2 * FreeRTOS Kernel V10.1.1
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3 * Copyright (C) 2018 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 /* Scheduler includes. */
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29 #include "FreeRTOS.h"
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31 /* Demo app includes. */
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32 #include "partest.h"
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34 #define ptOUTPUT 0x07
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35 #define ptALL_OFF 0x07
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36 #define ptNUM_LEDS 3
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38 /*-----------------------------------------------------------
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39 * Simple parallel port IO routines.
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40 *-----------------------------------------------------------*/
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42 void vParTestInitialise( void )
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44 /* Bottom 3 LEDs output. */
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45 TRISD = TRISD & ~ptOUTPUT;
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46 PORTD = PORTD & ~ptALL_OFF;
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48 /*-----------------------------------------------------------*/
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50 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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52 unsigned portBASE_TYPE uxLEDBit;
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54 if( uxLED < ptNUM_LEDS )
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56 /* Which port A bit is being modified? */
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57 uxLEDBit = 1 << uxLED;
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61 /* Turn the LED on. Use of the PORTASET register removes the need
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62 to use a critical section. */
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63 PORTDSET = uxLEDBit;
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67 /* Turn the LED off. Use of the PORTACLR register removes the need
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68 to use a critical section. */
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69 PORTDCLR = uxLEDBit;
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73 /*-----------------------------------------------------------*/
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75 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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77 unsigned portBASE_TYPE uxLEDBit;
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79 if( uxLED < ptNUM_LEDS )
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81 uxLEDBit = 1 << uxLED;
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83 /* Use of the PORTAINV register removes the need to use a critical section. */
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84 PORTDINV = uxLEDBit;
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