mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-10-29 00:36:16 -04:00
107 lines
2.9 KiB
C
107 lines
2.9 KiB
C
/*
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* FreeRTOS Kernel V10.3.0
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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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* Simple parallel port IO routines.
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*-----------------------------------------------------------*/
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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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#include "pdc.h"
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#define partstPINS (GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 Z | GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7)
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#define partstALL_OUTPUTS_OFF ( ( unsigned char ) 0x00 )
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#define partstMAX_OUTPUT_LED ( ( unsigned char ) 8 )
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static volatile unsigned char ucOutputValue = partstALL_OUTPUTS_OFF;
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void vParTestInitialise( void )
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{
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PDCInit();
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PDCWrite( PDC_LED, ucOutputValue );
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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 char ucBit = ( unsigned char ) 1;
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vTaskSuspendAll();
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{
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if( uxLED < partstMAX_OUTPUT_LED )
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{
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ucBit = ( ( unsigned char ) 1 ) << uxLED;
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if( xValue == pdFALSE )
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{
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ucBit ^= ( unsigned char ) 0xff;
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ucOutputValue &= ucBit;
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}
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else
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{
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ucOutputValue |= ucBit;
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}
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PDCWrite( PDC_LED, ucOutputValue );
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}
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}
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xTaskResumeAll();
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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 char ucBit;
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vTaskSuspendAll();
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{
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if( uxLED < partstMAX_OUTPUT_LED )
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{
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ucBit = ( ( unsigned char ) 1 ) << uxLED;
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if( ucOutputValue & ucBit )
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{
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ucOutputValue &= ~ucBit;
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}
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else
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{
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ucOutputValue |= ucBit;
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}
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PDCWrite( PDC_LED, ucOutputValue );
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}
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}
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xTaskResumeAll();
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}
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