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I had a question about timers.
If I'm using PWM, can I still use Timer1? I need something that can allow me to write to SPI every 5ms or so, I tried Ticker and it wasn't very good for my specific application.
If not, how much work would it take to get Timer2 working? That way I can have both my accurately timed SPI transfers and PWM.
// vdd33_const // the voltage of PA_VDD // x=0xff: it can measure VDD33, // 18<=x<=36: use input voltage, // the value is voltage*10, 33 is 3.3V, 30 is 3.0V, // x<18 or x>36: default voltage is 3.3V