/* | |
FreeRTOS V9.0.1 - Copyright (C) 2017 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! | |
*/ | |
/** | |
* Repeatedly toggles one or more LEDs using software timers - one timer per | |
* LED. | |
*/ | |
/* Scheduler include files. */ | |
#include "FreeRTOS.h" | |
#include "timers.h" | |
/* Demo program include files. */ | |
#include "partest.h" | |
#include "flash_timer.h" | |
/* The toggle rates are all a multple of ledFLASH_RATE_BASE. */ | |
#define ledFLASH_RATE_BASE ( ( ( TickType_t ) 333 ) / portTICK_PERIOD_MS ) | |
/* A block time of zero simple means "don't block". */ | |
#define ledDONT_BLOCK ( ( TickType_t ) 0 ) | |
/*-----------------------------------------------------------*/ | |
/* | |
* The callback function used by each LED flashing timer. All the timers use | |
* this function, and the timer ID is used within the function to determine | |
* which timer has actually expired. | |
*/ | |
static void prvLEDTimerCallback( TimerHandle_t xTimer ); | |
/*-----------------------------------------------------------*/ | |
void vStartLEDFlashTimers( UBaseType_t uxNumberOfLEDs ) | |
{ | |
UBaseType_t uxLEDTimer; | |
TimerHandle_t xTimer; | |
/* Create and start the requested number of timers. */ | |
for( uxLEDTimer = 0; uxLEDTimer < uxNumberOfLEDs; ++uxLEDTimer ) | |
{ | |
/* Create the timer. */ | |
xTimer = xTimerCreate( "Flasher", /* A text name, purely to help debugging. */ | |
ledFLASH_RATE_BASE * ( uxLEDTimer + 1 ),/* The timer period, which is a multiple of ledFLASH_RATE_BASE. */ | |
pdTRUE, /* This is an auto-reload timer, so xAutoReload is set to pdTRUE. */ | |
( void * ) uxLEDTimer, /* The ID is used to identify the timer within the timer callback function, as each timer uses the same callback. */ | |
prvLEDTimerCallback /* Each timer uses the same callback. */ | |
); | |
/* If the timer was created successfully, attempt to start it. If the | |
scheduler has not yet been started then the timer command queue must | |
be long enough to hold each command sent to it until such time that the | |
scheduler is started. The timer command queue length is set by | |
configTIMER_QUEUE_LENGTH in FreeRTOSConfig.h. */ | |
if( xTimer != NULL ) | |
{ | |
xTimerStart( xTimer, ledDONT_BLOCK ); | |
} | |
} | |
} | |
/*-----------------------------------------------------------*/ | |
static void prvLEDTimerCallback( TimerHandle_t xTimer ) | |
{ | |
BaseType_t xTimerID; | |
/* The timer ID is used to identify the timer that has actually expired as | |
each timer uses the same callback. The ID is then also used as the number | |
of the LED that is to be toggled. */ | |
xTimerID = ( BaseType_t ) pvTimerGetTimerID( xTimer ); | |
vParTestToggleLED( xTimerID ); | |
} | |