From a6163888f3c56123b1db313743c6147ba498732c Mon Sep 17 00:00:00 2001 From: Yuval Adam Date: Fri, 8 Aug 2014 14:42:07 +0300 Subject: Add third_party libs --- .../FreeRTOS/Demo/Common/Minimal/flash_timer.c | 136 +++++++++++++++++++++ 1 file changed, 136 insertions(+) create mode 100644 third_party/FreeRTOS/Demo/Common/Minimal/flash_timer.c (limited to 'third_party/FreeRTOS/Demo/Common/Minimal/flash_timer.c') diff --git a/third_party/FreeRTOS/Demo/Common/Minimal/flash_timer.c b/third_party/FreeRTOS/Demo/Common/Minimal/flash_timer.c new file mode 100644 index 0000000..a5985ff --- /dev/null +++ b/third_party/FreeRTOS/Demo/Common/Minimal/flash_timer.c @@ -0,0 +1,136 @@ +/* + FreeRTOS V7.6.0 - Copyright (C) 2013 Real Time Engineers Ltd. + All rights reserved + + VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. + + *************************************************************************** + * * + * FreeRTOS provides completely free yet professionally developed, * + * robust, strictly quality controlled, supported, and cross * + * platform software that has become a de facto standard. * + * * + * Help yourself get started quickly and support the FreeRTOS * + * project by purchasing a FreeRTOS tutorial book, reference * + * manual, or both from: http://www.FreeRTOS.org/Documentation * + * * + * Thank you! * + * * + *************************************************************************** + + 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 from the following + link: http://www.freertos.org/a00114.html + + 1 tab == 4 spaces! + + *************************************************************************** + * * + * Having a problem? Start by reading the FAQ "My application does * + * not run, what could be wrong?" * + * * + * http://www.FreeRTOS.org/FAQHelp.html * + * * + *************************************************************************** + + http://www.FreeRTOS.org - Documentation, books, training, latest versions, + license and Real Time Engineers Ltd. contact details. + + 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.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High + Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS + licenses offer ticketed support, indemnification and 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 ( ( ( portTickType ) 333 ) / portTICK_RATE_MS ) + +/* A block time of zero simple means "don't block". */ +#define ledDONT_BLOCK ( ( portTickType ) 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( xTimerHandle xTimer ); + +/*-----------------------------------------------------------*/ + +void vStartLEDFlashTimers( unsigned portBASE_TYPE uxNumberOfLEDs ) +{ +unsigned portBASE_TYPE uxLEDTimer; +xTimerHandle xTimer; + + /* Create and start the requested number of timers. */ + for( uxLEDTimer = 0; uxLEDTimer < uxNumberOfLEDs; ++uxLEDTimer ) + { + /* Create the timer. */ + xTimer = xTimerCreate( ( const signed char * const ) "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( xTimerHandle xTimer ) +{ +portBASE_TYPE 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 = ( portBASE_TYPE ) pvTimerGetTimerID( xTimer ); + vParTestToggleLED( xTimerID ); +} + + -- cgit v1.3.1