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IDATA Stack Overflow

ed mcnicholas
Intellectual 290 points
Other Parts Discussed in Thread: CC2530

In implementing power management on an CC2530 chip set I have noticed that i get stack overflows when power management is enabled.  I have byte aligned the PCON = 1; command on a 4 byte boundary but it still overflows.  I have also seen this cause the device to reboot after about 10 hours of run-time which i am assuming is due to a corruption of a function pointer or some other element in data memory.  The project is using a proprietary stack and power management is required as the device is using a CR2032 battery and must have long run time.  I currently have the project using a large data model and xdata stack so i was wondering if there is something i can do to mitigate this issue.

below is the PM code

asm("NOP");
asm("NOP");
PCON = 0x01;
EA = 0;