But if some longer processing needs doing, set a flag in the interrupt handler (remember to declare it to be 'volatile'!), and exit.
Arduino delay statements in interrupts serial#
Send commands via the arduino serial console, D500 for 500µs delay, L100 for a 100µs long pulse.
I have also tried changing the timer prescaler, but then the jitter is also scaled up in an unacceptable way. If I enable my timer interrupts, the delay () function doesn't work. Since this example is interrupt-based, adding delay() statements do not really seem to work. I'm also trying to use the delay () function in my Loop (). If the interrupting hardware needs to be reset, do that and any other processing you have to do while the interrupts are off. system August 17, 2010, 3:44pm 1 I'm trying to use Timer1 to generate my own internal timer interrupts. When your handler exits, loop() will resume from wherever it was when it got interrupted.ĭon't delay in your interrupt handlers. While (currentMillis - previousMillis < on_interval) loop that depends on hv_bool, which can never get changed, 1) because there is no statement to set it false (besides the initialization) and 2) because loop is now running at interrupt level and no more interrupts (at the same level) can be taken.ĭon't call loop from your interrupt handler. My code looks something like this: const long on_interval = 2000 millis() isn't working as well I found out it stops counting when I exit the loop function. Inside this function, I am setting several relays that need to change after a second or two, depending on my setting. I am using a function outside loop(), which is called after an interrupt.
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