I want to create a generic object that can protect its resource. In my case, it is a SPI channel object. I need to be able to call this from either a normal task or from an ISR. I saw a post from 2009, but didn’t understand the reply. Alternatively, is there a way to determine at run time if a function has been invoked from a task or from an ISR?
I can only answer your question with a question – which port are you using?
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