Atmark Techno Armadillo-J User guide

AJ010
Startup Guide
Version 2.03
December 20, 2004
Atmark Techno, Inc.
http://www.atmark-techno.com/
Armadillo Official Site
http://armadillo.atmark-techno.com/

Armadillo-J Startup Guide ver.2.03
Table of Contents
1. Introduction 1
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2. Precautions 2
2.1. Safety Precautions 2
2.2. Operational Precautions 2
2.3. Software Precautions 2
2.4. Trademarks 2
3. Setup 3
3.1. Component Names 3
3.2. Preparations 4
3.3. Setting the Armadillo-J in its Case 4
3.4. Connecting Cables 5
3.5. Power-on 5
3.6. Shutting down the Armadillo-J 5
4. Network Settings 6
4.1. Starting the Armadillo-J Configuration Tool 6
4.2. Searching for the Armadillo-J 6
4.3. Changing Network Settings 7
4.4. Exiting Armadillo-J Configuration Tool 7
5. Serial Communication 8
5.1. Configuring Serial Communication 9
5.2. Serial Communication Example 10
6. Controlling GPIO 12
6.1. Configuring GPIO 13
6.2. Example of GPIO Utilization 15
7. Troubleshooting 16
7.1. Unable to boot the Armadillo-J 16
7.2. Unable find a Armadillo-J from Armadillo-J Configuration Tool 16
7.3. Unable to configure Serial/GPIO with Armadillo-J Configuration Tool 16
7.4. IP address becomes 0.0.0.0 when DHCP is used with Armadillo-J Configuration Tool 16
7.5. Unable to use serial communication function 16
7.6. Unable to monitor or set GPIO state 16
7.7. Unable to receive GPIO state change notification 16
Appendix.A SNMP Specifications 17
Appendix.B Serial Port Configuration List 18
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Armadillo-J Startup Guide ver.2.03
List of Tables
Table 6-1 GPIO Port Mapping 14
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Table A-1 Armadillo-J SNMP Specifications 17
Table B-1 Armadillo-J Serial Port Setting List 18
List of Illustrations
Figure 3-1 Armadillo-J Interfaces ............................................................................................................ 3
Figure 3-2 Setting Armadillo-J in a Case................................................................................................. 4
Figure 4-1 Armadillo-J Configuration Tool Screen ................................................................................... 6
Figure 4-2 Screen after Searching .......................................................................................................... 7
Figure 4-3 Network Configuration Dialog ................................................................................................ 7
Figure 5-1 Image of Serial Communication ............................................................................................. 8
Figure 5-2 Serial Settings Dialog............................................................................................................. 9
Figure 5-3 Connection Description Screen............................................................................................ 10
Figure 5-4 Connection Configuration .....................................................................................................11
Figure 5-5 Serial Communication Example............................................................................................11
Figure 6-1 Obtaining status of sensor (input port) ................................................................................. 12
Figure 6-2 Setting the Output of a buzzer (output port)......................................................................... 12
Figure 6-3 State change notification of a sensor (input port)................................................................. 12
Figure 6-4 Set GPIO Dialog .................................................................................................................. 13
Figure 6-5 Example of GPIO Settings ................................................................................................... 15
Figure 6-6 Example of Having Received a Trap.................................................................................... 15
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Armadillo-J Startup Guide ver.2.03
1. Introduction
Thank you for purchasing the Armadillo-J [AJ010].
The Armadillo-J is an ultra-compact network computer with Ethernet, Serial and GPIO interfaces.
It can be easily used for Serial-Ethernet conversion and external device control via GPIO in its shipped
state.
Additionally, the Armadillo-J comes with “µClinux” as its standard operating system, allowing the user to
utilize Linux’s extensive software resources by rewriting the content of the Flash ROM. The user can also
use GNU assembler and C-compiler to execute his or her own programs.
■
This manual explains how to use the various Armadillo-J functions that are available in its shipped state.
(If you want to customize the Armadillo-J, refer to “User’s Guide”.
The standard Armadillo-J has the following features:
 Easily Configurable from Windows
With the Windows-compatible “Armadillo-J Configuration Tools”, you can easily configure the network, serial
communication and general purpose I/O (GPIO).
 Serial－Ethernet Conversion
The Armadillo-J allows the user to control serial devices via Ethernet and bridge serial devices to one another
via Ethernet from a PC.
 Remote Monitoring/Controlling GPIO
The Armadillo-J allows the user to easily monitor the input status and configure output of GPIO, and send
notification when the input status changes.
It also uses the SNMP network communication protocol to enable automatic remote control of GPIOs using a
simple program.
Note: Firmware with version number 2.00 or earlier does not support the above functions. If the product has
version 2.00 or earlier, please upgrade the firmware using (image/recover.img) contained in the supplied CD
as according to User’s Guide, Chapter 5 “Rewriting the Flash Memory”.
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Armadillo-J Startup Guide ver.2.03
2. Precautions
2.1. Safety Precautions
Read carefully the following safety precautions to assure correct use of the Armadillo-J.
！
This product uses semiconductor components designed for generic electronics
equipment such as office automation equipment, communications equipment,
measurement equipment and machine tools. Do not incorporate the product
into devices such as medical equipment, traffic control systems, combustion
control systems, safety equipment and so on which can directly threaten
human life or pose a hazard to the human body or property due to a
malfunction or failure. Moreover, products incorporating semiconducto
r
components can be caused to malfunction or fail due to a foreign noise o
r
surge. To avoid injury, death or loss of property in the case of malfunction o
r
failure, be sure to take all possible safety measures.
2.2. Operational Precautions
To avoid permanent damage to the Armadillo-J, the following operational precautions must be observed when
operating the product.
 Power-on:
While the Armadillo-J or peripheral circuits are supplied with power, be sure not to connect or disconnect a
GPIO connector.
 Static Electricity:
Armadillo-J incorporates CMOS devices. Until the product is used, store it safely in the provided antistatic
package.
 Latch-up:
Due to excessive noise or surge from the power supply or I/Os, or rapid voltage fluctuations, the CMOS
devices incorporated in the product can cause a latch-up. Once latch-up occurs, this situation continues
until the power supply is disconnected. As a result, it can damage the device. It is recommended to take
safety measures such as adding a protection circuit into the noise-susceptible I/O lines or not sharing the
power supply with devices that can be the cause of noise.
2.3. Software Precautions
 Software contained in this product:
The software and documentation contained in this product are provided “AS IS” without warranty of any kind
including any warranty of merchantability or fitness for a particular purpose, reliability, or accuracy.
Furthermore, Atmark Techno, Inc. does not guarantee any outcomes resulting from the use of this product.
2.4. Trademarks
Armadillo is a registered trademark of Atmark Techno, Inc.
Other company and product names are registered trademarks or trademarks of the respective companies or
organizations.
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3. Setup
3.1. Component Names
Each Armadillo-J component name and their functions are described below.
③
①
②
④
⑦
⑧
⑨
⑤
⑩
⑥
Figure 3-1 Armadillo-J Interfaces
① LANLink LED (Yellow)
Represents link status of LAN.
② LED (Green)
Unused (lights at all times while powered)
③ LAN Connector
A connector used to connect a LAN cable. PoE (Power over Ethernet) is supported.
Note: The Armadillo-J LAN connector is somewhat deep compared to other generic products. We therefore
recommend the use of a long nailed LAN cable.
④ MAC Address
⑤ Jumper Pins
For detailed information on jumper pin setting, refer to Chapter 5 “Interface Specifications” in the Hardware
Manual.
⑥ Serial Connector
A connector used to connect a serial cable.
⑦ Power Connector
A connector used to connect an AC adapter within a range of DC8V to 48V.
⑧ Power LED (Green)
Represents the power status of the Armadillo-J. It lights while power is on.
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⑨ Status LED (Red)
This LED shows the boot status of the Armadillo-J. It lights after boot up completes.
⑩ Extension Connector
This connector is only available on Armadillo-J (AJ010-CB0).
3.2. Preparations
The following components are normally required when using Armadillo-J.
 Serial Cable
(Dependent on the type of devices connecting to the Armadillo-J, a cross-cable or straight-cable is used.
For PC connection, a cross-cable is used).
 LAN Cable (Category 5 or higher straight-cable)
 AC Adapter (8-48V) or PoE (Power Over Ethernet) compatible HUB
3.3. Setting the Armadillo-J in its Case
Set the Armadillo-J in its case and fit it with the supplied screws as shown in Figure 3-2.
Cover
Armadillo-J
Screws Base
Figure 3-2 Setting Armadillo-J in a Case
Caution: Turning the screws too tightly can damage the case.
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3.4. Connecting Cables
Properly connect a serial cable and a LAN cable.
3.5. Power-on
The Armadillo-J supports not only a normal AC adapter but also power supply via PoE.
If an AC adapter is used, connect the adapter to the power connector. While, if PoE is used, connect a LAN
cable to the LAN connector.
Caution: If power is supplied from both the AC adapter and PoE simultaneously, it can cause the system to
accidentally restart.
When the Armadillo-J is powered on, the power LED lights and it automatically starts its boot process. When
the boot process is completed, the status LED turns on. It takes approximately five seconds from power-on to
the completion of the boot process.
3.6. Shutting down the Armadillo-J
Disconnecting the AC adapter causes the Armadillo-J to shut down (if PoE is being used, disconnecting the
LAN cable does the same).
Be careful not to power off the Armadillo-J while it is applying changes to its internal settings, as these settings
may not be saved properly. A subsequent section describes how the Armadillo-J makes changes to its internal
settings.
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4. Network Settings
4.1. Starting the Armadillo-J Configuration Tool
Network configuration is performed using the “Armadillo-J Configuration Tool” (tools/discover.exe)
contained in the supplied CD. This tool works on Windows98, Windows2000 and Windows XP.
After coping Armadillo-J Configuration Tool to an appropriate folder, double-click the icon to start it.
When started, the following screen appears.
Figure 4-1 Armadillo-J Configuration Tool Screen
To uninstall Armadillo-J Configuration Tool, delete the copied file.
4.2. Searching for the Armadillo-J
Click the “Search” button on Armadillo-J Configuration Tool to start searching for the Armadillo-J.
Discoverable Armadillo-Js are limited to those within the area where “broadcast packets” sent from the
PC using Armadillo-J Configuration Tool can reach. (Normally, broadcast packets do not reach the area
exceeding a router).
When Armadillo-J Configuration Tool finds an Armadillo-J, network information concerning the Armadillo-J
is displayed on the screen.
If more than one Armadillo-J is present, multiple information sets are listed. In this case, specify the
desired Armadillo-J by its MAC address. You can find the MAC address on the top of the device. (Refer
to Section 3.1 “Component Names”).
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Figure 4-2 Screen after Searching
4.3. Changing Network Settings
Select from the list the Armadillo-J whose internal settings you want to change and press the “Set IP”
button or double-click it on the list to display the “Set IP Dialog”.
Figure 4-3 Network Configuration Dialog
Set the network parameters in the dialog and then click “OK” to execute the changes.
(For details about setting these values, consult with your network manager).
Note1: Some time is required to complete the changes to the settings after the “OK” button is clicked. Be
careful not to power off the Armadillo-J before it has completed, as the settings may not be saved.
Note2: If DHCP is selected, the previous IP address of the Armadillo-J will still be displayed. This is because
the assignment of the new IP address by the DHCP server has not yet been performed. Wait for
approximately 10 seconds after changing the settings and then try the “Search” button again. The new
IP address will be displayed.
4.4. Exiting Armadillo-J Configuration Tool
Click the “Close” button or ”×” button on the upper right side of the screen to exit Armadillo-J Configuration Tool.
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5. Serial Communication
You can control a serial controllable device from a PC by connecting it to the Armadillo-J via LAN.
The serial cable used for this connection must be the same type of cable used for connecting the device
to a PC. For more information, refer to the device’s manual.
An image of controlling the device from a PC is shown in Figure 5-1.
Serial
LAN
Conversion
IP Packet Serial Data
PC etc. Modem etc.
Figure 5-1 Image of Serial Communication
By preparing two Armadillo-Js, you can bridge two serial control devices over Ethernet, or create a
network communication program to control a remote device automatically. (When creating a program,
specify port number “21347” on the Armadillo-J end).
Note1: When utilizing serial communication, make sure that jumper pins are properly set according to the
Hardware Manual, Chapter 5 “Interface Specifications”.
Note2: Security measures have not been implemented. Be careful about security when utilizing serial
communication.
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5.1. Configuring Serial Communication
Start up Armadillo-J Configuration Tool and then press the “Search” button. (For information on how to
start up Armadillo-J Configuration Tool, refer to Section 4.1. ”Starting the Armadillo-J Configuration Tool”).
From the discovered Armadillo-J list, select the target Armadillo-J and then press the “Set Serial” button to
display the “Set Serial Dialog”. If the target Armadillo-J is not found in the search, press the “Set Serial”
button and then specify its IP address within the “Serial setting Dialog”.
Figure 5-2 Serial Settings Dialog
If the “Get” button on the “Set Serial Dialog” is pressed, current serial settings are displayed.
If you want to change these settings, change the parameters to the desired value and then press the “Set”
button. The parameters set in this procedure are retained even after the Armadillo-J is restarted.
The following describes the parameters on the “Serial Setting” dialog.
 IP Address:
Specify the IP address of the target Armadillo-J whose serial communication settings are to be changed.
 Connection Method:
This refers to the connection with the Armadillo-J. The following three types of connection methods are
available.
1. TCPSERVER
This is a connection-oriented communication method, being always in standby mode. Once a connection
is established, it will not accept other connection requests until disconnected. Furthermore, if the “Connect
IP address” is specified, it will not accept other IP addresses for connection. (If the IP address of 0.0.0.0 is
specified, it accepts connection requests from any IP address).
Note: If a connection is released immediately after data is transfer to the Armadillo-J, it will not accept
another connection until all the data is completely transferred to serial.
2. TCPCLIENT
This is a connection-oriented communication method, trying to connect to the specified “Connect IP
address” in a short time interval.
(If the Armadillo-J is used as an Ethernet bridge, set one Armadillo-J to TCPCLIENT and the other
Armadillo-J to TCPSERVER).
3. UDP
This is a connectionless-oriented communication method, allowing simultaneous communication with
multiple terminals. It does not insure data arrival and sequence. The data received serially is transferred
to the specified destination IP address.
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 Connect IP Address:
This IP address is used to specify the communication target IP address. (The meaning of the IP address
differs dependent on the type of connection system).
 Bit Rate:
This is the data transfer rate. 600, 1200, 1800, 2400, 4800, 9600, 19200, 38400, 57600, 115200 and
230400 [bps] are available.
 Stop Bit:
This is the number of stop bits. Either “1” or “2” or can be specified.
 Parity:
This is used to specify parity. Either “odd number”, “even number” or “none” can be specified.
 Flow Control:
This is used to specify flow control. Either “none” or “HW Flow” (Hardware) can be specified.
Note: Since SNMP is used in serial configuration, settings can be changed from a MIB browser etc. For
more information about MIB used by the Armadillo-J, refer to the “mibs/armadillo-J.mib” file
contained in the supplied CD.
5.2. Serial Communication Example
This section describes an example of issuing an AT command to a modem connected serially to the Armadillo-J,
utilizing “Hyper Terminal” which is included in Windows as standard.
As sccording to Section 5.1 “Setting Serial Communication”, set connection type to “TCPSERVER” and the
various serial communication parameters to the same settings of the connected modem.
In Windows then click “Start”, “Programs”, “Accessories”, “Communications” and “HyperTerminal”. When
HyperTerminal starts, “Connection Description” is displayed. Enter an appropriate name and then click “OK”.
Figure 5-3 Connection Description Screen
A screen for entering a telephone number and other information is displayed. Set “Connection Method” to
“TCP/IP（Winsock）”. Enter the IP address of the Armadillo-J in the “Host Address” field and “21347” in the “Port
Number” field. Then click “OK”.
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Figure 5-4 Connection Configuration
The connection will be initiated and the cursor will begin to blink in the upper left of the window. The modem
will now respond to any commands that are entered.
Figure 5-5 Serial Communication Example
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6. Controlling GPIO
You can monitor and control Armadillo-J GPIO from a PC or other devices over the network.
The following three are possible:
 Obtaining Input port status
 Setting Output port
 Receiving input port state change notification
GPIO
LAN
Monitoring
Sensor status
Status Request
Sensor
Status Reply
Armadillo-J
PC etc.
Figure 6-1 Obtaining status of sensor (input port)
GPIO
LAN
Buzzer
ON/OFF
Output config. Buzzer
Armadillo-J
PC etc.
Figure 6-2 Setting the Output of a buzzer (output port)
GPIO
LAN
Monitoring
Sensor status
Status change
notification Sensor
Armadillo-J
PC etc.
Figure 6-3 State change notification of a sensor (input port)
Note1: When GPIO is used, make sure that jumper pin(s) are properly set, according to the Hardware
Manual, Chapter 5 “Interface Specifications”.
Note2: Security measures have not been implemented. Be careful of security when using GPIO.
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6.1. Configuring GPIO
First start Armadillo-J Configuration Tool and then press the “Search” button. For information on how to start
up Armadillo-J Configuration Tool, refer to Section 4.1 “Starting up Armadillo-J Configuration Tool”.
From the discovered Armadillo-J list, select the target Armadillo-J and press the “Set GPIO” button to display
the “GPIO Setting Dialog”. If the target Armadillo-J has not been discovered, press the “Set GPIO” button and
specify its IP address within the “GPIO Setting Dialog”.
Figure 6-4 Set GPIO Dialog
Pressing the ”Get” button in the “GPIO Setting Dialog” displays the current GPIO settings. If you want to
change these settings, set each parameter to its desired value and then press the “Set” button.
The following describes each parameter in the GPIO Setting dialog:
 IP Address:
This field is used to specify the IP address of the Armadillo-J whose GPIO settings are to be changed.
 Manager IP Address:
This field is used to the specify IP address of the device which is notified of the state change of the GPIO
input port.
(Notification of state transition is made with SNMP traps).
 Check Cycle:
This field is used to specify the cycle (ms) at which the GPIO input port state is monitored. Valid setting
values are 10ms to 1000ms. (Selecting a lower value enables a higher accuracy of state change, however
the Armadillo-J’s processing load will increase).
 Port Number:
This field is for the GPIO port number. The parameters below are applied to the port number defined in this
parameter. Table 6-1 is the mapping table for the Armadillo-J’s CON2. (For details on CON2, refer to the
Hardware Manual, Section 5.4 “CON2 (GPIO)”).
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Table 6-1 GPIO Port Mapping
Port Number CON2 (GPIO)
1 PORTA0
2 PORTA1
3 PORTA2
4 PORTA5
5 PORTA6
 Mode:
This field is used to specify the function to be assigned to each GPIO port. If a port is not to be used as
GPIO, set it to “serial”, if it is to be used as an input port, set it to “input”, and if it is to be used as an output
port, set it to “output”.
This GPIO mode setting is retained even when the Armadillo-J is restarted. The default value is “serial”.
 Status:
This field is used to monitor or set the current value of each GPIO port. However, if GPIO mode is set
to ”serial” or “input”, changing a setting value will have no effect.
Note that GPIO status setting is not retained when the Armadillo-J is restarted.
 Initial:
This field is used to specify the initial state of each GPIO port when the Armadillo-J is started. However, if
GPIO mode at startup is not set to “output”, the setting value will have no effect. It also should be noted
that the current GPIO state is not changed.
The initial state of GPIO is retained even when the Armadillo-J is restarted. The default setting is “LOW”.
 Trap Time:
This field is used to specify the length of time (ms) that elapses after the state of the GPIO port set to
“input” changes before a notification message is generated. The valid values are 30ms to 604800000ms.
If a notification is not required, set it to “0”.
This trap time is retained even when the Armadillo-J is restarted. The default value is “0”.
Note: Since SNMP is used, the GPIO settings can be configured remotely from a MIB browser etc. For
details on MIB used by the Armadillo-J, refer to the “mibs/armadillo-j.mib” file contained in the
supplied CD.
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6.2. Example of GPIO Utilization
This section describes how to receive a state transition notification message (trap) sent from the Armadillo-J.
To receive the state transition notification message, special software to receive a trap is required, such as:
 NET-SNMP (http://net-snmp.sourceforge.net/)
For information on how to install and use them, refer to the respective HP.
Then change the Armadillo-J GPIO settings. As an example, here the monitoring cycle is set to “100ms”,
manager IP address to “192.168.10.2”, port 1 mode to “input” and trap transmit time to “1000ms”. (For the
manager IP address, specify the IP address of the PC on which the trap receiving software is running).
Figure 6-5 Example of GPIO Settings
When the time duration of 1000ms has elapsed since the state of the Armadillo-J GPIO port number 1
(PORTA0 of CON2) was changed, the PC specified with the manager IP address is notified of the state transition.
An example of having received an Armadillo-J trap with NET-SNMP is shown in Figure 6-6.
snmphost:/root# snmptrapd -L o -f
2004-12-20 14:40:52 NET-SNMP version 5.1 Started.
2004-12-20 14:40:55 192.168.10.146 [192.168.10.146]:
SNMPv2-MIB::sysUpTime.0 = Timeticks: (32606) 0:05:26.06 SNMPv2-MIB::snmpTrapOID.0 = OID:
ATMARKTECHNO-MIB::changestatus.0 ATMARKTECHNO-MIB::portData.1 = INTEGER: low(0)
2004-12-26 14:41:44 192.168.10.146 [192.168.10.146]:
SNMPv2-MIB::sysUpTime.0 = Timeticks: (32826) 0:05:28.26 SNMPv2-MIB::snmpTrapOID.0 = OID:
ATMARKTECHNO-MIB::changestatus.0 ATMARKTECHNO-MIB::portData.1 = INTEGER: high(1)
Figure 6-6 Example of Having Received a Trap
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7. Troubleshooting
7.1. Unable to boot the Armadillo-J
 Check to see that the power LED lights on. If it doesn’t, make sure that the power cable is properly
connected.
7.2. Unable find a Armadillo-J from Armadillo-J Configuration Tool
 Make sure that LANLinkLED lights on. If it doesn’t, properly connect a LAN cable.
 Make sure that a router is not present between the PC using Armadillo-J Configuration Tool and the target
Armadillo-J. If a router is present between them, the Armadillo-J cannot be discovered.
7.3. Unable to configure Serial/GPIO with Armadillo-J Configuration Tool
 The Armadillo-J firmware may be an old version.
Following the User’s Guide, Chapter 5 “Rewriting the Flash Memory”, replace the firmware with that
contained in the supplied CD (image/recover.img).
7.4. IP address becomes 0.0.0.0 when DHCP is used with Armadillo-J
Configuration Tool
 Make sure that a DHCP server is present within your network.
 There are cases when the IP address might be displayed as 0.0.0.0 during the time between choosing
DHCP and the acquisition of an IP address. Once around 10 seconds have passed after making the
changes, try a search once more.
7.5. Unable to use serial communication function
 Make sure that the IP address of the Armadillo-J is correctly specified.
 Make sure that the port number of 21347 is correctly specified.
 Following the Hardware Manual, Chapter 5 “Interface Specifications”, make sure that all jumpers are
properly set.
 Following section 5.1. “Setting Serial Communication”, make sure that serial communication settings are the
same with those for the connected device.
7.6. Unable to monitor or set GPIO state
 Make sure that the IP address of the Armadillo-J is correctly specified.
 Following section 6.1 “Setting GPIO”, make sure that each port mode is properly set.
7.7. Unable to receive GPIO state change notification
 Following section 6.1 “Setting GPIO”, make sure that the port mode is set to “input”.
 Following section 6.1 “Setting GPIO”, make sure that trap time is set to a value other than “0”.
 Following section 6.1 “Setting GPIO”, make sure that manager IP address is properly set.
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Appendix.A SNMP Specifications
Specifications of the SNMP used by the Armadillo-J are shown in Table A-1.
Table A-0-1 Armadillo-J SNMP Specifications
Port Number for Agent 161
Trap Version SNMP v2c
Destination Port Number for Trap 162
Trap Transmit MIB Data armadillo-j.parallel.portTable.portEntry.portData.1-5
MIB Definition File Contained in the development kit CD (mibs/armadillo-j.mib)
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