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README.md

avr-timedjob

Timed code execution of procedures.

Need Timer1 to run. (Compare Match A)

Basic usage

  1. include timedjob.h
  2. initialize timedjob
  3. add jobs

Config

  • You'll have to make sure that TIMER1 COMP_A matches every 100ms.
  • This is a basic example:
  • #define TIMER1_PRESCALER 0x03
  • #define TIMER1_COMPA_VAL 0x61A7 (for 16MHz)
  • #define TIMER1_COMPA_VAL 0x30D3 (for 8MHz)
  • (This should work for most setups)
  • For other frequencies: value = (freq / 10 / prescaler) - 1
  • Example for 4MHz: (4000000 / 10 / 64) - 1 = 6249 = 0x1869

Examles

  • See examples directory

Todo's

  • Add compiler directives for AVR registers (TIMSK1 / TIMSK are not present on every µC)

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Timed code execution of procedures

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