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Hi! I have written a simple uart driver for the nordic bRF24E1 (8051 with intergrated rf) and somehow i do not seem to be able to debug my interrupt service routine. EA is set to 1 and Serial Interrupt is enabled but when i set a breakpoint inside the isr the debugger will not stop at the breakpoint. The isr is triggered however. I know it because there seems to be a bug in my isr (stack is messed up) which only occurs when EA = 1. As soon as i disable interrupts the bug goes away. So isr is triggered but i can not debug it because tracing into the isr doesn't seem to be possible. So how can i debug interupt-service-routines with the integrated debugger? Regards Christian
Jeff, Please don't change your name mid-thread. It's very confusing. Why dont you post the minimum complete program that demonstrates the problem? We're fishing in the dark a bit here. Stefan