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How to setup Marvell bluetooth

502 bytes added, 18:40, 1 October 2015

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To read CSR chip version

<pre>

root@igep0020:~# bccmd -t bcsp -d /dev/ttyO1 chiprev

Chip revision: 0x0030 (BC4-ROM)

</pre>

And send the file using the bccmd tool.

<pre>

# bccmd -t bcsp -d /dev/ttyO1 psload -r bluez.psr

Loading PSKEY_LC_ENHANCED_POWER_TABLE ... done

<pre>

# hciattach -s 115200 /dev/ttyO1 bcsp 115200 noflow# hciconfig hci0 up# hciconfig hci0 piscan# hciconfig -a hci0

hci0: Type: UART

BD Address: 00:02:5B:00:A5:A5 ACL MTU: 310:10 SCO MTU: 64:8

=== Scan for HCI bluetooth peer devices ===

<pre>

# hcitool -i hci0 scan

Scanning ...

00:1E:A4:FC:EC:2E Phone

</pre>

=== Ping bluetooth peer device ===

<pre>

root@igep00x0:/etc/bluetooth# l2ping -c 4 00:1E:A4:FC:EC:2E

Ping: 00:1E:A4:FC:EC:2E from 00:02:5B:00:A5:A5 (data size 44) ...

44 bytes from 00:1E:A4:FC:EC:2E id 0 time 38.79ms

44 bytes from 00:1E:A4:FC:EC:2E id 1 time 38.60ms

44 bytes from 00:1E:A4:FC:EC:2E id 2 time 38.66ms

44 bytes from 00:1E:A4:FC:EC:2E id 3 time 538.79ms

4 sent, 4 received, 0% loss

</pre>

== Others ==

=== Switch-off wifi to get better bluetooth performance ===

For best performance you need to disable WIFI, you can do this:<br><br>Disable wlan0 interface<pre>ifconfig wlan0 down</pre> Switch-off "power down" line of wifi* For IGEPv2 RevC ('''IGEP0020-RC''') and IGEP COM MODULE ('''IGEP0030-RE''') series

<pre>

# echo 0 > /sys/class/gpio/gpio138/value

</pre>

* Older For older IGEPv2 RevB ('''IGEP0020-RB''') series

<pre>

# echo 0 > /sys/class/gpio/gpio94/value

</pre>

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