eRIC Development Kit
The eRIC Development Kit provides a platform for the test and evaluation of eRIC radio transceivers.
The kit comprises:
Two eRIC400 (400MHz) or eRIC900 (900MHz) RF Transceiver modules
Two eRIC Development boards
Two matching antenna (400/900MHz) with SMA (Male) connectors
Two 9V Alkaline PP3 Batteries
Two USB Type A to Micro-B USB connector jump leads for connection to PC
One ‘Wireless Mike’ 4GB USB memory stick containing data sheets and software
Using this kit together with the supplied ‘easyRadio Companion’ software, connection can be made to the
eRIC modules allowing the default operating frequency (channels), RF power output, ‘Over Air’ and Host
serial communication rates to be configured and changed. Using the ‘eRIC Flash Programmer’ simple precompiled demo programs can be downloaded and run. In addition, by using the free Texas Instrument
(TI) ‘Code Composer Studio’ (link below) software, user application programs can be compiled,
downloaded and run.
Development Board Description
Vcc Out
JTAG Connector JP1
Pwr LED
On/Off Switch
SW1/LED1
Pin 16
Micro USB
Connector
SW2/LED2
Pin 17
9V PP3 Battery
Tx LED - Red
Rx LED - Green
SW3/LED3
Pin 18
SW4/LED4
Pin 19
Reset
RF In/Out
Gnd Pin
Potentiometer
VRef
N.B. Board supplied may differ slightly from illustration
Feature
Description
SW1/LED1 to SW4/LED4
JTAG Connector
JP1
Vcc Out
Pwr LED
On/Off Switch
Micro USB Connector
Battery
Tx LED (Red)
Rx LED (Green)
Potentiometer
VRef
RF In/Out
Gnd Pin
Reset Switch
Momentary push button switch and LED indicator connected to eRIC I/O pins
TI compatible JTAG programming connector
Bootloader enable jumper. Jumper in place to enable bootloader mode
5V or 3V3 (20mA max) outputs and Gnd Ref for powering external circuitry
Indicates that board is powered
Board power On/Off
USB Serial Data and 5V USB power
9V PP3 battery for board power
Indicates serial USB data activity
Indicates eRIC receive data activity
Provides variable voltage output on adjacent pin for testing A-D etc.
‘Top’ of potentiometer. Connect to Vcc Out pin 5V/3V3 or other voltage
50R SMA Female RF connector for antenna or test equipment connection
0V Gnd reference for ‘scope or other test equipment.
Momentary push button eRIC reset switch
Low Power Radio Solutions Ltd.
Two Rivers Industrial Estate
Station Lane, Witney
Oxon, OX28 4BH
England
eRIC_Dev_Kit_Preliminary_0.33.docx
Tel:
Fax:
Web:
Email:
Technical:
+44 (0)1993 709418
+44 (0)1993 708575
http://www.lprs.co.uk
info@lprs.co.uk
technical@lprs.co.uk
eRIC Development Kit
Notes
The Development board is provided with both a ‘spring pinned socket’ and an area/pads for the alternative, permanent SMD
mounting of eRIC. All eRIC pins (1–23) are brought out to SIL turned pin sockets allowing easy interconnection to external
prototype/development circuitry via jumper wires.
The board can either be powered by the USB PC connection (5V) or for portable/remote/range testing by the supplied 9V PP3
style batteries.
An onboard FT230 device provides a USB to serial connection to a host PC or other device and is used both for sending and
receiving serial data to eRIC and for programming the ‘flash’ memory of the device using the embedded bootloader software.
Status LEDs are used to indicate board power and both transmitted and received serial data activity. Four of the I/O pins are
connected to pushbutton switches/LEDs to provide useful user input/outputs for test and during application development.
Set Up the Development Boards
Inspect board and familiarise yourself with the layout.
Insert eRIC modules into the spring clips and carefully press down until they ‘snap’ in place. Note orientation of the eRIC
module – Pin 1 is adjacent to the UFL RF connector.
Check Bootloader jumper (JP1) is NOT in place. (Pins are open)
Screw the supplied whip antennas into the SMA RF connectors.
Connect the supplied 9V PP3 Batteries
Switch the power switch to the ‘On’ position and check Red power LED lights.
easyRadio Mode
The modules supplied with the eRIC development kit are pre-loaded with a subset of LPRS easyRadio software. This allows
connection to ‘easyRadio Companion Software’ running on a Windows PC which should be installed as detailed below.
Download the FTDI Virtual Com Port Drivers from http://www.ftdichip.com/Drivers/VCP.htm and install on your PC.
Download the ‘easyRadio Companion Software V3.15’ (or later) from: http://www.lprs.co.uk/easy-radio/downloads.html
or copy from the supplied ‘Wireless Mike’ USB stick and double click to install.
Using the supplied USB jumper cables, connect the Development boards to the PC or PCs.
After initial connection the PC may report that it is ‘Installing Drivers’. Wait until this has completed and then check
Windows Device Manager and note the allocation of the (USB) Com port.
Run the ‘easyRadio Companion Software’. Configure the serial port in ‘Settings/RS232 Settings’’ to match those noted.
Then:
Switch both Dev Boards On.
Momentarily press and release the Reset button on both Dev Boards.
Sending any command from ‘easyRadio Companion Software’ will confirm communication with the module.
Low Power Radio Solutions Ltd.
Two Rivers Industrial Estate
Station Lane, Witney
Oxon, OX28 4BH
England
eRIC_Dev_Kit_Preliminary_0.33.docx
Tel:
Fax:
Web:
Email:
Technical:
+44 (0)1993 709418
+44 (0)1993 708575
http://www.lprs.co.uk
info@lprs.co.uk
technical@lprs.co.uk
eRIC Development Kit
Demo Modes
To allow stand-alone (portable) operation for range testing etc. without the need for a host PC, pre-compiled software hex files
can be ‘flashed’ directly into eRIC using the embedded bootloader program together with the supplied eRIC programming
software.
Please see ‘eRIC Developers Manual’ for further information on how to do this.
Demo1.hex provides the two following modes of operation:
Mode 1 – eRIC-1 as manual Transmitter, eRIC-2 as Receiver
Switch both Dev Boards On.
Momentarily press and release the Reset switch on Dev Board-1. Then momentarily press and release SW2 (Manual
Transmit).
Momentarily press and release the Reset switch on Dev Board-2. Then momentarily press and release SW3 (Receive).
Press any switch (1–4) on Dev Board-1, the local LED associated with the switch will light as will the corresponding LED on the
remote Dev Board-2 whilst in range.
Mode 2 – eRIC-1 as automatic Transmitter, eRIC-2 as Receiver
Switch both Dev Boards On.
Momentarily press and release the Reset switch on Dev Board-1. Then momentarily press and release SW4 (Automatic
Transmit). An incrementing binary sequence will be continuously transmitted and is indicated by the local LEDs.
Momentarily press and release the Reset switch on Dev Board-2. Then momentarily press and release SW3 (Receive).
The remote Dev Board-2 will reflect the transmitted binary data on the LEDs whilst in range.
These Modes will be maintained until the next power down/ up sequence.
Programming eRIC
TI Code Composer Studio (CCStudio) Integrated Development Environment (IDE) is the tool used to write and compile
programmes for eRIC. This can be downloaded from:
http://www.ti.com/tool/ccstudio
eRIC Tutorials 1, 2 & 3
http://www.lprs.co.uk/easy-radio/downloads.html
describe the download and install process for this programme.
Low Power Radio Solutions Ltd.
Two Rivers Industrial Estate
Station Lane, Witney
Oxon, OX28 4BH
England
eRIC_Dev_Kit_Preliminary_0.33.docx
Tel:
Fax:
Web:
Email:
Technical:
+44 (0)1993 709418
+44 (0)1993 708575
http://www.lprs.co.uk
info@lprs.co.uk
technical@lprs.co.uk
eRIC Development Kit
Schematic
Low Power Radio Solutions Ltd.
Two Rivers Industrial Estate
Station Lane, Witney
Oxon, OX28 4BH
England
eRIC_Dev_Kit_Preliminary_0.33.docx
Tel:
Fax:
Web:
Email:
Technical:
+44 (0)1993 709418
+44 (0)1993 708575
http://www.lprs.co.uk
info@lprs.co.uk
technical@lprs.co.uk
eRIC Development Kit
Product Order Codes
Name
Description
Frequency
Order Code
eRIC Dev Kit
eRIC Dev Kit
eRIC Development Kit including two eRIC400 modules*
eRIC Development Kit including two eRIC900 modules*
433MHz
868/915MHz
eRIC4-DK
eRIC9-DK
Document History
Issue
Date
Notes/Comments
Preliminary 0.1
Preliminary 0.2
Preliminary 0.3x
Preliminary 0.32
Preliminary 0.33
July 2013
July 2013
July 2013
September 2013
September 2013
Preliminary Draft
Preliminary
Additions, amendments and minor corrections
easyRadio mode as default firmware
This version. V1.3 hardware/PCB layout change
Copyright
The information contained in this data sheet is the property of Low Power Radio Solutions Ltd and copyright is vested in them with all rights
reserved. Under copyright law this documentation may not be copied, photocopied, reproduced, translated or reduced to any electronic medium
or machine readable form in whole or in part without the written consent of Low Power Radio Solutions Ltd.
The circuitry and design of the modules are also protected by copyright law.
Disclaimer
Low Power Radio Solutions Ltd has an on-going policy to improve the performance and reliability of their products; we therefore reserve the right
to make changes without notice. The information contained in this data sheet is believed to be accurate however we do not assume any
responsibility for errors or any liability arising from the application or use of any product or circuit described herein. This data sheet neither states
nor implies warranty of any kind, including fitness for any particular application.
easyRadio modules are a component part of an end system product and should be treated as such. Testing to fitness and field testing is the sole
responsibility of the manufacturer of the device into which easyRadio products are fitted. Any liability from defect or malfunction is limited to the
replacement of product ONLY, and does not include labour or other incurred corrective expenses. Using or continuing to use these devices
hereby binds the user to these terms.
Low Power Radio Solutions Ltd.
Two Rivers Industrial Estate
Station Lane, Witney
Oxon, OX28 4BH
England
eRIC_Dev_Kit_Preliminary_0.33.docx
Tel:
Fax:
Web:
Email:
Technical:
+44 (0)1993 709418
+44 (0)1993 708575
http://www.lprs.co.uk
info@lprs.co.uk
technical@lprs.co.uk
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