Debian 10 Application – Use Bluetooth

Edge 2/Edge 2 Kit use AMPAK AP6275S module which supports Wi-Fi and Bluetooth. This instruction will introduce you how to use Bluetooth on Edge 2/Edge 2 Kit product when use Debian 10 system.

Step 1: Load the driver of Bluetooth via below command:

brcm_patchram_plus1 -d --enable_hci --no2bytes --tosleep 200000 --baudrate 1500000 --patchram /system/etc/firmware/BCM4362A2.hcd /dev/ttyS8 &

Step 2: Open the Bluetooth

hciconfig hci0 up

Step 3: Check the status of Bluetooth

hciconfig –a

Step 4: Scan the Bluetooth device around

hcitool scan

Step 5 (Option): Install bluez for more functions:

sudo apt-get install bluez bluez-hcidump

If you want to enable bluetooth when system start up, you need to set up more as following:

Step 6: Download and put this script “enablebluetooth.sh“ to /etc/init.d/ folder.

Step 7: Download and put this file “rc.local“ to /etc/ folder.

Or you could add below content

/etc/init.d/enablebluetooth.sh start

to this file “/etc/rc.local” manually, after adding it will be like this:

#!/bin/sh -e
#
# rc.local
# 
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
# 
# In order to enable or disable this script just change the execution
# bits.
# 
# By default this script does nothing.

# Generate the SSH keys if non-existent

if [ ! -f /etc/ssh/ssh_host_rsa_key ]
then
# else ssh service start in dpkg-reconfigure will fail
systemctl stop ssh.socket||true
dpkg-reconfigure openssh-server
fi

/etc/init.d/enablebluetooth.sh start

exit 0

Step 8: Give execute permission to the files “enablebluetooth.sh” and “rc.local” by using below commands:

sudo -i

chmod +x /etc/rc.local

chmod +x /etc/init.d/enablebluetooth.sh

reboot