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