Skywire® Development Kit Using the USB Qualcomm MSM Interface(QMI) Protocol in Linux
■This document describes using the Qualcomm MSM (Mobile Station Modems) Interface (QMI) protocol to interface a Skywire® 4G modem over USB to the Linux operating system and access the 4G network as an IP interface.
■With the protocol in place, the interface to the modem looks more like an Ethernet device than a serial communication device. It is therefore more efficient in terms of moving data in and out of the Linux network stack.
■Examples provided have been tested with:
▲NL-SW-LTE-TSVG firmware version 17.00.573
▲NL-SW-LTE-TNAG firmware version 1x.xx.x.x
■Hardware setup is the Skywire modem plugged into the Skywire Development Kit and USB cable connecting Mini-USB connector J5 into:
▲BeagleBone Black USB host port or Raspberry Pi USB host port
■Alternative configuration is the Skywire modem plugged into BeagleBone Black Cape (NL-AB-BBBC) and Cape plugged into BeageleBone Black with USB cable connecting the Cape to the BeagleBone USB Host port.
■These examples were prepared using Arch Linux (release as of 04/01/2015) on the Raspberry Pi and the Beaglebone.
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NL-SWDK 、 NL-AB-BBBC 、 NL-SW-LTE-TSVG 、 NL-SW-LTE-TNAG 、 NL-SW-LTE-TEUG |
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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June 2015 |
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rev 1 |
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30052 |
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474 KB |
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