/* | |
* FreeRTOS Kernel V10.2.0 | |
* Copyright (C) 2019 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. | |
*-----------------------------------------------------------*/ | |
/* FreeRTOS includes. */ | |
#include "FreeRTOS.h" | |
#include "task.h" | |
/* Demo includes. */ | |
#include "partest.h" | |
#define partstTOTAL_NUM_LEDs 16 | |
#define partstNUM_LEDs_PER_DISPLAY 8 | |
volatile unsigned char *pucDisplayOutput[ 2 ] = { ( unsigned char * ) 3, ( unsigned char * ) 5 }; | |
void vParTestInitialise( void ) | |
{ | |
/* In this case all the initialisation is performed in prvSetupHardware() | |
in main.c. */ | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue ) | |
{ | |
unsigned portBASE_TYPE uxLEDMask = 0x01; | |
if( uxLED < partstNUM_LEDs_PER_DISPLAY ) | |
{ | |
uxLEDMask <<= uxLED; | |
taskENTER_CRITICAL(); | |
{ | |
if( xValue ) | |
{ | |
*pucDisplayOutput[ 0 ] &= ~uxLEDMask; | |
} | |
else | |
{ | |
*pucDisplayOutput[ 0 ] |= uxLEDMask; | |
} | |
} | |
taskEXIT_CRITICAL(); | |
} | |
else if( uxLED < partstTOTAL_NUM_LEDs ) | |
{ | |
uxLED -= partstNUM_LEDs_PER_DISPLAY; | |
uxLEDMask <<= uxLED; | |
taskENTER_CRITICAL(); | |
{ | |
if( xValue ) | |
{ | |
*pucDisplayOutput[ 1 ] &= ~uxLEDMask; | |
} | |
else | |
{ | |
*pucDisplayOutput[ 1 ] |= uxLEDMask; | |
} | |
} | |
taskEXIT_CRITICAL(); | |
} | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) | |
{ | |
unsigned portBASE_TYPE uxLEDMask = 0x01; | |
if( uxLED < partstNUM_LEDs_PER_DISPLAY ) | |
{ | |
uxLEDMask <<= uxLED; | |
taskENTER_CRITICAL(); | |
{ | |
if( *pucDisplayOutput[ 0 ] & uxLEDMask ) | |
{ | |
*pucDisplayOutput[ 0 ] &= ~uxLEDMask; | |
} | |
else | |
{ | |
*pucDisplayOutput[ 0 ] |= uxLEDMask; | |
} | |
} | |
taskEXIT_CRITICAL(); | |
} | |
else if( uxLED < partstTOTAL_NUM_LEDs ) | |
{ | |
uxLED -= partstNUM_LEDs_PER_DISPLAY; | |
uxLEDMask <<= uxLED; | |
taskENTER_CRITICAL(); | |
{ | |
if( *pucDisplayOutput[ 1 ] & uxLEDMask ) | |
{ | |
*pucDisplayOutput[ 1 ] &= ~uxLEDMask; | |
} | |
else | |
{ | |
*pucDisplayOutput[ 1 ] |= uxLEDMask; | |
} | |
} | |
taskEXIT_CRITICAL(); | |
} | |
} | |