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1 /*\r
2     FreeRTOS V7.5.1 - 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
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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
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25 \r
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30 \r
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35 \r
36     1 tab == 4 spaces!\r
37 \r
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60     mission critical applications that require provable dependability.\r
61 \r
62     1 tab == 4 spaces!\r
63 */\r
64 \r
65 /*-----------------------------------------------------------\r
66  * Simple parallel port IO routines.\r
67  *-----------------------------------------------------------*/\r
68 \r
69 /* FreeRTOS.org includes. */\r
70 #include "FreeRTOS.h"\r
71 #include "task.h"\r
72 #include "partest.h"\r
73 \r
74 /* Library includes. */\r
75 #include "stm32f10x_lib.h"\r
76 \r
77 #define partstMAX_OUTPUT_LED    ( 4 )\r
78 #define partstFIRST_LED                 GPIO_Pin_6\r
79 \r
80 static unsigned portSHORT usOutputValue = 0;\r
81 \r
82 /*-----------------------------------------------------------*/\r
83 \r
84 void vParTestInitialise( void )\r
85 {\r
86 GPIO_InitTypeDef GPIO_InitStructure;\r
87 \r
88         /* Configure PC.06, PC.07, PC.08 and PC.09 as output push-pull */\r
89         GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9;\r
90         GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;\r
91         GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;\r
92         GPIO_Init( GPIOC, &GPIO_InitStructure );\r
93 }\r
94 /*-----------------------------------------------------------*/\r
95 \r
96 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )\r
97 {\r
98 unsigned portSHORT usBit;\r
99 \r
100         vTaskSuspendAll();\r
101         {\r
102                 if( uxLED < partstMAX_OUTPUT_LED )\r
103                 {\r
104                         usBit = partstFIRST_LED << uxLED;\r
105 \r
106                         if( xValue == pdFALSE )\r
107                         {\r
108                                 usBit ^= ( unsigned portSHORT ) 0xffff;\r
109                                 usOutputValue &= usBit;\r
110                         }\r
111                         else\r
112                         {\r
113                                 usOutputValue |= usBit;\r
114                         }\r
115 \r
116                         GPIO_Write( GPIOC, usOutputValue );\r
117                 }       \r
118         }\r
119         xTaskResumeAll();\r
120 }\r
121 /*-----------------------------------------------------------*/\r
122 \r
123 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )\r
124 {\r
125 unsigned portSHORT usBit;\r
126 \r
127         vTaskSuspendAll();\r
128         {\r
129                 if( uxLED < partstMAX_OUTPUT_LED )\r
130                 {\r
131                         usBit = partstFIRST_LED << uxLED;\r
132 \r
133                         if( usOutputValue & usBit )\r
134                         {\r
135                                 usOutputValue &= ~usBit;\r
136                         }\r
137                         else\r
138                         {\r
139                                 usOutputValue |= usBit;\r
140                         }\r
141 \r
142                         GPIO_Write( GPIOC, usOutputValue );\r
143                 }\r
144         }\r
145         xTaskResumeAll();\r
146 }\r
147 /*-----------------------------------------------------------*/\r
148 \r