Function mraa_sys::mraa_pwm_lookup

pub unsafe extern "C" fn mraa_pwm_lookup(pwm_name: *const c_char) -> c_int

Get PWM index by PWM name, board must be initialised.

@param pwm_name: Name of PWM. Eg:PWM0 @return int of MRAA index for PWM or -1 if not found.