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121 lines
3.5 KiB
C
121 lines
3.5 KiB
C
/*
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* FreeRTOS Kernel V10.2.0
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* Copyright (C) 2019 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 V3.0.0
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Changes from V3.0.1
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*/
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/* Scheduler include files. */
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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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* Simple parallel port IO routines for the FED 40pin demo board.
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* The four LED's are connected to D4 to D7.
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*-----------------------------------------------------------*/
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#define partstBIT_AS_OUTPUT ( ( unsigned short ) 0 )
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#define partstSET_OUTPUT ( ( unsigned short ) 1 )
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#define partstCLEAR_OUTPUT ( ( unsigned short ) 0 )
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#define partstENABLE_GENERAL_IO ( ( unsigned char ) 7 )
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/*-----------------------------------------------------------*/
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void vParTestInitialise( void )
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{
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/* Set the top four bits of port D to output. */
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bTRD7 = partstBIT_AS_OUTPUT;
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bTRD6 = partstBIT_AS_OUTPUT;
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bTRD5 = partstBIT_AS_OUTPUT;
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bTRD4 = partstBIT_AS_OUTPUT;
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/* Start with all bits off. */
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bRD7 = partstCLEAR_OUTPUT;
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bRD6 = partstCLEAR_OUTPUT;
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bRD5 = partstCLEAR_OUTPUT;
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bRD4 = partstCLEAR_OUTPUT;
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/* Enable the driver. */
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ADCON1 = partstENABLE_GENERAL_IO;
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bTRE2 = partstBIT_AS_OUTPUT;
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bRE2 = partstSET_OUTPUT;
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}
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/*-----------------------------------------------------------*/
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void vParTestSetLED( unsigned char ucLED, char cValue )
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{
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/* We are only using the top nibble, so LED 0 corresponds to bit 4. */
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vTaskSuspendAll();
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{
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switch( ucLED )
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{
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case 3 : bRD7 = ( short ) cValue;
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break;
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case 2 : bRD6 = ( short ) cValue;
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break;
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case 1 : bRD5 = ( short ) cValue;
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break;
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case 0 : bRD4 = ( short ) cValue;
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break;
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default : /* There are only 4 LED's. */
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break;
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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 char ucLED )
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{
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/* We are only using the top nibble, so LED 0 corresponds to bit 4. */
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vTaskSuspendAll();
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{
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switch( ucLED )
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{
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case 3 : bRD7 = !bRD7;
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break;
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case 2 : bRD6 = !bRD6;
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break;
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case 1 : bRD5 = !bRD5;
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break;
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case 0 : bRD4 = !bRD4 );
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break;
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default : /* There are only 4 LED's. */
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break;
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}
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}
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xTaskResumeAll();
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}
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