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/*
* FreeRTOS Kernel V10.4.1
* 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!
*/
#include <c8051f120.h>
#include "FreeRTOS.h"
#include "task.h"
#include "partest.h"
#define partstPUSH_PULL ( ( unsigned char ) 0xff )
#define partstALL_OUTPUTS_OFF ( ( unsigned char ) 0xff )
/* LED to output is dependent on how the LED's are wired. */
#define partstOUTPUT_0 ( ( unsigned char ) 0x02 )
#define partstOUTPUT_1 ( ( unsigned char ) 0x08 )
#define partstOUTPUT_2 ( ( unsigned char ) 0x20 )
#define partstOUTPUT_3 ( ( unsigned char ) 0x01 )
#define partstOUTPUT_4 ( ( unsigned char ) 0x04 )
#define partstOUTPUT_5 ( ( unsigned char ) 0x10 )
#define partstOUTPUT_6 ( ( unsigned char ) 0x40 )
#define partstOUTPUT_7 ( ( unsigned char ) 0x80 )
/*-----------------------------------------------------------
* Simple parallel port IO routines.
*-----------------------------------------------------------*/
void vParTestInitialise( void )
{
unsigned char ucOriginalSFRPage;
/* Remember the SFR page before it is changed so it can get set back
before the function exits. */
ucOriginalSFRPage = SFRPAGE;
/* Setup the SFR page to access the config SFR's. */
SFRPAGE = CONFIG_PAGE;
/* Set the on board LED to push pull. */
P3MDOUT |= partstPUSH_PULL;
/* Return the SFR page. */
SFRPAGE = ucOriginalSFRPage;
P3 = partstALL_OUTPUTS_OFF;
}
/*-----------------------------------------------------------*/
void vParTestSetLED( unsigned portBASE_TYPE uxLED, portBASE_TYPE xValue )
{
portBASE_TYPE xError = pdFALSE;
vTaskSuspendAll();
{
if( xValue == pdFALSE )
{
switch( uxLED )
{
case 0 : P3 |= partstOUTPUT_0;
break;
case 1 : P3 |= partstOUTPUT_1;
break;
case 2 : P3 |= partstOUTPUT_2;
break;
case 3 : P3 |= partstOUTPUT_3;
break;
case 4 : P3 |= partstOUTPUT_4;
break;
case 5 : P3 |= partstOUTPUT_5;
break;
case 6 : P3 |= partstOUTPUT_6;
break;
case 7 : P3 |= partstOUTPUT_7;
break;
default : /* There are no other LED's wired in. */
xError = pdTRUE;
break;
}
}
else
{
switch( uxLED )
{
case 0 : P3 &= ~partstOUTPUT_0;
break;
case 1 : P3 &= ~partstOUTPUT_1;
break;
case 2 : P3 &= ~partstOUTPUT_2;
break;
case 3 : P3 &= ~partstOUTPUT_3;
break;
case 4 : P3 &= ~partstOUTPUT_4;
break;
case 5 : P3 &= ~partstOUTPUT_5;
break;
case 6 : P3 &= ~partstOUTPUT_6;
break;
case 7 : P3 &= ~partstOUTPUT_7;
break;
default : /* There are no other LED's wired in. */
break;
}
}
}
xTaskResumeAll();
}
/*-----------------------------------------------------------*/
void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
unsigned char ucBit;
portBASE_TYPE xError = pdFALSE;
vTaskSuspendAll();
{
switch( uxLED )
{
case 0 : ucBit = partstOUTPUT_0;
break;
case 1 : ucBit = partstOUTPUT_1;
break;
case 2 : ucBit = partstOUTPUT_2;
break;
case 3 : ucBit = partstOUTPUT_3;
break;
case 4 : ucBit = partstOUTPUT_4;
break;
case 5 : ucBit = partstOUTPUT_5;
break;
case 6 : ucBit = partstOUTPUT_6;
break;
case 7 : ucBit = partstOUTPUT_7;
break;
default : /* There are no other LED's wired in. */
xError = pdTRUE;
break;
}
if( xError != pdTRUE )
{
if( P3 & ucBit )
{
P3 &= ~ucBit;
}
else
{
P3 |= ucBit;
}
}
}
xTaskResumeAll();
}
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