blob: 5235d35c4ef2a49d33c4b58b5a7fcfd719b62a7d [file] [log] [blame]
/*
* 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!
*/
/*
Changes from V2.0.0
+ Use scheduler suspends in place of critical sections.
*/
#include "FreeRTOS.h"
#include "task.h"
#include "partest.h"
/*-----------------------------------------------------------
* Simple parallel port IO routines for the FED 40pin demo board.
* The four LED's are connected to D4 to D7.
*-----------------------------------------------------------*/
#define partstBIT_AS_OUTPUT ( ( unsigned short ) 0 )
#define partstSET_OUTPUT ( ( unsigned short ) 1 )
#define partstCLEAR_OUTPUT ( ( unsigned short ) 0 )
#define partstENABLE_GENERAL_IO ( ( unsigned char ) 7 )
/*-----------------------------------------------------------*/
void vParTestInitialise( void )
{
/* Set the top four bits of port D to output. */
TRISDbits.TRISD7 = partstBIT_AS_OUTPUT;
TRISDbits.TRISD6 = partstBIT_AS_OUTPUT;
TRISDbits.TRISD5 = partstBIT_AS_OUTPUT;
TRISDbits.TRISD4 = partstBIT_AS_OUTPUT;
/* Start with all bits off. */
PORTDbits.RD7 = partstCLEAR_OUTPUT;
PORTDbits.RD6 = partstCLEAR_OUTPUT;
PORTDbits.RD5 = partstCLEAR_OUTPUT;
PORTDbits.RD4 = partstCLEAR_OUTPUT;
/* Enable the driver. */
ADCON1 = partstENABLE_GENERAL_IO;
TRISEbits.TRISE2 = partstBIT_AS_OUTPUT;
PORTEbits.RE2 = partstSET_OUTPUT;
}
/*-----------------------------------------------------------*/
void vParTestSetLED( unsigned portBASE_TYPE uxLED, portBASE_TYPE xValue )
{
/* We are only using the top nibble, so LED 0 corresponds to bit 4. */
vTaskSuspendAll();
{
switch( uxLED )
{
case 3 : PORTDbits.RD7 = ( short ) xValue;
break;
case 2 : PORTDbits.RD6 = ( short ) xValue;
break;
case 1 : PORTDbits.RD5 = ( short ) xValue;
break;
case 0 : PORTDbits.RD4 = ( short ) xValue;
break;
default : /* There are only 4 LED's. */
break;
}
}
xTaskResumeAll();
}
/*-----------------------------------------------------------*/
void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
/* We are only using the top nibble, so LED 0 corresponds to bit 4. */
vTaskSuspendAll();
{
switch( uxLED )
{
case 3 : PORTDbits.RD7 = !( PORTDbits.RD7 );
break;
case 2 : PORTDbits.RD6 = !( PORTDbits.RD6 );
break;
case 1 : PORTDbits.RD5 = !( PORTDbits.RD5 );
break;
case 0 : PORTDbits.RD4 = !( PORTDbits.RD4 );
break;
default : /* There are only 4 LED's. */
break;
}
}
xTaskResumeAll();
}