/*\r
- FreeRTOS V8.1.2 - Copyright (C) 2014 Real Time Engineers Ltd.\r
+ FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.\r
All rights reserved\r
\r
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
\r
- ***************************************************************************\r
- * *\r
- * FreeRTOS provides completely free yet professionally developed, *\r
- * robust, strictly quality controlled, supported, and cross *\r
- * platform software that has become a de facto standard. *\r
- * *\r
- * Help yourself get started quickly and support the FreeRTOS *\r
- * project by purchasing a FreeRTOS tutorial book, reference *\r
- * manual, or both from: http://www.FreeRTOS.org/Documentation *\r
- * *\r
- * Thank you! *\r
- * *\r
- ***************************************************************************\r
-\r
This file is part of the FreeRTOS distribution.\r
\r
FreeRTOS is free software; you can redistribute it and/or modify it under\r
the terms of the GNU General Public License (version 2) as published by the\r
Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.\r
\r
+ ***************************************************************************\r
>>! NOTE: The modification to the GPL is included to allow you to !<<\r
>>! distribute a combined work that includes FreeRTOS without being !<<\r
>>! obliged to provide the source code for proprietary components !<<\r
>>! outside of the FreeRTOS kernel. !<<\r
+ ***************************************************************************\r
\r
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
- FOR A PARTICULAR PURPOSE. Full license text is available from the following\r
+ FOR A PARTICULAR PURPOSE. Full license text is available on the following\r
link: http://www.freertos.org/a00114.html\r
\r
- 1 tab == 4 spaces!\r
-\r
***************************************************************************\r
* *\r
- * Having a problem? Start by reading the FAQ "My application does *\r
- * not run, what could be wrong?" *\r
+ * FreeRTOS provides completely free yet professionally developed, *\r
+ * robust, strictly quality controlled, supported, and cross *\r
+ * platform software that is more than just the market leader, it *\r
+ * is the industry's de facto standard. *\r
* *\r
- * http://www.FreeRTOS.org/FAQHelp.html *\r
+ * Help yourself get started quickly while simultaneously helping *\r
+ * to support the FreeRTOS project by purchasing a FreeRTOS *\r
+ * tutorial book, reference manual, or both: *\r
+ * http://www.FreeRTOS.org/Documentation *\r
* *\r
***************************************************************************\r
\r
- http://www.FreeRTOS.org - Documentation, books, training, latest versions,\r
- license and Real Time Engineers Ltd. contact details.\r
+ http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading\r
+ the FAQ page "My application does not run, what could be wrong?". Have you\r
+ defined configASSERT()?\r
+\r
+ http://www.FreeRTOS.org/support - In return for receiving this top quality\r
+ embedded software for free we request you assist our global community by\r
+ participating in the support forum.\r
+\r
+ http://www.FreeRTOS.org/training - Investing in training allows your team to\r
+ be as productive as possible as early as possible. Now you can receive\r
+ FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers\r
+ Ltd, and the world's leading authority on the world's leading RTOS.\r
\r
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
including FreeRTOS+Trace - an indispensable productivity tool, a DOS\r
compatible FAT file system, and our tiny thread aware UDP/IP stack.\r
\r
- http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High\r
- Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS\r
- licenses offer ticketed support, indemnification and middleware.\r
+ http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.\r
+ Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.\r
+\r
+ http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High\r
+ Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS\r
+ licenses offer ticketed support, indemnification and commercial middleware.\r
\r
http://www.SafeRTOS.com - High Integrity Systems also provide a safety\r
engineered and independently SIL3 certified version for use in safety and\r
{\r
const TickType_t xTicksToWait = pdMS_TO_TICKS( 100UL );\r
BaseType_t xReturned;\r
-uint32_t ulNotifiedValue, ulLoop, ulNotifyingValue;\r
+uint32_t ulNotifiedValue, ulLoop, ulNotifyingValue, ulPreviousValue, ulExpectedValue;\r
TickType_t xTimeOnEntering;\r
const uint32_t ulFirstNotifiedConst = 100001UL, ulSecondNotifiedValueConst = 5555UL, ulMaxLoops = 5UL;\r
const uint32_t ulBit0 = 0x01UL, ulBit1 = 0x02UL;\r
Check no blocking when notifications are pending. First notify itself -\r
this would not be a normal thing to do and is done here for test purposes\r
only. */\r
- xReturned = xTaskNotify( xTaskToNotify, ulFirstNotifiedConst, eSetValueWithoutOverwrite );\r
+ xReturned = xTaskNotifyAndQuery( xTaskToNotify, ulFirstNotifiedConst, eSetValueWithoutOverwrite, &ulPreviousValue );\r
\r
/* Even through the 'without overwrite' action was used the update should\r
have been successful. */\r
configASSERT( xReturned == pdPASS );\r
\r
+ /* No bits should have been pending previously. */\r
+ configASSERT( ulPreviousValue == 0 );\r
+\r
/* The task should now have a notification pending, and so not time out. */\r
xTimeOnEntering = xTaskGetTickCount();\r
xReturned = xTaskNotifyWait( ULONG_MAX, 0, &ulNotifiedValue, xTicksToWait );\r
\r
\r
\r
+\r
+ /*--------------------------------------------------------------------------\r
+ Now try querying the previus value while notifying a task. */\r
+ xTaskNotifyAndQuery( xTaskToNotify, 0x00, eSetBits, &ulPreviousValue );\r
+ configASSERT( ulNotifiedValue == ( ULONG_MAX & ~( ulBit0 | ulBit1 ) ) );\r
+\r
+ /* Clear all bits. */\r
+ xTaskNotifyWait( 0x00, ULONG_MAX, &ulNotifiedValue, 0 );\r
+ xTaskNotifyAndQuery( xTaskToNotify, 0x00, eSetBits, &ulPreviousValue );\r
+ configASSERT( ulPreviousValue == 0 );\r
+\r
+ ulExpectedValue = 0;\r
+ for( ulLoop = 0x01; ulLoop < 0x80UL; ulLoop <<= 1UL )\r
+ {\r
+ /* Set the next bit up, and expect to receive the last bits set (so\r
+ the previous value will not yet have the bit being set this time\r
+ around). */\r
+ xTaskNotifyAndQuery( xTaskToNotify, ulLoop, eSetBits, &ulPreviousValue );\r
+ configASSERT( ulExpectedValue == ulPreviousValue );\r
+ ulExpectedValue |= ulLoop;\r
+ }\r
+\r
/* Incremented to show the task is still running. */\r
ulNotifyCycleCount++;\r
\r
xPeriod = xMinPeriod;\r
}\r
\r
+ /* Change the timer period and start the timer. */\r
xTimerChangePeriod( xTimer, xPeriod, portMAX_DELAY );\r
- xTimerStart( xTimer, portMAX_DELAY );\r
\r
/* Block waiting for the notification again with a different period.\r
Sometimes the period will be higher than the tasks block time, sometimes\r
/* It is time to 'give' the notification again. */\r
xCallCount = 0;\r
\r
- xTaskNotifyGiveFromISR( xTaskToNotify, NULL );\r
+ vTaskNotifyGiveFromISR( xTaskToNotify, NULL );\r
ulTimerNotificationsSent++;\r
}\r
}\r
\r
/* Check the count of 'takes' from the software timer is keeping track with\r
the amount of 'gives'. */\r
- if( ulTimerNotificationsSent > ulTimerNotificationsSent )\r
+ if( ulTimerNotificationsSent > ulTimerNotificationsReceived )\r
{\r
if( ( ulTimerNotificationsSent - ulTimerNotificationsReceived ) > ulMaxSendReceiveDeviation )\r
{\r