AXSEM DVK- 2 User manual

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QUI CK START GUI DE
DVK- 2
Version 2.0

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Ta ble of Con t e nt s
1 .
D VK- 2 I n t r oduct ion ..... ..... ...... ..... .. ..... ...... ..... .. ..... ...... ..... .. ..... ...... ..... .. ..... ... 3
1.1. DVK-2 base-kit .............................................................................................3
1.2. DVK-2 add-on-kits ........................................................................................3
2 . AX DBG D ebu g Ada pt er Ov er vie w . ..... .. ..... ...... ..... .. ..... ...... ..... .. ..... ...... ..... .. .. 5
3 . Ma in Boa rd Overv iew ( M B) .......................................................................... 6
4 . Ba t t er ie s a nd M odule s ..... ..... .. ..... ...... ..... .. ..... ...... ..... .. ..... ...... ..... ...... ..... .. .... 8
4.1. Bat t eries......................................................................................................8
4.2. Modules.......................................................................................................9
5 . Var ious Ant e n na s ...... ..... ...... ..... .. ..... ...... ..... .. ..... ...... ..... .. ..... ...... ..... .. ..... ... 1 0
6 . Sof t w ar e re qu ir ed t o w ork w it h t h e D VK- 2 .... ...... ..... ...... ..... .. ..... ...... ..... .. .. 1 1
7 . Configu ra t ion of AxCode::Block s................................................................ 1 2
8 . Conne ct ing t h e D VK- 2 t o a PC.................................................................... 1 3
9 . Op er a t ion w it h AX- M icroLa b ...................................................................... 1 5
10. Pr e - in st a lle d PER- t e st .... ...... ..... ...... ..... .. ..... ...... ..... .. ..... ...... ..... .. ..... ...... .... 1 6
10.1. Transm it ter side ..................................................................................16
10.2. Receiver side ......................................................................................17
11. W or kin g w it h AX - RadioLab ........................................................................ 1 8
12. W or kin g w it h Ax Code ::Blocks .................................................................... 1 9
13. I n st allat ion of Sof t w a r e . ...... ...... ..... ...... ..... .. ..... ...... ..... .. ..... ...... ..... .. ..... ..... 2 0
14. Diffe rent SW pa cka ges p la yin g t oget h er . ..... ...... ..... .. ..... ...... ..... .. ..... ...... .... 2 1
15. Glossary ....................................................................................................22
16. Cont a ct I n fo rm a t ion ...... ..... .. ..... ...... ..... .. ..... ...... ..... .. ..... ...... ..... .. ..... ...... .... 2 3

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1 . D VK- 2 I n t r odu ct ion
1.1. DVK- 2 base- kit
The DVK- 2 is designed as quick start solut ion for the developm ent of applicat ions wit h
AXSEM m icro- con tr oller s and AXSEM radio- ch ips. The D VK- 2 base - kit is the
developm ent plat form for applicat ions based on the AX8 0 5 2 F1 x x m icr o- cont roller
fam ily. Wit h the available radio add- on - kit s it becom es t he ideal plat form for radio
perform ance evaluat ion and radio syst em developm ent. The D VK- 2 is com pat ible wit h
AX- Ra dioLab, AX- M icr oLab and AxCode::Blocks developm ent software for t he PC.
The DVK- 2 com es wit h:
• 2x m ainboards wit h radio- m odule connect ors for one radio a dd- on- k it m odule,
AX8 0 5 2 F1 0 0 20 MI PS ult r a- low - pow er m icr o- cont roller, LCD display, 4 but t ons,
2 LED, AX debug connect or and battery connect or for 3 AA bat t eries
• 1x AXD BG debug adapt er
• 1x Mini USB cable
• 1x AX- Debu g cable ( Et her net cable) .
1.2. DVK- 2 add- on- k it s
For evaluat ion of AXSEM radio I C a variet y of add- on- k it s are available. A radio add-
on- kit consist s of a pair of radio m odules ( and depending on r egion, frequency ,
dist r ibu tor a pair of an t ennas) . Depending on t he radio product t he kit can consist of t wo

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identical or t wo different1m odules. The pict ur es below show t he tw o different m odules of
t he AX5043- 868 a dd- on- k it .
The left m odule has a TX/ RX port and t he right m odule a TX/ RX port w it h SMA connect or
and a single ended TX- only port wit hout SMA connect or.
The following radio a dd- o n- k it s are available:
• AX5 0 4 3 - 8 6 8 add- on- kit ( 2 m odu les)
• AX5 0 4 3 - 4 3 3 add- on- kit ( 2 m odules)
• AX5 0 4 3 - 1 6 9 add- on- kit ( 2 m odules)
• AX5 0 5 1 - 8 6 8 add- on- kit ( 2 m odules)
• AX5 1 5 1 - 8 6 8 add- on- kit ( 2 m odules)
• AX5 0 4 2 - 8 6 8 add- on- kit ( 2 m odules)
For t ransm itt er only evaluat ion the following t ransm it ter m odules ar e available
• AX5 0 3 1 - 8 6 8 m odule
• AX5 1 3 1 - 8 6 8 m odule
1AX5043 a dd- on- k it s are nor m ally shipped wit h t wo different m odules, a m odule wit h
an RX/ TX RF por t and a m odule w it h an RX/ TX plu s a TX- only por t .

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2 . AXDBG Debug Ada pt er Overview
The AXD BG debug adapt er is t he interface bet ween t he PC and t he m ainboards. I t can
be used for program m ing and debugging the AX8 0 5 2 F1 xx fam ily of m icro- cont rollers. I t
interfaces on t he com put er side wit h low level drivers and t he AXSD B soft ware interface,
w hich is t h en used by ot h er AX SEM software product s. The AXSD B can also be used in
m ass product ion wit h t he scriptable AXSDB software.
The AXD BG has the following int erfaces and indicat ors:
• AX debug link RJ45 connect or
• m ini USB PC int erface
• LED red indicat ing the debug link is act ive, MCU in debug m ode
• LED green indicating a program is executed on t he MCU
• Opt ional m odule con nect or s ( not used by act ual AXSEM soft war e pr du ct s)

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3 . M a in Board Overview ( MB)
A DV K- 2 m ainboard is the core of t he DV K- 2 developm ent syst em . I t uses an
AX8 0 5 2 F1 0 0 as a v er sat ile ult r a- low - pow er m icr o- controller. The m ainboard is designed
to evaluate AXSEM radio I C as well as being a plat form for code developm ent and
test ing.
The DVK- 2 m ainboard is equipped w it h t he follow ing com pon en t s:
1. LCD display with 2 lines of 16 characters each
2. Power indicator LED
1. 2.
6.
7.
3.
8.
9.
10.
5.4. 11. 13. 12.

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3. DVK- 2 radio m odule con nect or s
4. Program m able indicat or LED
5. AX8 0 5 2 F1 0 0 m icro- con t roller
6. AX debug link RJ45 connector
7. Pow er su pply sw it ch ( select between debug link powered and bat t ery powered
operation)
8. 4 dip swit ches
9. 4 pow er- supply j um per s:
a. Power for t he LCD- display backlight
b. Pow er of t he r adio- m odule
c. Auxiliary power of t he radio- m odule ( TCXO, m odule recognit ion)
d. Power for the AX8 0 5 2 F1 0 0 m icro- controller on t he m ainboard
10. 4 but t ons
11. 32.768 kHz cryst al
12. UART connect
13. GND t est point

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4 . Ba t t e rie s a n d M odu le s
4.1. Bat t eries
Three AA bat t eries can be insert ed on the bott om side of the DVK- 2 m ainboard. The
polarity is indicat ed on t he pict ure below . The pow er swit ch t oggles bet ween bat t ery
powered and debug- link powered operat ion. There is no OFF posit ion if bat teries are
insert ed and the debug- link is connect ed.
+
+
-

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4.2. Modules
One radio module can be connected t o t he m ain board. The D VK- 2 m odules have t o be
connect ed t o the m ain board wit h t he SMA connector facing outside.
N ot e: Th e re is n o sa fe gu a rd f or p ola r it y or w r on g inse r t ion o f m odule s.

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5 . Va r ious An t e nn as
Different types of antennas can be used wit h t he AXSEM radio m odules. The kit s com e
without antenna but any 50 Ohm ant enna designed for a frequency m at ching t he radio
m odule and being equipped wit h a m ale SMA connector can be used. Be aware that
ant enna perfor m ance can vary a lot bet ween different m akes of ant ennas.
1 2 3 4 5 6 7
Antennas in the pict ure:
1. 868 MHz dipole ( t w o grey rings, often used by AXSEM )
2. 915 MHz dipole ( t w o y ellow rings, often used by AXSEM )
3. 868 MHz m onopole
4. 868 MHz m onopole
5. 433 MHz m onopole
6. 868 MHz m onopole
7. 868 MHz m onopole

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6 . Sof t w a r e r equ ir ed t o w or k w it h t he D VK- 2
Dependin g on y our applicat ion and add- on - kit you need t o use different AXSEM soft ware.
Kit M a t ch in g So ft w a r e
DVK- 2 base- kit , no m odule at tach ed • AX8052I DE package
o AXCode: : Blocks
o AXSDB
o LibMF
o SDCC
• AX- Micr oLab
DVK- 2 base- kit wit h AX5043 add- on • AX8052I DE package
o AXCode: : Blocks
o AXSDB
o LibMF
o SDCC
• AX- RadioLab
• AX- RadioLab- POCSAG ( n ot fr ee of ch ar ge)
• Pr e- inst alled PER- t est
DVK- 2 base-kit wit h AX5051 add- on or AX5151 add- on • AX8052I DE package
o AXCode: : Blocks
o AXSDB
o LibMF
o SDCC
• AX- Rad ioLab 51
• Pr e- inst alled PER-t est
DVK- 2 base-kit with AX5042 add- on, AX5031 add- on
or AX5131-add- on
• AX8052I DE package
o AXCode: : Blocks
o AXSDB
o LibMF
o SDCC
• AX- Par am Calc
• AX- Easy _pack et
• Pr e- inst alled PER-t est
2
Note: AX- MicroLab and AX- RadioLAB use t he AX8 0 5 2 I DE software package in the
background. Therefore the AX8 0 5 2 I DE soft ware package has to be inst alled and
configured before inst allat ion of t he other software. For configurat ion run
AxCode ::Block s and set SD CC as default com piler.
2Note: AX5 0 3 1 and AX5 1 3 1 m odules are t ransm itters only and do not work on
m ainboards program m ed as receiver

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7 . Configur a t ion of Ax Code ::Block s
After st art ing Ax Code::Block s for t he first t im e t he user has t o select SD CC as t he
default com piler. The follow ing w indow w ill pop- up. Aft er t his configurat ion process y ou
are ready t o go.
N ot e:To delet e an Ax Code::Block s configurat ion you have t o delet e the direct ory
C: \ Docu m ent s an d Set t ings\ user \ Applicat ion Dat a\ ax codeblock s.
1.
2.
3.

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8 . Conn ect in g t h e D VK- 2 t o a PC
St ep 1: To interface wit h t he user t he DVK- 2 uses a suit e of software on a PC.
• AX8 0 5 2 I D E pack age ( I nst alls AxCode::Block s, AXSD B, LibMF support libraries,
the SDCC C- com piler an d low - level driv er s)
• AX- Ra dioLa b
• AX- Ra dioLa b5 1
• AX- M icroLa b
Make sure that t he AX8 0 5 2 I D E software is inst alled before connect ing t he AX SD B t o
t he com put er and before inst allin g t he ot her AXSEM soft ware. Ot herwise you m ay
experience difficult ies in inst alling t he driver lat er. AX- RadioLa b, AX - Ra dioLab5 1 or
AX- M icr oLab m ay be inst alled lat er, depending on t he users int ent ions.
All necessary software can be downloaded at www .axsem .com .
St ep 2: Connect t he AXD BG via the USB cable t o t he com put er . Since t he driv er is
already inst alled t he com put er should report 2 “ USB Serial Conver ter s” in y our Dev ice
Manager.
St ep 3: Connect a D VK- 2 m ainboard via t he blue RJ45 cable t o t he AXDBG debug
adapter.

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The base syst em is now ready for test ing e.g. wit h AX - Micr oLab for a st art .
N ot e: I f p ow e r ed via t h e debug a da pt e r t he user ca n se e volt a ge changes on
t h e m a in boa r d if t h e cu r re nt co nsu m p t ion ch an ge s. This is ca u se d b y a ca sca de
of t w o 3 .3 V r e gula t or s, on t h e AX SD B a n d o n t h e m a inboa r d. The e ffe ct is
visible in cha nges of th e back ligh t of the LCD displa y. I t does not occu r w it h
ba t t er y pow e r ed ope ra t ion . Th is is fix e d on t h e n ew e st v e rsion s of t h e D VK- 2 .

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9 . Oper a tion w it h AX- Micr oLab
AX- M icr oLab is a great st art ing point for m icro- controller code developm ent wit h the
AX8 0 5 2 F1 xx fam ily of m icr o- controllers. I t creat es a fram ew ork of code for different
applicat ions and helps t o configure the funct ions of t he m icro- controller.
AX- M icr oLab has a “ DVK- 2 Boar d” but t on ( see ar row ) t o cr eat e a DVK- 2 com pat ible
configurat ion quickly. For det ails look in t he AX- M icroLab docum ent at ion, which is
available at www .axsem .com .

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1 0 . Pr e - installed PER- test
The DVK- 2 m ainboards com e wit h a pre- installed software for t est s wit h DV K- 2 radio
add- on m odules. The pr e- inst alled software recognises m ost AXSEM radio a dd- on
m odules and aut om at ically st art s t est ing packet er ror rat e. One D VK- 2 m ainboard is
program m ed w it h a t ransm it ter t he ot her w it h a receiver. Just plug in bat teries, at t ach
radio m odules and set the power supply switch t o bat tery. For longer range use
ant ennas. The tr ansm it t er indicat es t he num ber of t he last t ransm it ted packet , w hile t he
receiver indicat es t he packet error rat e ( PER), the RSSI and t he frequency offset . Walk
around and check out for t he great dist ance you can achieve.
N ote : The SW does not a ccur a te ly sense AX5 0 4 3 m odule s for 4 3 3 and 1 6 9 MHz
an d m odule s w it h 4 8 MH z TCXO. For t hose m odu les it is r ecom m e nded t o use
AX- Ra dioLab.
The pre- inst alled SW r unnin g on the m ain boards can be downloaded from the AXSEM
web- page www .axsem .com . Open slave.cbp in Ax Code::block s to download t he
receiver and m ast er.cbp to download t he t ransm it t er. The proj ect m ain .cbp allow s t o
t oggle bet ween t ransm it ter and receiver by pressing SW4 du rin g pow er - up.
The radio param et ers of t his software cannot be changed. It is recom m ended to use AX-
RadioLab or AX- Ra dioLa b5 1 for in dept h t esting. Wit h AX 5 0 4 2 and AX5 0 3 1 we
recom m end AX- Para m Calc wit h AX - Ea sy _ Pack et as developm ent and t est ing
plat form .
10.1. Transm it ter side
The t ransm it ter sends a st andard AX SEM HDLC packet every second.
The LCD display shows:
AXSEM RF: AX5 0 x x
0 0 5 1 (t he last t ransm it t ed packet num ber)
Transm it param et er:
868.3 MHz
100 kbps
m ax pow er
FSK, deviat ion h= 0.5
duty cycle ~ 1s

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10.2. Receiver side
The applicat ion on t he AX8 0 5 2 F1 0 0 receives t he dat a packet s from t he t ransm it t er and
shows packet error rat e, signal st rengt h and frequency offset .
The LCD display show s:
P:0 0 1 4 O:0 0 3 9 7
L:0 0 0 0 R: - 0 3 4
Pis t he num ber of received packet s
Lis t he num ber of lost packet s
Ois t he frequency offset in Hz
Ris t he r eceiv er st r en gt h in dicat or ( RSSI ) in dBm
N ot e: Th e r ece iv er scr e en u pd at e s on ly if a va lid pa cket w a s re ce ive d.
N ot e: I f t h e t r a n sm it t e r is r e se t dur in g t he t e st , t h e P a n d L v alu es be com e
inva lid.

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1 1 . W ork ing w ith AX- RadioLab
AX- Ra dioLab is t he m ost advanced developm ent t ool for SRD radio applicat ions. I t
offer s a v ar iet y of t ransm it ter and receiver options such as
• Periodic t ransm ission of packet s t im ed wit h t he RC oscillat or of t he AX 5 0 4 3
• Periodic t ransm ission of packet s t im ed wit h t he 32 kHz XTAL oscillat or of t he MCU
• Tr ansm it on push- bu tt on
• Wake- on- radio r ecept ion wit h program m able wake- up int erval
• Synchronous tr ansm it and r eceiv e wit h program m able wak e- up int erval
• Optional acknowledge package send for all m odes
On top of t his AX- RadioLa b also allows to configure t he packet form at , as well as the
PHY.
Since AX- Ra dioLa b is a source code generator t he dev eloper inher it s t he ent ir e C- code
necessar y t o r un his applicat ion. This m ak es radio code developm ent quick and reliable.
AX- Ra dioLab also est im at es t he power consum pt ion of t he radio device. For m ost
m odes t he AX8 0 5 2 F1 0 0 power consum pt ion is negligible. Average and peak current s
are indicat ed for t ransm it t er and receiver.

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1 2 . W ork ing w it h Ax Code::Block s
AxCode ::Block s is t he graphical I DE for code developm ent on AXSEM m icro-
cont rollers. I t enables t he developer t o access all t he degugging feat ures of t he AXSEM
m icr o- cont roller s, in par t icular :
• Un lim it ed3num ber of break point s
• Access t o all AX8 0 5 2 F1 xx MCU regist ers as well as t o all AXSEM radio chip
regist ers
• Debug link UART in a window for debugging printf-st yle wit hout t he need of ext ra
hardware
• SDCC C- com piler pr e- inst alled an d r eady t o go
3Lim it ed only by m em ory size