2 * FreeRTOS Kernel V10.3.0
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3 * Copyright (C) 2020 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 partstTOTAL_NUM_LEDs 16
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40 #define partstNUM_LEDs_PER_DISPLAY 8
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42 volatile unsigned char *pucDisplayOutput[ 2 ] = { ( unsigned char * ) 3, ( unsigned char * ) 5 };
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44 void vParTestInitialise( void )
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46 /* In this case all the initialisation is performed in prvSetupHardware()
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49 /*-----------------------------------------------------------*/
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51 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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53 unsigned portBASE_TYPE uxLEDMask = 0x01;
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55 if( uxLED < partstNUM_LEDs_PER_DISPLAY )
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57 uxLEDMask <<= uxLED;
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59 taskENTER_CRITICAL();
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63 *pucDisplayOutput[ 0 ] &= ~uxLEDMask;
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67 *pucDisplayOutput[ 0 ] |= uxLEDMask;
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70 taskEXIT_CRITICAL();
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72 else if( uxLED < partstTOTAL_NUM_LEDs )
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74 uxLED -= partstNUM_LEDs_PER_DISPLAY;
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76 uxLEDMask <<= uxLED;
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78 taskENTER_CRITICAL();
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82 *pucDisplayOutput[ 1 ] &= ~uxLEDMask;
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86 *pucDisplayOutput[ 1 ] |= uxLEDMask;
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89 taskEXIT_CRITICAL();
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92 /*-----------------------------------------------------------*/
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94 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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96 unsigned portBASE_TYPE uxLEDMask = 0x01;
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98 if( uxLED < partstNUM_LEDs_PER_DISPLAY )
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100 uxLEDMask <<= uxLED;
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102 taskENTER_CRITICAL();
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104 if( *pucDisplayOutput[ 0 ] & uxLEDMask )
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106 *pucDisplayOutput[ 0 ] &= ~uxLEDMask;
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110 *pucDisplayOutput[ 0 ] |= uxLEDMask;
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113 taskEXIT_CRITICAL();
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115 else if( uxLED < partstTOTAL_NUM_LEDs )
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117 uxLED -= partstNUM_LEDs_PER_DISPLAY;
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119 uxLEDMask <<= uxLED;
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121 taskENTER_CRITICAL();
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123 if( *pucDisplayOutput[ 1 ] & uxLEDMask )
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125 *pucDisplayOutput[ 1 ] &= ~uxLEDMask;
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129 *pucDisplayOutput[ 1 ] |= uxLEDMask;
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132 taskEXIT_CRITICAL();
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