Add third_party libs

1 files changed, 157 insertions, 0 deletions

diff --git a/third_party/FreeRTOS/Demo/Common/Minimal/flash.c b/third_party/FreeRTOS/Demo/Common/Minimal/flash.c
new file mode 100644
index 0000000..fda5870
--- /dev/null
+++ b/third_party/FreeRTOS/Demo/Common/Minimal/flash.c
@@ -0,0 +1,157 @@
+/*

+    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!

+*/

+

+/**

+ * This version of flash .c is for use on systems that have limited stack space

+ * and no display facilities.  The complete version can be found in the 

+ * Demo/Common/Full directory.

+ * 

+ * Three tasks are created, each of which flash an LED at a different rate.  The first 

+ * LED flashes every 200ms, the second every 400ms, the third every 600ms.

+ *

+ * The LED flash tasks provide instant visual feedback.  They show that the scheduler 

+ * is still operational.

+ *

+ */

+

+

+#include <stdlib.h>

+

+/* Scheduler include files. */

+#include "FreeRTOS.h"

+#include "task.h"

+

+/* Demo program include files. */

+#include "partest.h"

+#include "flash.h"

+

+#define ledSTACK_SIZE		configMINIMAL_STACK_SIZE

+#define ledNUMBER_OF_LEDS	( 3 )

+#define ledFLASH_RATE_BASE	( ( portTickType ) 333 )

+

+/* Variable used by the created tasks to calculate the LED number to use, and

+the rate at which they should flash the LED. */

+static volatile unsigned portBASE_TYPE uxFlashTaskNumber = 0;

+

+/* The task that is created three times. */

+static portTASK_FUNCTION_PROTO( vLEDFlashTask, pvParameters );

+

+/*-----------------------------------------------------------*/

+

+void vStartLEDFlashTasks( unsigned portBASE_TYPE uxPriority )

+{

+signed portBASE_TYPE xLEDTask;

+

+	/* Create the three tasks. */

+	for( xLEDTask = 0; xLEDTask < ledNUMBER_OF_LEDS; ++xLEDTask )

+	{

+		/* Spawn the task. */

+		xTaskCreate( vLEDFlashTask, ( signed char * ) "LEDx", ledSTACK_SIZE, NULL, uxPriority, ( xTaskHandle * ) NULL );

+	}

+}

+/*-----------------------------------------------------------*/

+

+static portTASK_FUNCTION( vLEDFlashTask, pvParameters )

+{

+portTickType xFlashRate, xLastFlashTime;

+unsigned portBASE_TYPE uxLED;

+

+	/* The parameters are not used. */

+	( void ) pvParameters;

+

+	/* Calculate the LED and flash rate. */

+	portENTER_CRITICAL();

+	{

+		/* See which of the eight LED's we should use. */

+		uxLED = uxFlashTaskNumber;

+

+		/* Update so the next task uses the next LED. */

+		uxFlashTaskNumber++;

+	}

+	portEXIT_CRITICAL();

+

+	xFlashRate = ledFLASH_RATE_BASE + ( ledFLASH_RATE_BASE * ( portTickType ) uxLED );

+	xFlashRate /= portTICK_RATE_MS;

+

+	/* We will turn the LED on and off again in the delay period, so each

+	delay is only half the total period. */

+	xFlashRate /= ( portTickType ) 2;

+

+	/* We need to initialise xLastFlashTime prior to the first call to 

+	vTaskDelayUntil(). */

+	xLastFlashTime = xTaskGetTickCount();

+

+	for(;;)

+	{

+		/* Delay for half the flash period then turn the LED on. */

+		vTaskDelayUntil( &xLastFlashTime, xFlashRate );

+		vParTestToggleLED( uxLED );

+

+		/* Delay for half the flash period then turn the LED off. */

+		vTaskDelayUntil( &xLastFlashTime, xFlashRate );

+		vParTestToggleLED( uxLED );

+	}

+} /*lint !e715 !e818 !e830 Function definition must be standard for task creation. */

+