mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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101 lines
2.9 KiB
C
101 lines
2.9 KiB
C
/*
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* FreeRTOS V202012.00
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* Copyright (C) 2020 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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Changes from V2.5.2
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+ All LED's are turned off to start.
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*/
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#include "FreeRTOS.h"
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#include "partest.h"
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#define partstFIRST_IO ( ( unsigned long ) 0x400 )
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#define partstNUM_LEDS ( 4 )
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#define partstALL_OUTPUTS_OFF ( ( unsigned long ) 0xffffffff )
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/*-----------------------------------------------------------
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* Simple parallel port IO routines.
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*-----------------------------------------------------------*/
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void vParTestInitialise( void )
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{
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/* This is performed from main() as the io bits are shared with other setup
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functions. */
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/* Turn all outputs off. */
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GPIO_IOSET = partstALL_OUTPUTS_OFF;
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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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unsigned long ulLED = partstFIRST_IO;
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if( uxLED < partstNUM_LEDS )
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{
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/* Rotate to the wanted bit of port 0. Only P10 to P13 have an LED
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attached. */
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ulLED <<= ( unsigned long ) uxLED;
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/* Set of clear the output. */
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if( xValue )
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{
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GPIO_IOCLR = ulLED;
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}
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else
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{
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GPIO_IOSET = ulLED;
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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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unsigned long ulLED = partstFIRST_IO, ulCurrentState;
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if( uxLED < partstNUM_LEDS )
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{
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/* Rotate to the wanted bit of port 0. Only P10 to P13 have an LED
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attached. */
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ulLED <<= ( unsigned long ) uxLED;
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/* If this bit is already set, clear it, and vice versa. */
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ulCurrentState = GPIO0_IOPIN;
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if( ulCurrentState & ulLED )
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{
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GPIO_IOCLR = ulLED;
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}
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else
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{
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GPIO_IOSET = ulLED;
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}
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}
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}
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