/* | |
FreeRTOS V8.1.0 - Copyright (C) 2014 Real Time Engineers Ltd. | |
All rights reserved | |
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*************************************************************************** | |
* * | |
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*************************************************************************** | |
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FreeRTOS is free software; you can redistribute it and/or modify it under | |
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY | |
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
FOR A PARTICULAR PURPOSE. Full license text is available from the following | |
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* * | |
* Having a problem? Start by reading the FAQ "My application does * | |
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* http://www.FreeRTOS.org/FAQHelp.html * | |
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license and Real Time Engineers Ltd. contact details. | |
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*/ | |
/*----------------------------------------------------------- | |
* Simple IO routines to control the LEDs. | |
* This file is called ParTest.c for historic reasons. Originally it stood for | |
* PARallel port TEST. | |
*-----------------------------------------------------------*/ | |
/* Scheduler includes. */ | |
#include "FreeRTOS.h" | |
#include "task.h" | |
/* Demo includes. */ | |
#include "partest.h" | |
/* Library includes. */ | |
#include "drivers/mss_gpio/mss_gpio.h" | |
#include "CMSIS/system_m2sxxx.h" | |
#define partstNUM_LEDS 2 | |
/* Remember the state of the outputs for easy toggling. */ | |
static unsigned char ucPortState = 0; | |
#if configBUILD_FOR_DEVELOPMENT_KIT == 1 | |
static const mss_gpio_id_t ucLEDs[ partstNUM_LEDS ] = { MSS_GPIO_14, MSS_GPIO_15 }; | |
#else | |
static const mss_gpio_id_t ucLEDs[ partstNUM_LEDS ] = { MSS_GPIO_0, MSS_GPIO_1 }; | |
#endif | |
/*-----------------------------------------------------------*/ | |
void vParTestInitialise( void ) | |
{ | |
long x; | |
/* Initialise MSS GPIOs. */ | |
MSS_GPIO_init(); | |
/* Ensure the LEDs are outputs and off to start. */ | |
for( x = 0; x < partstNUM_LEDS; x++ ) | |
{ | |
MSS_GPIO_config( ucLEDs[ x ], MSS_GPIO_OUTPUT_MODE ); | |
vParTestSetLED( x, pdFALSE ); | |
} | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue ) | |
{ | |
if( uxLED < partstNUM_LEDS ) | |
{ | |
taskENTER_CRITICAL(); | |
{ | |
MSS_GPIO_set_output( ucLEDs[ uxLED ], xValue ); | |
/* Remember the new output state. */ | |
if( xValue == 0 ) | |
{ | |
ucPortState &= ~( 1 << uxLED ); | |
} | |
else | |
{ | |
ucPortState |= ( 1 << uxLED ); | |
} | |
} | |
taskEXIT_CRITICAL(); | |
} | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) | |
{ | |
if( uxLED < partstNUM_LEDS ) | |
{ | |
taskENTER_CRITICAL(); | |
{ | |
vParTestSetLED( uxLED, !( ucPortState & ( 1 << uxLED ) ) ); | |
} | |
taskEXIT_CRITICAL(); | |
} | |
} | |