mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-04-23 23:11:58 -04:00
134 lines
3.7 KiB
C
134 lines
3.7 KiB
C
/*
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* FreeRTOS Kernel V10.1.0
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* Copyright (C) 2018 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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/* FreeRTOS.org includes. */
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#include "FreeRTOS.h"
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/* Demo application includes. */
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#include "partest.h"
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#define partstFIRST_IO ( ( unsigned long ) 0x04 )
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#define partstFIO2_BITS ( ( unsigned long ) 0x0000007C )
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#define partstFIO1_BITS ( ( unsigned long ) 0xB0000000 )
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#define partstNUM_LEDS ( 5 )
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#define partstALL_OUTPUTS_OFF ( ( unsigned long ) 0xff )
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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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/* LEDs on ports 1 and 2 to output. */
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GPIO2->FIODIR = partstFIO2_BITS;
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GPIO1->FIODIR = partstFIO1_BITS;
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/* Start will all LEDs off. */
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GPIO2->FIOCLR = partstFIO2_BITS;
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GPIO1->FIOCLR = partstFIO1_BITS;
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}
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/*-----------------------------------------------------------*/
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void vParTestSetLED( unsigned long ulLEDIn, signed long xValue )
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{
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unsigned long ulLED = partstFIRST_IO;
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/* Used to set and clear LEDs on FIO2. */
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if( ulLEDIn < partstNUM_LEDS )
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{
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/* Rotate to the wanted bit of port */
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ulLED <<= ( unsigned long ) ulLEDIn;
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/* Set of clear the output. */
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if( xValue )
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{
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GPIO2->FIOCLR = ulLED;
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}
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else
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{
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GPIO2->FIOSET = ulLED;
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}
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}
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}
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/*-----------------------------------------------------------*/
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void vParTestToggleLED( unsigned long ulLEDIn )
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{
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unsigned long ulLED = partstFIRST_IO, ulCurrentState;
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/* Used to toggle LEDs on FIO2. */
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if( ulLEDIn < 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 ) ulLEDIn;
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/* If this bit is already set, clear it, and vice versa. */
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ulCurrentState = GPIO2->FIOPIN;
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if( ulCurrentState & ulLED )
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{
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GPIO2->FIOCLR = ulLED;
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}
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else
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{
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GPIO2->FIOSET = ulLED;
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}
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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 LEDs on FIO1. */
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if( ( GPIO1->FIOPIN & partstFIO1_BITS ) != 0 )
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{
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return pdFALSE;
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}
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else
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{
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return pdTRUE;
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}
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}
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/*-----------------------------------------------------------*/
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void vParTestSetLEDState( long lState )
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{
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/* Used to set and clear the LEDs on FIO1. */
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if( lState != pdFALSE )
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{
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GPIO1->FIOSET = partstFIO1_BITS;
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}
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else
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{
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GPIO1->FIOCLR = partstFIO1_BITS;
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}
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}
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/*-----------------------------------------------------------*/
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