2 * FreeRTOS Kernel V10.0.0
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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. If you wish to use our Amazon
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14 * FreeRTOS name, please do so in a fair use way that does not cause confusion.
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16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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18 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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19 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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20 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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23 * http://www.FreeRTOS.org
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24 * http://aws.amazon.com/freertos
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26 * 1 tab == 4 spaces!
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32 + All LED's are turned off to start.
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36 #include "FreeRTOS.h"
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38 #include "partest.h"
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40 #define partstNUM_LEDs 4
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42 /*-----------------------------------------------------------
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43 * Simple parallel port IO routines.
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44 *-----------------------------------------------------------*/
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46 void vParTestInitialise( void )
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48 /* Enable signals as GPIO */
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50 | MCF_GPIO_PTCPAR_DTIN3_GPIO
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51 | MCF_GPIO_PTCPAR_DTIN2_GPIO
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52 | MCF_GPIO_PTCPAR_DTIN1_GPIO
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53 | MCF_GPIO_PTCPAR_DTIN0_GPIO;
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55 /* Enable signals as digital outputs */
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57 | MCF_GPIO_DDRTC_DDRTC3
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58 | MCF_GPIO_DDRTC_DDRTC2
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59 | MCF_GPIO_DDRTC_DDRTC1
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60 | MCF_GPIO_DDRTC_DDRTC0;
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62 MCF_GPIO_PORTTC = 0x00; // TURN LEDS OFF
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64 /*-----------------------------------------------------------*/
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66 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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68 unsigned portBASE_TYPE uxLEDMask;
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70 if( uxLED < partstNUM_LEDs )
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72 uxLEDMask = 1UL << uxLED;
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74 taskENTER_CRITICAL();
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78 MCF_GPIO_PORTTC |= uxLEDMask;
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82 MCF_GPIO_PORTTC &= ~uxLEDMask;
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85 taskEXIT_CRITICAL();
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88 /*-----------------------------------------------------------*/
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90 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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92 unsigned portBASE_TYPE uxLEDMask;
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94 if( uxLED < partstNUM_LEDs )
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96 uxLEDMask = 1UL << uxLED;
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98 taskENTER_CRITICAL();
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100 if( MCF_GPIO_PORTTC & uxLEDMask )
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102 MCF_GPIO_PORTTC &= ~uxLEDMask;
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106 MCF_GPIO_PORTTC |= uxLEDMask;
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109 taskEXIT_CRITICAL();
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