Digi GPRS/GSM Application Kit Quick start guide

GPRS/GSM Application Kit
Digi
Brand
Digi
Model
GPRS/GSM Application Kit
Category
Modems
Type
Quick start guide

Digi GPRS/GSM Application Kit is a development platform for creating wireless applications using the RabbitCore RCM3100 module, featuring GPRS and GSM connectivity, an LCD/keypad module, and a Prototyping Board for custom hardware designs. With this kit, you can develop and test applications that utilize SMS messaging, data transfer over GPRS, and interaction with external devices via the Prototyping Board.

Digi GPRS/GSM Application Kit is a development platform for creating wireless applications using the RabbitCore RCM3100 module, featuring GPRS and GSM connectivity, an LCD/keypad module, and a Prototyping Board for custom hardware designs. With this kit, you can develop and test applications that utilize SMS messaging, data transfer over GPRS, and interaction with external devices via the Prototyping Board.

Rabbit and Dynamic C are registered trademarks of Rabbit Semiconductor Inc.
020–0070 • 060831–C
GPRS/GSM Application Kit
Application Kit Contents
• 3 CD-ROMs — Dynamic C
®
and Dynamic C PPP module CDs, with complete product documentation
on disk, and supplemental CD with sample programs and information related to GPRS/GSM Application Kit.
• RCM3100 RabbitCore module.
• Prototyping Board, with a bag of accessory parts for use on the Prototyping Board.
• LCD/keypad module.
• AC adapters: 12 V DC, 1 A for RCM3100 and Prototyping Board; 5 V DC, 2 A for Enfora Spider SA-
GL GPRS/GSM modem.
• Programming cable with level-matching circuitry.
• GSM/GPRS modem: Enfora Spider SA-GL 850/900/1800/1900 MHz.
• ½-wave antenna for modem
• DB9 to 10-pin adapter cable.
• Getting Started instructions and application instructions.
• Rabbit 3000
®
Processor Easy Reference poster.
• Registration card.
Running the Software
1. Install the DC 8.61 software from the Dynamic C CD. Use the license key supplied on the card inside
the CD sleeve.
2. Install the PPP module from the Dynamic C PPP module CD. Using the license key supplied on the
card inside the CD sleeve.
3. Copy the contents from the supplemental CD to a directory on your hard disk. We recommend that
you assign a readily identifiable directory name such as
GPRS_GSM_KIT.
4. Copy the library components from the C:\GPRS_GSM_KIT\GPRS\LIB folder into the LIB\GPRS library
directory of your Dynamic C installation (e.g.,
C:\DCRABBIT_8.61\LIB).
5. Open Dynamic C (for example, by double-clicking on the Dynamic C icon on your PC desktop), and
open the library directory file
LIB.DIR. Add the following lines, and save the file.
...
lib\gprs\gsm_gprs.lib
lib\gprs\kdu_menu.lib
lib\gprs\kdu_menu_sms.lib
lib\gprs\mdm.lib
lib\gprs\modemcntrl.lib
6. With the programming cable and modem adapter cable attached as described in the preceding pages,
and power applied to both the Prototyping Board and the modem, open the sample program
GPRS_GSM_KIT\SAMPLES\GSM\BASIC_SMS.C. Press F9 to compile and download the sample program.
The program should print out some diagnostic information in the Dynamic C
STDIO window. The phone
number for the modem is included in this diagnostic information. Use the phone number to send an SMS
message from a GSM phone to the modem. The sample application will read the message, display the
contents on the screen, and then respond to the SMS message with a preprogrammed message.
Where Do I Go From Here?
Be sure to check the readme_1st.txt file on the supplemental CD and the GPRS/GSM FAQs on the
GPRS/GSM product page from the Rabbit Semiconductor Web site for additional information. The Rabbit-
Core RCM3100 User’s Manual on the Dynamic C CD provides complete information on using and
developing applications for the RCM3100, and includes further information on the Prototyping Board and
the LCD/keypad module. The complete AT command set is available from Enfora’s Web site.
The supplemental CD included with this Application Kit contains sample programs to illustrate:
• using a GSM device (e.g., cell phone) to initiate SMS commands/messages to the RCM3100
• using the RCM3100 to initiate an SMS message to a cell phone via the LCD/keypad module
• using the RCM3100 to establish a PPP connection via GPRS network (opens socket for a GPRS session)
• using the RCM3100 to log on to FTP/SMTP/POP3 servers
• a data-entry menu system for the LCD/keypad module
NOTE: The software for this application kit does not currently support the Dynamic C µCOS-II module.
If there are any problems:
• Use the Dynamic C Help menu to get further assistance with Dynamic C.
• Check the Rabbit Semiconductor Technical Bulletin Board at www.rabbit.com/support/bb/.
• Use the Technical Support e-mail form at www.rabbit.com/support/questionSubmit.shtml.
NOTE: If you purchased your GPRS/GSM Application Kit through a distributor or through a Rabbit
Semiconductor partner, contact the distributor or partner first for technical support.
Hardware Connections
Set Up LCD/Keypad Module
If header J5 is installed, remove the jumper on header J5 on
the back of the LCD/keypad module to configure the LCD/
keypad module to operate at 5 V. If the LCD/keypad module
has a potentiometer, the contrast may be adjusted once the
LCD/keypad module is installed in Step 2.
Install Modules on Prototyping Board
Turn the RCM3100 module so that the mounting holes on the
RCM3100 and on the Prototyping Board line up, as shown in
Figure 2 below. Line up the pins on headers J1 and J2 on the
bottom of the module with header sockets RCM2JA and
RCM2JB on the Prototyping Board. Install the LCD/keypad
module on header sockets J7, J8, and J10 of the Prototyping
Board as shown in Figure 2. Press both modules’ pins firmly
into the Prototyping Board header sockets.
Figure 2. Install the Modules on the Prototyping Board
NOTE: It is important that you line up the pins on the modules exactly with the corresponding
pins of the sockets on the Prototyping Board—press down in the area above the header pins
using your thumbs or fingers over the connectors as shown in Figure 2. The header pins may
become bent or damaged if the pin alignment is offset, and the modules will not work. Perma-
nent electrical damage to the modules may also result if a misaligned module is powered up.
Connect the 12 V power adapter to jack J11 on the Prototyping Board as shown in Figure 2 above. The
power LED to the left of the power-supply connection on the Prototyping Board should light up.
NOTE: The RESET button is provided on the Prototyping Board to allow a hardware reset of the
RCM3100 module without disconnecting power.
Figure 1. Remove Jumper
from Header J5 on
LCD/Keypad Module
C2
R2
R1
C3
D2
C1
D1
C5
U2
JP1
R3
U1
C4
C10
CR1
R6
C13
C12
R7
R8
R25
R26
R11
R13
R14
R10
R9
R12
R15
R18
Q8
R16
Q5
R21
Q2
U5
J2
DISPLAY
BOARD
J4
KP1
R17
Q4
R22
Q6
R23
Q7
R20
Q3
R19
U7
C14
R24
C15
C16
U6
U4
C7
C9
U3
LCD1
C11
R4
R5
C6
J1
Q1
J5
C17
RN1
J5
LP3500
2.8 V
OTHER
3.3 V
1
2
3
4
n.c. = 5 V
J5
1
2
3
4
Contrast
Adjustment
Part No. 101-0541
+3.3V
+5V
+3.3V
+5V
GND
GND
GND
GND
+5V
+5V
+3.3V
+3.3V
GND
MOTOR/ENCODER
RN5
J6
R20
JP1
CURRENT
MEASUREMENT
OPTION
+3.3V
+5V
+3.3V
POWER
D1
C13
DS3
L1
C17
C15
POWER
GND
+DC
GND
J9
2.5 MM JACK
GND
+DC
GND
GND
R17
RN3
RN4
J15
RN1
GND
PD0
PD6
PD2
PD4
PG2
PG0
PD5
PC4
PC2
PC0
PF1
PF3
PA1
PA3
PA5
PA7
GND
PD1
PD7
PD3
PD5
PG3
PG1
PD4
PC5
PC3
PC1
PF0
PF2
PA0
PA2
PA4
PA6
PE4
GND
GND
SM0
/IOWR
PG5
PG7
PE1
PE4
PE6
PF7
PF5
PB7
PB5
PB3
PB0
VBAT
EXT
/RES
IN
NC
+3.3V
VRAM
SM1
/IORD
PG4
PG6
PE0
PE3
PE5
PE7
PF6
PF4
PB6
PB4
PB2
/RES
RN2
J1
RCM1JA
C1
C2
R1
R3
R2
UX10
J3
RCM3000 ETHERNET CORE MODULE
SLAVE
MASTER
RCM2
RC18
UX11
RC1
RC2
UX2
C4
C5
C8
C6
C7
S3
S2
RCM2JB
R14
+5V
+5V
+3.3V
+5V
+5V
+3.3V
R16
R15
TP1
BT1
C12
C10
C11
U5
D2
DS2
DS1
PG6
PG7
U3
C9
J8
UX4
RC4
RC25
RC5
RC27
RC28
RC29
RC26
UX13
C14
U3
U6
C16
UX7
RC9
UX5
RC6
RC7
+5V
GND
BA3
BA1
BD0
BD2
BD4
BD6
+5V
BPE3
GND
GND
BA2
BA0
BD1
BD3
BD5
BD7
/RES
LCD
DISPLAY BOARD
RCM30/31/32XX SERIES
PROTOTYPING BOARD
DISPLAY BOARD
J7
J10
DISPLAY BOARD
U1
J5
RS-232
RESET
RCM2JA
RxC TxC
TxB RxB GND
R4
C3
R5
RC15
RC19
RC20
UX9
RC14
RC17
RC16
UX3
J4
PD0
PD6
PD2
PD4
PG2
PG0
PD5
PC4
PC2
PC0
PF1
PF3
PA1
PA3
PA5
PA7
GND
NC
+3.3V
VRAM
SM1
/IORD
PG4
PG6
PE0
PE3
PE5
PE7
PF6
PF4
PB6
PB4
PB2
/RES
GND
GND
SM0
/IOWR
PG5
PG7
PE1
PE4
PE6
PF7
PF5
PB7
PB5
PB3
PB0
PD1
PD7
PD3
PD5
PG3
PG1
PD4
PC5
PC3
PC1
PF0
PF2
PA0
PA2
PA4
PA6
STATU S
VBAT
EXT
/RES
IN
R21
RC12
RC10
RC11
RC13
RC21
RC22
R6
R12
R10
R8
R7
R9
R11
R13
RC23
RC24
Battery
U4
J11
RCM1JB
1
RCM3100
Line up mounting
holes.
C58
C43
RP1
C46
J3
C55
C13
R11
R12
C17
R16
C47
C18
C22
D1
C41
Q1
C56
R19
Y2
C26
R20
C42
C52
C45
C57
GND
RP2
JP4
JP3
JP2
JP1
C44
RP3
RP4
C53
C54
U2
C4 R5
R4
C3
Y1
C14
C39
R26
R14
U5
C23
C59
U7
R24
R17
R18
R21
R30
R23
U6
C24
C25
3-pin
power connector
3
2
RS-232
Do not press down
here.
J8
J10
J7
RESET
J11
J9
RCM2JA RCM2JB
Attach Cables
Connect the 10-pin connector of
the programming cable labeled
PROG to header J1 on the
RCM3100 as shown in Figure 3.
Be sure to orient the marked
(usually red) edge of the cable
towards pin 1 of the connector.
(Do not use the
DIAG connector,
which is used for a normal serial
connection.)
NOTE: Be sure to use the pro-
gramming cable supplied
with this Application Kit—
the programming cable has
red shrink wrap around the
RS-232 converter section located in the middle of the cable. Programming cables from other Rabbit
Semiconductor kits are not designed to work with RCM3100 modules.
Set Up GPRS/GSM Modem
The modem requires a SIM card, and sup-
ports 3 V SIM cards. Before using your
SIM card, contact your service provider to
activate your card as detailed in the instruc-
tions included with your card. You may
call AIRDESK at 1-800-470-2143 to get a
SIM card, and make arrangements for
wireless service and activation. You may
have to wait 8–24 hours for the activation
to come into effect. You may also be asked
for the 15-digit IMEI number of the
modem, which appears with the bar code
label on the modem.
There is a small thumb latch to the right of
the SIM card slot to hold the SIM card in
place. If necessary, move the latch to the
right and slide the SIM card into its slot
with the notched end as shown until it clicks into place. Slide the latch to the left to hold the SIM card
in place.
Use the DB9 to 10-pin adapter cable to connect the modem to the RS-232 header on the Prototyping
Board. Be sure to orient the marked (usually red) edge of the adapter cable towards pin 1 of the con-
nector. Install the antenna and connect the 5 V, 2 A power adapter as shown in Figure 4.
TIP: If you need to reset the GPRS/GSM modem, disconnect, then reconnect its power supply.
The GPRS/GSM modem has its own power supply.
Figure 3. Connect Programming and Ethernet Cables to PC
C58
C43
RP1
C46
J3
C55
C13
R11
R12
C17
R16
C47
C18
C22
D1
C41
Q1
C56
R19
Y2
C26
R20
C42
C52
C45
C57
GND
RP2
JP4
JP3
JP2
JP1
C44
RP3
RP4
C53
C54
U2
C4 R5
R4
C3
Y1
C14
C39
R26
R14
U5
C23
C59
U7
R24
R17
R18
R21
R30
R23
U6
C24
C25
DIAG
PROG
Colored edge
To
PC COM port
Programming Cable
PROG
J3
Colored
shrink wrap
Figure 4. Hook Up GSM/GPRS Modem
Prototyping
Board
C4
C5
C8
C6
C7
S3
S2
DS1
PG6
U1
J5
RS-232
RESET
J12
RxC TxC
TxB RxB GND
+
RS-232
SIM
Card
SIM Card
Insertion
Serial
+
5 V  9 V
Solid black wire
is GND.
Adapter Cable
Antenna
Colored edge lines up
with pin 1
Hardware Connections
Set Up LCD/Keypad Module
If header J5 is installed, remove the jumper on header J5 on
the back of the LCD/keypad module to configure the LCD/
keypad module to operate at 5 V. If the LCD/keypad module
has a potentiometer, the contrast may be adjusted once the
LCD/keypad module is installed in Step 2.
Install Modules on Prototyping Board
Turn the RCM3100 module so that the mounting holes on the
RCM3100 and on the Prototyping Board line up, as shown in
Figure 2 below. Line up the pins on headers J1 and J2 on the
bottom of the module with header sockets RCM2JA and
RCM2JB on the Prototyping Board. Install the LCD/keypad
module on header sockets J7, J8, and J10 of the Prototyping
Board as shown in Figure 2. Press both modules’ pins firmly
into the Prototyping Board header sockets.
Figure 2. Install the Modules on the Prototyping Board
NOTE: It is important that you line up the pins on the modules exactly with the corresponding
pins of the sockets on the Prototyping Board—press down in the area above the header pins
using your thumbs or fingers over the connectors as shown in Figure 2. The header pins may
become bent or damaged if the pin alignment is offset, and the modules will not work. Perma-
nent electrical damage to the modules may also result if a misaligned module is powered up.
Connect the 12 V power adapter to jack J11 on the Prototyping Board as shown in Figure 2 above. The
power LED to the left of the power-supply connection on the Prototyping Board should light up.
NOTE: The RESET button is provided on the Prototyping Board to allow a hardware reset of the
RCM3100 module without disconnecting power.
Figure 1. Remove Jumper
from Header J5 on
LCD/Keypad Module
C2
R2
R1
C3
D2
C1
D1
C5
U2
JP1
R3
U1
C4
C10
CR1
R6
C13
C12
R7
R8
R25
R26
R11
R13
R14
R10
R9
R12
R15
R18
Q8
R16
Q5
R21
Q2
U5
J2
DISPLAY
BOARD
J4
KP1
R17
Q4
R22
Q6
R23
Q7
R20
Q3
R19
U7
C14
R24
C15
C16
U6
U4
C7
C9
U3
LCD1
C11
R4
R5
C6
J1
Q1
J5
C17
RN1
J5
LP3500
2.8 V
OTHER
3.3 V
1
2
3
4
n.c. = 5 V
J5
1
2
3
4
Contrast
Adjustment
Part No. 101-0541
+3.3V
+5V
+3.3V
+5V
GND
GND
GND
GND
+5V
+5V
+3.3V
+3.3V
GND
MOTOR/ENCODER
RN5
J6
R20
JP1
CURRENT
MEASUREMENT
OPTION
+3.3V
+5V
+3.3V
POWER
D1
C13
DS3
L1
C17
C15
POWER
GND
+DC
GND
J9
2.5 MM JACK
GND
+DC
GND
GND
R17
RN3
RN4
J15
RN1
GND
PD0
PD6
PD2
PD4
PG2
PG0
PD5
PC4
PC2
PC0
PF1
PF3
PA1
PA3
PA5
PA7
GND
PD1
PD7
PD3
PD5
PG3
PG1
PD4
PC5
PC3
PC1
PF0
PF2
PA0
PA2
PA4
PA6
PE4
GND
GND
SM0
/IOWR
PG5
PG7
PE1
PE4
PE6
PF7
PF5
PB7
PB5
PB3
PB0
VBAT
EXT
/RES
IN
NC
+3.3V
VRAM
SM1
/IORD
PG4
PG6
PE0
PE3
PE5
PE7
PF6
PF4
PB6
PB4
PB2
/RES
RN2
J1
RCM1JA
C1
C2
R1
R3
R2
UX10
J3
RCM3000 ETHERNET CORE MODULE
SLAVE
MASTER
RCM2
RC18
UX11
RC1
RC2
UX2
C4
C5
C8
C6
C7
S3
S2
RCM2JB
R14
+5V
+5V
+3.3V
+5V
+5V
+3.3V
R16
R15
TP1
BT1
C12
C10
C11
U5
D2
DS2
DS1
PG6
PG7
U3
C9
J8
UX4
RC4
RC25
RC5
RC27
RC28
RC29
RC26
UX13
C14
U3
U6
C16
UX7
RC9
UX5
RC6
RC7
+5V
GND
BA3
BA1
BD0
BD2
BD4
BD6
+5V
BPE3
GND
GND
BA2
BA0
BD1
BD3
BD5
BD7
/RES
LCD
DISPLAY BOARD
RCM30/31/32XX SERIES
PROTOTYPING BOARD
DISPLAY BOARD
J7
J10
DISPLAY BOARD
U1
J5
RS-232
RESET
RCM2JA
RxC TxC
TxB RxB GND
R4
C3
R5
RC15
RC19
RC20
UX9
RC14
RC17
RC16
UX3
J4
PD0
PD6
PD2
PD4
PG2
PG0
PD5
PC4
PC2
PC0
PF1
PF3
PA1
PA3
PA5
PA7
GND
NC
+3.3V
VRAM
SM1
/IORD
PG4
PG6
PE0
PE3
PE5
PE7
PF6
PF4
PB6
PB4
PB2
/RES
GND
GND
SM0
/IOWR
PG5
PG7
PE1
PE4
PE6
PF7
PF5
PB7
PB5
PB3
PB0
PD1
PD7
PD3
PD5
PG3
PG1
PD4
PC5
PC3
PC1
PF0
PF2
PA0
PA2
PA4
PA6
STATU S
VBAT
EXT
/RES
IN
R21
RC12
RC10
RC11
RC13
RC21
RC22
R6
R12
R10
R8
R7
R9
R11
R13
RC23
RC24
Battery
U4
J11
RCM1JB
1
RCM3100
Line up mounting
holes.
C58
C43
RP1
C46
J3
C55
C13
R11
R12
C17
R16
C47
C18
C22
D1
C41
Q1
C56
R19
Y2
C26
R20
C42
C52
C45
C57
GND
RP2
JP4
JP3
JP2
JP1
C44
RP3
RP4
C53
C54
U2
C4 R5
R4
C3
Y1
C14
C39
R26
R14
U5
C23
C59
U7
R24
R17
R18
R21
R30
R23
U6
C24
C25
3-pin
power connector
3
2
RS-232
Do not press down
here.
J8
J10
J7
RESET
J11
J9
RCM2JA RCM2JB
Attach Cables
Connect the 10-pin connector of
the programming cable labeled
PROG to header J1 on the
RCM3100 as shown in Figure 3.
Be sure to orient the marked
(usually red) edge of the cable
towards pin 1 of the connector.
(Do not use the
DIAG connector,
which is used for a normal serial
connection.)
NOTE: Be sure to use the pro-
gramming cable supplied
with this Application Kit—
the programming cable has
red shrink wrap around the
RS-232 converter section located in the middle of the cable. Programming cables from other Rabbit
Semiconductor kits are not designed to work with RCM3100 modules.
Set Up GPRS/GSM Modem
The modem requires a SIM card, and sup-
ports 3 V SIM cards. Before using your
SIM card, contact your service provider to
activate your card as detailed in the instruc-
tions included with your card. You may
call AIRDESK at 1-800-470-2143 to get a
SIM card, and make arrangements for
wireless service and activation. You may
have to wait 8–24 hours for the activation
to come into effect. You may also be asked
for the 15-digit IMEI number of the
modem, which appears with the bar code
label on the modem.
There is a small thumb latch to the right of
the SIM card slot to hold the SIM card in
place. If necessary, move the latch to the
right and slide the SIM card into its slot
with the notched end as shown until it clicks into place. Slide the latch to the left to hold the SIM card
in place.
Use the DB9 to 10-pin adapter cable to connect the modem to the RS-232 header on the Prototyping
Board. Be sure to orient the marked (usually red) edge of the adapter cable towards pin 1 of the con-
nector. Install the antenna and connect the 5 V, 2 A power adapter as shown in Figure 4.
TIP: If you need to reset the GPRS/GSM modem, disconnect, then reconnect its power supply.
The GPRS/GSM modem has its own power supply.
Figure 3. Connect Programming and Ethernet Cables to PC
C58
C43
RP1
C46
J3
C55
C13
R11
R12
C17
R16
C47
C18
C22
D1
C41
Q1
C56
R19
Y2
C26
R20
C42
C52
C45
C57
GND
RP2
JP4
JP3
JP2
JP1
C44
RP3
RP4
C53
C54
U2
C4 R5
R4
C3
Y1
C14
C39
R26
R14
U5
C23
C59
U7
R24
R17
R18
R21
R30
R23
U6
C24
C25
DIAG
PROG
Colored edge
To
PC COM port
Programming Cable
PROG
J3
Colored
shrink wrap
Figure 4. Hook Up GSM/GPRS Modem
Prototyping
Board
C4
C5
C8
C6
C7
S3
S2
DS1
PG6
U1
J5
RS-232
RESET
J12
RxC TxC
TxB RxB GND
+
RS-232
SIM
Card
SIM Card
Insertion
Serial
+
5 V  9 V
Solid black wire
is GND.
Adapter Cable
Antenna
Colored edge lines up
with pin 1
Rabbit and Dynamic C are registered trademarks of Rabbit Semiconductor Inc.
020–0070 • 060831–C
GPRS/GSM Application Kit
Application Kit Contents
• 3 CD-ROMs — Dynamic C
®
and Dynamic C PPP module CDs, with complete product documentation
on disk, and supplemental CD with sample programs and information related to GPRS/GSM Application Kit.
• RCM3100 RabbitCore module.
• Prototyping Board, with a bag of accessory parts for use on the Prototyping Board.
• LCD/keypad module.
• AC adapters: 12 V DC, 1 A for RCM3100 and Prototyping Board; 5 V DC, 2 A for Enfora Spider SA-
GL GPRS/GSM modem.
• Programming cable with level-matching circuitry.
• GSM/GPRS modem: Enfora Spider SA-GL 850/900/1800/1900 MHz.
• ½-wave antenna for modem
• DB9 to 10-pin adapter cable.
• Getting Started instructions and application instructions.
• Rabbit 3000
®
Processor Easy Reference poster.
• Registration card.
Running the Software
1. Install the DC 8.61 software from the Dynamic C CD. Use the license key supplied on the card inside
the CD sleeve.
2. Install the PPP module from the Dynamic C PPP module CD. Using the license key supplied on the
card inside the CD sleeve.
3. Copy the contents from the supplemental CD to a directory on your hard disk. We recommend that
you assign a readily identifiable directory name such as
GPRS_GSM_KIT.
4. Copy the library components from the C:\GPRS_GSM_KIT\GPRS\LIB folder into the LIB\GPRS library
directory of your Dynamic C installation (e.g.,
C:\DCRABBIT_8.61\LIB).
5. Open Dynamic C (for example, by double-clicking on the Dynamic C icon on your PC desktop), and
open the library directory file
LIB.DIR. Add the following lines, and save the file.
...
lib\gprs\gsm_gprs.lib
lib\gprs\kdu_menu.lib
lib\gprs\kdu_menu_sms.lib
lib\gprs\mdm.lib
lib\gprs\modemcntrl.lib
6. With the programming cable and modem adapter cable attached as described in the preceding pages,
and power applied to both the Prototyping Board and the modem, open the sample program
GPRS_GSM_KIT\SAMPLES\GSM\BASIC_SMS.C. Press F9 to compile and download the sample program.
The program should print out some diagnostic information in the Dynamic C
STDIO window. The phone
number for the modem is included in this diagnostic information. Use the phone number to send an SMS
message from a GSM phone to the modem. The sample application will read the message, display the
contents on the screen, and then respond to the SMS message with a preprogrammed message.
Where Do I Go From Here?
Be sure to check the readme_1st.txt file on the supplemental CD and the GPRS/GSM FAQs on the
GPRS/GSM product page from the Rabbit Semiconductor Web site for additional information. The Rabbit-
Core RCM3100 User’s Manual on the Dynamic C CD provides complete information on using and
developing applications for the RCM3100, and includes further information on the Prototyping Board and
the LCD/keypad module. The complete AT command set is available from Enfora’s Web site.
The supplemental CD included with this Application Kit contains sample programs to illustrate:
• using a GSM device (e.g., cell phone) to initiate SMS commands/messages to the RCM3100
• using the RCM3100 to initiate an SMS message to a cell phone via the LCD/keypad module
• using the RCM3100 to establish a PPP connection via GPRS network (opens socket for a GPRS session)
• using the RCM3100 to log on to FTP/SMTP/POP3 servers
• a data-entry menu system for the LCD/keypad module
NOTE: The software for this application kit does not currently support the Dynamic C µCOS-II module.
If there are any problems:
• Use the Dynamic C Help menu to get further assistance with Dynamic C.
• Check the Rabbit Semiconductor Technical Bulletin Board at www.rabbit.com/support/bb/.
• Use the Technical Support e-mail form at www.rabbit.com/support/questionSubmit.shtml.
NOTE: If you purchased your GPRS/GSM Application Kit through a distributor or through a Rabbit
Semiconductor partner, contact the distributor or partner first for technical support.
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Digi GPRS/GSM Application Kit Quick start guide

GPRS/GSM Application Kit
Digi
Brand
Digi
Model
GPRS/GSM Application Kit
Category
Modems
Type
Quick start guide

Digi GPRS/GSM Application Kit is a development platform for creating wireless applications using the RabbitCore RCM3100 module, featuring GPRS and GSM connectivity, an LCD/keypad module, and a Prototyping Board for custom hardware designs. With this kit, you can develop and test applications that utilize SMS messaging, data transfer over GPRS, and interaction with external devices via the Prototyping Board.

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