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  • create the /lib/firmware/brcm directory

  • copy the firmware files to the /lib/firmware/brcm directory on the board:

    • View file
      namebrcmfmac43241b4-sdio.txt

    • View file
      namebrcmfmac43241b4-sdio.emcraft,stm32mp1-som.bin

  • reboot the board.

1. WiFi

Use the following step-wise procedure to enable WiFi on the board:

  1. Initialize the wpa_supplicant module:

    Code Block
    / # wpa_supplicant -i wlan0 -c /etc/wpa_supplicant.conf -B
Successfully initialized wpa_supplicant

  2. In another Linux shell window, validate that you can see the Access Points in the vicinity of the board:

    Code Block
    / # wpa_cli -i wlan0 scan
OK
/ # wpa_cli -i wlan0 scan_results
bssid / frequency / signal level / flags / ssid
ec:43:f6:02:75:54       2437    -75     [WPA2-PSK-CCMP][ESS]    Maxim
c0:25:e9:05:55:1e       2412    -83     [WPA2-PSK-CCMP][WPS][ESS]       Hone-120
ec:43:f6:e1:4a:d8       2422    -24     [WPA2-PSK-CCMP][WPS][ESS]       Tik
16:2d:27:5e:54:d4       2432    -72     [WPA2-PSK-CCMP][WPS][ESS][P2P]  DIRECT-YQ-BRAVIA
ea:28:5d:7b:5a:f8       2432    -78     [WPA2-PSK-CCMP][WPS][ESS]       ELDAR
ec:43:f6:e1:4a:da       5180    -82     [WPA2-PSK-CCMP][WPS][ESS]       Tik5
14:dd:a9:f0:bf:08       2437    -87     [WPA2-PSK-CCMP][WPS][ESS]       Gnomiki
c8:3a:35:18:7b:21       2452    -87     [WPA-PSK-CCMP][WPA2-PSK-CCMP][WPS][ESS] Dom
08:60:6e:e1:66:0c       2437    -87     [WPA2-PSK-CCMP][WPS][ESS]       Ioanna
3c:15:c2:f4:05:66       2462    -88     [WPA2-PSK-CCMP][ESS]    Air Network
bc:ee:7b:e4:24:58       2457    -85     [WPA2-PSK-CCMP][ESS]
b0:6e:bf:d8:a7:78       2467    -87     [WPA2-PSK-CCMP][WPS][ESS]       Nastya1

  3. Disable eth0, connect to the Internet over WiFi:

    Code Block
    / # ifconfig eth0 down
/ # wpa_cli -i wlan0 add_network 
1
/ # wpa_cli -i wlan0 set_network 1 ssid '"name-of-access-point"'
OK
/ # wpa_cli -i wlan0 set_network 1 psk '"password-to-access-point"'
OK
/ # wpa_cli -i wlan0 enable_network 1
OK
[  284.555912] wlan0: authenticate with ec:43:f6:e1:4a:d8
[  284.627134] wlan0: send auth to ec:43:f6:e1:4a:d8 (try 1/3)
[  284.634605] wlan0: authenticated
[  284.639897] wlan0: associate with ec:43:f6:e1:4a:d8 (try 1/3)
[  284.649323] wlan0: RX AssocResp from ec:43:f6:e1:4a:d8 (capab=0x411 status=0 aid=1)
[  284.660116] wlan0: associated
/ # udhcpc -i wlan0
Sending discover...
Sending select for 192.168.1.35...
Lease of 192.168.1.35 obtained, lease time 25200
/etc/udhcpc.d/50default: Adding DNS 8.8.8.8
/etc/udhcpc.d/50default: Adding DNS 192.168.1.1

  4. Ping a public host:

    Code Block
    / # ping -c 3 google.com
PING google.com (74.125.205.101) 56(84) bytes of data.
64 bytes from le-in-f101.1e100.net (74.125.205.101): icmp_seq=1 ttl=47 time=18.5 ms
64 bytes from le-in-f101.1e100.net (74.125.205.101): icmp_seq=2 ttl=47 time=20.7 ms
64 bytes from le-in-f101.1e100.net (74.125.205.101): icmp_seq=3 ttl=47 time=20.9 ms

--- google.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2004ms
rtt min/avg/max/mdev = 18.593/20.102/20.930/1.075 ms

2. Bluetooth

Use the following step-wise procedure:

...