Chris writes:
> I'm using a RISCStation board with ARM Linux 2.2.17, and am having
> problems using the Real Time Clock. I wanted to run a routine roughly
> every second, and rather than continually polling gettimeofday() I
> thought I could use the RTC (like it says in
> linux/Documentation/rtc.txt). However although I can read the time from
> it using ioctls, and doing things like 'cat /proc/rtc' and 'cat
> /proc/interrupts' provide appropriate responses, the clock doesn't
> appear to generate any interrupts. This means that when I call read(),
> the program blocks forever.
We don't have a PC-like RTC, therefore /dev/rtc doesn't exist on these
ARM machines (yet).
If you just want to run something every second, why not use:
while (1) {
sleep(1);
do_what_ever_you_want_to();
}
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