#!/bin/sh usage() { echo "flash_led 1/2/3" echo "[1] = 29;//led red" echo "[2] = 26;//led yellow" echo "[3] = 24;//led blue" } case $1 in 1) gpio 2 1 gpio 3 1 gpio l 29 3 3 1 0 1 ;; 2) gpio 1 1 gpio 3 1 gpio l 26 3 3 1 0 1 ;; 3) gpio 1 1 gpio 2 1 gpio l 24 3 3 1 0 1 ;; *) usage ;; esac