Atmel ATAB5423-3-WB Manual de usuario

ATAB542x-x-WB User Guide

..............................................................................................

ATMEL “Wireless BlackBird”

Transceiver Demonstration Kit

ATAB542x-x-WB User Guide -1

5219A–WIRE–04/07

Introduction........................................................................................... 1-1

1.1 Purpose.....................................................................................................1-1

1.2 Description ................................................................................................1-1

1.3 Performance Characteristics.....................................................................1-2

1.4 Kit Contents...............................................................................................1-2

Operating the Transceivers .................................................................. 2-1

2.1 Menu Guide Description............................................................................2-1

2.2 The Abridged Menu Guide ........................................................................2-2

2.3 The Exhaustive Menu Guide.....................................................................2-3

Appendix............................................................................................... 3-1

3.1 Miscellaneous Information ........................................................................3-1

3.1.1 Software re-load and FUSE settings ..................................................3-1

3.1.2 Software documentation .....................................................................3-2

ATAB542x-x-WB User Guide 1-1

5219A–WIRE–04/07

Section 1

Introduction

Congratulations on your purchase of the ATMEL ATAB542x “Wireless BlackBird“ Trans-

ceiver Demonstration Kit. This kit is built around the ATA542x RF transceiver IC and the

ATmega3290 AVR®micro-controller.

This User Guide describes the Demonstration Kit features and provides two versions of

the menu system in the demo software – (1) an abridged version which gives the top

two tiers of the menu, and (2) an exhaustive version which gives the menu in full detail,

including the resulting action from all possible joystick movements at each point in the

menu.

For the most rapid path to executing a working demo with the transceiver pair, see the

Quick Start Card included in the package. It shows how to execute the Link Quality

demo – a demo in which each transceiver in the pair measures and displays the relative

signal strength of the other transceiver’s RF transmission.

1.1 Purpose The Wireless BlackBird kit, consisiting of a pair of transceivers, was designed with a

positive out-of-the-box experience in mind. Using the Quick Start Card included in the

package, an end-user can, within a matter of minutes, have a demonstration running.

This User's Guide outlines the demo-software menu, providing a complete, single docu-

ment which the end-user can reference while becoming intimately familiar with the many

features of the demo.

Equally so, this kit is suitable for a developer who wishes to explore the full capabilities

of the ATA542x radio and the AVR micro-controller. Through the ISP, UART, or JTAG

interface, the developer has complete control.

1.2 Description The ATMEL Wireless BlackBird is a 2" x 3.5" PC-board transceiver using the ATA542x

UHF transceiver IC and the ATmega3290 AVR micro-controller, as shown in Figure 1-1.

It is offered in five frequencies: 315, 345, 434, 868, and 915 MHz. The BlackBird is

UART-, ISP-, and JTAG- ready. It has a custom LCD display, a 4-way joystick, and is

The UART, ISP, and JTAG I/Os allow end-users to load software into the AVR and to

interface with the ATA542x radio. With the joystick, the end-user can navigate through

menus and select functions to execute. The LCD displays the menus, as well as show-

ing transceiver activity during each of the various demo functions.

Introduction

1-2 ATAB542x-x-WB User Guide

5219A–WIRE–04/07

The BlackBird is capable of up to 20Kbit/s Manchester FSK modulation, or 10Kbit/s

ASK. Its fractional-N frequency synthesizer gives a nice 800Hz RF resolution. An inter-

nal TX/RX switch controls the single-ended RF I/O which is capable of up to 10dBm

(adjustable) output.

The ATMEL part numbers for the different frequency versions are:

ATAB5423-3-WB for 315 MHz

ATAB5425-3-WB for 345 MHz

ATAB5428-4-WB for 434 MHz

ATAB5428-8-WB for 868 MHz

ATAB5429-9-WB for 915 MHz

1.3 Performance

Characteristics

Some typical characteristics for the ATA542x BlackBird transceiver board are:

Sensitivity: approximately -102 dBm FSK and -105 dBm ASK

Data Rate: up to 20 Kbit/s FSK and 10 Kbit/s ASK

Frequency/Channels: Multi-channel operation over +/- 2.5 MHz with 800 Hz resolution

Temperature Range: -40C to 85C

Power Output: ~ 0 to ~ 10 dBm (switchable)

Supply Current:

OFF mode: <1 uA

RX mode: 12 mA

TX mode @ ~0 dBm: 12 mA

TX mode @ ~ 8 dBm: 21 mA

Voltage Requirement : 3 or 6 VDC

Range : ≥1000 feet

The specifications for the ATA542x transceiver IC are included in its Data Sheet on the

accompanying CD.

1.4 Kit Contents The ATAB542x kit contains two ATAB542x transceivers (with batteries), as determined

by the ATMEL part number ordered, a Quick Start Card, and a CD. The kit is complete,

the software is preloaded, and it is ready for immediate use. Figure 1-2 shows the kit

contents.

Included on the accompanying CD are:

1. User Guide

2. Bills of Material

3. Data Sheets

4. schematic and layout files

5. IAR®and WinAVR source code

6. a *.hex file for the Demo software

7. a Quick Start Guide

Introduction

ATAB542x-x-WB User Guide 1-3

5219A–WIRE–04/07

Figure 1-1. Wireless BlackBird Transceiver

Figure 1-2. Wireless BlackBird Demonstration Kit

ATAB542x-x-WB User Guide 2-1

5219A–WIRE–04/07

Section 2

Operating the Transceivers

This section contains remarks about how the Menu Guides, both abridged and exhaus-

tive, are set-up and how to use them. Then, both versions of the Menu Guide,

respectively, are given.

2.1 Menu Guide

Description

These menu guides are intended to provide the user with two views of the demo-soft-

ware menu. First, the abridged version shows a top-level view of only the first two tiers

of the menu system. At a glance, the user can see what features are demonstrated in

the pre-loaded software. Second, in the exhaustive version, the user has a simple-to-

navigate outline with complete details about each feature in the software. Additionally,

in the exhaustive version, short instructions are given for the demonstrations whose

execution is not intuitively clear from simply the outline material alone.

The following are comments important to understanding these guides and navigating

the Demo software menu:

1. anything that appears on the LCD display is highlighted in the outline with bold

text. This helps the user to more quickly spot the place in this outline that corre-

sponds to the current position in the menu system while using the Wireless

BlackBird.

2. there are 5 possible movement of the joystick:

P - press

L - move left

R - move right

U - move up

D - move down

that result in some action. Each is described in the exhaustive version.

3. where reasonable, a few sentences of explanation either complement or replace

the abbreviated descriptions of the joystick movements.

4. unless otherwise stated, these actions apply to each menu item:

L - backs out of the menu item

P - starts/ends/selects the menu item

So, a very important action that the user MUST remember is:

only by pressing (P) the joystick will a selected menu item be stored in

memory!

Operating the Transceivers

2-2 ATAB542x-x-WB User Guide

5219A–WIRE–04/07

5. the letters "X" or "x" are used in this outline to indicate display of a number that

has a variable value.

2.2 The Abridged

Menu Guide

There are 6 main menus:

DIAGNOSTICS

LINK QUALITY

TEMPERATURE SENSOR

LIGHT SENSOR

FREQ HOPPER

SYSTEM SETUP

They are accessible by moving the joystick downward (not to be confused with pressing

it) or upward after power-up. At each main menu which has sub-menus, these sub-

menus can be accessed by pressing the joystick. Moving the joystick leftward backs out

of the currently-selected sub-menu.

These 6 main menus and each one’s sub-menu are described here:

DIAGNOSTICS - provides transmit and receive functions for testing and evaluation.

The sub-menus are:

MARK - transmits a continuous logic "1" (the upper FSK frequency)

SPACE - transmits a continuous logic "0" (the lower FSK frequency)

TOGGLE - generates a continuous square wave by toggling between MARK and

SPACE (FSK mode)

RSSI - indicates received signal strength

PKT TX - transmits packet data

PKT RX - receives packet data

S LINK - serial link mode; permits two PCs to communicate over an RF link

LINK QUALITY - two transceivers exchange data packets with one-another. Each trans-

ceiver displays the relative strength of the signal it receives.

TEMPERATURE SENSOR - two transceivers exchange with one-another the tempera-

ture measurement made by each’s on-board sensor. The temperature measured by a

transceiver’s own sensor, as well as that reported by the other transceiver, is displayed.

LIGHT SENSOR - two or more transceivers exchange with one-another the light inten-

sity measurement made by each’s on-board sensor. This is a multi-transceiver

demonstration with a single MASTER and one or more REMOTEs. The intensity mea-

sured by a transceiver’s own sensor, as well as that reported by the other transceiver, is

displayed. NOTE: the REMOTEs communicate only with the MASTER – not with other

REMOTEs.

FREQ HOPPER - two transceivers exchange data packets, in either single or continu-

ous mode, as they hop among pre-set channels.

Operating the Transceivers

ATAB542x-x-WB User Guide 2-3

5219A–WIRE–04/07

SYSTEM SETUP - various functions

PWR DWN - puts the transceiver in one of two different sleep modes

CHANNEL ADJUST - adjusts/trims the frequency of the selected channel

UNIT ID ADR - assigns a unit ID to the transceiver

SET DATE/TIME - sets the date and time of the internal clock

PWR LVL - sets the power output (LO ~ 0dBm, HI ~ 8dBm)

LCD SEG ON - displays all segments on the LCD

A/D TST - shows that the A/D converter works

CLK OUT - outputs a square wave at the RC oscillator frequency

TIME - displays day/date/time information

RF MODULE SELECT - loads pre-set register data for each RF frequency

2.3 The Exhaustive

Menu Guide

To power-up the transceiver, slide the white-and-black switch downward. The text

ATMEL WIRELESS BLACKBIRD scrolls across the screen. The AVR logo and the

device part number (542x) are also displayed. At this point:

P - displays VERSION X.XX, the current version of the demo software

P,L,R,U,D - goes to power-up display (ATMEL SMARTRF...)

U,D - scrolls through the main menu (DIAGNOSTICS, LINK QUALITY, ...)

P - selects desired menu item

2.3.1 DIAGNOSTICS Contains seven transmit/receive functions

sub-menus: MARK, SPACE, TOGGLE, RSSI, PKT TX, PKT RX, S LINK

P - accesses sub-menus

L - goes to power-up display (ATMEL SMARTRF...)

U,D - scrolls through main menu (DIAGNOSTICS, LINK QUALITY, ...)

2.3.1.1 MARK Transmits a continuous logic "1" (the upper FSK frequency)

P - accesses menu items

L - goes to DIAGNOSTICS

U,D - scrolls thru menu (MARK, SPACE, ...)

CH x - sets radio channel (0 to 9)

P - sets channel and goes to PWR LVL

L - goes to PWR LVL

U - increments channel

D - decrements channel

PWR LVL - sets TX power level

P - sets selected power level (LO/HI) and goes to MARK

L - goes to MARK

U - selects HI power

D - selects LO power

MARK (blinking), channel number, AVR logo, antenna icon, and P LO (or, P HI)

Operating the Transceivers

2-4 ATAB542x-x-WB User Guide

5219A–WIRE–04/07

radio is transmitting, indicated by AVR logo and antenna icon

P,L,R,U,D - goes to START and stops transmitting

START - exits or re-starts TX mode

P - re-starts TX mode

L - goes to MARK (main menu)

U,D - goes to EXIT

EXIT - exits TX mode

P,L - goes to MARK (main menu)

U,D - goes to START

2.3.1.2 SPACE Same as the MARK menu, except it transmits a continuous logic "0"

(the lower FSK frequency)

2.3.1.3 TOGGLE Generates a continuous square wave by toggling between MARK and SPACE

(FSK mode)

P - accesses menu items

L - goes to DIAGNOSTICS

U,D - scrolls thru menu (MARK, SPACE, ...)

CH x - sets radio channel (0 to 9)

P - sets channel and goes to FSK

L - goes to FSK

U - increments channel

D - decrements channel

FSK - sets transmitter to ASK or FSK

P - sets mode and goes to x KBPS

U,D - toggles between ASK and FSK

x KBPS - sets data rate, dependent on modulation chosen

P - goes to TOGGLE

U,D - changes data rate (1,5,10 kbps for ASK; 1,5,10,20,40 kbps for FSK)

TOGGLE, AVR logo, antenna icon, and CH x - radio is transmitting, indicated by

AVR logo and antenna icon

P,L,R,U,D - goes to START and stops transmitting

START - exits or re-starts TX mode

P - re-starts TX mode

L - goes to TOGGLE (main menu)

U,D - goes to EXIT

EXIT - exits TX mode

P,L - goes to TOGGLE (main menu)

U,D - goes to START

Operating the Transceivers

ATAB542x-x-WB User Guide 2-5

5219A–WIRE–04/07

2.3.1.4 RSSI Indicates received signal strength

Note: a 2nd transceiver must be put into one of the above transmit modes (MARK, SPACE, or

TOGGLE) in order to see a received signal strength indication

P - accesses menu items

L - goes to DIAGNOSTICS

U,D - scrolls thru menu (MARK, SPACE, ...)

CH x - sets radio channel (0 to 9)

P - sets channel and goes to FSK

L - goes to FSK

U - increments channel

D - decrements channel

FSK - sets transmitter to ASK or FSK

P - sets mode and goes to x KBPS

L - goes to x KBPS

U,D - toggles between ASK and FSK

x KBPS - sets data rate, dependent on modulation chosen

P - sets data rate and goes to RSSI

L - goes to RSSI

U,D - changes data rate (1,5,10 kbps for ASK; 1,5,10,20,40 kbps for FSK)

RSSI, number, vertical bar-graph - shows a number and bar-graph to indicate

relative signal strength

P,L,R,U,D - goes to RSSI (main menu)

2.3.1.5 PKT TX Transmits packet data

Note: a 2nd transceiver must be put into the PKT RX mode in order to see this demonstration

P - accesses menu items

L - goes to DIAGNOSTICS

U,D - scrolls thru menu (MARK, SPACE, ...)

CH x - sets radio channel (0 to 9)

P - sets channel and goes to FSK

L - goes to FSK

U - increments channel

D - decrements channel

FSK - sets transmitter to ASK or FSK

P - sets mode and goes to x KBPS

L - goes to x KBPS

U,D - toggles between ASK and FSK

x KBPS - sets data rate, dependent on modulation chosen

P - sets data rate and goes to PKT TX

L - goes to PKT TX

U,D - changes data rate (1,5,10 kbps for ASK; 1,5,10,20,40 kbps for FSK)

PKT TX (blinking), number - transmits a packet

P, R - transmits packet and increments counter

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