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Update version numbers in preparation for V8.2.0 release candidate 1.
[freertos] / FreeRTOS / Demo / Flshlite / ParTest / ParTest.c
1 /*\r
2     FreeRTOS V8.2.0rc1 - Copyright (C) 2014 Real Time Engineers Ltd.\r
3     All rights reserved\r
4 \r
5     VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
6 \r
7     This file is part of the FreeRTOS distribution.\r
8 \r
9     FreeRTOS is free software; you can redistribute it and/or modify it under\r
10     the terms of the GNU General Public License (version 2) as published by the\r
11     Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.\r
12 \r
13     >>!   NOTE: The modification to the GPL is included to allow you to     !<<\r
14     >>!   distribute a combined work that includes FreeRTOS without being   !<<\r
15     >>!   obliged to provide the source code for proprietary components     !<<\r
16     >>!   outside of the FreeRTOS kernel.                                   !<<\r
17 \r
18     FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
19     WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
20     FOR A PARTICULAR PURPOSE.  Full license text is available on the following\r
21     link: http://www.freertos.org/a00114.html\r
22 \r
23     1 tab == 4 spaces!\r
24 \r
25     ***************************************************************************\r
26      *                                                                       *\r
27      *    Having a problem?  Start by reading the FAQ "My application does   *\r
28      *    not run, what could be wrong?".  Have you defined configASSERT()?  *\r
29      *                                                                       *\r
30      *    http://www.FreeRTOS.org/FAQHelp.html                               *\r
31      *                                                                       *\r
32     ***************************************************************************\r
33 \r
34     ***************************************************************************\r
35      *                                                                       *\r
36      *    FreeRTOS provides completely free yet professionally developed,    *\r
37      *    robust, strictly quality controlled, supported, and cross          *\r
38      *    platform software that is more than just the market leader, it     *\r
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40      *                                                                       *\r
41      *    Help yourself get started quickly while simultaneously helping     *\r
42      *    to support the FreeRTOS project by purchasing a FreeRTOS           *\r
43      *    tutorial book, reference manual, or both:                          *\r
44      *    http://www.FreeRTOS.org/Documentation                              *\r
45      *                                                                       *\r
46     ***************************************************************************\r
47 \r
48     ***************************************************************************\r
49      *                                                                       *\r
50      *   Investing in training allows your team to be as productive as       *\r
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53      *   earlier than would otherwise be possible.  Richard Barry is both    *\r
54      *   the architect and key author of FreeRTOS, and so also the world's   *\r
55      *   leading authority on what is the world's most popular real time     *\r
56      *   kernel for deeply embedded MCU designs.  Obtaining your training    *\r
57      *   from Richard ensures your team will gain directly from his in-depth *\r
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60      *   by Richard Barry:  http://www.FreeRTOS.org/contact\r
61      *                                                                       *\r
62     ***************************************************************************\r
63 \r
64     ***************************************************************************\r
65      *                                                                       *\r
66      *    You are receiving this top quality software for free.  Please play *\r
67      *    fair and reciprocate by reporting any suspected issues and         *\r
68      *    participating in the community forum:                              *\r
69      *    http://www.FreeRTOS.org/support                                    *\r
70      *                                                                       *\r
71      *    Thank you!                                                         *\r
72      *                                                                       *\r
73     ***************************************************************************\r
74 \r
75     http://www.FreeRTOS.org - Documentation, books, training, latest versions,\r
76     license and Real Time Engineers Ltd. contact details.\r
77 \r
78     http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
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81 \r
82     http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.\r
83     Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.\r
84 \r
85     http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High\r
86     Integrity Systems ltd. to sell under the OpenRTOS brand.  Low cost OpenRTOS\r
87     licenses offer ticketed support, indemnification and commercial middleware.\r
88 \r
89     http://www.SafeRTOS.com - High Integrity Systems also provide a safety\r
90     engineered and independently SIL3 certified version for use in safety and\r
91     mission critical applications that require provable dependability.\r
92 \r
93     1 tab == 4 spaces!\r
94 */\r
95 \r
96 /*\r
97 Changes from V1.01:\r
98 \r
99         + Types used updated.\r
100         + Add vParTestToggleLED();\r
101 \r
102 Changes from V2.0.0\r
103 \r
104         + Use scheduler suspends in place of critical sections.\r
105 */\r
106 \r
107 \r
108 #include "FreeRTOS.h"\r
109 #include "task.h"\r
110 #include "partest.h"\r
111 \r
112 #define partstALL_OUTPUTS_OFF                   ( ( unsigned short) 0x00 )\r
113 #define partstMAX_OUTPUT_LED                    ( ( unsigned char ) 7 )\r
114 #define partstPORT_F_ADDR                               ( ( unsigned short ) 0x605 )\r
115 #define partstPORT_DIRECTION_REG                ( ( unsigned short ) 0x606 )\r
116 #define partstPORT_F_DIR_BIT                    ( ( unsigned short ) 0x20 )\r
117 \r
118 /*lint -e956 File scope parameters okay here. */\r
119 static volatile unsigned char ucCurrentOutputValue = partstALL_OUTPUTS_OFF;\r
120 /*lint +e956 */\r
121 \r
122 /*-----------------------------------------------------------\r
123  * Simple parallel port IO routines.\r
124  *-----------------------------------------------------------*/\r
125 \r
126 void vParTestInitialise( void )\r
127 {\r
128 unsigned short usInput;\r
129 \r
130         ucCurrentOutputValue = partstALL_OUTPUTS_OFF;\r
131 \r
132         /* Set the direction to output for port F. */\r
133         usInput = portINPUT_BYTE( partstPORT_DIRECTION_REG );\r
134         usInput |= partstPORT_F_DIR_BIT;\r
135         portOUTPUT_BYTE( partstPORT_DIRECTION_REG, usInput );\r
136 \r
137         /* Start with all outputs off. */\r
138         portOUTPUT_BYTE( partstPORT_F_ADDR, partstALL_OUTPUTS_OFF );\r
139 }\r
140 /*-----------------------------------------------------------*/\r
141 \r
142 void vParTestSetLED( unsigned portBASE_TYPE uxLED, portBASE_TYPE xValue )\r
143 {\r
144 unsigned char ucBit = ( unsigned char ) 1;\r
145 \r
146         if( uxLED <= partstMAX_OUTPUT_LED )\r
147         {\r
148                 ucBit <<= uxLED;\r
149         }       \r
150 \r
151         vTaskSuspendAll();\r
152         {\r
153                 if( xValue == pdTRUE )\r
154                 {\r
155                         ucBit ^= ( unsigned char ) 0xff;\r
156                         ucCurrentOutputValue &= ucBit;\r
157                 }\r
158                 else\r
159                 {\r
160                         ucCurrentOutputValue |= ucBit;\r
161                 }\r
162 \r
163                 portOUTPUT_BYTE( partstPORT_F_ADDR, ( unsigned ) ucCurrentOutputValue );\r
164         }\r
165         xTaskResumeAll();\r
166 }\r
167 /*-----------------------------------------------------------*/\r
168 \r
169 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )\r
170 {\r
171 unsigned char ucBit;\r
172 \r
173         if( uxLED <= partstMAX_OUTPUT_LED )\r
174         {\r
175                 ucBit = ( ( unsigned char ) 1 ) << uxLED;\r
176 \r
177                 vTaskSuspendAll();\r
178                 {\r
179                         if( ucCurrentOutputValue & ucBit )\r
180                         {\r
181                                 ucCurrentOutputValue &= ~ucBit;\r
182                         }\r
183                         else\r
184                         {\r
185                                 ucCurrentOutputValue |= ucBit;\r
186                         }\r
187 \r
188                         portOUTPUT_BYTE( partstPORT_F_ADDR, ( unsigned ) ucCurrentOutputValue );\r
189                 }\r
190                 xTaskResumeAll();                       \r
191         }\r
192 }\r
193 \r