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beaglev-ahead/Bluetooth.md
Robert Nelson e906a99d44 Update Bluetooth.md: drop -d in normal setup...
2023-06-10 12:08:47 -04:00

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Setup Bluetooth

To connect to wifi we will be using wpa_cli tool, first we need to set the credentials for the wifi and then we will initialize the connection by reconfiguiring the wlan0 interface to use new credentials. we use brcm_patchram_plus tool to setup bluetooth, first we need to trigger reset pin, then upload bluetooth fw.

#trigger reset pin
gpioset gpiochip2 28=0
gpioset gpiochip2 28=1

#upload fw
brcm_patchram_plus --enable_hci --no2bytes --tosleep 200000 --baudrate 3000000 --patchram /lib/firmware/BCM43013A0_001.001.006.1073.1102.hcd /dev/ttyS4 &

Setup Bluetooth (with Debug)

#upload fw
brcm_patchram_plus -d --enable_hci --no2bytes --tosleep 200000 --baudrate 3000000 --patchram /lib/firmware/BCM43013A0_001.001.006.1073.1102.hcd /dev/ttyS4 &

Check bluetooth interface

root@BeagleV:~# hciconfig 
hci0:	Type: Primary  Bus: UART
	BD Address: B8:13:32:EC:59:8B  ACL MTU: 1021:8  SCO MTU: 64:1
	DOWN 
	RX bytes:733 acl:0 sco:0 events:42 errors:0
	TX bytes:464 acl:0 sco:0 commands:42 errors:0

Using bluetoothctl tool

root@BeagleV:~# bluetoothctl 
Agent registered
[CHG] Controller B8:13:32:EC:59:8B Pairable: yes
[bluetooth]# scan on
Discovery started
[CHG] Controller B8:13:32:EC:59:8B Discovering: yes
[NEW] Device 40:97:1C:DF:8B:BD 40-97-1C-DF-8B-BD
[NEW] Device 43:07:E7:3F:85:84 43-07-E7-3F-85-84
[CHG] Device 43:07:E7:3F:85:84 RSSI: -91
[bluetooth]# quit