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 --- third_party/FreeRTOS/Demo/Common/Full/print.c | 144 ++++++++++++++++++++++++++ 1 file changed, 144 insertions(+) create mode 100644 third_party/FreeRTOS/Demo/Common/Full/print.c (limited to 'third_party/FreeRTOS/Demo/Common/Full/print.c') diff --git a/third_party/FreeRTOS/Demo/Common/Full/print.c b/third_party/FreeRTOS/Demo/Common/Full/print.c new file mode 100644 index 0000000..14944d8 --- /dev/null +++ b/third_party/FreeRTOS/Demo/Common/Full/print.c @@ -0,0 +1,144 @@ +/* + 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! +*/ + +/** + * Manages a queue of strings that are waiting to be displayed. This is used to + * ensure mutual exclusion of console output. + * + * A task wishing to display a message will call vPrintDisplayMessage (), with a + * pointer to the string as the parameter. The pointer is posted onto the + * xPrintQueue queue. + * + * The task spawned in main. c blocks on xPrintQueue. When a message becomes + * available it calls pcPrintGetNextMessage () to obtain a pointer to the next + * string, then uses the functions defined in the portable layer FileIO. c to + * display the message. + * + * NOTE: + * Using console IO can disrupt real time performance - depending on the port. + * Standard C IO routines are not designed for real time applications. While + * standard IO is useful for demonstration and debugging an alternative method + * should be used if you actually require console IO as part of your application. + * + * \page PrintC print.c + * \ingroup DemoFiles + *
+ */ + +/* +Changes from V2.0.0 + + + Delay periods are now specified using variables and constants of + portTickType rather than unsigned long. +*/ + +#include + +/* Scheduler include files. */ +#include "FreeRTOS.h" +#include "queue.h" + +/* Demo program include files. */ +#include "print.h" + +static xQueueHandle xPrintQueue; + +/*-----------------------------------------------------------*/ + +void vPrintInitialise( void ) +{ +const unsigned portBASE_TYPE uxQueueSize = 20; + + /* Create the queue on which errors will be reported. */ + xPrintQueue = xQueueCreate( uxQueueSize, ( unsigned portBASE_TYPE ) sizeof( char * ) ); +} +/*-----------------------------------------------------------*/ + +void vPrintDisplayMessage( const char * const * ppcMessageToSend ) +{ + #ifdef USE_STDIO + xQueueSend( xPrintQueue, ( void * ) ppcMessageToSend, ( portTickType ) 0 ); + #else + /* Stop warnings. */ + ( void ) ppcMessageToSend; + #endif +} +/*-----------------------------------------------------------*/ + +const char *pcPrintGetNextMessage( portTickType xPrintRate ) +{ +char *pcMessage; + + if( xQueueReceive( xPrintQueue, &pcMessage, xPrintRate ) == pdPASS ) + { + return pcMessage; + } + else + { + return NULL; + } +} + + -- cgit v1.3.1