I am using NodeMCU and I program it using Arduino IDE, I need to change the PWM frequency of a port, in Arduino I used to change the frequency using timers registers like that:
TCCR1B = (TCCR1B & 0xF8) | 1 ;
How can I change the frequency of a digital pin using some function like that:
analogWriteFrequency(pin, 31250);
So that the code will looks like that:
#ifdef __AVR__
TCCR1B = (TCCR1B & 0xF8) | 1 ; //generates the MCKL signal
#else
analogWriteFrequency(pin, 31250);
#endif
analogWrite(pin, 128) ;
Thanks.
