Hello all, this is the first time I am doing something writing to registers so I don't even know if what I want is possible. I made abit of a mix with two codes I found. One is to measure mains grid frequency using a optocoupler and an external interrupt. The second code is to create a PWM on pin 9…

Help with writing to registers for 1Hz pwm and timer interrupt

chrisknightley September 8, 2021, 3:01am 8

Don't forget volatile

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