Arduino - serial port interrupt

Asked Mar 15 '14 at 17:47

Active Mar 20 '14 at 15:07

Viewed 1,139 times

Arduino question on interrupts:

For my Arduino RTC project I need to put my Arduino to sleep until interrupted by either a pin interrupt or by a single char present on the serial port (an arbitrary character) -- How may I achieve this?

I see that a pin interrupt is relatively straightforward, but I'm unable complete this by the serial port [I could poll the serial port, but this wastes energy].

Suggestions welcome

edited Mar 20 '14 at 15:07

dsolimano

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asked Mar 15 '14 at 17:47

Harry Lime

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Which Arduino (or more specifically, which MCU)? – Ignacio Vazquez-Abrams Mar 16 '14 at 20:08
http://arduino.stackexchange.com/ – Hans Passant Mar 20 '14 at 16:48
I't the Uno with the Atmel328 MCU http://www.atmel.com/Images/doc8161.pdf – Harry Lime Mar 21 '14 at 14:04
Check out this answer - http://stackoverflow.com/questions/10201590/arduino-serial-interrupts – Reefwing Dec 22 '15 at 02:43

Arduino - serial port interrupt

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