asm( "MOV r11, r31" );
|
129 |
|
|
asm( "LDI r31, 17" );
|
130 |
|
|
asm( "MOV r12, r31" );
|
131 |
|
|
asm( "LDI r31, 18" );
|
132 |
|
|
asm( "MOV r13, r31" );
|
133 |
|
|
asm( "LDI r31, 19" );
|
134 |
|
|
asm( "MOV r14, r31" );
|
135 |
|
|
asm( "LDI r31, 20" );
|
136 |
|
|
asm( "MOV r15, r31" );
|
137 |
|
|
asm( "LDI r16, 21" );
|
138 |
|
|
asm( "LDI r17, 22" );
|
139 |
|
|
asm( "LDI r18, 23" );
|
140 |
|
|
asm( "LDI r19, 24" );
|
141 |
|
|
asm( "LDI r20, 25" );
|
142 |
|
|
asm( "LDI r21, 26" );
|
143 |
|
|
asm( "LDI r22, 27" );
|
144 |
|
|
asm( "LDI r23, 28" );
|
145 |
|
|
asm( "LDI r24, 29" );
|
146 |
|
|
asm( "LDI r25, 30" );
|
147 |
|
|
asm( "LDI r26, 31" );
|
148 |
|
|
asm( "LDI r27, 32" );
|
149 |
|
|
asm( "LDI r30, 33" );
|
150 |
|
|
|
151 |
|
|
asm( "LDI r31, 5" );
|
152 |
|
|
asm( "CPSE r31, r0" );
|
153 |
|
|
asm( "STS xRegTestError, r0" );
|
154 |
|
|
asm( "LDI r31, 6" );
|
155 |
|
|
asm( "CPSE r31, r1" );
|
156 |
|
|
asm( "STS xRegTestError, r0" );
|
157 |
|
|
asm( "LDI r31, 7" );
|
158 |
|
|
asm( "CPSE r31, r2" );
|
159 |
|
|
asm( "STS xRegTestError, r0" );
|
160 |
|
|
asm( "LDI r31, 8" );
|
161 |
|
|
asm( "CPSE r31, r3" );
|
162 |
|
|
asm( "STS xRegTestError, r0" );
|
163 |
|
|
asm( "LDI r31, 9" );
|
164 |
|
|
asm( "CPSE r31, r4" );
|
165 |
|
|
asm( "STS xRegTestError, r0" );
|
166 |
|
|
asm( "LDI r31, 10" );
|
167 |
|
|
asm( "CPSE r31, r5" );
|
168 |
|
|
asm( "STS xRegTestError, r0" );
|
169 |
|
|
asm( "LDI r31, 11" );
|
170 |
|
|
asm( "CPSE r31, r6" );
|
171 |
|
|
asm( "STS xRegTestError, r0" );
|
172 |
|
|
asm( "LDI r31, 12" );
|
173 |
|
|
asm( "CPSE r31, r7" );
|
174 |
|
|
asm( "STS xRegTestError, r0" );
|
175 |
|
|
asm( "LDI r31, 13" );
|
176 |
|
|
asm( "CPSE r31, r8" );
|
177 |
|
|
asm( "STS xRegTestError, r0" );
|
178 |
|
|
asm( "LDI r31, 14" );
|
179 |
|
|
asm( "CPSE r31, r9" );
|
180 |
|
|
asm( "STS xRegTestError, r0" );
|
181 |
|
|
asm( "LDI r31, 15" );
|
182 |
|
|
asm( "CPSE r31, r10" );
|
183 |
|
|
asm( "STS xRegTestError, r0" );
|
184 |
|
|
asm( "LDI r31, 16" );
|
185 |
|
|
asm( "CPSE r31, r11" );
|
186 |
|
|
asm( "STS xRegTestError, r0" );
|
187 |
|
|
asm( "LDI r31, 17" );
|
188 |
|
|
asm( "CPSE r31, r12" );
|
189 |
|
|
asm( "STS xRegTestError, r0" );
|
190 |
|
|
asm( "LDI r31, 18" );
|
191 |
|
|
asm( "CPSE r31, r13" );
|
192 |
|
|
asm( "STS xRegTestError, r0" );
|
193 |
|
|
asm( "LDI r31, 19" );
|
194 |
|
|
asm( "CPSE r31, r14" );
|
195 |
|
|
asm( "STS xRegTestError, r0" );
|
196 |
|
|
asm( "LDI r31, 20" );
|
197 |
|
|
asm( "CPSE r31, r15" );
|
198 |
|
|
asm( "STS xRegTestError, r0" );
|
199 |
|
|
asm( "LDI r31, 21" );
|
200 |
|
|
asm( "CPSE r31, r16" );
|
201 |
|
|
asm( "STS xRegTestError, r0" );
|
202 |
|
|
asm( "LDI r31, 22" );
|
203 |
|
|
asm( "CPSE r31, r17" );
|
204 |
|
|
asm( "STS xRegTestError, r0" );
|
205 |
|
|
asm( "LDI r31, 23" );
|
206 |
|
|
asm( "CPSE r31, r18" );
|
207 |
|
|
asm( "STS xRegTestError, r0" );
|
208 |
|
|
asm( "LDI r31, 24" );
|
209 |
|
|
asm( "CPSE r31, r19" );
|
210 |
|
|
asm( "STS xRegTestError, r0" );
|
211 |
|
|
asm( "LDI r31, 25" );
|
212 |
|
|
asm( "CPSE r31, r20" );
|
213 |
|
|
asm( "STS xRegTestError, r0" );
|
214 |
|
|
asm( "LDI r31, 26" );
|
215 |
|
|
asm( "CPSE r31, r21" );
|
216 |
|
|
asm( "STS xRegTestError, r0" );
|
217 |
|
|
asm( "LDI r31, 27" );
|
218 |
|
|
asm( "CPSE r31, r22" );
|
219 |
|
|
asm( "STS xRegTestError, r0" );
|
220 |
|
|
asm( "LDI r31, 28" );
|
221 |
|
|
asm( "CPSE r31, r23" );
|
222 |
|
|
asm( "STS xRegTestError, r0" );
|
223 |
|
|
asm( "LDI r31, 29" );
|
224 |
|
|
asm( "CPSE r31, r24" );
|
225 |
|
|
asm( "STS xRegTestError, r0" );
|
226 |
|
|
asm( "LDI r31, 30" );
|
227 |
|
|
asm( "CPSE r31, r25" );
|
228 |
|
|
asm( "STS xRegTestError, r0" );
|
229 |
|
|
asm( "LDI r31, 31" );
|
230 |
|
|
asm( "CPSE r31, r26" );
|
231 |
|
|
asm( "STS xRegTestError, r0" );
|
232 |
|
|
asm( "LDI r31, 32" );
|
233 |
|
|
asm( "CPSE r31, r27" );
|
234 |
|
|
asm( "STS xRegTestError, r0" );
|
235 |
|
|
asm( "LDI r31, 33" );
|
236 |
|
|
asm( "CPSE r31, r30" );
|
237 |
|
|
asm( "STS xRegTestError, r0" );
|
238 |
|
|
}
|
239 |
|
|
}
|
240 |
|
|
/*-----------------------------------------------------------*/
|
241 |
|
|
|
242 |
|
|
static void prvRegisterCheck2( void *pvParameters )
|
243 |
|
|
{
|
244 |
|
|
( void ) pvParameters;
|
245 |
|
|
|
246 |
|
|
for( ;; )
|
247 |
|
|
{
|
248 |
|
|
asm( "LDI r31, 1" );
|
249 |
|
|
asm( "MOV r0, r31" );
|
250 |
|
|
asm( "LDI r31, 2" );
|
251 |
|
|
asm( "MOV r1, r31" );
|
252 |
|
|
asm( "LDI r31, 3" );
|
253 |
|
|
asm( "MOV r2, r31" );
|
254 |
|
|
asm( "LDI r31, 4" );
|
255 |
|
|
asm( "MOV r3, r31" );
|
256 |
|
|
asm( "LDI r31, 5" );
|
257 |
|
|
asm( "MOV r4, r31" );
|
258 |
|
|
asm( "LDI r31, 6" );
|
259 |
|
|
asm( "MOV r5, r31" );
|
260 |
|
|
asm( "LDI r31, 7" );
|
261 |
|
|
asm( "MOV r6, r31" );
|
262 |
|
|
asm( "LDI r31, 8" );
|
263 |
|
|
asm( "MOV r7, r31" );
|
264 |
|
|
asm( "LDI r31, 9" );
|
265 |
|
|
asm( "MOV r8, r31" );
|
266 |
|
|
asm( "LDI r31, 10" );
|
267 |
|
|
asm( "MOV r9, r31" );
|
268 |
|
|
asm( "LDI r31, 11" );
|
269 |
|
|
asm( "MOV r10, r31" );
|
270 |
|
|
asm( "LDI r31, 12" );
|
271 |
|
|
asm( "MOV r11, r31" );
|
272 |
|
|
asm( "LDI r31, 13" );
|
273 |
|
|
asm( "MOV r12, r31" );
|
274 |
|
|
asm( "LDI r31, 14" );
|
275 |
|
|
asm( "MOV r13, r31" );
|
276 |
|
|
asm( "LDI r31, 15" );
|
277 |
|
|
asm( "MOV r14, r31" );
|
278 |
|
|
asm( "LDI r31, 16" );
|
279 |
|
|
asm( "MOV r15, r31" );
|
280 |
|
|
asm( "LDI r16, 17" );
|
281 |
|
|
asm( "LDI r17, 18" );
|
282 |
|
|
asm( "LDI r18, 19" );
|
283 |
|
|
asm( "LDI r19, 20" );
|
284 |
|
|
asm( "LDI r20, 21" );
|
285 |
|
|
asm( "LDI r21, 22" );
|
286 |
|
|
asm( "LDI r22, 23" );
|
287 |
|
|
asm( "LDI r23, 24" );
|
288 |
|
|
asm( "LDI r24, 25" );
|
289 |
|
|
asm( "LDI r25, 26" );
|
290 |
|
|
asm( "LDI r26, 27" );
|
291 |
|
|
asm( "LDI r27, 28" );
|
292 |
|
|
asm( "LDI r30, 29" );
|
293 |
|
|
|
294 |
|
|
asm( "LDI r31, 1" );
|
295 |
|
|
asm( "CPSE r31, r0" );
|
296 |
|
|
asm( "STS xRegTestError, r0" );
|
297 |
|
|
asm( "LDI r31, 2" );
|
298 |
|
|
asm( "CPSE r31, r1" );
|
299 |
|
|
asm( "STS xRegTestError, r0" );
|
300 |
|
|
asm( "LDI r31, 3" );
|
301 |
|
|
asm( "CPSE r31, r2" );
|
302 |
|
|
asm( "STS xRegTestError, r0" );
|
303 |
|
|
asm( "LDI r31, 4" );
|
304 |
|
|
asm( "CPSE r31, r3" );
|
305 |
|
|
asm( "STS xRegTestError, r0" );
|
306 |
|
|
asm( "LDI r31, 5" );
|
307 |
|
|
asm( "CPSE r31, r4" );
|
308 |
|
|
asm( "STS xRegTestError, r0" );
|
309 |
|
|
asm( "LDI r31, 6" );
|
310 |
|
|
asm( "CPSE r31, r5" );
|
311 |
|
|
asm( "STS xRegTestError, r0" );
|
312 |
|
|
asm( "LDI r31, 7" );
|
313 |
|
|
asm( "CPSE r31, r6" );
|
314 |
|
|
asm( "STS xRegTestError, r0" );
|
315 |
|
|
asm( "LDI r31, 8" );
|
316 |
|
|
asm( "CPSE r31, r7" );
|
317 |
|
|
asm( "STS xRegTestError, r0" );
|
318 |
|
|
asm( "LDI r31, 9" );
|
319 |
|
|
asm( "CPSE r31, r8" );
|
320 |
|
|
asm( "STS xRegTestError, r0" );
|
321 |
|
|
asm( "LDI r31, 10" );
|
322 |
|
|
asm( "CPSE r31, r9" );
|
323 |
|
|
asm( "STS xRegTestError, r0" );
|
324 |
|
|
asm( "LDI r31, 11" );
|
325 |
|
|
asm( "CPSE r31, r10" );
|
326 |
|
|
asm( "STS xRegTestError, r0" );
|
327 |
|
|
asm( "LDI r31, 12" );
|
328 |
|
|
asm( "CPSE r31, r11" );
|
329 |
|
|
asm( "STS xRegTestError, r0" );
|
330 |
|
|
asm( "LDI r31, 13" );
|
331 |
|
|
asm( "CPSE r31, r12" );
|
332 |
|
|
asm( "STS xRegTestError, r0" );
|
333 |
|
|
asm( "LDI r31, 14" );
|
334 |
|
|
asm( "CPSE r31, r13" );
|
335 |
|
|
asm( "STS xRegTestError, r0" );
|
336 |
|
|
asm( "LDI r31, 15" );
|
337 |
|
|
asm( "CPSE r31, r14" );
|
338 |
|
|
asm( "STS xRegTestError, r0" );
|
339 |
|
|
asm( "LDI r31, 16" );
|
340 |
|
|
asm( "CPSE r31, r15" );
|
341 |
|
|
asm( "STS xRegTestError, r0" );
|
342 |
|
|
asm( "LDI r31, 17" );
|
343 |
|
|
asm( "CPSE r31, r16" );
|
344 |
|
|
asm( "STS xRegTestError, r0" );
|
345 |
|
|
asm( "LDI r31, 18" );
|
346 |
|
|
asm( "CPSE r31, r17" );
|
347 |
|
|
asm( "STS xRegTestError, r0" );
|
348 |
|
|
asm( "LDI r31, 19" );
|
349 |
|
|
asm( "CPSE r31, r18" );
|
350 |
|
|
asm( "STS xRegTestError, r0" );
|
351 |
|
|
asm( "LDI r31, 20" );
|
352 |
|
|
asm( "CPSE r31, r19" );
|
353 |
|
|
asm( "STS xRegTestError, r0" );
|
354 |
|
|
asm( "LDI r31, 21" );
|
355 |
|
|
asm( "CPSE r31, r20" );
|
356 |
|
|
asm( "STS xRegTestError, r0" );
|
357 |
|
|
asm( "LDI r31, 22" );
|
358 |
|
|
asm( "CPSE r31, r21" );
|
359 |
|
|
asm( "STS xRegTestError, r0" );
|
360 |
|
|
asm( "LDI r31, 23" );
|
361 |
|
|
asm( "CPSE r31, r22" );
|
362 |
|
|
asm( "STS xRegTestError, r0" );
|
363 |
|
|
asm( "LDI r31, 24" );
|
364 |
|
|
asm( "CPSE r31, r23" );
|
365 |
|
|
asm( "STS xRegTestError, r0" );
|
366 |
|
|
asm( "LDI r31, 25" );
|
367 |
|
|
asm( "CPSE r31, r24" );
|
368 |
|
|
asm( "STS xRegTestError, r0" );
|
369 |
|
|
asm( "LDI r31, 26" );
|
370 |
|
|
asm( "CPSE r31, r25" );
|
371 |
|
|
asm( "STS xRegTestError, r0" );
|
372 |
|
|
asm( "LDI r31, 27" );
|
373 |
|
|
asm( "CPSE r31, r26" );
|
374 |
|
|
asm( "STS xRegTestError, r0" );
|
375 |
|
|
asm( "LDI r31, 28" );
|
376 |
|
|
asm( "CPSE r31, r27" );
|
377 |
|
|
asm( "STS xRegTestError, r0" );
|
378 |
|
|
asm( "LDI r31, 29" );
|
379 |
|
|
asm( "CPSE r31, r30" );
|
380 |
|
|
asm( "STS xRegTestError, r0" );
|
381 |
|
|
}
|
382 |
|
|
}
|
383 |
|
|
|