]> git.sur5r.net Git - freertos/blob - Demo/AVR_ATMega323_WinAVR/regtest.c
Prepare for V5.3.1 release.
[freertos] / Demo / AVR_ATMega323_WinAVR / regtest.c
1 /*\r
2         FreeRTOS.org V5.3.1 - Copyright (C) 2003-2009 Richard Barry.\r
3 \r
4         This file is part of the FreeRTOS.org distribution.\r
5 \r
6         FreeRTOS.org is free software; you can redistribute it and/or modify it\r
7         under the terms of the GNU General Public License (version 2) as published\r
8         by the Free Software Foundation and modified by the FreeRTOS exception.\r
9         **NOTE** The exception to the GPL is included to allow you to distribute a\r
10         combined work that includes FreeRTOS.org without being obliged to provide\r
11         the source code for any proprietary components.  Alternative commercial\r
12         license and support terms are also available upon request.  See the \r
13         licensing section of http://www.FreeRTOS.org for full details.\r
14 \r
15         FreeRTOS.org is distributed in the hope that it will be useful, but WITHOUT\r
16         ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or\r
17         FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for\r
18         more details.\r
19 \r
20         You should have received a copy of the GNU General Public License along\r
21         with FreeRTOS.org; if not, write to the Free Software Foundation, Inc., 59\r
22         Temple Place, Suite 330, Boston, MA  02111-1307  USA.\r
23 \r
24 \r
25         ***************************************************************************\r
26         *                                                                         *\r
27         * Get the FreeRTOS eBook!  See http://www.FreeRTOS.org/Documentation      *\r
28         *                                                                         *\r
29         * This is a concise, step by step, 'hands on' guide that describes both   *\r
30         * general multitasking concepts and FreeRTOS specifics. It presents and   *\r
31         * explains numerous examples that are written using the FreeRTOS API.     *\r
32         * Full source code for all the examples is provided in an accompanying    *\r
33         * .zip file.                                                              *\r
34         *                                                                         *\r
35         ***************************************************************************\r
36 \r
37         1 tab == 4 spaces!\r
38 \r
39         Please ensure to read the configuration and relevant port sections of the\r
40         online documentation.\r
41 \r
42         http://www.FreeRTOS.org - Documentation, latest information, license and\r
43         contact details.\r
44 \r
45         http://www.SafeRTOS.com - A version that is certified for use in safety\r
46         critical systems.\r
47 \r
48         http://www.OpenRTOS.com - Commercial support, development, porting,\r
49         licensing and training services.\r
50 */\r
51 \r
52 /* Scheduler include files. */\r
53 #include "FreeRTOS.h"\r
54 #include "task.h"\r
55 \r
56 /* Demo file headers. */\r
57 #include "regtest.h"\r
58 \r
59 /*\r
60  * Test tasks that sets registers to known values, then checks to ensure the\r
61  * values remain as expected.  Test 1 and test 2 use different values.\r
62  */\r
63 static void prvRegisterCheck1( void *pvParameters );\r
64 static void prvRegisterCheck2( void *pvParameters );\r
65 \r
66 /* Set to a non zero value should an error be found. */\r
67 portBASE_TYPE xRegTestError = pdFALSE;\r
68 \r
69 /*-----------------------------------------------------------*/\r
70 \r
71 void vStartRegTestTasks( void )\r
72 {\r
73         xTaskCreate( prvRegisterCheck1, ( signed portCHAR * ) "Reg1", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );\r
74         xTaskCreate( prvRegisterCheck2, ( signed portCHAR * ) "Reg2", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );         \r
75 }\r
76 /*-----------------------------------------------------------*/\r
77 \r
78 portBASE_TYPE xAreRegTestTasksStillRunning( void )\r
79 {\r
80 portBASE_TYPE xReturn;\r
81 \r
82         /* If a register was found to contain an unexpected value then the\r
83         xRegTestError variable would have been set to a non zero value. */\r
84         if( xRegTestError == pdFALSE )\r
85         {\r
86                 xReturn = pdTRUE;\r
87         }\r
88         else\r
89         {\r
90                 xReturn = pdFALSE;\r
91         }\r
92         \r
93         return xReturn;\r
94 }\r
95 /*-----------------------------------------------------------*/\r
96 \r
97 static void prvRegisterCheck1( void *pvParameters )\r
98 {\r
99         ( void ) pvParameters;\r
100 \r
101         for( ;; )\r
102         {\r
103                 asm(    "LDI    r31,    5"              );              \r
104                 asm(    "MOV    r0,             r31"    );\r
105                 asm(    "LDI    r31,    6"              );\r
106                 asm(    "MOV    r1,             r31"    );\r
107                 asm(    "LDI    r31,    7"              );\r
108                 asm(    "MOV    r2,             r31"    );\r
109                 asm(    "LDI    r31,    8"              );\r
110                 asm(    "MOV    r3,             r31"    );\r
111                 asm(    "LDI    r31,    9"              );\r
112                 asm(    "MOV    r4,             r31"    );\r
113                 asm(    "LDI    r31,    10"             );\r
114                 asm(    "MOV    r5,             r31"    );\r
115                 asm(    "LDI    r31,    11"             );\r
116                 asm(    "MOV    r6,             r31"    );\r
117                 asm(    "LDI    r31,    12"             );\r
118                 asm(    "MOV    r7,             r31"    );\r
119                 asm(    "LDI    r31,    13"             );\r
120                 asm(    "MOV    r8,             r31"    );\r
121                 asm(    "LDI    r31,    14"             );\r
122                 asm(    "MOV    r9,             r31"    );\r
123                 asm(    "LDI    r31,    15"             );\r
124                 asm(    "MOV    r10,    r31"    );\r
125                 asm(    "LDI    r31,    16"             );\r
126                 asm(    "MOV    r11,    r31"    );\r
127                 asm(    "LDI    r31,    17"             );\r
128                 asm(    "MOV    r12,    r31"    );\r
129                 asm(    "LDI    r31,    18"             );\r
130                 asm(    "MOV    r13,    r31"    );\r
131                 asm(    "LDI    r31,    19"             );\r
132                 asm(    "MOV    r14,    r31"    );\r
133                 asm(    "LDI    r31,    20"             );\r
134                 asm(    "MOV    r15,    r31"    );\r
135                 asm(    "LDI    r16,    21"             );\r
136                 asm(    "LDI    r17,    22"             );\r
137                 asm(    "LDI    r18,    23"             );\r
138                 asm(    "LDI    r19,    24"             );\r
139                 asm(    "LDI    r20,    25"             );\r
140                 asm(    "LDI    r21,    26"             );\r
141                 asm(    "LDI    r22,    27"             );\r
142                 asm(    "LDI    r23,    28"             );\r
143                 asm(    "LDI    r24,    29"             );\r
144                 asm(    "LDI    r25,    30"             );\r
145                 asm(    "LDI    r26,    31"             );\r
146                 asm(    "LDI    r27,    32"             );\r
147                 asm(    "LDI    r30,    33"             );\r
148 \r
149                 asm(    "LDI    r31,    5"                      );\r
150                 asm(    "CPSE   r31,    r0"                     );\r
151                 asm(    "STS    xRegTestError, r0"      );\r
152                 asm(    "LDI    r31,    6"                      );\r
153                 asm(    "CPSE   r31,    r1"                     );\r
154                 asm(    "STS    xRegTestError, r0"      );\r
155                 asm(    "LDI    r31,    7"                      );\r
156                 asm(    "CPSE   r31,    r2"                     );\r
157                 asm(    "STS    xRegTestError, r0"      );\r
158                 asm(    "LDI    r31,    8"                      );\r
159                 asm(    "CPSE   r31,    r3"                     );\r
160                 asm(    "STS    xRegTestError, r0"      );\r
161                 asm(    "LDI    r31,    9"                      );\r
162                 asm(    "CPSE   r31,    r4"                     );\r
163                 asm(    "STS    xRegTestError, r0"      );\r
164                 asm(    "LDI    r31,    10"                     );\r
165                 asm(    "CPSE   r31,    r5"                     );\r
166                 asm(    "STS    xRegTestError, r0"      );\r
167                 asm(    "LDI    r31,    11"                     );\r
168                 asm(    "CPSE   r31,    r6"                     );\r
169                 asm(    "STS    xRegTestError, r0"      );\r
170                 asm(    "LDI    r31,    12"                     );\r
171                 asm(    "CPSE   r31,    r7"                     );\r
172                 asm(    "STS    xRegTestError, r0"      );\r
173                 asm(    "LDI    r31,    13"                     );\r
174                 asm(    "CPSE   r31,    r8"                     );\r
175                 asm(    "STS    xRegTestError, r0"      );\r
176                 asm(    "LDI    r31,    14"                     );\r
177                 asm(    "CPSE   r31,    r9"                     );\r
178                 asm(    "STS    xRegTestError, r0"      );\r
179                 asm(    "LDI    r31,    15"                     );\r
180                 asm(    "CPSE   r31,    r10"            );\r
181                 asm(    "STS    xRegTestError, r0"      );\r
182                 asm(    "LDI    r31,    16"                     );\r
183                 asm(    "CPSE   r31,    r11"            );\r
184                 asm(    "STS    xRegTestError, r0"      );\r
185                 asm(    "LDI    r31,    17"                     );\r
186                 asm(    "CPSE   r31,    r12"            );\r
187                 asm(    "STS    xRegTestError, r0"      );\r
188                 asm(    "LDI    r31,    18"                     );\r
189                 asm(    "CPSE   r31,    r13"            );\r
190                 asm(    "STS    xRegTestError, r0"      );\r
191                 asm(    "LDI    r31,    19"                     );\r
192                 asm(    "CPSE   r31,    r14"            );\r
193                 asm(    "STS    xRegTestError, r0"      );\r
194                 asm(    "LDI    r31,    20"                     );\r
195                 asm(    "CPSE   r31,    r15"            );\r
196                 asm(    "STS    xRegTestError, r0"      );\r
197                 asm(    "LDI    r31,    21"                     );\r
198                 asm(    "CPSE   r31,    r16"            );\r
199                 asm(    "STS    xRegTestError, r0"      );\r
200                 asm(    "LDI    r31,    22"                     );\r
201                 asm(    "CPSE   r31,    r17"            );\r
202                 asm(    "STS    xRegTestError, r0"      );\r
203                 asm(    "LDI    r31,    23"                     );\r
204                 asm(    "CPSE   r31,    r18"            );\r
205                 asm(    "STS    xRegTestError, r0"      );\r
206                 asm(    "LDI    r31,    24"                     );\r
207                 asm(    "CPSE   r31,    r19"            );\r
208                 asm(    "STS    xRegTestError, r0"      );\r
209                 asm(    "LDI    r31,    25"                     );\r
210                 asm(    "CPSE   r31,    r20"            );\r
211                 asm(    "STS    xRegTestError, r0"      );\r
212                 asm(    "LDI    r31,    26"                     );\r
213                 asm(    "CPSE   r31,    r21"            );\r
214                 asm(    "STS    xRegTestError, r0"      );\r
215                 asm(    "LDI    r31,    27"                     );\r
216                 asm(    "CPSE   r31,    r22"            );\r
217                 asm(    "STS    xRegTestError, r0"      );\r
218                 asm(    "LDI    r31,    28"                     );\r
219                 asm(    "CPSE   r31,    r23"            );\r
220                 asm(    "STS    xRegTestError, r0"      );\r
221                 asm(    "LDI    r31,    29"                     );\r
222                 asm(    "CPSE   r31,    r24"            );\r
223                 asm(    "STS    xRegTestError, r0"      );\r
224                 asm(    "LDI    r31,    30"                     );\r
225                 asm(    "CPSE   r31,    r25"            );\r
226                 asm(    "STS    xRegTestError, r0"      );\r
227                 asm(    "LDI    r31,    31"                     );\r
228                 asm(    "CPSE   r31,    r26"            );\r
229                 asm(    "STS    xRegTestError, r0"      );\r
230                 asm(    "LDI    r31,    32"                     );\r
231                 asm(    "CPSE   r31,    r27"            );\r
232                 asm(    "STS    xRegTestError, r0"      );\r
233                 asm(    "LDI    r31,    33"                     );\r
234                 asm(    "CPSE   r31,    r30"            );\r
235                 asm(    "STS    xRegTestError, r0"      );\r
236         }\r
237 }\r
238 /*-----------------------------------------------------------*/\r
239 \r
240 static void prvRegisterCheck2( void *pvParameters )\r
241 {\r
242         ( void ) pvParameters;\r
243 \r
244         for( ;; )\r
245         {\r
246                 asm(    "LDI    r31,    1"              );              \r
247                 asm(    "MOV    r0,             r31"    );\r
248                 asm(    "LDI    r31,    2"              );\r
249                 asm(    "MOV    r1,             r31"    );\r
250                 asm(    "LDI    r31,    3"              );\r
251                 asm(    "MOV    r2,             r31"    );\r
252                 asm(    "LDI    r31,    4"              );\r
253                 asm(    "MOV    r3,             r31"    );\r
254                 asm(    "LDI    r31,    5"              );\r
255                 asm(    "MOV    r4,             r31"    );\r
256                 asm(    "LDI    r31,    6"              );\r
257                 asm(    "MOV    r5,             r31"    );\r
258                 asm(    "LDI    r31,    7"              );\r
259                 asm(    "MOV    r6,             r31"    );\r
260                 asm(    "LDI    r31,    8"              );\r
261                 asm(    "MOV    r7,             r31"    );\r
262                 asm(    "LDI    r31,    9"              );\r
263                 asm(    "MOV    r8,             r31"    );\r
264                 asm(    "LDI    r31,    10"             );\r
265                 asm(    "MOV    r9,             r31"    );\r
266                 asm(    "LDI    r31,    11"             );\r
267                 asm(    "MOV    r10,    r31"    );\r
268                 asm(    "LDI    r31,    12"             );\r
269                 asm(    "MOV    r11,    r31"    );\r
270                 asm(    "LDI    r31,    13"             );\r
271                 asm(    "MOV    r12,    r31"    );\r
272                 asm(    "LDI    r31,    14"             );\r
273                 asm(    "MOV    r13,    r31"    );\r
274                 asm(    "LDI    r31,    15"             );\r
275                 asm(    "MOV    r14,    r31"    );\r
276                 asm(    "LDI    r31,    16"             );\r
277                 asm(    "MOV    r15,    r31"    );\r
278                 asm(    "LDI    r16,    17"             );\r
279                 asm(    "LDI    r17,    18"             );\r
280                 asm(    "LDI    r18,    19"             );\r
281                 asm(    "LDI    r19,    20"             );\r
282                 asm(    "LDI    r20,    21"             );\r
283                 asm(    "LDI    r21,    22"             );\r
284                 asm(    "LDI    r22,    23"             );\r
285                 asm(    "LDI    r23,    24"             );\r
286                 asm(    "LDI    r24,    25"             );\r
287                 asm(    "LDI    r25,    26"             );\r
288                 asm(    "LDI    r26,    27"             );\r
289                 asm(    "LDI    r27,    28"             );\r
290                 asm(    "LDI    r30,    29"             );\r
291 \r
292                 asm(    "LDI    r31,    1"                      );\r
293                 asm(    "CPSE   r31,    r0"                     );\r
294                 asm(    "STS    xRegTestError, r0"      );\r
295                 asm(    "LDI    r31,    2"                      );\r
296                 asm(    "CPSE   r31,    r1"                     );\r
297                 asm(    "STS    xRegTestError, r0"      );\r
298                 asm(    "LDI    r31,    3"                      );\r
299                 asm(    "CPSE   r31,    r2"                     );\r
300                 asm(    "STS    xRegTestError, r0"      );\r
301                 asm(    "LDI    r31,    4"                      );\r
302                 asm(    "CPSE   r31,    r3"                     );\r
303                 asm(    "STS    xRegTestError, r0"      );\r
304                 asm(    "LDI    r31,    5"                      );\r
305                 asm(    "CPSE   r31,    r4"                     );\r
306                 asm(    "STS    xRegTestError, r0"      );\r
307                 asm(    "LDI    r31,    6"                      );\r
308                 asm(    "CPSE   r31,    r5"                     );\r
309                 asm(    "STS    xRegTestError, r0"      );\r
310                 asm(    "LDI    r31,    7"                      );\r
311                 asm(    "CPSE   r31,    r6"                     );\r
312                 asm(    "STS    xRegTestError, r0"      );\r
313                 asm(    "LDI    r31,    8"                      );\r
314                 asm(    "CPSE   r31,    r7"                     );\r
315                 asm(    "STS    xRegTestError, r0"      );\r
316                 asm(    "LDI    r31,    9"                      );\r
317                 asm(    "CPSE   r31,    r8"                     );\r
318                 asm(    "STS    xRegTestError, r0"      );\r
319                 asm(    "LDI    r31,    10"                     );\r
320                 asm(    "CPSE   r31,    r9"                     );\r
321                 asm(    "STS    xRegTestError, r0"      );\r
322                 asm(    "LDI    r31,    11"                     );\r
323                 asm(    "CPSE   r31,    r10"            );\r
324                 asm(    "STS    xRegTestError, r0"      );\r
325                 asm(    "LDI    r31,    12"                     );\r
326                 asm(    "CPSE   r31,    r11"            );\r
327                 asm(    "STS    xRegTestError, r0"      );\r
328                 asm(    "LDI    r31,    13"                     );\r
329                 asm(    "CPSE   r31,    r12"            );\r
330                 asm(    "STS    xRegTestError, r0"      );\r
331                 asm(    "LDI    r31,    14"                     );\r
332                 asm(    "CPSE   r31,    r13"            );\r
333                 asm(    "STS    xRegTestError, r0"      );\r
334                 asm(    "LDI    r31,    15"                     );\r
335                 asm(    "CPSE   r31,    r14"            );\r
336                 asm(    "STS    xRegTestError, r0"      );\r
337                 asm(    "LDI    r31,    16"                     );\r
338                 asm(    "CPSE   r31,    r15"            );\r
339                 asm(    "STS    xRegTestError, r0"      );\r
340                 asm(    "LDI    r31,    17"                     );\r
341                 asm(    "CPSE   r31,    r16"            );\r
342                 asm(    "STS    xRegTestError, r0"      );\r
343                 asm(    "LDI    r31,    18"                     );\r
344                 asm(    "CPSE   r31,    r17"            );\r
345                 asm(    "STS    xRegTestError, r0"      );\r
346                 asm(    "LDI    r31,    19"                     );\r
347                 asm(    "CPSE   r31,    r18"            );\r
348                 asm(    "STS    xRegTestError, r0"      );\r
349                 asm(    "LDI    r31,    20"                     );\r
350                 asm(    "CPSE   r31,    r19"            );\r
351                 asm(    "STS    xRegTestError, r0"      );\r
352                 asm(    "LDI    r31,    21"                     );\r
353                 asm(    "CPSE   r31,    r20"            );\r
354                 asm(    "STS    xRegTestError, r0"      );\r
355                 asm(    "LDI    r31,    22"                     );\r
356                 asm(    "CPSE   r31,    r21"            );\r
357                 asm(    "STS    xRegTestError, r0"      );\r
358                 asm(    "LDI    r31,    23"                     );\r
359                 asm(    "CPSE   r31,    r22"            );\r
360                 asm(    "STS    xRegTestError, r0"      );\r
361                 asm(    "LDI    r31,    24"                     );\r
362                 asm(    "CPSE   r31,    r23"            );\r
363                 asm(    "STS    xRegTestError, r0"      );\r
364                 asm(    "LDI    r31,    25"                     );\r
365                 asm(    "CPSE   r31,    r24"            );\r
366                 asm(    "STS    xRegTestError, r0"      );\r
367                 asm(    "LDI    r31,    26"                     );\r
368                 asm(    "CPSE   r31,    r25"            );\r
369                 asm(    "STS    xRegTestError, r0"      );\r
370                 asm(    "LDI    r31,    27"                     );\r
371                 asm(    "CPSE   r31,    r26"            );\r
372                 asm(    "STS    xRegTestError, r0"      );\r
373                 asm(    "LDI    r31,    28"                     );\r
374                 asm(    "CPSE   r31,    r27"            );\r
375                 asm(    "STS    xRegTestError, r0"      );\r
376                 asm(    "LDI    r31,    29"                     );\r
377                 asm(    "CPSE   r31,    r30"            );\r
378                 asm(    "STS    xRegTestError, r0"      );\r
379         }\r
380 }\r
381 \r