In the thread [CLOSED] reading 16-bit timer register correctly, and the timer mode - Programming Questions - Arduino Forum a generel solution for getting an timer based interrupt was given: volatile boolean fired = false; void setup() { // CTC mode with clk/8 prescaler TCCR1A = 0; TCCR1B = 1<…

[SOLVED] precisely all 20 ms an interrupt - is this possible?

Thomas33 May 7, 2012, 7:44pm 5

I just played around with that 39999, and the results were a bit suspicious. In the "do stuff here" part I do ethernet stuff. Can it be, that the ethernet (w5100) is using timer 1 too?

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[SOLVED] precisely all 20 ms an interrupt - is this possible?

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