Modifying Critical Region on FreeRTOS
The critical region is where only one task will run on FreeRTOS and that task will continue to run until it exits the critical region. There will not be any other task running during...
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Modifying Interrupt Behaviour
AEMB has just been updated last week. The fix will prevent the tasks from breaking out of their loop. This solves the problem I faced last time where the tasks run and goes into...
Interrupts on Multiple Threads
Continuing from the previous test, an in depth look is taken on the output on AEMB. The GTKWave shows that the AEMB actually stop running anything at all on one thread . This is...
Enabling/Disabling Interrupts
Regarding my previous post on the interrupt crashing the FreeRTOS tasks, I went and research on the method used for enabling and disabling interrupts on AEMB through software. There are two simple functions used...
Interrupt Behaviour
I would like to look deeper into the application of FreeRTOS interrupts on the latest version of AEMB. It is important to be able to clearly identify the context switching by the interrupt on...
Different Priorities
The task priority of FreeRTOS is tested on the new AEMB processor. The previous programs tested all contains tasks of equal priorities with the idle task. Therefore, higher priority tasks are to be tested...
AEMB FreeRTOS Two Threads Testing
This week, I set my mind on understanding on the switching of tasks inside FreeRTOS on the latest AEMB with two threads. From previous week, it was found that there was an infinite loop...
AEMB Multithread Dissection
This week main project is to port FreeRTOS to the newer AEMB. In the previous weeks, the AEMB processor only fully utilizes one thread. It was the older version and the newer version actually...
Creating the Task class
FreeRTOS was created using C. C++ offers something more than C, which are object oriented and inheritance. This is shown by the usage of class. By using class, users can create their task by...
[Revisit] Upgrading FreeRTOSV8.0.1
As it turns out, there was some redundant things that I did during the upgrade to FreeRTOSV8.0.1 for AEMB2. What I did wrong last time was that I added the commits from upstream into...
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