基本信息支持的设备

• MY-IMX6-A9系列：MY-IMX6-EK200、MY-IMX6-EK314、MY-IMX6-EK336

测试使用的设备

• 开发板型号：MY-IMX6-EK200-6Q
• 内核版本：Linux-3.14.52
• 文件系统：distro-fsl-imx-fb-image-qt5.tar.bz2

测试使用的模块型号

• 模块型号：RTL8188EUS

测试操作检查系统是否已经识别到模块# lsusb ...... Bus 001 Device 004: ID 0bda:8179 Realtek Semiconductor Corp. ...... 基于 RTL8188EUS v4.3.0.9 驱动的测试

• Insert a module into the Linux Kernel

# insmod ~/my-demo/MY_8188EUS_V4309_L31452_IMX6A9.ko RTL871X: module init start RTL871X: rtl8188eu v4.3.0.9_15178.20150907 bFWReady == _FALSE call reset 8051... RTL871X: rtw_ndev_init(wlan0) usbcore: registered new interface driver rtl8188eu RTL871X: module init ret=0

• Configuration
  Generate a WPA PSK from an ASCII passphrase for a SSID
  usage: wpa_passphrase <ssid> [passphrase]

# wpa_passphrase MYZR-OPEN Myzr2012 > /etc/wpa_supplicant.conf

• Connection

# wpa_supplicant -B -i wlan0 -c /etc/wpa_supplicant.conf Successfully initialized wpa_supplicant rfkill: Cannot open RFKILL control device ==> rtl8188e_iol_efuse_patch IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready RTL871X: rtw_set_802_11_connect(wlan0) fw_state=0x00000008 RTL871X: start auth RTL871X: auth success, start assoc RTL871X: assoc success IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready RsvdPageNum: 8 RTL871X: recv eapol packet RTL871X: send eapol packet RTL871X: recv eapol packet RTL871X: send eapol packet RTL871X: set pairwise key camid:4, addr:e4:d3:32:85:d4:7c, kid:0, type:AES RTL871X: set group key camid:5, addr:e4:d3:32:85:d4:7c, kid:1, type:AES

• Get IP address

# udhcpc -i wlan0 udhcpc (v1.23.1) started Sending discover... Sending select for 192.168.124.107... Lease of 192.168.124.107 obtained, lease time 7200 /etc/udhcpc.d/50default: Adding DNS 114.114.114.114 /etc/udhcpc.d/50default: Adding DNS 114.114.115.115

• Network test

# ping -I wlan0 www.baidu.com -c 2 -w 4 PING www.baidu.com (14.215.177.39): 56 data bytes 64 bytes from 14.215.177.39: seq=0 ttl=50 time=39.166 ms 64 bytes from 14.215.177.39: seq=1 ttl=50 time=13.345 ms --- www.baidu.com ping statistics --- 2 packets transmitted, 2 packets received, 0% packet loss round-trip min/avg/max = 13.345/26.255/39.166 ms

• Remove a module from the Linux Kernel

# rmmod 8188eu RTL871X: module exit start usbcore: deregistering interface driver rtl8188eu RTL871X: rtw_cmd_thread: DriverStopped(1) SurpriseRemoved(0) break at line 478 RTL871X: rtw_ndev_uninit(wlan0) RTL871X: rtw_dev_unload: driver not in IPS usb 1-1.4: reset high-speed USB device number 4 using ci_hdrc RTL871X: module exit success 基于 RTL8188EUS v5.2.2.2 驱动的测试

• Insert a module into the Linux Kernel

# insmod ~/my-demo/MY_8188EUS_V5222_L31452_IMX6A9.ko bFWReady == _FALSE call reset 8051... usbcore: registered new interface driver rtl8188eu

• Configuration
  Generate a WPA PSK from an ASCII passphrase for a SSID
  usage: wpa_passphrase <ssid> [passphrase]

# wpa_passphrase MYZR-OPEN Myzr2012 > /etc/wpa_supplicant.conf

• Connection

# wpa_supplicant -B -i wlan0 -c /etc/wpa_supplicant.conf Successfully initialized wpa_supplicant rfkill: Cannot open RFKILL control device ==> rtl8188e_iol_efuse_patch IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready

• Get IP address

# udhcpc -i wlan0 udhcpc (v1.23.1) started Sending discover... Sending select for 192.168.124.107... Lease of 192.168.124.107 obtained, lease time 7200 /etc/udhcpc.d/50default: Adding DNS 114.114.114.114 /etc/udhcpc.d/50default: Adding DNS 114.114.115.115

• Network test

# ping -I wlan0 www.baidu.com -c 2 -w 4 PING www.baidu.com (14.215.177.39): 56 data bytes 64 bytes from 14.215.177.39: seq=0 ttl=50 time=17.374 ms 64 bytes from 14.215.177.39: seq=1 ttl=50 time=16.391 ms --- www.baidu.com ping statistics --- 2 packets transmitted, 2 packets received, 0% packet loss round-trip min/avg/max = 16.391/16.882/17.374 ms

• Remove a module from the Linux Kernel

# rmmod 8188eu usbcore: deregistering interface driver rtl8188eu cfg80211: Calling CRDA to update world regulatory domain usb 1-1.4: reset high-speed USB device number 4 using ci_hdrc 基于 RTL8188EUS v5.2.2.4 驱动的测试

• Insert a module into the Linux Kernel

# insmod ~/my-demo/MY_8188EUS_V5224_L31452_IMX6A9.ko bFWReady == _FALSE call reset 8051... usbcore: registered new interface driver rtl8188eu

• Configuration
  Generate a WPA PSK from an ASCII passphrase for a SSID
  usage: wpa_passphrase <ssid> [passphrase]

# wpa_passphrase MYZR-OPEN Myzr2012 > /etc/wpa_supplicant.conf

• Connection

# wpa_supplicant -B -i wlan0 -c /etc/wpa_supplicant.conf Successfully initialized wpa_supplicant rfkill: Cannot open RFKILL control device ==> rtl8188e_iol_efuse_patch IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready ==> rtl8188e_iol_efuse_patch IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready

• Get IP address

# udhcpc -i wlan0 udhcpc (v1.23.1) started Sending discover... Sending select for 192.168.124.107... Lease of 192.168.124.107 obtained, lease time 7200 /etc/udhcpc.d/50default: Adding DNS 114.114.114.114 /etc/udhcpc.d/50default: Adding DNS 114.114.115.115

• Network test

# ping -I wlan0 www.baidu.com -c 2 -w 4 PING www.baidu.com (14.215.177.38): 56 data bytes 64 bytes from 14.215.177.38: seq=0 ttl=49 time=25.993 ms 64 bytes from 14.215.177.38: seq=1 ttl=49 time=15.585 ms --- www.baidu.com ping statistics --- 2 packets transmitted, 2 packets received, 0% packet loss round-trip min/avg/max = 15.585/20.789/25.993 ms

• Remove a module from the Linux Kernel

# rmmod 8188eu usbcore: deregistering interface driver rtl8188eu cfg80211: Calling CRDA to update world regulatory domain usb 1-1.4: reset high-speed USB device number 4 using ci_hdrc