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Renesas Technology, Tools FAQs
Last Updated: August 5, 2002
Document Number: 01051178_e
Q.
My program is malfunctioning...
A.
Please check the following items
Is the interrupt level set properly?
OS-independent interrupt > OS-interrupt disable level > OS-dependent interrupt
1.
Are you issuing the system call from the OS-independent interrupt?2.
Is your stack size big enough?
(We recommend using utility stk308 or stkviewer for calculating the task stack size.)
3.
Are you ending the task (issue ext_tsk) and leaving loc_cpu or dis_dsp issued? If so, this is the problem. Instead, when
issuing loc_cpu or dis_dsp, make sure you then issue unl_cpu or ena_dsp before ending the task (issue ext_tsk).
4.
The NMI interrupt or watchdog timer interrupt may be configured as OS-dependent interrupts. These interrupts must be
OS-independent interrupts.
5.
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