Fade blink1 to given RGB color over specified time.
@param dev blink1 device to command
@param fadeMillis time to fade in milliseconds
@param r red part of RGB color
@param g green part of RGB color
@param b blue part of RGB color
@return -1 on error, 0 on success
Fade blink1 to given RGB color over specified time. @param dev blink1 device to command @param fadeMillis time to fade in milliseconds @param r red part of RGB color @param g green part of RGB color @param b blue part of RGB color @return -1 on error, 0 on success