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9.

Wireless Communication Check

Following explains how to check IP communication for a wireless connection after SX-

NEWAH-EVK is turned on in AP/STA mode.

* Before using this product, make sure that a specific low-power radio station is not operating

nearby. If a specific low-power radio station is operated, interference may occur.

Necessary Items

Prepare two SX-NEWAH-EVK units to which the configuration has been made according to

Chapter 7. For the IP address of eth0 (Ethernet I/F) of Raspberry Pi, configure the appropriate

one.

*

For the IP address configuration method, refer to “

How to Change IP Address of

Raspberry Pi’s e

th0 (Ethernet I/F)

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Содержание SX-NEWAH

Страница 1: ...SX NEWAH EVK Start UP Guide silex Technology Inc ...

Страница 2: ...on 1 Outline 2 Feature 3 Notifications 4 Specifications 5 Before You Begin 6 EVK Composition 7 Environment Setup 8 Device Connection 9 Wireless Communication Check 10 Troubleshooting 11 Appendix Revision History ...

Страница 3: ...Introduction ...

Страница 4: ... of SX NEWAH can be used The wireless distance and throughput vary depending on your environment 2 Feature IEEE 802 11ah support NEWRACOM NRC7292 chipset 1 2 4MHz bandwidth MCS0 7 MCS10 transfer rate MCS10 can be used only when the bandwidth is 1MHz WPA3 SAE OWE The wireless setting can be retrieved and configured using a special utility MHF1 connector installed for external antennas SPI host inte...

Страница 5: ...odifying the radio module leads to punishment based on radio law This equipment t has the exposed connectors or some devices Please be careful for electro static condensing and other dusts In the case using the other wireless devices using same frequency band around this product please take care below See IEEE802 11 2012 The module is possibly interfered when strong signal is input The other wirel...

Страница 6: ... can be used only when the bandwidth is 1MHz Transmission rate Kbps 150Kbps 15Mbps Encryption method WPA2 PSK WPA3 SAE OWE Antenna connector MHF1 connector x 1 Host interface SPI Operating voltage VDD33 3 3V VDDFEM 3 3V or 4 0V Consumption current peak value Transmission VDD33 98mA VDDFEM 570mA Reception VDD33 55mA VDDFEM 28mA Operating conditions Temperature 40 to 85 Humidity 15 to 95 RH no conde...

Страница 7: ...VK PC Windows 10 or higher is recommended Optional Please prepare as necessary Ethernet cable HDMI compatible monitor HDMI cable USB keyboard mouse micro SD card reader writer Terminal software e g Tera Term etc In this document Tera Term Version 4 102 is used Software to write an SD card image e g Win32 Disk Imager etc In this document Win32 Disk Imager Version 1 0 is used Refer to 7 2 2 for how ...

Страница 8: ...6 EVK Composition Outline ...

Страница 9: ...the SW1 according to the below image 1 Connect SX NEWAH EVK and Raspberry Pi according to the image below 2 Connect the antenna of SX NEWAH to the SMA connector 3 Connect the AC adaptor of SX NEWAH EVK to the power connector 4 Connect the AC adaptor of Raspberry Pi ...

Страница 10: ...onment Download Win32 Disk Imager from the URL below https sourceforge net projects win32diskimager Execute the installer you have downloaded and install it according to the instructions When the installation is completed insert the micro SD card into your PC when your PC does not support direct connection of a micro SD card use a micro SD card reader 1 When the Win32 Disk Imager is started the be...

Страница 11: ...Click the button to show the file selection window Select the image file to write The file name will vary depending on the version ...

Страница 12: ... Select the image to write and then click Write 5 When the confirmation message appears check the drive and click Yes 6 When the write process is completed successfully the message below appears Click OK ...

Страница 13: ... 7 Click Exit 8 Remove a micro SD card from the PC 9 Insert the micro SD card to Raspberry Pi ...

Страница 14: ...e is the connection using HDMI GUI of Raspberry Pi and the other is the connection using a network access SSH from a PC Connect a monitor mouse and keyboard to Raspberry Pi 1 When Raspberry Pi is turned on the login performs automatically and the desktop screen appears ...

Страница 15: ... 2 Start Terminal LXTerminal from the menu ...

Страница 16: ...o the same segment as the Raspberry Pi Setting example IP address 192 168 0 1 Subnet mask 255 255 255 0 Connect a PC and Raspberry Pi using an Ethernet cable 1 Start the terminal software 2 Enter 192 168 0 10 for the host and 22 for the TCP port 3 Select SSH for Service and click OK ...

Страница 17: ... 4 If the below window is displayed click Continue 5 Enter User name and Passphrase and click OK User name pi Passphrase raspberry 6 When the below screen appears the login is completed ...

Страница 18: ......

Страница 19: ...io station is not operating nearby If a specific low power radio station is operated interference may occur Necessary Items Prepare two SX NEWAH EVK units to which the configuration has been made according to Chapter 7 For the IP address of eth0 Ethernet I F of Raspberry Pi configure the appropriate one For the IP address configuration method refer to 11 2 How to Change IP Address of Raspberry Pi ...

Страница 20: ...gregation size Command maxagg ac max num size Command sample set maxagg 0 8 Command argument ac Access Category 0 BK 1 BE 2 VI 3 VO max_num 1 13 Aggregation size 0 Aggregation disabled Size Data size threshold for aggregation option 0 is set when not specified The data frame is aggregated when the total size of the MAC layer is larger than the threshold When 0 is set all data frames are aggregated...

Страница 21: ... Hostapd start IP address configuration for a wireless interface ...

Страница 22: ... Command List of the specification document SC111270 Driver load Be sure to wait for 5 or more seconds before starting after finishing Active a wireless interface Tx power setting The configuration method and the specification are the same as AP mode Maximum Aggregation size The configuration method and the specification are the same as AP mode Guard interval The configuration method and the speci...

Страница 23: ...92 168 200 2 Specify the destination IP address to communicate with In the sample command the destination is set to 192 168 200 2 c 100 Specify the number of ping communications In the sample command it is set to 100 times i 0 2 Specify the interval of ping communication second In the sample command it is set to 0 2 sec s 100 Specify the ping data size byte In the sample command it is set to 100By...

Страница 24: ...val is set to 10 sec Start the STA mode unit as a client of iperf do it after the server is started iperf c 192 168 200 1 u b 50M i 10 t 60 Explanations of parameters in the above sample command Parameters Meaning c 192 168 200 1 Start iperf as a client and specify the IP address of the server In the sample command 192 168 200 1 is set for the server u Specify that the iperf communication runs in ...

Страница 25: ... on and the specified period the period specified by t option has elapsed NOTE Make sure that the AP mode unit and STA mode unit are not placed too close together Wireless communication may not be stable in an environment where signal strength is strong as the distance is too short It is recommended to keep the devices at least 3 m apart ...

Страница 26: ...SX NEWAH EVK and try again Wireless connection between AP and STA is not established Check that the settings described in the configuration files are correct for both AP and STA ap_halow_ conf or sta_halow_ conf When WPA2 PSK WPA3 SAE OWE is used Check that the settings e g wpa_passphrase IEEE 802 11w etc are identical between the AP s and STA s configuration files ap_halow_ conf or sta_halow_ con...

Страница 27: ...onf SX_PKG conf US STA configuration file open mode sta_halow_wpa2 conf SX_PKG conf US STA configuration file WPA2 PSK sta_halow_owe conf SX_PKG conf US STA configuration file WPA3 OWE sta_halow_sae conf SX_PKG conf US STA configuration file WPA3 SAE nrc ko lib modules 4 14 70 v7 SX NEWAH Host driver nrc7292_cspi bin lib firmware SX NEWAH firmware SX_PKG home pi sx newah Please refer to hostapd co...

Страница 28: ...Following explains how to change the IP address of Raspberry Pi s eth0 Ethernet I F Login according to 8 2 When SSH is Used On the SSH console execute sudo nano etc dhcpcd conf ...

Страница 29: ... Change the below IP address to a desired one ...

Страница 30: ... Press Ctrl O Press the Enter key and press Ctrl X ...

Страница 31: ... Execute sudo poweroff Restart Raspberry Pi When Raspberry Pi is started next time the specified value is used as an IP address of eth0 ...

Страница 32: ...Revision History ...

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