Read a color pattern line to blink1.
@param dev blink1 device to command
@param fadeMillis pointer to milliseconds to fade to RGB color
@param r pointer to store red color component
@param g pointer to store green color component
@param b pointer to store blue color component
@return -1 on error, 0 on success
Read a color pattern line to blink1. @param dev blink1 device to command @param fadeMillis pointer to milliseconds to fade to RGB color @param r pointer to store red color component @param g pointer to store green color component @param b pointer to store blue color component @return -1 on error, 0 on success