How PendSV is used for Context Switching in FreeRTOS ??

By | March 9th, 2017|Uncategorized|

In this article let me explain, line by line, the PendSV handler which carry out the Context switch form one task to another task. That is nothing but saving the context of current task (Context is nothing but few processor registers, that’s it) and retrieving the context of the next potential task. So, here is

Bus Protocols and Bus interfaces of Cortex M3/M4 Prcoessor

By | February 28th, 2017|Uncategorized|

In this Article, let’s explore about the Bus protocols and bus interfaces used in the Cortex m3 /m4 processor based MCUs There are 2 bus protocols, which are very famous for interconnection between processor and the various Peripheral of the microcontroller. 1) The AHB Lite 2) APB The AHB Lite The Cortex M3/M4 processor use