NXP Semiconductors
UM11490
Feature Configuration Guide for NXP-based Wireless Modules on i.MX 8M Quad EVK
2.2.5 Start the Access Point
Run the following command to start the Access Point:
root@imx8mqevk:~# killall wpa_supplicant
root@imx8mqevk:~# killall hostapd
root@imx8mqevk:~# ifconfig uap0 192.168.1.2 netmask 255.255.255.0 up
root@imx8mqevk:~# route add default gw 192.168.1.1
Start udhcp server to assign the IP address to the client devices that are connected to
the access point
root@imx8mqevk:~# udhcpd /etc/udhcpd.conf
Command to start the 2.4 GHz Access Point:
root@imx8mqevk:~# hostapd /etc/hostapd-2.4g.conf
Command output example:
Configuration file: /etc/hostapd-2.4g.conf
rfkill: Cannot open RFKILL control device
uap0: interface state UNINITIALIZED->COUNTRY_UPDATE
ACS: Automatic channel selection started, this may take a bit
[ 9618.998539] wlan: SCAN COMPLETED: scanned AP count=1
uap0: interface state COUNTRY_UPDATE->ACS
uap0: ACS-STARTED
[ 9619.479337] wlan: SCAN COMPLETED: scanned AP count=1
[ 9619.959539] wlan: SCAN COMPLETED: scanned AP count=0
[ 9620.439382] wlan: SCAN COMPLETED: scanned AP count=0
[ 9620.919360] wlan: SCAN COMPLETED: scanned AP count=1
uap0: ACS-COMPLETED freq=2412 channel=1[ 9620.933098] wlan: Starting
AP
Using interface uap0 with hwaddr 00:50:43:24:84:c4 and ssid
"NX[ 9620.939164] Get ht_cap from beacon ies: 0xc
P_Demo"
[ 9620.960100] wlan: AP started
[ 9620.964230] Set AC=3, txop=47 cwmin=3, cwmax=7 aifs=1
[ 9620.971787] Set AC=2, txop=94 cwmin=7, cwmax=15 aifs=1
[ 9620.979077] Set AC=0, txop=0 cwmin=15, cwmax=63 aifs=3
[ 9620.986466] Set AC=1, txop=0 cwmin=15, cwmax=1023 aifs=7
uap0: interface state ACS->ENABLED
uap0: AP-ENABLED
UM11490
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User manual
Rev. 2 — 29 January 2021
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