Context switching in FreeRTOS

FreeRTOS capable to run multiple tasks by using tasks switching method. Scheduler is the kernel who doing the task switching operation. The scheduler will changing the task into running state when it is require. But when the yield, block or suspend functions is called, the scheduler will switching other task Read more…

HTTP Server

This week I continue the work on the SSL. After I included all the necessary files, it return errors of ‘TCB_uRam’  cannot fit the section. At first I thought it was running out of RAM space like another case that I experience before. Since the SSL is a very large Read more…

CCD Sensors

This week I was given another task about the CCD optical sensors. CCD is called Charge-coupled device where it is capable of transforming light pattern from an image into an electric charge pattern just like an electronic image. It can collect, store and transport electrical charge from one element to another. Each pixels Read more…

TCB in FreeRTOS

Last week, I found that the value pxCurrentTCB is different from the instruction address of my task created. After discuss with Dr Shawn, he told me that the value of pxCurrentTCB should be different from the instruction address of task created inside elf file. The pxCurrentTCB is holding the stack address Read more…

A New Chapter

With minimum expectation and completely blind faith I had arrived at AESTE for the beginning of my internship of 12 weeks. Just to give a background, before I proceed with my blog, I am a Bangladeshi student studying Electrical and Electronic Engineering in Malaysia and I have been here for Read more…