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114 lines
3.4 KiB
C
114 lines
3.4 KiB
C
/*
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* FreeRTOS Kernel V10.2.1
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* Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* http://www.FreeRTOS.org
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* http://aws.amazon.com/freertos
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*
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* 1 tab == 4 spaces!
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*/
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/*-----------------------------------------------------------
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* Simple IO routines to control the LEDs.
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*-----------------------------------------------------------*/
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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#include "task.h"
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/* Demo includes. */
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#include "partest.h"
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#define partestNUM_LEDS ( 6 )
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#define partestALL_LEDS ( usLEDMasks[ 0 ] | usLEDMasks[ 1 ] | usLEDMasks[ 2 ] | usLEDMasks[ 3 ] | usLEDMasks[ 4 ] | usLEDMasks[ 5 ] )
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static const unsigned short usLEDMasks[ partestNUM_LEDS ] = { ( 1 << 9 ), ( 1 << 11 ), ( 1 << 12 ), ( 1 << 13 ), ( 1 << 14 ), ( 1 << 15 ) };
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/*-----------------------------------------------------------*/
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void vParTestInitialise( void )
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{
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/* Select port functions for PE9 to PE15. */
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PFC.PECRL3.WORD &= ( unsigned short ) ~partestALL_LEDS;
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/* Turn all LEDs off. */
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PE.DR.WORD &= ( unsigned short ) ~partestALL_LEDS;
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/* Set all LEDs to output. */
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PFC.PEIORL.WORD |= ( unsigned short ) partestALL_LEDS;
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}
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/*-----------------------------------------------------------*/
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void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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{
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if( uxLED < partestNUM_LEDS )
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{
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if( xValue )
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{
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/* Turn the LED on. */
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taskENTER_CRITICAL();
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{
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PE.DR.WORD |= usLEDMasks[ uxLED ];
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}
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taskEXIT_CRITICAL();
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}
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else
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{
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/* Turn the LED off. */
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taskENTER_CRITICAL();
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{
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PE.DR.WORD &= ( unsigned short ) ~usLEDMasks[ uxLED ];
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}
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taskEXIT_CRITICAL();
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}
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}
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}
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/*-----------------------------------------------------------*/
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void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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{
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if( uxLED < partestNUM_LEDS )
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{
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taskENTER_CRITICAL();
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{
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if( ( PE.DR.WORD & usLEDMasks[ uxLED ] ) != 0x00 )
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{
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PE.DR.WORD &= ( unsigned short ) ~usLEDMasks[ uxLED ];
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}
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else
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{
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PE.DR.WORD |= usLEDMasks[ uxLED ];
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}
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}
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taskEXIT_CRITICAL();
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}
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}
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/*-----------------------------------------------------------*/
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long lParTestGetLEDState( void )
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{
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/* Returns the state of the fifth LED. */
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return !( PE.DR.WORD & usLEDMasks[ 4 ] );
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}
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/*-----------------------------------------------------------*/
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