Set blink1 immediately to a specific RGB color.
@note If mk2, sets all LEDs immediately
@param dev blink1 device to command
@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
Set blink1 immediately to a specific RGB color. @note If mk2, sets all LEDs immediately @param dev blink1 device to command @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