blob: 51fb7132cde21601de701865c55d338da8c00233 [file] [log] [blame]
/*
* FreeRTOS Kernel V10.0.1
* Copyright (C) 2017 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.
*-----------------------------------------------------------*/
/* Kernel includes. */
#include "FreeRTOS.h"
#include "task.h"
/* Library includes. */
#include "mss_gpio.h"
#define partstMAX_LEDS 8
static volatile unsigned long ulGPIOState = 0UL;
/*-----------------------------------------------------------*/
void vParTestInitialise( void )
{
long x;
/* Initialise the GPIO */
MSS_GPIO_init();
/* Set up GPIO for the LEDs. */
for( x = 0; x < partstMAX_LEDS; x++ )
{
MSS_GPIO_config( ( mss_gpio_id_t ) x , MSS_GPIO_OUTPUT_MODE );
}
/* All LEDs start off. */
ulGPIOState = 0xffffffffUL;
MSS_GPIO_set_outputs( ulGPIOState );
}
/*-----------------------------------------------------------*/
void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
if( uxLED < partstMAX_LEDS )
{
/* A critical section is used as the LEDs are also accessed from an
interrupt. */
taskENTER_CRITICAL();
{
if( xValue == pdTRUE )
{
ulGPIOState &= ~( 1UL << uxLED );
}
else
{
ulGPIOState |= ( 1UL << uxLED );
}
MSS_GPIO_set_outputs( ulGPIOState );
}
taskEXIT_CRITICAL();
}
}
/*-----------------------------------------------------------*/
void vParTestSetLEDFromISR( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
unsigned portBASE_TYPE uxInterruptFlags;
uxInterruptFlags = portSET_INTERRUPT_MASK_FROM_ISR();
{
if( uxLED < partstMAX_LEDS )
{
if( xValue == pdTRUE )
{
ulGPIOState &= ~( 1UL << uxLED );
}
else
{
ulGPIOState |= ( 1UL << uxLED );
}
MSS_GPIO_set_outputs( ulGPIOState );
}
}
portCLEAR_INTERRUPT_MASK_FROM_ISR( uxInterruptFlags );
}
/*-----------------------------------------------------------*/
void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
if( uxLED < partstMAX_LEDS )
{
/* A critical section is used as the LEDs are also accessed from an
interrupt. */
taskENTER_CRITICAL();
{
if( ( ulGPIOState & ( 1UL << uxLED ) ) != 0UL )
{
ulGPIOState &= ~( 1UL << uxLED );
}
else
{
ulGPIOState |= ( 1UL << uxLED );
}
MSS_GPIO_set_outputs( ulGPIOState );
}
taskEXIT_CRITICAL();
}
}
/*-----------------------------------------------------------*/
long lParTestGetLEDState( unsigned long ulLED )
{
long lReturn = pdFALSE;
if( ulLED < partstMAX_LEDS )
{
taskENTER_CRITICAL();
{
if( ( ulGPIOState & ( 1UL << ulLED ) ) == 0UL )
{
lReturn = pdTRUE;
}
}
taskEXIT_CRITICAL();
}
return lReturn;
}
/*-----------------------------------------------------------*/