2 * FreeRTOS Kernel V10.0.1
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3 * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
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6 * this software and associated documentation files (the "Software"), to deal in
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7 * the Software without restriction, including without limitation the rights to
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8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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9 * the Software, and to permit persons to whom the Software is furnished to do so,
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10 * subject to the following conditions:
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12 * The above copyright notice and this permission notice shall be included in all
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13 * copies or substantial portions of the Software.
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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22 * http://www.FreeRTOS.org
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23 * http://aws.amazon.com/freertos
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25 * 1 tab == 4 spaces!
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28 /*-----------------------------------------------------------
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29 * Simple parallel port IO routines.
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30 *-----------------------------------------------------------*/
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32 /* FreeRTOS includes. */
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33 #include "FreeRTOS.h"
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36 /* Demo includes. */
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37 #include "partest.h"
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39 #define partstNUM_LEDs 4
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41 #define LED0_MASK ( ( unsigned short ) 0x08 )
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42 #define LED1_MASK ( ( unsigned short ) 0x10 )
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43 #define LED2_MASK ( ( unsigned short ) 0x40 )
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44 #define LED3_MASK ( ( unsigned short ) 0x80 )
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46 static const unsigned short xLEDs[ partstNUM_LEDs ] = { LED0_MASK, LED1_MASK, LED2_MASK, LED3_MASK };
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50 void vParTestInitialise( void )
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52 /* Set GPIO to output. */
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53 PM3 &= ~( LED0_MASK | LED1_MASK | LED2_MASK | LED3_MASK );
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55 /*-----------------------------------------------------------*/
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57 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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59 unsigned portBASE_TYPE uxLEDMask;
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61 if( uxLED < partstNUM_LEDs )
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63 uxLEDMask = xLEDs[ uxLED ];
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65 taskENTER_CRITICAL();
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76 taskEXIT_CRITICAL();
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79 /*-----------------------------------------------------------*/
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81 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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83 unsigned portBASE_TYPE uxLEDMask;
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85 if( uxLED < partstNUM_LEDs )
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87 uxLEDMask = xLEDs[ uxLED ];
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89 taskENTER_CRITICAL();
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91 if( P3 & uxLEDMask )
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100 taskEXIT_CRITICAL();
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