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
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
|
/*
FreeRTOS V7.6.0 - Copyright (C) 2013 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!
*/
/******************************************************************************
* This project provides two demo applications. A simple blinky style project,
* and a more comprehensive test and demo application. The
* mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting (defined in this file) is used to
* select between the two. The simply blinky demo is implemented and described
* in main_blinky.c. The more comprehensive test and demo application is
* implemented and described in main_full.c.
*
* This file implements the code that is not demo specific, including the
* hardware setup and FreeRTOS hook functions.
*
* ENSURE TO READ THE DOCUMENTATION PAGE FOR THIS PORT AND DEMO APPLICATION ON
* THE http://www.FreeRTOS.org WEB SITE FOR FULL INFORMATION ON USING THIS DEMO
* APPLICATION, AND ITS ASSOCIATE FreeRTOS ARCHITECTURE PORT!
*
*/
/* Scheduler include files. */
#include "FreeRTOS.h"
#include "task.h"
#include "semphr.h"
/* Standard demo includes. */
#include "partest.h"
#include "TimerDemo.h"
#include "QueueOverwrite.h"
/* Renesas includes. */
#include "r_typedefs.h"
#include "sio_char.h"
/* Set mainCREATE_SIMPLE_BLINKY_DEMO_ONLY to one to run the simple blinky demo,
or 0 to run the more comprehensive test and demo application. */
#define mainCREATE_SIMPLE_BLINKY_DEMO_ONLY 0
/*-----------------------------------------------------------*/
/*
* Configure the hardware as necessary to run this demo.
*/
static void prvSetupHardware( void );
/*
* main_blinky() is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 1.
* main_full() is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 0.
*/
#if mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1
extern void main_blinky( void );
#else
extern void main_full( void );
#endif /* #if mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1 */
/* Prototypes for the standard FreeRTOS callback/hook functions implemented
within this file. */
void vApplicationMallocFailedHook( void );
void vApplicationIdleHook( void );
void vApplicationStackOverflowHook( xTaskHandle pxTask, signed char *pcTaskName );
void vApplicationTickHook( void );
/*
* Creates and verifies different files on the volume, demonstrating the use of
* various different API functions.
*/
extern void vCreateAndVerifySampleFiles( void );
/*-----------------------------------------------------------*/
int main( void )
{
/* Configure the hardware ready to run the demo. */
prvSetupHardware();
/* The mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting is described at the top
of this file. */
#if mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1
{
main_blinky();
}
#else
{
main_full();
}
#endif
return 0;
}
/*-----------------------------------------------------------*/
static void prvSetupHardware( void )
{
/* Initialise the pins used by the LEDs (the obscure [now for historical
reasons] name ParTest stands for Parallel Port test). */
vParTestInitialise();
/* Call the Renesas driver that initialises the serial port. P1=66.67MHz
CKS=0 SCBRR=17 Bit rate error=0.46% => Baud rate=115200bps. */
IoInitScif2();
}
/*-----------------------------------------------------------*/
void vApplicationMallocFailedHook( void )
{
/* Called if a call to pvPortMalloc() fails because there is insufficient
free memory available in the FreeRTOS heap. pvPortMalloc() is called
internally by FreeRTOS API functions that create tasks, queues, software
timers, and semaphores. The size of the FreeRTOS heap is set by the
configTOTAL_HEAP_SIZE configuration constant in FreeRTOSConfig.h. */
taskDISABLE_INTERRUPTS();
for( ;; );
}
/*-----------------------------------------------------------*/
void vApplicationStackOverflowHook( xTaskHandle pxTask, signed char *pcTaskName )
{
( void ) pcTaskName;
( void ) pxTask;
/* Run time stack overflow checking is performed if
configCHECK_FOR_STACK_OVERFLOW is defined to 1 or 2. This hook
function is called if a stack overflow is detected. */
taskDISABLE_INTERRUPTS();
for( ;; );
}
/*-----------------------------------------------------------*/
void vApplicationIdleHook( void )
{
volatile size_t xFreeHeapSpace;
/* This is just a trivial example of an idle hook. It is called on each
cycle of the idle task. It must *NOT* attempt to block. In this case the
idle task just queries the amount of FreeRTOS heap that remains. See the
memory management section on the http://www.FreeRTOS.org web site for memory
management options. If there is a lot of heap memory free then the
configTOTAL_HEAP_SIZE value in FreeRTOSConfig.h can be reduced to free up
RAM. */
xFreeHeapSpace = xPortGetFreeHeapSize();
/* Remove compiler warning about xFreeHeapSpace being set but never used. */
( void ) xFreeHeapSpace;
#if mainCREATE_SIMPLE_BLINKY_DEMO_ONLY != 1
{
/* If the file system is only going to be accessed from one task then
F_FS_THREAD_AWARE can be set to 0 and the set of example files is
created before the RTOS scheduler is started. If the file system is
going to be access from more than one task then F_FS_THREAD_AWARE must
be set to 1 and the set of sample files are created from the idle task
hook function. */
#if F_FS_THREAD_AWARE == 1
{
static portBASE_TYPE xCreatedSampleFiles = pdFALSE;
/* Initialise the drive and file system, then create a few example
files. The output from this function just goes to the stdout window,
allowing the output to be viewed when the UDP command console is not
connected. */
if( xCreatedSampleFiles == pdFALSE )
{
vCreateAndVerifySampleFiles();
xCreatedSampleFiles = pdTRUE;
}
}
#endif
}
#endif
}
/*-----------------------------------------------------------*/
void vAssertCalled( const char * pcFile, unsigned long ulLine )
{
volatile unsigned long ul = 0;
( void ) pcFile;
( void ) ulLine;
taskENTER_CRITICAL();
{
/* Set ul to a non-zero value using the debugger to step out of this
function. */
while( ul == 0 )
{
portNOP();
}
}
taskEXIT_CRITICAL();
}
/*-----------------------------------------------------------*/
void vApplicationTickHook( void )
{
#if mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 0
{
/* The full demo includes a software timer demo/test that requires
prodding periodically from the tick interrupt. */
vTimerPeriodicISRTests();
/* Call the periodic queue overwrite from ISR demo. */
vQueueOverwritePeriodicISRDemo();
}
#endif
}
|
