/* | |
FreeRTOS V8.2.3 - Copyright (C) 2015 Real Time Engineers Ltd. | |
All rights reserved | |
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. | |
This file is part of the FreeRTOS distribution. | |
FreeRTOS is free software; you can redistribute it and/or modify it under | |
the terms of the GNU General Public License (version 2) as published by the | |
Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception. | |
*************************************************************************** | |
>>! NOTE: The modification to the GPL is included to allow you to !<< | |
>>! distribute a combined work that includes FreeRTOS without being !<< | |
>>! obliged to provide the source code for proprietary components !<< | |
>>! outside of the FreeRTOS kernel. !<< | |
*************************************************************************** | |
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 on the following | |
link: http://www.freertos.org/a00114.html | |
*************************************************************************** | |
* * | |
* FreeRTOS provides completely free yet professionally developed, * | |
* robust, strictly quality controlled, supported, and cross * | |
* platform software that is more than just the market leader, it * | |
* is the industry's de facto standard. * | |
* * | |
* Help yourself get started quickly while simultaneously helping * | |
* to support the FreeRTOS project by purchasing a FreeRTOS * | |
* tutorial book, reference manual, or both: * | |
* http://www.FreeRTOS.org/Documentation * | |
* * | |
*************************************************************************** | |
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading | |
the FAQ page "My application does not run, what could be wrong?". Have you | |
defined configASSERT()? | |
http://www.FreeRTOS.org/support - In return for receiving this top quality | |
embedded software for free we request you assist our global community by | |
participating in the support forum. | |
http://www.FreeRTOS.org/training - Investing in training allows your team to | |
be as productive as possible as early as possible. Now you can receive | |
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers | |
Ltd, and the world's leading authority on the world's leading RTOS. | |
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, | |
including FreeRTOS+Trace - an indispensable productivity tool, a DOS | |
compatible FAT file system, and our tiny thread aware UDP/IP stack. | |
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate. | |
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS. | |
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High | |
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS | |
licenses offer ticketed support, indemnification and commercial middleware. | |
http://www.SafeRTOS.com - High Integrity Systems also provide a safety | |
engineered and independently SIL3 certified version for use in safety and | |
mission critical applications that require provable dependability. | |
1 tab == 4 spaces! | |
*/ | |
/* Simple LED IO functions. LED 0 is toggled by a timer every half second. */ | |
/* FreeRTOS includes. */ | |
#include "FreeRTOS.h" | |
#include "timers.h" | |
/* Library includes. */ | |
#include "lpc18xx_gpio.h" | |
#include "lpc18xx_scu.h" | |
#include "lpc18xx_cgu.h" | |
#define ledTOGGLE_RATE ( 500 / portTICK_RATE_MS ) | |
#define ledLED0_PORT 1 | |
#define ledLED0_BIT ( 1UL << 11UL ) | |
#define ledLED1_PORT 2 | |
#define ledLED1_BIT ( 1UL << 12UL ) | |
/* | |
* Toggles an LED just to show the application is running. | |
*/ | |
static void prvLEDToggleTimerCallback( xTimerHandle xTimer ); | |
/*-----------------------------------------------------------*/ | |
void vLEDsInitialise( void ) | |
{ | |
static xTimerHandle xLEDToggleTimer = NULL; | |
/* Set the LED pin-muxing and configure as output. */ | |
scu_pinmux( 0x2 , 11, MD_PUP, FUNC0 ); | |
scu_pinmux( 0x2 , 12, MD_PUP, FUNC0 ); | |
GPIO_SetDir( ledLED0_PORT, ledLED0_BIT, 1 ); | |
GPIO_SetDir( ledLED1_PORT, ledLED1_BIT, 1 ); | |
/* Create the timer used to toggle LED0. */ | |
xLEDToggleTimer = xTimerCreate( "LEDTmr", /* Just a text name to associate with the timer, useful for debugging, but not used by the kernel. */ | |
ledTOGGLE_RATE, /* The period of the timer. */ | |
pdTRUE, /* This timer will autoreload, so uxAutoReload is set to pdTRUE. */ | |
NULL, /* The timer ID is not used, so can be set to NULL. */ | |
prvLEDToggleTimerCallback ); /* The callback function executed each time the timer expires. */ | |
/* Sanity check that the timer was actually created. */ | |
configASSERT( xLEDToggleTimer ); | |
/* Start the timer. If this is called before the scheduler is started then | |
the block time will automatically get changed to 0 (from portMAX_DELAY). */ | |
xTimerStart( xLEDToggleTimer, portMAX_DELAY ); | |
} | |
/*-----------------------------------------------------------*/ | |
static void prvLEDToggleTimerCallback( xTimerHandle xTimer ) | |
{ | |
static uint8_t ucState = 0; | |
/* Remove compiler warnings. */ | |
( void ) xTimer; | |
/* Just toggle an LED to show the program is running. */ | |
if( ucState == 0 ) | |
{ | |
GPIO_SetValue( ledLED0_PORT, ledLED0_BIT ); | |
} | |
else | |
{ | |
GPIO_ClearValue( ledLED0_PORT, ledLED0_BIT ); | |
} | |
ucState = !ucState; | |
} | |