iMX6 Rex Wireless
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On this page PCIe card functionality is shown. Both Bluetooth and WiFi operations are tested using dual band Intel AC 3160 wireless card. Mini PCI Express slot must provide PCIe and USB signals to support all the features.
RF enable
root@imx6-rexultra:~# rfkill list
0: hci0: bluetooth
Soft blocked: yes
Hard blocked: no
1: phy0: wlan
Soft blocked: yes
Hard blocked: no
root@imx6-rexultra:~# rfkill unblock bluetooth
root@imx6-rexultra:~# rfkill unblock wlan
Wireless LAN
List PCIe bus and connected devices
root@imx6-rexultra:~# lspci 00:00.0 PCI bridge: Synopsys, Inc. Device abcd (rev 01) 01:00.0 Network controller: Intel Corporation Wireless 3160 (rev 83)
Kernel log
root@imx6-rexultra:~# dmesg -t | grep -i iwl iwlwifi 0000:01:00.0: enabling device (0140 -> 0142) iwlwifi 0000:01:00.0: loaded firmware version 25.30.13.0 op_mode iwlmvm iwlwifi 0000:01:00.0: Detected Intel(R) Dual Band Wireless AC 3160, REV=0x164 iwlwifi 0000:01:00.0: L1 Disabled - LTR Disabled iwlwifi 0000:01:00.0: L1 Disabled - LTR Disabled ieee80211 phy0: Selected rate control algorithm 'iwl-mvm-rs'
Network scanning
root@imx6-rexultra:~# rfkill unblock wlan
root@imx6-rexultra:~# ip link set wlan0 up
iwlwifi 0000:01:00.0: L1 Disabled - LTR Disabled
iwlwifi 0000:01:00.0: L1 Disabled - LTR Disabled
iwlwifi 0000:01:00.0: L1 Disabled - LTR Disabled
iwlwifi 0000:01:00.0: L1 Disabled - LTR Disabled
root@imx6-rexultra:~# iw dev wlan0 scan
BSS d4:ca:6d:52:74:e1(on wlan0)
TSF: 292600224389 usec (3d, 09:16:40)
freq: 2412
beacon interval: 100 TUs
capability: ESS Privacy ShortPreamble ShortSlotTime (0x0431)
signal: -48.00 dBm
last seen: 0 ms ago
SSID: Test
Supported rates: 1.0* 2.0* 5.5* 11.0* 6.0 9.0 12.0 18.0
DS Parameter set: channel 1
ERP: <no flags>
HT capabilities:
Capabilities: 0x100c
HT20
SM Power Save disabled
No RX STBC
Max AMSDU length: 3839 bytes
DSSS/CCK HT40
Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
Minimum RX AMPDU time spacing: No restriction (0x00)
HT RX MCS rate indexes supported: 0-15
HT TX MCS rate indexes are undefined
RSN: * Version: 1
* Group cipher: CCMP
* Pairwise ciphers: CCMP
* Authentication suites: PSK
* Capabilities: 1-PTKSA-RC 1-GTKSA-RC (0x0000)
Extended supported rates: 24.0 36.0 48.0 54.0
HT operation:
* primary channel: 1
* secondary channel offset: no secondary
* STA channel width: 20 MHz
* RIFS: 0
* HT protection: no
* non-GF present: 0
* OBSS non-GF present: 0
* dual beacon: 0
* dual CTS protection: 0
* STBC beacon: 0
* L-SIG TXOP Prot: 0
* PCO active: 0
* PCO phase: 0
WMM: * Parameter version 1
* BE: CW 15-1023, AIFSN 3
* BK: CW 15-1023, AIFSN 7
* VI: CW 7-15, AIFSN 2, TXOP 3008 usec
* VO: CW 3-7, AIFSN 2, TXOP 1504 usec
Establishing connection and ping test
root@imx6-rexultra:~# rfkill unblock wlan root@imx6-rexultra:~# ip link set wlan0 up iwlwifi 0000:01:00.0: L1 Disabled - LTR Disabled iwlwifi 0000:01:00.0: L1 Disabled - LTR Disabled iwlwifi 0000:01:00.0: L1 Disabled - LTR Disabled iwlwifi 0000:01:00.0: L1 Disabled - LTR Disabled IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready root@imx6-rexultra:~# wpa_supplicant -B -i wlan0 -c /etc/wpa_supplicant.conf Successfully initialized wpa_supplicant root@imx6-rexultra:~# wpa_cli wpa_cli v2.5 Copyright (c) 2004-2015, Jouni Malinen <j@w1.fi> and contributors This software may be distributed under the terms of the BSD license. See README for more details. Selected interface 'wlan0' Interactive mode > scan OK <3>CTRL-EVENT-SCAN-STARTED <3>CTRL-EVENT-SCAN-RESULTS > scan_result bssid / frequency / signal level / flags / ssid d4:ca:6d:52:74:e1 2412 -43 [WPA2-PSK-CCMP][ESS] Test > add_network 0 > set_network 0 ssid "Test" OK > set_network 0 psk "testpassword" OK > enable_network 0 OK <3>CTRL-EVENT-SCAN-STARTED <3>CTRL-EVENT-SCAN-RESULTS wlan0: authenticate with d4:ca:6d:52:74:e1 <3>SME: Trying to authenticate with d4:ca:6d:52:74:e1 (SSID='Test' freq=2412 MHz) wlan0: authenticated <3>Trying to associate with d4:ca:6d:52:74:e1 (SSID='Test' freq=2412 MHz) wlan0: RX AssocResp from d4:ca:6d:52:74:e1 (capab=0x431 status=0 aid=3) wlan0: associated <3>Associated with d4:ca:6d:52:74:e1 <3>WPA: Key negotiation completed with d4:ca:6d:52:74:e1 [PTK=CCMP GTK=CCMP] <3>CTRL-EVENT-CONNECTED - Connection to d4:ca:6d:52:74:e1 completed [id=0 id_str=] > status bssid=d4:ca:6d:52:74:e1 freq=2412 ssid=Stud2 id=0 mode=station pairwise_cipher=CCMP group_cipher=CCMP key_mgmt=WPA2-PSK wpa_state=COMPLETED address=00:1e:64:d0:9c:38 uuid=fa260ade-5597-5cf0-af20-ad9392282172 > save_config OK > quit root@imx6-rexultra:~# udhcpc -i wlan0 udhcpc (v1.24.1) started Sending discover... Sending select for 192.168.100.16... Lease of 192.168.100.16 obtained, lease time 86400 /etc/udhcpc.d/50default: Adding DNS 192.168.100.252 root@imx6-rexultra:~# ping www.google.com PING www.google.com (216.58.214.196) 56(84) bytes of data. 64 bytes from bud02s23-in-f4.1e100.net (216.58.214.196): icmp_seq=1 ttl=49 time=17.0 ms
Bluetooth
List USB bus and devices
root@imx6-rexultra:~# lsusb Bus 001 Device 004: ID 8087:07dc Bus 001 Device 002: ID 0424:2514 Bus 001 Device 001: ID 1d6b:0002
Kernel log
root@imx6-rexultra:~# dmesg -t | grep -i hci0 Bluetooth: hci0: read Intel version: 3707100100012d0d00 bluetooth hci0: Direct firmware load for intel/ibt-hw-37.7.10-fw-1.0.1.2d.d.bseq failed with error -2 bluetooth hci0: Falling back to user helper Bluetooth: hci0: Intel Bluetooth firmware file: intel/ibt-hw-37.7.10-fw-1.0.1.2d.d.bseq Bluetooth: hci0: Intel Bluetooth firmware patch completed and activated
List Bluetooth configuration
root@imx6-rexultra:~# hciconfig -a hci0
hci0: Type: BR/EDR Bus: USB
BD Address: 00:1E:64:D0:9C:3C ACL MTU: 1021:5 SCO MTU: 96:6
DOWN
RX bytes:1181 acl:0 sco:0 events:129 errors:0
TX bytes:21557 acl:0 sco:0 commands:128 errors:0
Features: 0xff 0xfe 0x0f 0xfe 0xdb 0xff 0x7b 0x87
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
Link policy: RSWITCH HOLD SNIFF
Link mode: SLAVE ACCEPT
Connect to Bluetooth device
root@imx6-rexultra:~# rfkill unblock bluetooth
root@imx6-rexultra:~# hciconfig hci0 up
root@imx6-rexultra:~# hciconfig -a hci0
hci0: Type: BR/EDR Bus: USB
BD Address: 00:1E:64:D0:9C:3C ACL MTU: 1021:5 SCO MTU: 96:6
UP RUNNING
RX bytes:1755 acl:0 sco:0 events:159 errors:0
TX bytes:21925 acl:0 sco:0 commands:158 errors:0
Features: 0xff 0xfe 0x0f 0xfe 0xdb 0xff 0x7b 0x87
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
Link policy: RSWITCH HOLD SNIFF
Link mode: SLAVE ACCEPT
Name: 'Bluemoon Universal Bluetooth Host Controller'
Class: 0x001f00
Service Classes: Unspecified
Device Class: Invalid Device Class!
HCI Version: 4.0 (0x6) Revision: 0xf00
LMP Version: 4.0 (0x6) Subversion: 0xf00
Manufacturer: Intel Corp. (2)
root@imx6-rexultra:~# /usr/libexec/bluetooth/bluetoothd &
root@imx6-rexultra:~# bluetoothctl
[NEW] Controller 00:1E:64:D0:9C:3C BlueZ 5.37 [default]
[bluetooth]# power on
Changing power on succeeded
[CHG] Controller 00:1E:64:D0:9C:3C Discoverable: no
[bluetooth]# agent on
Agent registered
[bluetooth]# scan on
Discovery started
[CHG] Controller 00:1E:64:D0:9C:3C Discovering: yes
[NEW] Device 2C:54:CF:3D:30:12 G2 mini
[bluetooth]# pair 2C:54:CF:3D:30:12
Attempting to pair with 2C:54:CF:3D:30:12
[CHG] Device 2C:54:CF:3D:30:12 Connected: yes
Request confirmation
[agent] Confirm passkey 897940 (yes/no): yes
[CHG] Device 2C:54:CF:3D:30:12 Modalias: bluetooth:v00C4p13A1d1000
[CHG] Device 2C:54:CF:3D:30:12 UUIDs: 00001105-0000-1000-8000-00805f9b34fb
[CHG] Device 2C:54:CF:3D:30:12 UUIDs: 00001106-0000-1000-8000-00805f9b34fb
[CHG] Device 2C:54:CF:3D:30:12 UUIDs: 0000110a-0000-1000-8000-00805f9b34fb
[CHG] Device 2C:54:CF:3D:30:12 UUIDs: 0000110c-0000-1000-8000-00805f9b34fb
[CHG] Device 2C:54:CF:3D:30:12 UUIDs: 00001112-0000-1000-8000-00805f9b34fb
[CHG] Device 2C:54:CF:3D:30:12 UUIDs: 00001116-0000-1000-8000-00805f9b34fb
[CHG] Device 2C:54:CF:3D:30:12 UUIDs: 0000111f-0000-1000-8000-00805f9b34fb
[CHG] Device 2C:54:CF:3D:30:12 UUIDs: 0000112d-0000-1000-8000-00805f9b34fb
[CHG] Device 2C:54:CF:3D:30:12 UUIDs: 0000112f-0000-1000-8000-00805f9b34fb
[CHG] Device 2C:54:CF:3D:30:12 UUIDs: 00001132-0000-1000-8000-00805f9b34fb
[CHG] Device 2C:54:CF:3D:30:12 UUIDs: 00001200-0000-1000-8000-00805f9b34fb
[CHG] Device 2C:54:CF:3D:30:12 UUIDs: 00001800-0000-1000-8000-00805f9b34fb
[CHG] Device 2C:54:CF:3D:30:12 UUIDs: 00001801-0000-1000-8000-00805f9b34fb
[CHG] Device 2C:54:CF:3D:30:12 Paired: yes
Pairing successful
[CHG] Device 2C:54:CF:3D:30:12 Connected: no
[bluetooth]# scan off
[CHG] Device 2C:54:CF:3D:30:12 RSSI is nil
[CHG] Controller 00:1E:64:D0:9C:3C Discovering: no
Discovery stopped
[bluetooth]# d
Invalid command
[bluetooth]# devices
Device 2C:54:CF:3D:30:12 G2 mini
[bluetooth]# connect 2C:54:CF:3D:30:12
Attempting to connect to 2C:54:CF:3D:30:12
[CHG] Device 2C:54:CF:3D:30:12 Connected: yes
Connection successful
[G2 mini]# info 2C:54:CF:3D:30:12
Device 2C:54:CF:3D:30:12
Name: G2 mini
Alias: G2 mini
Class: 0x5a020c
Icon: phone
Paired: yes
Trusted: no
Blocked: no
Connected: yes
LegacyPairing: no
UUID: OBEX Object Push (00001105-0000-1000-8000-00805f9b34fb)
UUID: OBEX File Transfer (00001106-0000-1000-8000-00805f9b34fb)
UUID: Audio Source (0000110a-0000-1000-8000-00805f9b34fb)
UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
UUID: Headset AG (00001112-0000-1000-8000-00805f9b34fb)
UUID: NAP (00001116-0000-1000-8000-00805f9b34fb)
UUID: Handsfree Audio Gateway (0000111f-0000-1000-8000-00805f9b34fb)
UUID: SIM Access (0000112d-0000-1000-8000-00805f9b34fb)
UUID: Phonebook Access Server (0000112f-0000-1000-8000-00805f9b34fb)
UUID: Message Access Server (00001132-0000-1000-8000-00805f9b34fb)
UUID: PnP Information (00001200-0000-1000-8000-00805f9b34fb)
UUID: Generic Access Profile (00001800-0000-1000-8000-00805f9b34fb)
UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
Modalias: bluetooth:v00C4p13A1d1000
[G2 mini]# quit
Agent unregistered
[DEL] Controller 00:1E:64:D0:9C:3C BlueZ 5.37 [default]