initialiseRaw method
Initialise raw - mraa_pwm_init_raw
Initialise an MraaPwmContext, raw mode, uses the chip in which the PWM is under in SYSFS.
Implementation
MraaPwmContext initialiseRaw(int chipId, int pin) =>
_impl.mraa_pwm_init_raw(chipId, pin + _grovePiPinOffset);