ROM-5620 User Manual 26
4.1.4 WIFI/BT Test
Test WiFi card (EWM-W163M201E PCIe signal)
Ping network
Test Bluetooth (EWM-W163M201E USB signal)
4.1.5 UART Test
A. RS-232 Test:
Loopback Test (eg. ttyLP1)
UART 1: Change SW7 jumper to switch modes. (1ON 2OFF: RS-232)
# killall wpa_supplicant
# ifconfig wlan0 up
# wpa_passphrase "SSID" "PASSWORD" > /tmp/wpa.conf
# wpa_supplicant -BDwext -iwlan0 -c/tmp/wpa.conf
# udhcpc -b -i wlan0
ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=54 time=2.10 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=54 time=2.10 ms
$ hciconfig hci0 up
$ bluetoothctl
$ discoverable on
$ pairable on
$ scan on
[NEW] FC:18:3C:8D:75:F4 myphone
$ scan off
$ pair FC:18:3C:8D:75:F4
$ connect FC:18:3C:8D:75:F4
ROM-5620 (i.MX8X) ROM-DB5901 Carrier Board COM Port Name
/dev/ttyLP0
COM3 (Default as Debug Console, 2-wire, can be used as normal
UART by SW1 setting on ROM-5620)
/dev/ttyLP1 COM0 or M.2 (by CN27,CN28, CN29, CN30 jumper setting, 4-wire)
/dev/ttyLP2 COM1 (2-wire)
- COM2 (2-wire, for SCU message only)