NimbeLink Skywire Manuel utilisateur

Skywire® Raspberry Pi Adapter

User Manual

NimbeLink Corp

Updated: October 2017

PN 1001407 rev 1© NimbeLink Corp. 2017. All rights reserved. 1

Table of Contents

Table of Contents 2

Introduction 3

Overview 3

Product Description 3

Orderable Parts 4

Compatible Raspberry Pi Models 4

Additional Resources 4

Technical Specifications 5

Block Diagram 5

Pinout 6

Getting Started 7

SSH 8

Configure the Raspberry Pi to allow SSH. 8

Configure the Raspberry Pi's Ethernet to have a static IP. 8

Configure your PC to have a static IP in the same subnet. 8

Test the SSH Connection. 9

Disable the Serial Console 9

Activate Modem (one-time step) 10

Attaching the adapter 10

Skywire Placement 10

Connect the U.FL Antenna Cables 11

RPI Standoffs 11

Adapter Placement 12

Connect USB 12

Attach Antennas 13

Attach the Ethernet cable 13

Apply Power 14

Connect 14

Device Tree Overlay 15

Skywire Serial Interfacing 16

Skywire USB Interfacing 17

Grove Connectors 17

Additional Resources 18

PN 1001407 rev 1© NimbeLink Corp. 2017. All rights reserved. 2

1. Introduction

1.1 Overview

This document is the System Reference Manual for the Skywire® Raspberry Pi

Adapter. Throughout the document Skywire  Raspberry Pi Adapter will often be

referred to as "the adapter," although it may be referred to by its full name.

The NimbeLink Skywire modem is available with bundled data plans from leading

cellular carriers.

The Skywire cellular modem and antennas are sold separately.

Make sure you check NimbeLink's Skywire Raspberry Pi Adapter product page

for the most up to date information.

This guide was written and tested using the 2017-04-10 Raspbian release.

1.2 Product Description

The Skywire Raspberry Pi Adapter allows Raspberry Pis to gain easy access to

the Internet of Things (IoT) via any of the Skywire plug-in cellular modems. The

Raspberry Pi is a low-cost, community-supported development platform that

allows quick, easy application development. It accepts plug-in boards called

“hats” or "adapters" that allow a wide variety of expanded capabilities. The

Skywire Raspberry Pi Adapter supports any of NimbeLink’s end-device certified

Skywire plug-in cellular modems with optional bundled, no-contract cellular plans.

In addition to cellular connectivity the adapter offers:

● A 5V Power Supply input via a 2.1mm DC barrel Jack

● Compatibility with the Raspberry Pi 3B and the Raspberry Pi Compute

Module 3 I/O Board

● Two Grove sensor interfaces for unlimited sensor flexibility

Fast, easy prototyping made possible by the Skywire Raspberry Pi Adapter.

PN 1001407 rev 1© NimbeLink Corp. 2017. All rights reserved. 3

1.3 Orderable Parts

Number

Description

Manufacturer

Carrier

Network Type

NL-AB-RPI

Skywire Raspberry Pi

Development Kit

NimbeLink

NL-SW-LTE-SVZM20-ES

Skywire, 4G LTE CAT M1,

Verizon, Engineering Sample

NimbeLink

Verizon

4G LTE

NL-SW-LTE-GELS3-C

Skywire, 4G LTE CAT 1,

Verizon

NimbeLink

Verizon

4G LTE

NL-SW-LTE-WM14-B

Skywire, 4G LTE CAT 1, AT&T,

T-Mobile

NimbeLink

AT&T,

T-Mobile

4G LTE

NL-SW-LTE-TSVG

Skywire, 4G LTE CAT 3, w/

GNSS, Verizon

NimbeLink

Verizon

4G LTE

NL-SW-LTE-TNAG-B

Skywire, 4G LTE CAT 3, w/

GNSS, AT&T, T-Mobile

NimbeLink

AT&T,

T-Mobile

4G LTE

NL-SW-LTE-S7588-T

Skywire, 4G LTE CAT 4, AT&T,

T-Mobile

NimbeLink

Verizon

4G LTE

NL-SW-LTE-S7588-V

Skywire, 4G LTE CAT 4,

Verizon

NimbeLink

AT&T,

T-Mobile

4G LTE

TG.08.0113

Monopole Cellular Antenna

Taoglas

TG.30.8113

Dipole Cellular Antenna

Taoglas

SWI18-5-N-P6

5V 3A Power Supply

CUI

709670110

11mm Snap-on Standoffs

Wurth

Electronics

1.4 Compatible Raspberry Pi Models

The following models of the Raspberry Pi have been tested and are confirmed to be

compatible with the NL-AB-RPI. Additional Raspberry Pi models supporting the 40 pin

GPIO interface  are likely to be compatible, but have not been evaluated.

●Raspberry Pi 3

●Raspberry Pi Compute Module 3 I/O Board

1.5 Additional Resources

●NimbeLink's Skywire Raspberry Pi Development Kit Product Page

PN 1001407 rev 1© NimbeLink Corp. 2017. All rights reserved. 4

2. Technical Specifications

2.1. Block Diagram

PN 1001407 rev 1© NimbeLink Corp. 2017. All rights reserved. 5

2.2. Pinout

Connector

Direction

RPI GPIO Name

Connection

Notes

J8-3/J11-1

Input

GPIO02

J10 Grove I2C SDA

  See Note 1

J8-5/J11-3

I/O

GPIO03

J10 Grove I2C SCL

  See Note 1

J8-7/J11-4

Output

GPIO04

4V Regulator Enable

J8-29/J11-11

I/O

GPIO05

J9 Grove GPIO5

 See Note 1

J8-31/J11-13

I/O

GPIO06

J9 Grove GPIO6

 See Note 1

J8-26/J11-15

Input

GPIO07

EEPROM WP

J8-32/J11-25

Input

GPIO12

Skywire ON/Sleep

J8-33/J11-27

I/O

GPIO13

Skywire ADC

J8-8/J11-29

Output

GPIO14

Skywire DIN

J8-10/J11-31

Input

GPIO15

Skywire DOUT

J8-36/J11-33

Input

GPIO16

Skywire CTS

J8-11/J11-35

Output

GPIO17

Skywire RTS

J8-12/J11-37

Output

GPIO18

4V Regulator PG

J8-15/J11-45

I/O

GPIO22

Skywire DIO2

 See Note 1, 2

J8-16/J11-47

I/O

GPIO23

Skywire DIO3

 See Note 1, 2

J8-18/J11-49

Input

GPIO24

Skywire ON-OFF

J8-22/J11-51

Input

GPIO25

Skywire Reset

J8-13/J11-55

Input

GPIO27

Skywire DTR

J8-28/J11-3

Input

ID_SC

I2C ID SCL

J8-27/J11-1

I/O

ID_SD

I2C ID SDA

*Note 1: Not configured by DTO

*Note 2: Not connected by default, optional 0 ohm jumper can be connected to use the signal.

*Note 3: J8 is the adapters 40 pin connector for the RPI 3 and J11 is the 60 pin connector for the CM3 I/O board.

PN 1001407 rev 1© NimbeLink Corp. 2017. All rights reserved. 6

3. Getting Started

The following steps will walk users through how to set up their Raspberry Pi 3 for

use with the Skywire Raspberry Pi Adapter.

This guide is written with an expectation that users are experienced with

interfacing with the Raspberry Pi. Users who have not used a Raspberry Pi

before should review the Raspberry Pi Foundation's getting started

documentation before attempting this guide.

The Skywire Raspberry Pi Adapter will automatically configure the Raspberry Pi's

serial port to be used for connecting to the Skywire modem. The Raspberry Pi's

serial console must be disabled.

To access the Raspberry Pi's console it is recommended that users configure

their RPI to allow for SSH over a direct Ethernet connection between a PC and

the Raspberry Pi, as detailed in section 3.1.

Users are recommended to configure their Raspberry Pi for SSH and to disable

the serial console before connecting the Skywire Adapter to their Raspberry Pi.

This allows users to do the pre-configurations steps for disabling the serial port

and configuring SSH over the GUI interface, SSH (if already configured) or

through the serial port. During these steps users will need to power their

Raspberry Pi through its usb power interface.

PN 1001407 rev 1© NimbeLink Corp. 2017. All rights reserved. 7

3.1. SSH

The following steps will walk users through how to configure their Raspberry Pi

and their Windows PC to allow for SSH over a direct Ethernet connection. Both

the PC and the Raspberry Pi will be configured to to have static IPs on the same

subnet.

For additional instructions on how to enable SSH on a Raspberry Pi please refer

to the Raspberry Pi Foundation's SSH documentation.

3.1.1.Configure the Raspberry Pi to allow SSH.

1. Enter sudo



raspi-config





in a terminal window.

2. Select Interfacing Options.

3. Navigate to and select SSH.

4. Select Yes.

5. Select Ok.

6. Select Finish.

3.1.2. Configure the Raspberry Pi's Ethernet to have a static IP.

1. Enter sudo



nano



/etc/dhcpcd.conf





in a terminal window.

2. Add the following to the bottom of the file:

interface



eth0

static



ip_address=192.168.0.10/24

static



routers=192.168.0.1

static



domain_name_servers=192.168.0.1

static



domain_name_servers=8.8.8.8

3. Exit the editor by pressing CTRL+X then save your changes by

pressing 'Y' and then hitting enter.

4. Restart the Raspberry Pi.

3.1.3. Configure your PC to have a static IP in the same subnet.

1. Open Network and sharing center.

2. Select change



adapter



settings



3. Right click the Ethernet interface that the RPI will be attached to and

select properties.

4. Double click on Internet



Protocol



Version



(TCP/IPV4).

5. Select the "Use the following IP address" option and enter the following:



Address:



192.168.0.11

Subnet



Mask:



255.255.255.0

Default



Gateway:



192.168.0.1

6. Select OK.

3.1.4. Test the SSH Connection.

1. Open a terminal program, such as Tera Term, on the PC.

2. SSH into the RPI at the 192.168.0.10 IP address.

3.2. Disable the Serial Console

Once SSH is working, disable the serial console.

3.2.1. Enter sudo



raspi-config



  in a terminal window.

3.2.2. Select Interfacing Options.

3.2.3. Navigate to and select Serial.

3.2.4. Select No to disable the serial console.

3.2.5. Select yes to enable hardware serial port.

3.2.6. Select Ok.

3.2.7. Choose Finish.

3.2.8. Reboot to save changes.

3.3. Activate Modem (one-time step)

Your Skywire cellular modem does not ship with an active cellular plan.

NimbeLink provides reduced rate cellular data plans for Skywire

products.  To activate a data plan, please visit go.nimbelink.com to set

up a data plan account.

3.4. Attaching the adapter

The following steps will detail how to connect the Skywire to the Raspberry Pi.

3.4.1. Skywire Placement

Mount the Skywire on the adapter with the Skywire's U.FL connectors towards

the middle of the board. The U.Fl connectors should line up with the two circles

on the adapters silkscreen.

Autres manuels pour Skywire

Table des matières

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NimbeLink Skywire Manuel utilisateur

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NimbeLink Skywire NL-AB-PMOD Manuel utilisateur

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