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Friday, November 3rd 2017, 11:29am

Author: markusBie

Interrupt-stack switching on RL78 for zero-latency interrupts

Hello! In the RL78 embOS manual it is described that zero-latency interrupts must not execute any embOS function. Therefore it is not allowed to call the functions OS_EnterIntStack resp. OS_LeaveIntStack, is that correct? This means that all tasks must preserve some space on their stack for the zero-latency interrupts because the switching is not allowed. Depending on the zero-latency ISR implementation this can afford large stacks for all tasks... Is there any other possibility to switch the st...