Starter Kit and User Manual for the HelloDevice
Contents
1. Output WELES y public void wirteValueTCP int outdata Socket socketTCP null byte data new byte 4 34 Starter Kit and User Manual for the HelloDevice 1100 data 0 COMMAND SET data 1 byte outdata gt gt 8 amp Ox000000ff data 2 byte outdata amp Ox000000ff Initialize socket ay socketTCP new Socket InetAddress getByName m host m port socketTCP setTcpNoDelay trujhe SocketTCP getOutputStream write data 0 data length SocketTCP close catch Exception e System out printiln Err e 35 Starter Kit and User Manual for the HelloDevice 1100 Appendix A IP address configuration by using cross over Ethernet cable You may configure the wrong IP address for the HelloDevice that cannot be run in your current network environment You might not initialize the IP address of the HelloDevice before you install it to different network environment In these cases you cannot access the HelloDevice via network since only network based IP configuration function is provided in the HelloDevice In these cases you will have to use cross over Ethernet cable for communication with the HelloDevice The ordinary Ethernet cable is straight type in which Rx line is connected into Rx line of other side and Tx line with Tx line of other side Meanwhile crossover Ethernet cable 1s a cable with Rx connected to Tx of the other side and Tx to Rx of the other side Straight Ethernet ca2. TECHNOLOGIES Starter Kit and User Manual for the HelloDevice 1100 Starter Kit and User Manual for the HelloDevice 1100 Version 1 0 Last revised on July 16 2000 07 16 Printed in Korea Copyright Copyright 2000 Sena Technologies Inc All rights reserved Sena Technologies reserves the right to make changes and improvements to its product without providing notice Trademark HelloDevice is a trademark of Sena Technologies Inc Windows is a registered trademark of Microsoft Corporation Ethernet is a registered trademark of XEROX Corporation Notice to Users When a system failure may cause serious consequences protecting life and property against such consequences with a backup system or safety device is essential The user agrees that protection against consequences resulting from system failure is the user s responsibility This device is not approved for life support or medical systems Changes or modifications to this device not explicitly approved by Sena Technologies will void the user s authority to operate this device Company Address Sena Technologies Inc 210 Yangjae dong Seocho gu Seoul Korea 137 130 Telephone 82 2 573 7772 Fax 82 2 573 7710 Email info sena com Website http www sena com Table of Contents 1 Before You Start 2 Overview 3 Main Board Specifications 3 Power Supply 3 2 Microprocessor 3 3 Ethernet Interface 3 4 Digital I O Interface 3 5 Flash Memory 3
3. commandLen 3 Send command to HelloDevice err sendto sock amp commandBuf commandLen 0 struct sockaddr amp clientAddr sizeof clientAddr if err 1 perror nsend error n exit T73 6 3 2 Communication Using Java Applet The program source code for a Java applet IOdemo java IOComm java Led java and OutButton java can be found at the Source java subdirectory of the HelloDevice installation folder The users can build his own Web based remote I O control by inserting this Java applet in to their Web page The following Java program source shows an example implementing the Internet socket interface using a Java applet that sends and receives I O control signals through the TCP port number 6001 of the HelloDevice Output read public int readValueTCP Socket socketTCP null int tmp 0 int inputData 0 byte rxData new byte 16 byte data COMMAND GET try SOCketTCP new Socket InetAddress getByName m host m port socketTCP setTcpNoDelay true SocketTCP getOutputStream write data 0 data length instream new DatalnputStream socketTCP getInputStream tmp instream read rxData 0 rxData length if tmp 1 inputData int rxData 2 lt lt 8 rxData 3 amp 0x00ff inputData amp Oxffff socketTCP close instream close catch Exception e oystem out println Err e return inputData
4. icd I O control board ice f the HelloDev ircuit diagram o Figure 6 6 C 30 Starter Kit and User Manual for the HelloDevice 1100 6 2 2 Implementing your Hardware 1 Connection to the HelloDevice The user can directly connect his device to the HelloDevice using the 20 pin connector 2 5mm pitch instead of connecting through the demo board The users can access the 5V power supply from the HelloDevice through 20 pin connector or provide their own power supply The state of the input or output contact points can be initialized to run as the High Active or Low Active The I O contact points of the HelloDevice run at 5V TTL power and can recognize high or low inputs depending on the hardware design or can set the output status as high or low depending on user design 2 Input Unit Design The user device can send high or low signal of 5V TTL level to the input interface unit of the HelloDevice through the photocoupler That is when the photocoupler PC345 connected to the input terminal of the external device becomes an ON status the input contact point unit of the HelloDevice can receive the signal and drops from high to low Hello Device Vcc PC PC354NT 1 Figure 6 7 Example of input interface hardware design with the HelloDevice 3 Output Unit Design The 5V TTL level signal generated by the HelloDevice is set to match the voltage level of the user device When the status of the output point is changed f
5. Adobe 7 CHAT E Common Files m 7 DIRECTS d Easy CD Creator E FrontPage E xpress at HelloDevice Utility H 1 Derma E DPRdema e demi m seriall i ernn Figure 5 3 Finding Web server demo files 3 Select a file name to build Save As E x File fame sample hd Sa Save as type HellaDevice file hd Cancel gt Figure 5 4 Saving Web sample Build file Enter the file name of the built image and click Save button to save By default the HelloDevice web files built will have the extension hd The current window closes and Build complete dialog box appears 4 Enter an IP address of the HelloDevice to upload the built files 18 Starter Kit and User Manual for the HelloDevice 1100 a HelloDevice Utility Software for HD 1x00 n x IP Setlp Web Files sys Setup Web Resource C Program FilessHelloDevice Utility E C Program FilessHaelleDrevice tht Dr b4B C Program FilezsHellobrevice Eli Dr Jb C Program Files Hellobevice Eh litusDr 3979 C Program Fles HelloDevice Utility s E 2494 C Program FilessHelleDresice tihke E zen C Program FilessHelloDresice Ulus B a emdi C Program Files HelloDevice Htihtps E 32312 n XPraaram Filas Halla euina Inlii Pi 111n 192 188 1 15 I Target File M anitaring Delete History Figure 5 5 Enteri
6. based on the assumption that you are using HelloDevice Demo Board For example when the input contact point 0 2 4 and 10 are in the high state and the output contact point 1 3 and 5 are in the high state the HelloDevice will send the FB EA 00 2A hexadecimal value response as shown by the Figure 6 3 The socket interface program will interpret this value and display each input and output contact point according to the value Only the input contact point 0 2 4 and 10 as well as the output contact point 1 3 and 5 are in the high state REESE S EP RR IRE SN LS REN ES RO er ON UR FCR Exp e la ee oos p pr o 56 EE gni 9c coo oje Joo o Sos 507 05 59 685 people 1111110111111011010 OxFBEA 0000 0000 1001011010 0x002A Input Contact Point Status Output Contact Point Status Figure 6 3 Interpretation of the I O status Note In response to the I O status monitoring command 4 bytes data in total is practically required that combines 16 input points and 16 output points 32 points 32 bits 4 bytes but the HelloDevice always sends 16 bytes value to the user PC Therefore the user should interpret the first 4 bytes of the receiving packet That s because the Ethernet packet of the general PC LAN card is set to receive at least 64 bytes including IP TCP headers and the LAN card discards the packet that is shorter than minimum Ethernet packet length so that the packet sent from the HelloDevice to the user PC cannot reach to t
7. to the HelloDevice by following the steps described in the Chapter 5 1 Select the TODemo folder that contains the Web files instead of the FirstDemo folder 22 Starter Kit and User Manual for the HelloDevice 1100 3 When uploading is completed run the Web browser and connect to the http 192 168 1 15 mndex html The following I O demo Web page will appear This screen matches the switches and LED s on the demo board Switch and LED mapping is described in Figure 5 12 E Digital 170 demo Microsoft Internet Ex Pimp File Edit View Favotites Tools Help E 8 2 ot Back i em Stop Refresh Home Address httpr 7192 168 1 15ind ee Be Links O O 9 o o E amp Figure 5 11 Web page screen of digital I O demonstration 4 Checking digital output control Buttons on the left side of Web page are used to issue the digital output commands the number show the output contact points When the user presses the 0 on the Web page the LED 0 on the demo board will be toggled on and toggled off when pressed again 5 Checking digital input detection The LED s on the right side of the Web page are used to display digital input and match the switches on the demo board Check to see if the LED color is changed from red to green by pressing the switch on the demo board 23 Starter Kit and User Manual for the HelloDevice 1100 Pini E3 I Elle
8. 15 Starter Kit and User Manual for the HelloDevice 1100 5 Quick Tour This chapter describes how to build a homepage on the HelloDevice web server and demonstrates I O control between the HelloDevice Main Board and Demo Board The following sample program files are included in the Starter Kit 1 First Web server demo sample 2 Demo sample of I O control through the Web 3 Java applet source code for I O demo 4 C program source code for I O demo In chapter 5 1 we will start the Web server using the sample 1 and control the I O device of the demo board through the Web using the sample 2 Sample 3 and 4 will be covered in Chapter 6 Implementing I O Control Function for the User Device sample 1 sample 2 Eg Sre rug BPRDema Hey C Java sample 3 sample 4 Figure 5 1 Locations of HelloDevice Sample Files 5 1 Building a Homepage For the HelloDevice to function as a web server web resources like HTML files image files and Java class files should be stored on the flash memory of the HelloDevice up to 256 files or a total data size of 500 KByte can be 16 Starter Kit and User Manual for the HelloDevice 1100 stored on the flash memory Since the HelloDevice does not use a general operating ststems web files are managed in the form of file index table Web files are stored in the flash memory of the HelloDevice by building an integrated image file and then uploading it onto the HelloDev
9. 192 168 1 15 The web page in Figure 4 9 13 Starter Kit and User Manual for the HelloDevice 1100 verifies that the HelloDevice works successfully as a web server Em hino a Hi rsos li mp ann im Ela Ect Vies Faili Took Help m Lut su Sg a 3 Ext BUA Dio Feii Hors auach Pi i H ton Izd FiFi Pies E hepi Welcome You are currently looking at HelloDevice s 404 html web page If you can see this it means that the installation of the HelloDevice web server was successful You may now add content to this directory and replace this page Go to home Figure 4 9 HelloDevice default Web page 4 3 2 Changing IP address To change the IP address initialize the IP address to the factory default value of 0 0 0 0 and repeat the procedures of setting an IP address in section 4 3 1 At this point ask your network administrator for a new IP address For example let s try to change IP address of 192 168 1 15 to 192 168 1 18 1 Initializing IP address Before you initialize IP address of HelloDevice you have to remove IP MAC address data stored in your PC This information is stored in ARP cache and you can make sure what is stored in the cache by using the following command This is the response of the command in case that IP address of user PC is 192 168 1 100 gt gt arp a Interface 192 168 1 100 on Interface 2 Internet Address Physical Address Type 192 168 1 15 00 01 95 04 02 03 dynamic 192 168 1 23 01 a0 11 3
10. 4 11 0d dynamic 14 Starter Kit and User Manual for the HelloDevice 1100 Remove the corresponding item to the current HelloDevice information by using the following command arp d 192 168 1 15 Now you are ready to initialize current IP address of HelloDevice Go to IP Setup window and click IP Clear button to display a window where you can clear the IP address If you want to clear the current IP address of 192 168 1 15 just enter the current setting of the IP address as shown below in figure 4 10 and click OK button Then the present IP address of 192 168 1 15 set on HelloDevice will be changed to factory default of 0 0 0 0 Current IP 132 1658 1 1h History UK Cancel Figure 4 10 IP address Clear window 2 Verifying the initialization of an IP address Check if Tx LED of HelloDevice blinks When an IP address 1s initialized the HelloDevice will send the BOOTP request message The Tx LED of the HelloDevice will keep blinking 3 Resetting an IP address To reset an IP address to 192 168 1 18 edit modify the contents of the IP address database using the Edit function and repeat the procedures of setting an IP address in section 4 3 1 x MAC Type mm MAC Length IP 192 168 1 18 mac oo for fam for oa Yor Gateway Addr 192 168 1 1 Subnet Mask 55 255 55 O Edit Cancel Figure 4 11 IP address change using the Edit function in the IP address database
11. 6 Firmware 4 Setting Up the Hardware 4 1 Installing Utility Software 4 2 Connecting Hardware 4 3 Configuring Network 5 Quick Tour 5 1 Building a Homepage 5 2 I O Control Demo Using Demo Board 6 Connecting User Devices 6 1 Communication Protocol 6 2 Implementing Hardware 6 3 Sample Programs Appendix A IP address configuration by using cross over Ethernet cable Starter Kit and User Manual for the HelloDevice 1100 1 Before You Start Items supplied in the HelloDevice 1100 Starter Kit HelloDevice 1100 Main Board SV Switching Mode Power Supply SMPS or Power Adaptor Demo Board for I O Control Hardware Cable for I O Control 20 pins 2 5mm pitch Soft HelloDevice Utility Software and Sample Demo Program oftware Download the latest version at http www sena com User Manual Operating Environment Voltage Supply 5V DC 10 Current Supply 200mA or lower Operating Humidity 0 95 Operating Temperature 0 50 Degrees Centigrade Technical Support Sena Technologies Inc 210 Yangjae dong Seocho gu Seoul Korea 137 130 Phone 82 2 573 7772 Fax 82 2 573 7710 Email support sena com http www sena com Starter Kit and User Manual for the HelloDevice 1100 2 Overview The HelloDevice is a connectivity solution that allows any device in any industry to communicate over any network using any interface The HelloDevice 1x00 product family is a board le
12. 6 Contacy Points 16 Gontact Output Points Input Switch HelloDevice Comm Protocol Responds to I O Commands to Control I O Contact Point Status Contact Point Ethernet 192 168 1 23 192 168 1 21 ge m 2 e User PC Figure 6 1 Remote control monitoring of the HelloDevice 25 Starter Kit and User Manual for the HelloDevice 1100 Chapter 6 1 will describe the HelloDevice communication protocol Chapter 6 2 will describe the I O demo board and how to implement user hardware that complies with the HelloDevice I O interface 6 1 Communication Protocol In order to perform remote I O control on the Internet the Internet socket interface should be implemented on the user PC for Internet communication with the HelloDevice The socket interface can be implemented with Clanguage based socket program Or Java applet running on the Web The Internet socket interface for communication with the HelloDevice should be implemented according to the TCP IP protocol This sends the I O control command to the current IP address and to the TCP port number 6001 The HelloDevice interprets the commands to control the I O device connected to the actual HelloDevice The Table 6 1 summarizes the communication commands and response that are sent between the socket interface and the HelloDevice Direction Operation Type Communication Packet Monitoring T O Status O Get Command 1 0 Get Command Response Output Contr
13. Edt Mew Fawlles Tools Help DA al s MEL ea box puse Stop Aelresh Home Gn hip AE TER T o7 IlOdemo sj el iG tite ie 2 iis he e fiel e ic 19 d PS fp d elje ia a EAA C l C i Am L Ow Input device Dutput device LEDS e Figure 5 12 Relationship between the digital I O demo screen and Demo Board 24 Starter Kit and User Manual for the HelloDevice 1100 6 Connecting User Devices The I O control commands are transferred to the HelloDevice through the TCP IP protocol using the Internet socket interface program installed in the user PC The HelloDevice controls the output contact points of its I O interface as high or low and checks the values of the input contact points high or low Input values are transmitted through the network to the socket interface program on the user PC This provides remote command and monitoring functions through the Internet Figure 6 1 shows the remote control monitoring configuration of the HelloDevice and the command response path In short for the user to implement a hardware control and monitoring function through the Internet using the HelloDevice he has to carry out two tasks 1 Implement the Internet socket program or Java applet as specified by the HelloDevice communication protocol 2 Configure hardware to match the HelloDevice I O interface 192 168 1 15 TCP 6001 Port 1
14. In this case the Ethernet controller will automatically resend the packets Starter Kit and User Manual for the HelloDevice 1100 3 4 Digital I O Interface The digital I O interface of the HelloDevice 1100 is equipped with 16 input 16 output contact points Users can connect switch or On Off sensors to the input contact points or connect LED or On Off actuators to the output contact points The following table shows the voltage specifications for I O control The power supply for the operation comes from the HelloDevice connectors Control Min Normal Max Voltage Level Signal V V V a ipe Input Low voltage Vi 0 08 METER N Output Low voltage VoL o oo Table 3 1 Voltage specifications for HelloDevice I O operation Digital I O between the user device and the HelloDevice 1s performed through 2 5mm pitch 20 pin connector J1 and J2 The Figure 3 4 shows pin assignment of the I O connectors 5V TTL Output Contact Point 16 5V TTL Input Contact Point 16 Vcc GND Vcc GND 2 4 s smym m re i 2 2 6 s i 2 mo m 20 ipsps sz ojn m s m m rjs sjs oynuymjum mju Veo 2 GND j j Vcc P x GND Men Fl HI Mr iem E XL gt pons T zx mi d ee Figure 3 4 Pin assignment of I O control connector Starter Kit and User Manual for the HelloDevice 1100 3 5 Flash Memory Web page resources files that the user creates to control the user device are stored in the flash m
15. P request At this point Status bar displays the BootP reply sent 192 168 1 15 message Wait until Tx LED does not blink any longer and then stop the functions of BOOTP server by clicking BOOTP Stop button 6 Use the ping command to check your IP address setting of HelloDevice Run the ping program at the command prompt If your IP address is correctly set the response to the ping will be as follows gt gt ping 192 168 1 15 gt gt Pinging 192 168 1 15 with 32 bytes of data Reply from 192 168 1 15 bytes 32 time 10ms TTL 251 Reply from 192 168 1 15 bytes 32 time lt 10ms TTL 251 Reply from 192 168 1 15 bytes 32 time 10ms TTL 251 If the response above is not displayed the IP address was not entered correctly so you should repeat steps 4 5 and 6 7 Use IP Find to identify IP address setting of HelloDevice Click IP Find button and the window in figure 4 8 will be shown Enter the MAC address of HelloDevice and click Find button The IP address currently set in the Found IP item will be displayed Find IP Dialog MAC hm jm es foe doe des Found IP 192 168 1 15 Received a cancel Figure 4 8 IP address check using the IP Find function 8 Check if the HelloDevice web server operates correctly The HelloDevice has a built in 404 html file in flash memory factory default To check the functions of your web server run any web browser and connect to the address http
16. ble Cross over Ethernet cable You can emulate the 1 1 networking if you hook up cross over cable between your PC and the HelloDevice without being affected by network routing Take following steps for IP address reconfiguration 1 Remove Ethernet cable from your PC 2 Directly hook up cross over cable between your PC and the HelloDevice 5V power suply User PC Cross over Ethernet Cable 36 Starter Kit and User Manual for the HelloDevice 1100 3 Configure the network environment set up of your PC so that it can communicate with the HelloDevice TCP IP parameters of network configuration should be modified temporarily e g Let s say that IP address of the HelloDevice is 192 168 1 23 and that of your PC is 172 168 1 22 Modity the IP address of your PC and gateway as shown in the following picture TCPAIP Properties Ea Bindings Advanced Hablas DAS Configuration Gateway WINS Configuration FP Address An P address can be automatically assigned to this computer IE wer network does not automatically assign IP addresses ask our Aetwork administrator For arr address and then type it in the space below i C Obtain an IP address automatically tf Specify an P address IP Address 192 158 1 22 sei Cancel You may modify the IP address to different IP address of 192 168 1 xx other than 192 168 1 23 since those addresses can also be working in the subnet Then press OK button Yo
17. bnet Mask 55 255 55 O Add Cancel Figure 4 7 BOOTP Database Record Input Window Enter MAC address IP address of HelloDevice 1 and 6 should be always fixed for H W address type and H W address length items for Ethernet MAC address is printed on the sticker on the Ethernet controller chip of HelloDevice main board Figure 4 7 shows an example setting of 00 01 95 04 02 03 MAC address and 192 168 1 15 IP address Since the BOOTP function of HelloDevice is working by using broadcast message you don t have to enter gateway address and sub net mask 3 Click Add button to finish database editing The records entered in step 2 are added to the IP database 4 Launch the functions of BOOTP by pressing the BootP start button The HelloDevice Utility will then operate as a BOOTP server Note that the message on the Status bar will change from Monitoring to Listening BOOTP request If HelloDevice Utility gets BOOTP request from a certain HelloDevice which does not exist in BOOTP DB List it will run DB Setting for BOOTP window automatically User should enter IP address and Gateway address of the HelloDevice and add them to BOOTP DB list 12 Starter Kit and User Manual for the HelloDevice 1100 5 Check the status of Tx LED on HelloDevice The HelloDevice Utility Software will send a reply for IP assignment to the BOOTP request of the HelloDevice The Tx LED will be blinking periodically to indicate a BOOT
18. d lt error n exit 1 Allocate buffer for incoming packet 16 bytes ResponseBuf calloc 0x10 sizeof char Receive incomming packet lenReceived recvfrom sock ResponseBuf 0x10 0 struct sockaddr amp clientAddr amp clientLen if lenReceived 0 perror nError receiving n exit 0 Display incoming packet size printf Nn3d bytes received n lenReceived Store I O status for future use for i20 i 4 i IOStatus i ResponseBuf i Display I O status PEINEF A qe PIE d Kee A printf Input x x t tOutput x x IOStatus 0 IOStatus 1 IOStatus 2 IOStatus 3 IuEG IND UEM SM tA tM CM tM UH m cM MM e BL Free free ResponseBuf Close TCP socket TCPSocketClose void OutputSet charcommandBuf 3 int commandlen int outbit 0 outdata 0x0001 Read output set value printf Select the output point to be set 0 15 3 scanf 3d amp outbit outdata lt lt outbit Read current output status IOMonitor 5 Re Initialize TCP socket TCPSocketInit Determine the output value considering current output status outdata IOStatus 2 8 IOStatus 3 Make TCP command Starter Kit and User Manual for the HelloDevice 1100 commandBuf 0 10Set commandBuf 1 BYTE IOStatus 2 gt gt 8 amp Ox0OO0000ff commandBuf 2 BYTE IOStatus 3 amp Ox000000ff
19. e HelloDevice 1100 Starter Kit provides a Demo Board and sample programs for demonstrating digital I O This section will demonstrate the HelloDevice I O functions 5 2 1 Connecting the Demo Board 1 Turn off the HelloDevice power and remove the Ethernet cable 2 Insert the HelloDevice to the demo board through the digital I O connector HelloDevice Digital I O Demo Board mm mm um um uu m mm mu B E a E va TH TH Ta m LI jid r E zi Zu tra E u std sta vo sa Hij ij G0 80 Ba TE gJ Fa KI za m Figure 5 8 How to insert the HelloDevice into the demo board 3 Connect the power to the HelloDevice again and connect the Ethernet cable Cable Ethernet 9uoq xoeq 1euJ9u13 sige J E 7 I H 7 7 T INL Yi WR du us I Ll lh ji le an sls EE m m sf eoeeoooeenm 7 a jeeeeoemoooeo HN HN mu E m Digital I O Demo Board Figure 5 9 Hardware installation for H
20. elloDevice digital I O demonstraton 21 Starter Kit and User Manual for the HelloDevice 1100 5 2 2 Web Demonstration Use the sample Web files located in the IODemo folder in HelloDevice utility software for digital I O control on the Web Refer to the file location in the Figure 5 1 Web files used for the digital I O demo are index html o jar and 404 html This example demonstrates control of the demo board I O with the HelloDevice connected to the Web 1 Modify the IP address in the index html file in the IODemo folder Input the current HelloDevice IP address to the IP address parameter related to the Java applet in the index html file Leave other parameter unchanged and save the file HTML HEAD lt TITLE gt IOdemo lt TITLE gt lt HEAD gt lt BODY gt lt H1 gt IOdemo lt H1 gt APPLET CODE IOdemo clze ARC iar WIDTH 250 HEIGHT 300 gt lt param name polling value 1 gt lt APPLET gt lt BODY gt lt HTML gt Figure 5 10 Modifying the index html file for digital I O control Note Several parameters can be used for Java applet I O communication IP address HelloDevice IP address TCP port Always set as 6001 Polling interval 100 ms resolution Set proper value according to the application e g polling value 21 means that I O status will be polled at every 10 ms 2 Build and upload the Web files in the IODemo folder Upload the Web page
21. emory of HelloDevice Main Board A4MbBits 512 KBytes Composed of 2 048 sectors of 256 Bytes 3 6 Firmware The HelloDevice Firmware resides in the program memory of microprocessor The firmware includes a TCP IP stack conforming to the Open System Interconnection OSI requirements for an Internet connection and the digital I O interface for connection to the user devices Layer Layer The HelloDevice Supports Digital I O system 6 Presentation e EC rem m q pem exe e rmm memes Table 3 2 OSI 7 Layers and the HelloDevice 1100 Firmware Starter Kit and User Manual for the HelloDevice 1100 4 Setting Up the Hardware The HelloDevice 1100 is as follows Install the HelloDevice Utility Software on user s PC Connect the HelloDevice to the power supply and Ethernet Set the IP address of HelloDevice Check the HelloDevice network connection 4 1 Installing Utility Software Run setup1x00 exe in the HelloDevice CD ROM from the PC that is connect to the network Setup1x00 exe runs on Microsoft Windows 95 98 NT and 2000 Select Complete and press Next button in the setup type display screen Setup Type Choose the setup type that best suits your needs Ereb fil m Figure 4 1 Initial screen of the HelloDevice utility software installation program Starter Kit and User Manual for the HelloDevice 1100 The setup program will automatically be installed onto c Program Fil
22. es HelloDevice utility folder ii HelloDevice Utility Software for HD 1 00 Setup Installing HelloDevice Utility Software for HD 1400 The program Features vau selected are being installed Please wait while the InstallShield Setup wizard installs HellaDevice LEI Software For HD 1x00 This may take several minutes Status Copying new Files meb le i Wisc Snil Figure 4 2 Screen that shows the HelloDevice utility software is being installed Once setup is completed a shortcut icon of the HelloDevice Utility Software is created on the desktop and on the program menu If the following HelloDevice utility main window appears when the shortcut is clicked the setup has been successfully completed HelloDevice Utility Software for HD 1x00 Inl xf IP Set Up Web Fies Sys Set up BoatF DE Type Len HDIP HD MAC Gateway STATUS Manitoring BontF Start 3 IP IP Find Clear Figure 4 3 Initial screen for the HelloDevice utility software Starter Kit and User Manual for the HelloDevice 1100 4 2 Connecting Hardware 1 Connect the 5V DC power supply adaptor to the HelloDevice and press the Reset button 110 220 V Bi EI 15 akal 1 ml HIL i i 5V Power uns HelloDevice Figure 4 4 5V power connection to the HelloDevice 2 Connect the HelloDevice to the Ethernet hub through the RJ45 connector Refer to the Chapter 3 Main Board Specifications
23. for more details on the RJ45 connector 110 220 V tr a 3 S z al 5 5V Power j on HelloDevice Ethernet Cable Hub amp Switch Figure 4 5 Connection of the HelloDevice and Ethernet cable 3 Check to see if the Tx LED of the HelloDevice Status Display LED blinks periodically one second interval See the Status LED in the Figure 3 1 10 Starter Kit and User Manual for the HelloDevice 1100 4 3 Configuring Network In order for a HelloDevice to function as a server on the network a static IP address must be set for the HelloDevice This section describes how to configure and change IP address for a HelloDevice 4 3 1 Setting IP Address The HelloDevice Utility Software is used to set up an IP address for a HelloDevice by utilizing BOOTP BOOTstrap Protocol which is defined in the Internet protocol standard RFC 951 and RFC 1542 The Utility Software provides BOOTP a server function and will respond to the BOOTP request of the HelloDevice Since the factory default setting of the HelloDevice IP address is 0 0 0 0 the HelloDevice sends BOOTP request for IP assignment when it is powered up for the first time Thus users can see Tx LED keeps blinking periodically as a reminder See Figure 3 1 Status LED Since IP address of the HelloDevice is managed by an IP address database a properly allocated MAC IP address record should be entered into the database For a valid IP address users sho
24. g and avoiding errors and collisions See Figure 3 1 Part 3 1 3 3 2 Specifications RealTek Full duplex Ethernet Controller RTL8019AS Supports 10 base 5 10 base 2 and 10 base T compliant with IEEES02 3 16 KByte SRAM NE2000 Compatible 3 3 3 RJ45 Connector Shielded Connector compliant with AT amp T258 specifications See Figure 3 1 Part 3 2 Starter Kit and User Manual for the HelloDevice 1100 1 8 a me W ewionme ao m owe Hue W ewihemm WEN 12Tx4 8 NC 2 Ix 7 NC White with brown 3 RXx 6 Rx a T LN 4 NC 5 NC Figure 3 3 RJ45 connector 3 3 4 Status Indicator LED s There are four status indicator LED s which indicate the following See Figure 3 1 Part 3 3 Power LED Indicates the Power On status of the HelloDevice Rx LED Indicates that the Ethernet controller is receiving Ethernet packets from the network If it 1s correctly connected to the network this LED will blink when packets are received Tx LED Indicates that the Ethernet controller is sending packets Before setting the HelloDevice network configuration this LED will blink every second After network configuration if connected correctly this LED blinks only in response to requests from the user s PC for example ping or server activity Collision LED Indicates that one or more Ethernet packets transmitted from the Ethernet controller to the network may have collided with another packets
25. he socket interface of the user PC The packet that the socket interface receives will be as follows Input contact point status Output contact point status NULL data 6 1 2 Output Control Command The output control command is used to set the output contact points of the HelloDevice to high or low discretionary and no response is generated 27 Starter Kit and User Manual for the HelloDevice 1100 Number of Byte Type Output status control command Output Contact Point Status For example if the user wants to set the HelloDevice output contact point 0 1 2 and 3 as high and others as low the value should be 0x000F and send the hexadecimal value 76 00 0F to the HelloDevice as shown by the Figure 6 4 SAU Control Output Contact Point MSB Output Contact Point MSB Command ee Ce CE CCC ee ee aO ee E E a ee ee RETE RR ES UT RR o o o jo jo jo o jo o jo fo jo t jr fa jr 0000 10000 1001011111 0x000F_ _ S O 0000 0000 0010 1111 0x000F Output Contact Point Status Figure 6 4 Example of output control command 6 2 Implementing Hardware In this chapter the I O demo board is configured as an interface between the HelloDevice and user I O device 6 2 1 HelloDevice I O Demo Board The HelloDevice I O demo board is composed of 16 switches for input demo 16 input display LED s and 16 output display LED s The switches for input demo were designed to run at the Low Active and the output displa
26. ice This image file contains a file index table that is recognized only by HelloDevice web server The HelloDevice Utility Software provides the functions of building and uploading this type of file To make HelloDevice function as a web server perform the following steps 1 Create the web pages with a web publishing tool 2 Use the HelloDevice Utility Software to transform the created web pages into an uploadable form 3 Upload the transformed files to the HelloDevice 4 Use a web browser to connect to the uploaded web page In this example use the web files in the FirstDemo folder to construct a web server home page These examples are composed of an index html HelloDevice block diagram and cube animation demo with a Java applet 1 Select Web files tab to go to the window containing web file manager tools 2 HelloDevice Utility Software for HD 1x00 Fee xj IP Setp Web Files Sys Set up Web Resource ss FileName Size Index Find and Build Web File List box clear Target Fe Select Build File Hi Upload Delete Histo ry Monito ring m Upload Built File Figure 5 2 Web File Tool screen of the HelloDevice Utility Software 2 Click Find button to find web files to build Go to the folder containing the example files select the top level FirstDemo folder and click OK button 17 Starter Kit and User Manual for the HelloDevice 1100 Browse for Folder x H
27. ng the IP address to upload the built files 5 Click the Target file button to select the built image files to upload Look in Si My Documents Talal see hd sample File ame sample hd Files of type HelleDevice file hd Figure 5 6 Screen of selecting the Build files to upload 6 Click Upload button to upload the built image files to HelloDevice This procedure is displayed on the Progress bar and when it has finished a Flash download completed dialog box will appear 19 Starter Kit and User Manual for the HelloDevice 1100 7 Enter URL http 192 168 1 15 index html in the web browser and try connecting The web page in Figure 5 7 will appear If not you might not have entered the value of the IP address correctly and as a result the web server will not operate successfully If the web page fails to appear check the IP address setting of web server and reload the file File Edi few Favones Toole Hel e gt 0 2 m d n d B E Back Forward Stop Riekesh Home Search Favorites Hisoy Mal Pint Edt Discuss SENT TECHNOLOGIES Embedded web server for numerous Devices Low price Internet Figure 5 7 HelloDevice FirstDemo Web page screen A user s homepage can be customized in the same way as described above 5 2 I O Control Demo Using Demo Board 20 Starter Kit and User Manual for the HelloDevice 1100 Th
28. ol Output Set Command Table 6 1 List of communication commands responses for HelloDevice I O control 6 1 1 I O Status Monitoring I O status 1s monitored by a command and its response Commands are sent from the socket interface of the user PC to the HelloDevice in order to read the HelloDevice I O status The Figure 6 2 shows the table used to interpret the monitoring command and its response and output I O contact point Number of Byte Pe a LLL LLAIL Command to monitor the I O status Response to I O status monitoring iis Contact Point at Pit Oui Cond Piu Contact Point is je is j pu mo j9 s8 7j6 5 4j3 2j 1 0 1 13 2 j v j0 9 8 7 6 5 4 3 2 1 0 Input Contact Point MSB Input Contact Point LSB Output Contact Point MSB Output Contact Point LSB Input Contact Point Status Output Contact Point Status Figure 6 2 HelloDevice I O communication protocol 26 Starter Kit and User Manual for the HelloDevice 1100 The status value of I O monitor command and response depends on user s design of the hardware For example the status value may be set as LOW to turn on LED if LED circuitry is designed to operate as Active LOW The user should be careful when setting or interpreting the status value since the result will be based on the hardware design Currently the Input switches of Demo Board are designed to work as LOW Active mode whereas output LED s are implemented as HIGH Active mode The examples in this chapter will be
29. rd Specifications The hardware configuration and the system block diagram of the HelloDevice 1100 Main Board are shown below in Figure 3 1 and Figure 3 2 The board layout in Figure 3 1 may be slightly different from the layout of the HelloDevice main board in the Starter Kit for the performance improvement 16 points digital output 10 Base T SV TTL Ethernet Controller 16 points digital Input 5V TTL 512 Kb Flash Memory Lr LIT Status Display LED EA i gt 288 rus Hs B i 4 RJ45 Ethernet En Connector Microprocessor Figure 3 1 HelloDevice 1100 Configuration and Components Pow er Supply 5V DC 10 Base T Ethernet controller RJ45 connector mee e to Ethernet Sx52BD 512 KB microprocessor Flash Memory Power supply 16 point TTL input 16 point TTL output Figure 3 2 HelloDevice 1100 System Block Diagram Starter Kit and User Manual for the HelloDevice 1100 3 1 Power Supply o Voltage supply 5V DC 10 A Current supply 200mA or lower 3 2 Microprocessor Specifications Scenix SX52BD 8 Bit Microprocessor AKByte Program Memory 52 pin PQFP See Figure 3 1 Part 2 3 3 Ethernet Interface The HelloDevice 1s connected to an Ethernet hub or switch by the RJ45 connector on the Main Board Distances of up to 100m are supported 3 3 1 Ethernet Controller The Ethernet Controller provides the functions of framing and addressing data and detectin
30. rom high to low by connecting the photocoupler PC817 of the HelloDevice between Vcc and the output point a relay can be used for on off control of the connected device Figure 6 8 shows an example of a circuit to use an output contact point 3 Starter Kit and User Manual for the HelloDevice 1100 OB Hello Device Vcc P24 DSP1a DC24V LED RED OU Q3 1 KTD1028 G24 Figure 6 8 Example of output interface hardware design with the HelloDevice 6 3 Sample Programs 6 3 1 Communication Using the Socket Program The following C program source code shows an example implementing the Internet socket interface using the Berkeley socket C API This sends and receives the I O control signals through the TCP port number 6001 of the HelloDevice The users can program an application for remote I O control by modifying this sample code to suite his application The full source can be obtained in the Source C iodemo c subdirectory of the HelloDevice installation folder void IOMonitor charcommandBuf ResponseBuf int commandLen lenReceived int L3 Initialize TCP socket TCPSocketInit Make TCP command commandBuf commandLen IOGet 1 Send command to HelloDevice err sendto sock amp commandBuf commandLen 0 32 Starter Kit and User Manual for the HelloDevice 1100 struct sockaddr amp clientAddr sizeof clientAddr if err 1 perror Ansen
31. u will have to keep in mind your original network environment set up parameters since this is temporary set up for IP address reconfiguration of the HelloDevice 4 Make sure if your PC can communicate with the HelloDevice by using ping utility gt gt ping 192 168 1 23 gt gt Pinging 192 168 1 23 with 32 bytes of data Reply from 192 168 1 23 bytes 32 time 10ms TTL 251 Reply from 192 168 1 23 bytes 32 time lt 10ms TTL 251 Reply from 192 168 1 23 bytes 32 time 10ms TTL 251 5 Run the HelloDevice Utility program 6 Take steps described in chapter 4 3 2 Changing IP address 37
32. uld ask their network administrator Take the following steps to set up the IP address using the HelloDevice Utility Software Hellollevice Utility Software tor HD 1x00 D x IP Set Up Web Files Sys Set up M BootP DE BOOTP database list gt Delete STATUS Monitoring EnotP Hoi IP Start SEENT IP Find Clear BOOTP server function IP address tracing modifying function Figure 4 6 IP address setting screen of the HelloDevice utility software BOOTP database record management function gt MAC Media Access Control address is total 6 bytes and it is composed of 3 bytes organization code and 3 bytes product code MAC address of HelloDevice is composed of 00 01 95 which is a company code and xx xx xx which is a product code E g 00 01 95 01 aa 08 11 Starter Kit and User Manual for the HelloDevice 1100 Setting an IP address with the HelloDevice Utility Software 1 Run the HelloDevice Utility shortcut icon on the desktop of your PC and select IP Set up menu click on the IP Set up window This window provides the BOOTP server function for IP address setup BootP Start BootP Stop trace function IP Find and IP address initialize functions IP Clear 2 Press the Add button and enter the BOOTP database record as shown below DB Setting for BootP x MACType i MAC Length i IP 192 168 1 15 MAC Joo for fos ioa oz qos Gateway Addr 192 168 1 1 Su
33. vel Ethernet controller that lets manufacturers and system integrators connect devices such as home appliances and industrial control systems directly to the Internet via Ethernet and remotely communicate with and control them with standard web browsers such as Microsoft Explore and Netscape Navigator The HelloDevice 1x00 product family is categorized into three types depending on how the HelloDevice connects to a user device Digital I O communication module HelloDevice 1100 Dual port RAM communication module HelloDevice 1200 Serial communication module HelloDevice 1300 Table 2 1 shows the basic specifications of the HelloDevice 1x00 Series Model HelloDevice 1100 HelloDevice 1200 HelloDevice 1300 Basic Spec Scenix Sx52BD 8 bits microprocessor 50 MIPS Memory 512 Kb flash memory Saves user Web files Network 10 Base T Ethernet Interface IEEE802 3 Connection 16 contact points digital channel 2 KB dual port RAM RS 232 485 Max 38 400 bps Connection to the input User device 16 contact points digital output HTTP SMTP BOOTP Internet Protocol TCP UDP Support IP ICMP ARP Ethernet IEEE802 3 HelloDevice utility software for Windows 95 98 NT 2000 platform L L DUELS IP addressing and Web page uploading Table 2 1 Basic specifications of the HelloDevice 1x00 Currently HTTP 1 1 specifications are supported Starter Kit and User Manual for the HelloDevice 1100 3 Main Boa
34. y LED s were designed to run at the High Active Switch for input demo opie contaci Input display LED display Input display LED CLOSED OPEN ai HelloDevice output contact point Input display LED LOW OFF HIGH ON 28 Starter Kit and User Manual for the HelloDevice 1100 The power for the demo board is supplied from the HelloDevice through Vcc GND pin of 20 pin I O interface connector Figure 3 4 shows the pin assignment of the HelloDevice I O interface unit and I O demo board Figure 6 6 shows the circuit diagram of the HelloDevice I O control board Users can design their own I O hardware in consideration of this diagram Use two 20 pin connectors J1 for the HelloDevice input unit and J2 for the HelloDevice output unit to connect the HelloDevice to the I O demo board Additionally the user can connect the demo board to his I O device by connecting J3 to the input unit and J4 to the output unit the HelloDevice J1 is by pass connected to the J3 of the demo board and HelloDevice J2 1s by pass connected to the J4 of the demo board When J3 and J4 on the demo board are connected in this way the I O demo board included in this Starter Kit can be used to debug user s I O device 29 Starter Kit and User Manual for the HelloDevice 1100 VIC ARROW YL ARR YL ARR Vi WwUOC ARR M WIC _ARROVY Sing GN lOM c Oo NS Sas E ca w n2 ME NE ne oma 5 5 D31 LED R46 VEL ARAN ii 3302 CON2UA
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