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/*
* FreeRTOS Kernel V10.4.0
* 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.
*-----------------------------------------------------------*/
/* FreeRTOS.org includes. */
#include "FreeRTOS.h"
#include "task.h"
#include "partest.h"
/* Standard includes. */
#include <string.h>
/* Library includes. */
#include "stm32f10x_lib.h"
#define partstNUM_LEDs 8
/* Holds the current output state for each of the LEDs. */
static unsigned char ucBitStates[ partstNUM_LEDs ];
/*-----------------------------------------------------------*/
void vParTestInitialise( void )
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Configure PE14, PD13, PD3 and PD4 output push-pull */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init( GPIOB, &GPIO_InitStructure );
memset( ucBitStates, 0x00, sizeof( ucBitStates ) );
}
/*-----------------------------------------------------------*/
void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
if( uxLED < partstNUM_LEDs )
{
portENTER_CRITICAL();
{
if( xValue != pdFALSE )
{
ucBitStates[ uxLED ] = pdTRUE;
}
else
{
ucBitStates[ uxLED ] = pdFALSE;
}
GPIO_WriteBit( GPIOB, ( GPIO_Pin_8 << uxLED ), ucBitStates[ uxLED ] );
}
portEXIT_CRITICAL();
}
}
/*-----------------------------------------------------------*/
void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
if( uxLED < partstNUM_LEDs )
{
portENTER_CRITICAL();
{
ucBitStates[ uxLED ] = !ucBitStates[ uxLED ];
GPIO_WriteBit( GPIOB, ( GPIO_Pin_8 << uxLED ), ucBitStates[ uxLED ] );
}
portEXIT_CRITICAL();
}
}
/*-----------------------------------------------------------*/
portBASE_TYPE xGetLEDState( unsigned portBASE_TYPE uxLED )
{
if( uxLED < partstNUM_LEDs )
{
return ( portBASE_TYPE ) ucBitStates[ uxLED ];
}
else
{
return 0;
}
}
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