]> git.sur5r.net Git - freertos/blob - FreeRTOS/Demo/SuperH_SH7216_Renesas/RTOSDemo/ParTest/ParTest.c
Add additional critical section to the default tickless implementations.
[freertos] / FreeRTOS / Demo / SuperH_SH7216_Renesas / RTOSDemo / ParTest / ParTest.c
1 /*\r
2     FreeRTOS V7.5.2 - Copyright (C) 2013 Real Time Engineers Ltd.\r
3 \r
4     VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
5 \r
6     ***************************************************************************\r
7      *                                                                       *\r
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14      *    manual, or both from: http://www.FreeRTOS.org/Documentation        *\r
15      *                                                                       *\r
16      *    Thank you!                                                         *\r
17      *                                                                       *\r
18     ***************************************************************************\r
19 \r
20     This file is part of the FreeRTOS distribution.\r
21 \r
22     FreeRTOS is free software; you can redistribute it and/or modify it under\r
23     the terms of the GNU General Public License (version 2) as published by the\r
24     Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.\r
25 \r
26     >>! NOTE: The modification to the GPL is included to allow you to distribute\r
27     >>! a combined work that includes FreeRTOS without being obliged to provide\r
28     >>! the source code for proprietary components outside of the FreeRTOS\r
29     >>! kernel.\r
30 \r
31     FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
32     WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
33     FOR A PARTICULAR PURPOSE.  Full license text is available from the following\r
34     link: http://www.freertos.org/a00114.html\r
35 \r
36     1 tab == 4 spaces!\r
37 \r
38     ***************************************************************************\r
39      *                                                                       *\r
40      *    Having a problem?  Start by reading the FAQ "My application does   *\r
41      *    not run, what could be wrong?"                                     *\r
42      *                                                                       *\r
43      *    http://www.FreeRTOS.org/FAQHelp.html                               *\r
44      *                                                                       *\r
45     ***************************************************************************\r
46 \r
47     http://www.FreeRTOS.org - Documentation, books, training, latest versions,\r
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57 \r
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61 \r
62     1 tab == 4 spaces!\r
63 */\r
64 \r
65 /*-----------------------------------------------------------\r
66  * Simple IO routines to control the LEDs.\r
67  *-----------------------------------------------------------*/\r
68 \r
69 /* Scheduler includes. */\r
70 #include "FreeRTOS.h"\r
71 #include "task.h"\r
72 \r
73 /* Demo includes. */\r
74 #include "partest.h"\r
75 \r
76 #define partestNUM_LEDS ( 6 )\r
77 #define partestALL_LEDS ( usLEDMasks[ 0 ] | usLEDMasks[ 1 ] | usLEDMasks[ 2 ] | usLEDMasks[ 3 ] | usLEDMasks[ 4 ] | usLEDMasks[ 5 ] )\r
78 \r
79 static const unsigned short usLEDMasks[ partestNUM_LEDS ] = { ( 1 << 9 ), ( 1 << 11 ), ( 1 << 12 ), ( 1 << 13 ), ( 1 << 14 ), ( 1 << 15 ) };\r
80 /*-----------------------------------------------------------*/\r
81 \r
82 void vParTestInitialise( void )\r
83 {\r
84         /* Select port functions for PE9 to PE15. */\r
85         PFC.PECRL3.WORD &= ( unsigned short ) ~partestALL_LEDS;\r
86 \r
87         /* Turn all LEDs off. */\r
88         PE.DR.WORD &= ( unsigned short ) ~partestALL_LEDS;\r
89         \r
90         /* Set all LEDs to output. */\r
91         PFC.PEIORL.WORD |= ( unsigned short ) partestALL_LEDS;\r
92 }\r
93 /*-----------------------------------------------------------*/\r
94 \r
95 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )\r
96 {\r
97         if( uxLED < partestNUM_LEDS )\r
98         {\r
99                 if( xValue )\r
100                 {\r
101                         /* Turn the LED on. */\r
102                         taskENTER_CRITICAL();\r
103                         {\r
104                                 PE.DR.WORD |= usLEDMasks[ uxLED ];\r
105                         }\r
106                         taskEXIT_CRITICAL();\r
107                 }\r
108                 else\r
109                 {\r
110                         /* Turn the LED off. */\r
111                         taskENTER_CRITICAL();\r
112                         {\r
113                                 PE.DR.WORD &= ( unsigned short ) ~usLEDMasks[ uxLED ];\r
114                         }\r
115                         taskEXIT_CRITICAL();\r
116                 }\r
117         }\r
118 }\r
119 /*-----------------------------------------------------------*/\r
120 \r
121 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )\r
122 {\r
123         if( uxLED < partestNUM_LEDS )\r
124         {\r
125                 taskENTER_CRITICAL();\r
126                 {\r
127                         if( ( PE.DR.WORD & usLEDMasks[ uxLED ] ) != 0x00 )\r
128                         {\r
129                                 PE.DR.WORD &= ( unsigned short ) ~usLEDMasks[ uxLED ];\r
130                         }\r
131                         else\r
132                         {\r
133                                 PE.DR.WORD |= usLEDMasks[ uxLED ];\r
134                         }\r
135                 }\r
136                 taskEXIT_CRITICAL();\r
137         }\r
138 }\r
139 /*-----------------------------------------------------------*/\r
140                                                         \r
141 long lParTestGetLEDState( void )\r
142 {\r
143         /* Returns the state of the fifth LED. */\r
144         return !( PE.DR.WORD & usLEDMasks[ 4 ] );\r
145 }\r
146 /*-----------------------------------------------------------*/\r
147 \r
148 \r
149 \r
150 \r
151