/* * FreeRTOS Kernel V10.3.0 * Copyright (C) 2020 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 parallel port IO routines. *-----------------------------------------------------------*/ /* */ #include "FreeRTOS.h" #include "task.h" #include "partest.h" #include "pdc.h" #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) #define partstALL_OUTPUTS_OFF ( ( unsigned char ) 0x00 ) #define partstMAX_OUTPUT_LED ( ( unsigned char ) 8 ) static volatile unsigned char ucOutputValue = partstALL_OUTPUTS_OFF; void vParTestInitialise( void ) { PDCInit(); PDCWrite( PDC_LED, ucOutputValue ); } /*-----------------------------------------------------------*/ void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue ) { unsigned char ucBit = ( unsigned char ) 1; vTaskSuspendAll(); { if( uxLED < partstMAX_OUTPUT_LED ) { ucBit = ( ( unsigned char ) 1 ) << uxLED; if( xValue == pdFALSE ) { ucBit ^= ( unsigned char ) 0xff; ucOutputValue &= ucBit; } else { ucOutputValue |= ucBit; } PDCWrite( PDC_LED, ucOutputValue ); } } xTaskResumeAll(); } /*-----------------------------------------------------------*/ void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) { unsigned char ucBit; vTaskSuspendAll(); { if( uxLED < partstMAX_OUTPUT_LED ) { ucBit = ( ( unsigned char ) 1 ) << uxLED; if( ucOutputValue & ucBit ) { ucOutputValue &= ~ucBit; } else { ucOutputValue |= ucBit; } PDCWrite( PDC_LED, ucOutputValue ); } } xTaskResumeAll(); }