mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-10-17 18:27:47 -04:00
109 lines
3.3 KiB
C
109 lines
3.3 KiB
C
/*
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* FreeRTOS V202211.00
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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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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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*/
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#include "FreeRTOS.h"
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#include "task.h"
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#include "partest.h"
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/*
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* ATmega328PB Xplained Mini board has a user LED at PB5.
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* Everything below is specific for this setup only.
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* LED is lit when PB5 is set to a high.
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*/
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#define partestLED_PORTB_DATA_REG_BIT ( (uint8_t) 0x01 << 5 )
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#define partestLED_PORTB_DIR_REG_BIT ( (uint8_t) 0x01 << 5 )
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#define partestLED_ON partestLED_PORTB_DIR_REG_BIT
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static volatile uint8_t uCurrentLedOutputVal = ~partestLED_ON;
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/*-----------------------------------------------------------*/
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void vParTestInitialise( void )
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{
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/* Turn on user LED. This function is not thread safe. */
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DDRB |= partestLED_PORTB_DIR_REG_BIT;
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PORTB |= partestLED_PORTB_DIR_REG_BIT;
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uCurrentLedOutputVal = ~partestLED_ON;
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}
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/*-----------------------------------------------------------*/
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void vParTestSetLED( UBaseType_t uxLED, BaseType_t xValue )
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{
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/* There's only one LED on this board. */
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( void ) uxLED;
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/* Turn on user LED.
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The compound action is guaranteed to be not interrupted by other tasks. */
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vTaskSuspendAll();
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if ( xValue == 0 )
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{
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/* Turn off, only when input value is zero. */
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DDRB |= partestLED_PORTB_DIR_REG_BIT;
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PORTB &= ~partestLED_PORTB_DIR_REG_BIT;
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uCurrentLedOutputVal = ~partestLED_ON;
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}
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else
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{
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/* Turn on, when input value is none zero. */
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DDRB |= partestLED_PORTB_DIR_REG_BIT;
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PORTB |= partestLED_PORTB_DIR_REG_BIT;
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uCurrentLedOutputVal = partestLED_ON;
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}
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xTaskResumeAll();
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}
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/*-----------------------------------------------------------*/
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void vParTestToggleLED( UBaseType_t uxLED )
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{
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/* There's only one LED on this board. */
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( void ) uxLED;
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/* Toggle user LED.
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The compound action is guaranteed to be not interrupted by other tasks. */
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vTaskSuspendAll();
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if ( uCurrentLedOutputVal == partestLED_ON )
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{
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/* Turn off. */
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DDRB |= partestLED_PORTB_DIR_REG_BIT;
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PORTB &= ~partestLED_PORTB_DIR_REG_BIT;
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uCurrentLedOutputVal = ~partestLED_ON;
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}
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else
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{
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/* Turn on. */
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DDRB |= partestLED_PORTB_DIR_REG_BIT;
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PORTB |= partestLED_PORTB_DIR_REG_BIT;
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uCurrentLedOutputVal = partestLED_ON;
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}
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xTaskResumeAll();
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}
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