#!/bin/bash echo 30 > /sys/class/gpio/export echo out > /sys/class/gpio/gpio30/direction echo 0 > /sys/class/gpio/gpio30/value sleep 1 echo 1 > /sys/class/gpio/gpio30/value /usr/bin/brcm_patchram_plus -d --enable_hci --no2bytes --tosleep 200000 --baudrate 115200 --patchram /lib/firmware/BCM4345C5.hcd /dev/ttyS1 &