HD132x Series User Manual
Contents
1. HD132x Series User Manual char bufReceived BUFSIZI Gl ca int nCountReceived 0 int nCommand 0 int nShowMenu 0 memset bufReceived 0 sizeof bufReceived while 1 receives data from a connected socket HD1320 nCountReceived reev sockClient bufReceived sizeof bufReceived 0 if nCountReceived 0 HelloDevice closed the client socket printf Disconnected from client d d d d n addrClient sin addr S un S un b s bl addrClient sin addr S un S un b s b2 addrClient sin addr S un S un b s 53 addrClient sin addr S un S un b s b4 DisplayMenu Scanf d amp nCommand return nCommand else if nCountReceived lt 0 if nShowMenu SHOWMENU DisplayMenu scanf d amp nCommand return nCommand else continue else received some data Send echo to client if SerialSend bufReceived nCountReceived Sending echo error printf Fail to send echo to client d d d d n addrClient sin_addr S_un S_un_b s_bl addrClient sin_addr S_un S_un_b s_b2 addrClient sin_addr S_un S_un_b s_b3 addrClient sin_addr S_un S_un_b s_b4 DisplayMenu 45 HD132x Series User Manual scanf d amp nCommand return nCommand printf Data s n bufReceived nCountReceived 0 nShowMenu 0 memset bufReceived 0 sizeof bufRece2. amp addr 0 sizeof addr memset char amp serverAddr 0 sizeof serverAddr Set my IP address TCP port 6001 addr sin_family AF_INET You may use any port other than 6001 in host side addr sin port htons 6001 addr sin_addr s_addr INADDR_ANY Set HelloDevice IP address TCP port 6001 serverAddr sin_family AF_INET serverAddr sin_port htons 6001 printf tby Using port d on the HelloDevice n ntohs serverAddr sin port serverAddr sin addr s addr htonl ipAddr Connecting to HelloDevice err connect sock struct sockaddr amp serverAddr sizeof serverAddr if err 1 perror nCannot connect to HelloDevice n exit 1 printf 2 Connected to HelloDevice d port n ntohs serverAddr sin port Close TCP socket void TCPSocketClose closesocket sock 40 HD132x Series User Manual 5 2 2 When the HelloDevice is TCP Client This is the case when the HelloDevice is TCP Client and the sample program on the PC TCP Server The scenario of the sample program is as follows 1 The serial device sends data to the HelloDevice through serial ports 2 The HelloDevice receives data from the serial device 3 The HelloDevice connects to the PC over the Internet The IP address of the PC is stored in the HelloDevice The HelloDevice sends data to the PC over the Internet The PC receives data from the He
3. he x 5 55 z 8 ak 5 4 8 E 142 a 950 Ps 55 3 B 1 0 524 4 RE nc i 19 a nb a in 4 m 1 i E oc E 4 5 9 E 4 T ki i 970040 Figure 4 3 HD1321 Connector Pin Assignment and User Device Circuit Diagram 16 HD132x Series User Manual 4 2 Installing HelloDevice Utility Software Run setup exe in the HelloDevice CD ROM from the PC that is connected to the network Setup132x exe runs on Microsoft Windows 95 98 ME NT 2000 The initial screen of setup132x exe is shown below in Figure 4 1 iE HelloDevice Utility Software for HD 1325 Setup Choose the setup type that best suits your needs Figure 4 4 Initial Screen of Setup Program Select Complete if you want to install the software in a default directory then the setup program will automatically install the software onto Program Files sena HelloDevice Utility_HD1320 If you want to install the software somewhere else then select Custom and choose a directory folder where the program will be installed Figure 4 5 17 HD132x Series User Manual Custom Setup Select the program features you want installed Programs Example files Figure 4 5 Initial Screen of Custom Setup When the installation has been completed the HelloDevice Utility Software shortcuts are created on your desktop and
4. System info transmission cycle Figure 4 19 Network Mode Window System parameters are classified as follows e Parameters for the HelloDevice e Parameters for the data server e Parameters for the remote server that communicates with the HelloDevice 4 4 2 1 Parameters for the HelloDevice IP mode TCP mode and Notifier are parameters for the HelloDevice You need to tell what kind of IP the HelloDevice uses i e static or dynamic IP in IP mode and what kind of function it requires i e server client or server client in TCP mode 30 HD132x Series User Manual 1 IP Mode Static IP mode Static IP mode is when your IP address of the HelloDevice is a fixed IP address After setting the IP address it will be stored even when the power is turned off When operating in this mode the IP address set in 4 3 2 will be in memory unless the IP address is initialized with IP Clear command Dynamic IP mode Dynamic IP mode is when your IP address of the HelloDevice is a floating IP address Under such setting when the power is restarted the IP address will be reset through DHCP DHCP is a method of granting use for an IP address from the DHCP server temporarily The HelloDevice is programmed to automatically request for an IP reset after 24 hours Therefore in the case of dynamic IP mode the IP address which was already set will be maintained for 24 hours Note In the case of Dynamic IP mode the IP address can
5. click on Change Checkbox enter the new ID and password and press Send See Figure 4 17 and 4 18 28 HD132x Series User Manual HelloDevice Utility Software for HD 132x Figure 4 17 Setting New ID amp Password Figure 4 18 Confirming Password Change ID and Password can be up to 8 characters and consists of characters or numbers or any special symbols ID and Password are managed by the MAC address in PWD ini file in the folder where the HelloDevice Utility Software is installed PWD ini is automatically referred to when you use IP Clear IP Find and Parameter window Note If you re install the HelloDevice Utility Software the previous PWD file will be deleted also Therefore we suggest you always keep the backup file of PWD ini 29 HD132x Series User Manual 4 4 2 System Parameter In Network Mode window select setting system parameters Figure 4 19 HelloDevice MAC Addr L2 ini x HelloDevice Utility Software for HD 132x IP Address Password Netwof Mode Serial Delete History IP Addr Setup Method MAC 00 01 95 04 0B 1B Destination IP 255 255 255 TCP Comm TOP Comm Operaion Mode Mode TCP Comm Server IP Addr Effective in Client mode TCP Comm Server TCP Port Effective in Client mode Device Comm TCP Mode HD PORT Server amp Client 6001 TCP IP Comm Port of HelloDevice
6. User Manual 3 Product Specifications 3 1 HD1320E HD1320 The hardware configuration of HD1320E and HD1320 are shown below in Figure 3 1 a b and the system block diagram in Figure 3 2 Status LEDS RJ 45 Connector To Ethernet Serial Connector RS 232 Power Connection 7 5V 9V DC Figure 3 1 a HD1320E Power Connection 7 5V 9V DC RJ 45 Connector Serial Connector To Ethernet RS 232 Figure3 1 b HD1320 HD132x Series User Manual 10 Ethernet controller RJ45 connector filter 10 Base T to Ethernet Sx52BD microprocessor 1 serial port RS232 Figure 3 2 HD1320 System Block Diagram Power supply 3 1 1 Power Supply e Voltage Supply 7 5V 9V DC e Current Supply 150mA min 3 1 2 Ethernet Interface The HelloDevice is directly connected to an Ethernet hub or switch by the RJ45 connector Distances of up to 100m are supported 1 Ethernet Controller The Ethernet controller provides functions of framing addressing data detecting avoiding errors and collisions Specifications e RealTek Full duplex Ethernet Controller RTL8019AS e 802 3 10Base T Support e 2000 Compatible HD132x Series User Manual 2 RJ45 Connector e Shielded Connector compliant with AT amp T258 specifications EE Pin No Description Wire Color 1 White with orange 2 T
7. can not be changed during RS232 data transmission HD Port HD Port is the port number of the HelloDevice for TCP connection in TCP Server mode The range is 2000 65535 Server IP Server PORT When your HelloDevice is set to TCP Client mode you need to specify the IP address and the port number of a remote server that is to communicate with the HelloDevice The range PORT is 2000 65535 3 Notifier Data server means the server that administers information of the HelloDevice This is only when IP mode of the HelloDevice is set to Dynamic IP mode AND the environment requires TCP server function DHCP TCP server since the IP address keeps changing every 24 hour in Dynamic IP mode there is a need for a data center to administer the IP address and other information of the HelloDevice To configure a data center the UDP server socket program which administers setup information that is periodically transmitted from the PC and the HelloDevice must be running Refer to Section 5 3 The HelloDevice sends its IP address and other information to the data server according at an interval set in Time Interval The range of Time Interval is from 90 seconds to 6 hours 4 4 3 RS232 Communication Parameter This section describes how to set parameters of the HelloDevice for RS232 communication Select Serial windows for setting system parameters Figure 4 19 Baud 150 300 600 900 1200 2000 2400 3600 4800 7200 960
8. ports of the PC and the HelloDevice with the RS232 cable For the cable specification please refer to Mainboard Specification in Chapter 3 Ethernet backbone TCP IP Communication TCP IP Terminal Program HelloDevice 192 168 1 18 192 168 1 24 HD Port 6001 m 1 m d LL ul RS232 Terminal Program COMI or COM2 RS232 Communication Figure 5 1 Demo Configuration for RS232 TCP IP Communication 34 HD132x Series User Manual 2 Set the TCP mode of the HelloDevice TCP mode of the HelloDevice must be set Server Client or Server Client and this is when the HelloDevice functions as TCP Server In Network Mode window set the TCP mode to TCP Server and the port to 6001 Refer to the TCP topic in 4 4 2 In this section an IP address of the HelloDevice is assumed to be 192 168 1 18 In this TCP Server mode the HelloDevice functions as TCP server and allows the connection request from client side only Set serial parameters for RS232 communication as follows For RS232 communication settings refer to Section 4 4 3 9600 baud rate Parity None Data bit 8 Stop bit 1 Handshake None Time 50 seconds 3 Launch TeraTerm Pro for serial communication on the PC 4 Set the port to COM2 port TeraTerm Pro Parameters of TeraTerm Pro should be the same as serial parameters of the HelloDevice Bi Tera Term 2 F
9. 0 19200 38400 9 9 Parity One of None Even Odd 32 HD132x Series User Manual Data Bits One of 5 6 7 8 bits Stopbit One of 1 1 722 bit Handshake One of None H W X On Off Time Time tells the HelloDevice for how long to hold TCP IP socket when there is no RS232 data input from the user device Minimum 4 seconds maximum 100 seconds or Unlimited Below is an example of MAC address 00 01 95 04 0B 1B 9600 baud rate Parity None Data bit 8 Stop bit 1 Handshake None and Time 50 seconds HelloDevice Utility Software for HD 132x Figure 4 20 Setting Serial Parameters 33 HD132x Series User Manual 5 Quick Tour In this chapter we will describe how to establish RS232 TCP IP connection using shareware terminal software such as TeraTerm Pro HyperTerminal or Telnet and how to implement such communication using sample socket programs provided in the CD ROM And then we will describe how to implement a data server program using a sample program that manages an IP address and other information of the HelloDevice when HelloDevice functions as TCP server with a dynamic floating IP address In this chapter we will use TeraTerm Pro for terminal software to describe each procedure 5 1 Checking RS232 TCP IP Communication using TeraTerm Pro Following items are required to complete the task e HD1320E e RS232 communication cable e Networking PC e TeraTerm Pro or terminal program 1 Connect RS232
10. 232 TCP IP Communication using TeraTerm Pro 34 5 2 Checking RS232 TCP IP Communication using Sample 37 5 2 1 When the HelloDevice is TCP Server with a static IP 5 38 5 2 2 When the HelloDevice is 41 5 2 3 When the HelloDevice is TCP server with a dynamic IP address 49 Appendix RS232 Cable Connection sese esee enne entente 55 1 Before You Start gt Items supplied in each model of the HD132x Series HD132x Series User Manual Items HD1320E HD1320 HD1321 Hardware Product Type External Box PCB Board PCB Board Power Supply Adaptor RS232 Cable E Software CD ROM Download the latest version of HelloDevice Utility Software and Demo Sample Programs at http www sena com User Manual Hardcopy gt Operating Environment Voltage Supply 7 5V 9V DC HD1320 1320E 5V DC 10 HD1321 Current Supply 150mA min Operating Humidity 0 95 Operating Temperature 5 C 55 C gt Technical Support Sena Technologies Inc 210 Yangjae dong Seocho gu Seoul 137 130 Korea Tel Fax E Mail Website 482 2 573 7772 482 2 573 7710 support sena com http www sena com HD13
11. 2x Series User Manual 2 Overview HD132x Series is an RS232 to TCP IP protocol converter which enables data communication between the device and the user over the Internet as client and or server With HD132x Series users can easily send data to the device and or receive data from the device over the Internet The HD132x Series is divided into three models depending on the product type External box HD1320E Board HD1320 Module HD1321 An existing device with the serial port RS232 can be connected to the Internet simply with an external type HD1320E without using any expensive dedicated PC and lengthy serial cables Manufacturers can easily integrate their own network enabled products with a board type HD1320 or module type HD1321 into the circuit board of the product without major design changes Table 2 1 shows the basic specifications of the HD132x Series Saas HD1320E HD1320 HD1321 Ubicom SX52BD 50 MIPS 32KB SRAM Buffering space for incoming data from the serial port 10BaseT Ethernet MAC Ethernet Interface 45 Ethernet Connector amp PHY Interface Serial Interface Male DB9 RS 232 Serial Port TTL RS232 Serial Port ARP IP I CMP TCP IP Server amp Client DHCP Client HelloDevice Utility Software for Windows 95 98 NT 2000 platform Physical 98mmx66mmx30mm 86mmx53mmx16mm 41 38 16 Properties 108g 44g 10g Table 2 1 Basic Specifications of HD132x Series HD132x Series
12. Data Output 4 NC Not connected 5 GND Signal Ground 6 NC Not connected 7 RTS Ready To Send Handshake Output 12V Ready to Rx 12V Not Ready to Rx 8 CTS Clear To Send Data sent 9 NC Not connected Data sent only at 3 12V Figure 3 4 Pin Assignment of DSUB Connector HD132x Series User Manual 3 2 HD1321 The HD1321 hardware structure is shown in Figure 3 5 and the system block diagram is as shown in Figure 3 6 Rear side microprocessor UAR 10BaseT Ethernet Chip e External interface Ethernet interface Power Connection 5V DC TTL RS232 interface Ethernet controller Sx52BD 10 Base T microprocessor External I nterface Ethernet RS232 Power Interface supply Figure 3 6 HD1321 System Block Diagram 10 HD132x Series User Manual 3 2 1 Power Supply e Voltage Supply 5V DC 10 e Current Supply 150mA min 3 2 2 External Interface There is a total of 20 pins in the connector JP1 and JP2 in HD1321 to interface microprocessor Ethernet controller and UART with the user device See Table 3 1 and Figure 3 7 Connector Pin Symbols Descriptions Remarks 1 GND Power Supply Grounding 2 Reset System Reset Low Active prom Ethernet Communication Status LED LEDO Tx LED1 Rx LED2 Collision JP1 6 TPOut Ethernet Signal TPOut 7 TPOut Ethernet Signal 8 TPin Ethernet Signal 9 T
13. Device from your existing DHCP server the IP address will be automatically assigned from the DHCP server as soon as you turn on the power of the HelloDevice If Tx LED stops blinking it means that an IP address has been normally assigned 4 3 1 2 Assigning an IP address from DHCP Server in the HelloDevice Utility Software Since the HelloDevice Utility Software supports DHCP server function it responds to DHCP request of the HelloDevice The IP address of the HelloDevice is managed by DHCP database in the HelloDevice Utility Software and you need to enter the MAC address and IP address to DHCP database MAC 1 MAC Media Access Control address is total 6 bytes with 3 bytes of organization code and 3 bytes of product code respectively MAC address of the 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 00 01 95 01 02 01 19 HD132x Series User Manual address is labeled on NIC Network Interface Card of the HelloDevice and the user specifies an IP address Consult your network manager for correct network information Now let s assign an IP address with the HelloDevice Utility Software step by step 1 Launch the HelloDevice Utility Software and select IP Address tab In IP Address window you can set an IP address using DHCP server function DHCP Start DHCP Stop and you can trace and clear the IP address IP Find IP Clear HelloDevice Util
14. PIn Ethernet Signal TPIn 10 Vcc 5V Power Supply 1 Vcc 5V Power Supply 2 NC 3 DSR RS232 Data Set Ready 4 CTS RS232 Clear To Send 5 DTR RS232 Data Terminal Ready 6 RTS RS232 Ready To Send 7 RxD RS232 Data Input TTL Level 8 TxD RS232 Data Output 9 NC 10 GND Grounding Table 3 1 HD1321 Pin Assignment 11 HD132x Series User Manual ARCA 0850071 036 TAIWAN Tm pre mee s HT Eco SENA 7 LT 01321 we _ anns Figure 3 7 HD1321 External Interface 12 HD132x Series User Manual 3 3 Firmware Structure 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 serial communications interface for connection to the user device Application RS232 Communication Interface System DHCP Management EL Cpe o Table 3 2 OSI 7 Layers HD132x Firmware 13 HD132x Series User Manual 4 Setting Up Your HelloDevice The HelloDevice is installed in a following order Connect the HelloDevice to the power supply and Ethernet Install the HelloDevice Utility Software on your PC Assign an IP a
15. RxD TxD RTS and CTS pins If and DSR are required for the flow control you can disconnect pins 1 DCD 4 DTR 6 DSR of the RS232 connector as shown in Figure 6 1 to allow flow control communication with only RTS and CTS In case of HD1321 5V TTL signal is provided for RS232 communication and it supports RXD TXD RTS CTS DTR and DRS signals 55 HD132x Series User Manual HelloDevice Serial Port 5 GND 7 RTS 8 CTS HelloDevice User Device HelloDevice User Device TxD TxD TxD TxD GND GND GND GND RTS RTS RTS RTS CTS CTS CTS CTS DTR DTR DTR DTR DSR DSR DSR DSR DCD DCD DCD DCD a Using Hardware Flow Control b Not using Flow Control Figure A HD1320 1320E RS232 Cable Connection Method 56
16. TECHNOLOGIES HD132x Series User Manual Version 1 1 HD132x Series User Manual Version 1 1 Last revised on May 28 2001 Printed in Korea Copyright Copyright 2001 Sena Technologies Inc All rights reserved Sena Technologies is having 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 are 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 137 130 Korea Phone 82 2 573 7772 Fax 82 2 573 7710 Email info sena com URL http www sena com Contents Before uite re ette ner Pate revo isa tet ive vo peo toyed 4 PO TL 5 3 Product Specificatioris er D peine oie 6 34 TID1320E eren E
17. at 6 Sali Power SUpply sciret rete ead 7 3 12 Ethernet Interface iie eie ane ire peines 7 3 1 3 RS232 Communication Interface sse 9 3 2 HD 1921 hieme tee petis E e i ail 10 32 1 Power Supply tO tn te 11 3 2 2 External Interface enn trn nnn treten nnne nnns 11 3 8 Firmware Structure amanekina aaea aana aa aaa aaa seen A aaa Ea AA nnns entree innen 13 4 Setting Up Your 14 4 1 Gonnecting Hardwares cete ep ee eee eit eta 14 4 1 1 Connecting HD1320 1320 0 004 14 4 3 2 Gonnecting FID 1321 tribe eder braune 16 4 2 Installing HelloDevice Utility Software nennen 17 4 3 Managing an IP address of the 19 4 3 1 Assigning an IP Address eceania eene en nnne 19 4 3 2 Changing an IP Address sse ener nnn entren 25 4 4 Setting Parameters edu ees edite te a 27 4 4 1 Password Parameter de derer 27 4 4 2 System 0 20244 1 1 00 30 4 4 3 RS232 Communication Parameter sess 32 SRI 34 5 1 Checking RS
18. at winsock be initialized if WSAStartup 0x0101 amp lpWSAData INVALID_SOCK printf nCannot open WinSock n exit 1 else Ll HD132x Series User Manual printf WinSock Opened waiting n Create Windows socket for UDP sock socket AF_INET SOCK_DGRAM 0 if sock lt 0 perror nsocket error n exit 1 Setupo the port configuration UDP port 514 addr sin_family AF_INET addr sin_port htons 514 addr sin addr s addr htonl INADDR ANY Launch UDP socket if bind sock LPSOCKADDR amp addr sizeof addr SOCKET ERROR printf n Socket error program terminated n exit 1 UDP Socket Run void UDPSocketRun int nAddrFromLen sizeof addrFrom IN_ADDR inFrom char test_buff 300 char dbuffer 9 char tbuffer 9 tht 5 Wait until it receives data byte received 52 HD132x Series User Manual recvfrom sock test buff 250 0 LPSOCKADDR amp addrFrom amp nAddrFromLen if byte received SOCKET ERROR printf n Socket error program terminated n exit 1 memcpy amp amp addrFrom sin_addr 4 Calculate date amp time _strdate dbuffer printf n Info was notified on s dbuffer _strtime tbuffer printf s Mn tbuffer Decode the incoming datagram printf n from s
19. cute ping at the Command prompt If set correctly the following reply will be received 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 L 251 Reply from 192 168 1 15 bytes 32 time lt 10ms L 251 Reply from 192 168 1 15 bytes 32 time 10ms L 251 If you don t get the message above repeat steps 5 6 and 7 Because the IP address has not been assigned correctly 8 Confirm the HelloDevice IP address using IP Find 22 HD132x Series User Manual When IP Find button is pressed the following window will appear Enter the MAC address of the HelloDevice and press Find IP The IP address that is currently set will appear in Found IP box Find IP Dialog es sos us die Delete History Found IP 192 168 1 15 Received Figure 4 10 IP Find Window If you press more System info window will appear and you can observe information of the current communication status of the HelloDevice Figure 4 11 shows System Info window and a simple summary of each item in this Figure is shown in Table 4 1 Note 1 You can use Find IP and other system functions after setting the password parameter Refer to Section 4 4 1 2 You can use Find IP only in LAN Local Area Network of the same network Hop Collecting information from the remote location over the Internet is impossib
20. ddress of the HelloDevice e Set parameters of the HelloDevice 4 1 Connecting Hardware 4 1 1 Connecting HD1320 1320E Since the hardware architecture of HD1320E and HD1320 is identical to each other so is the setup process In this section HD1320E is used as an example 1 Connect the 7 5V 9V DC power supply adaptor to HD1320E 110 220 V HD1320E 7 5V DC Power Figure 4 1 Power Connection to HD1320E 2 Connect HD1320E to the Ethernet hub through RJ45 Refer to Chapter 3 for details on RJ45 connector 14 HD132x Series User Manual 110 220 V ouogyoeq PUMPA 7 5V DC Pwer HD1320E Ethernet Cable Hub amp Switch Figure 4 2 Connection of HD1320E and Ethernet Cable 8 Check to see if the Tx LED in Status LED s blinks every second Tx LED blinks periodically when an IP address is not assigned which is normal at this stage See Status LED s in Figure 3 1 15 HD132x Series User Manual 4 1 2 Connecting HD1321 HD1321 is interfaced with the user device through the DIP type connector and the power supply and RJ45 connector are implemented on the user device Figure 4 6 shows the pin assignment of the connector and the interface circuit diagram DIT 140r 2 amp m za E 8 B 3 E m o 5 a z eB 0 e In d o 3 EE i i ag FILO 5 5 me 3 8 9 4s 3 5 B 5 3 2
21. elloDevice is TCP server with a dynamic IP address This is the case when you want to use the HelloDevice as TCP server in DHCP environment In DHCP environment the HelloDevice has a dynamic IP address and therefore the user can t know the IP address of the HelloDevice because the IP address of the HelloDevice keeps changing To solve this problem the sample program enables users to track the IP information of the HelloDevice The HelloDevice includes a function that periodically sends IP information of the HelloDevice to a data server designated by the user Therefore to use the HelloDevice as TCP server with a dynamic IP address you should connect to the data server first to obtain the IP address and then you can connect to the HelloDevice with the obtained IP address In case of WAN for the HelloDevice to send information the data server needs to have a public static IP address In case of LAN for the HelloDevice to send information the data server needs either public static IP address or private static IP Address 49 HD132x Series User Manual The sample program for this function has been implemented in UDP User Datagram Protocol When the HelloDevice sends its MAC address local port and IP address to the IP address of the data server through UDP 514 port the sample program receives and displays the information For setup of data server parameters refer to Section 4 4 2 The HelloDevice transmits data that consist of a tota
22. et recv and sendto Since this sample is related to the server socket keep in mind that this is different from the sample of 5 2 1 such as socket generation and data transmission Process listening ProcessRecv called void ProcessListen int clientLen char chDumm clientLen sizeof addrClient memset char amp addrClient 0 sizeof addrClient 43 HD132x Series User Manual while 1 accept an incoming connection attempt on the server socket sockClient accept sock LPSOCKADDR amp addrClient amp clientLen if sockClient INVALID SOCKET printf naccept error n printf nPlease try later press ENTER Scanf c amp chDumm break else printf Connected from client d d d d n addrClient sin_addr S_un S_un_b s_bl addrClient sin_addr S_un S_un_b s_b2 addrClient sin_addr S_un S_un_b s_b3 addrClient sin_addr S_un S_un_b s_b4 receives data from the client socket HD1320 24 if ProcessRecv Exit Program break else Continue Listen Just close the client socket TCPSocketClose CLOSE CLIENT SOCKET memset char amp addrClient 0 sizeof addrClient Process receive socket recv function called return 9 exit program continue listening int ProcessRecv 44
23. he Destination of the Parameter Setup Window 1 After moving to Parameter window Enter the target MAC address and IP address of the HelloDevice Note MAC address must be entered and if Destination IP is set to 255 255 255 255 the setup command is transmitted in Broadcast method Such setup is possible only in LAN environment You need not have to know the IP address of the HelloDevice in this case When setting parameters in HelloDevice located in a remote place WAN environment you should enter both the MAC address and the public IP address 2 Enter parameters in all fields and press Send By pressing Send you can send parameters to the HelloDevice All parameter settings are sent to the HelloDevice as displayed on the current window 4 4 1 Password Parameter For security reason you must set password parameters in advance before you set other parameters If you select Password Tab you can verify and change the password 1 Verifying Password Default factory setting of the ID is AAAAAAAA and Password is AAAAAAAA After verifying such setting you can start to set other parameters window Enter the value in each field as shown in Figure 4 15 and press Send 27 HD132x Series User Manual Bevin mrss TO Figure 4 15 Verifying the Password The password has been successfully confirmed if you see the following window Figure 4 16 Confirming Password 2 Changing Password To set new password
24. ialSend char commandBuf 512 int commandLen qut err Re Initialize TCP socket TCPSocketInit Read serial data just ASCII string excluding control characters Max size is limited to 512 bytes in this demo printf nEnter the string you want to send to HelloDevice n gt gt Scanf s commandBuf Calc serial data length commandLen strlen commandBuf Send command to HelloDevice err sendto Sock amp commandBuf commandLen 0 struct sockaddr amp serverAddr sizeof serverAddr if err 1 perror nsend error n exit 1 Initialize TCP socket void TCPSocketInit char ipAddrStr 32 int clientLen int err Enter HelloDevice IP address printf Enter HelloDevice IP address xxx xxx xxx xxx scanf s ipAddrStr printf n n Convert IP address from string to long 39 HD132x Series User Manual ipAddr decodeAddress ipAddrStr Windows requires that winsock be initialized err WSAStartup 0 0101 amp lpWSAData if err 0 printf NMnCannot open WinSock n exit Ch else printf 1 WinSock Opened n Create TCP socket clientLen sizeof serverAddr sock socket SOCK STREAM 0 if sock lt 0 perror nsocket error n exit 1 Clear IP address fields memset char
25. ile Edi Setup Co Tera Term Serial setup Port Baud rate 9500 Data spot Cancel Parity none gt Stop Help Flow control none Transmit delay o msecjchar o msecjline FER Figure 5 2 Setting RS232 Parameters of TeraTerm Pro 35 HD132x Series User Manual 5 Press OK button to start the communication emulator 6 Launch TeraTerm Pro for TCP IP communication on the PC 7 Enter the IP address and TCP port number of HelloDevice and press OK to request TCP IP connection to the HelloDevice m Tera Term File Edit Setup Control Window Help Tera Term New connection Telnet TCP port 6001 TCP IP Host 192 168 1 18 C Serial Port Figure 5 3 TCP IP Connection on TeraTerm Pro 8 To check the connection between the PC and the HelloDevice enter characters on the TCP IP terminal program and see if these strings appear on the serial terminal program Also enter characters on the serial terminal program and see if these strings appear on the TCP IP terminal program Figure 5 4 is a sample screen of such communication Note Time is one of serial parameters of the HelloDevice and can be defined by the user If there is no serial communication for a period defined in Time parameter 50 sec in this case the HelloDevice automatically closes the TCP IP connection Therefore the TCP IP terminal
26. ity Software for HD 132x i iml x IP Address Password Network Serial Management Function Len MAC iowa DHCP Database list STATUS Monitorina DHCP HER IP Start IP Find Clear Pa Figure 4 7 IP Address Window 2 Press Server Setting button to set parameters of the DHCP server In DHCP server setting window Figure 4 8 you need to enter is Router information of the IP address DHCP Server IP automatically displays the IP address of the user PC where the HelloDevice Utility Software is installed 20 HD132x Series User Manual Advanced Server Setting 192 168 1 1 Figure 4 8 Server Setting Window 3 Press Add button and enter the DHCP database record Setting for D DHCP 192 168 1 15 CELO 192 168 Figure 4 9 Add Window Since the HelloDevice is connected to the Internet through Ethernet H W Address Type and H W Address Length should always be 1 and 6 respectively Enter Client IP Address and Client H W Address Client IP Address and Client H W Address are unique IP address and MAC address of the HelloDevice The MAC address can be found on the sticker labeled on the top of Ethernet IC of the HelloDevice In Figure 4 9 an example of entry is 21 HD132x Series User Manual shown when the MAC address is 00 01 95 04 0B 1B and the IP address 192 168 1 15 Default Route
27. ived EL Process sending serial data to HelloDevice return 1 success 0 failure E int SerialSend char strReceived int nReceived int err char pCommandBuf char malloc nReceived 2 memcpy amp pCommandBuf 0 strReceived nReceived Send command to HelloDevice err sendto sockClient pCommandBuf nReceived 2 0 struct sockaddr amp addrClient sizeof addrClient free pCommandBuf if err 1 return 0 return 1 46 HD132x Series User Manual Initialize TCP server socket return 1 success 0 failure int TCPServerSocketInit char chDummy int err Initiate use of WS2_32 DLL by a process err WSAStartup 0x0101 amp lpWSAData if err 0 printf nfail to start up winsock n scanf nPlease try later press ENTER scanf c amp chDummy return 0 else printf WinSock Opened n create a server socket sock socket AF_INET SOCK_STREAM 0 if sock lt 0 printf nsocket error n printf nPlease try later press ENTER scanf c amp chDummy return 0 printf server socket created n 47 HD132x Series User Manual Clear server IP address fields memset char amp addr 0 sizeof addr Set server IP address TCP port 6001 addr
28. l of 14 bytes and the form is as follows 2 Byte MAC address 6 Byte Local port 2 Byte IP address 4 Byte Below is a source sample of the data server KOK KKK KK k k k K k k k k k k k K k k I k k k UDP based data server sample program HelloDevice notifying message format total 14 bytes data The number in the parenthesis means the byte size O 1 K 1 MAC address 6 local port number 2 IP address 4 e g 4f 4b 00 01 95 04 04 01 17 71 c0 al a8 0f kCKCk KCk Ck kCkCK Ck kCK Ck kCk ck kck ck kck ck kokck ckck ck kckck sk ke e x include lt stdio h gt include lt time h gt include lt winsock h gt Global Variable definition WSADATA lpWSAData Socket data structure SOCKADDR_IN addrFrom int sock Socket int byte_received byte received struct sockaddr_in addr My IP address 50 HD132x Series User Manual UDP Socket function void UDPSocketCreate void UDPSocketRun void UDPSocketClose Main function void main printf Hello Device Program 1 Socket Creation UDPSocketCreate while 1 2 Listen until any incoming data 3 Receive if any incoming data 4 Print data UDPSocketRun 5 Close UDP Socket UDPSocketClose UDP Socket Creation void UDPSocketCreate Windows requires th
29. le 23 HD132x Series User Manual System Info HelloDevice Info MAC Address IP Address Base TCP Port Current TCP Port Current TCP State TCP State Timer Power ON Timer IP Setup Mode TCP Mode Setup Current TCP Mode Default Router 00 01 95 04 0B 1B 192 168 1 15 5001 6001 listen 10753 12 22 s Dynamic DHCP Client and Server Invalid State 192 168 1 1 TCP COM Client Info Address 00 10 4B 1A 31 04 IP Address 192 168 1 113 TCP Port 1137 COM Server Info MAC Address IP Address TCP Port 00 00 00 00 00 00 192 168 1 113 6001 Figure 4 11 System Info Window Group Symbol Description Remark HelloDevice MAC Address MAC Address Info IP Address IP Address Base TCP port Basic TCP port Current TCP port Current TCP port Current TCP State Current TCP State TCP State timer Elapsed time of the TCP State Power ON timer Elapsed time after Power On IP setup mode IP setup mode TCP mode setup TCP operation mode setup Current TCP mode Current TCP operation mode Default Router IP address of the Default Router TCP COM MAC Address MAC address of Client HD is Server or Client info IP Address IP address of Client Server Client mode TCP port Port of Client TCP COM MAC Address MAC address of Server HD is Client or Server info IP Address IP address of Server Ser
30. lloDevice over the Internet 6 The PC resends data to the HelloDevice over the Internet 1 Connect serial ports of HelloDevice and the PC with the serial cable HelloDevice Utility Software for HD 132x iini x IP Address Password Network Mode Serial 00 01 95 04 08 18 PHIS Destination IP 255 255 255 255 IP Dynamic IP TEP Mode Client Server IP 192 168 1 111 HD PORT 6001 Server PORT 15001 Notifier IP 132 168 1 5 1 Time Interval D 05 min Figure 5 7 Setting TCP Mode of the HelloDevice to Client 41 HD132x Series User Manual 2 Set System parameters Set TCP mode to Client Set Server IP to an IP address of the PC where the sample server program is running Set Server PORT to 6001 Other parameters remain the same as the sample in 5 2 1 Figure 5 7 is an example setup when an IP address of the PC is 192 168 1 111 Press Send Now the HelloDevice is set to function as TCP Client and to send data to a designated data server 3 Set Time to Serial Time Unlimited in serial configuration of the HelloDevice and press Send as shown in Figure 5 8 The HelloDevice is set to keep TCP connection alive as long as the sever program does not close the connection HelloDevice Utility Software for HD 132x IP Address Password Network Mode Serial 00 01 95 04 08 18 Delete History Destina
31. n initialized a message requesting an IP address will be sent through the network and the TX LED of the HelloDevice will keep blinking 25 HD132x Series User Manual Note If there is a DHCP server in your network and if IP mode is Dynamic IP the DHCP server will immediately assign a new IP address even if the IP address has been initialized Accordingly the TX LED will stop blinking Refer to Section 4 4 2 for details of IP Mode 4 Re assign the IP address To re assign the IP address to 192 168 1 18 edit modify content of the IP address database with Edit command of the DHCP database Then repeat the IP address setup procedure in 4 3 1 DB Setting for DHCP MAC Length 6 IP 192 168 1 18 foo 01 95 04 Gateway 192 168 1 1 Subnet Mask 255 255 255 0 Default Router 192 168 1 1 Advanced Cancel_ Figure 4 13 Edit Window 26 HD132x Series User Manual 4 4 Setting Parameters After the IP address has been assigned successfully to the HelloDevice you need to set network parameters and serial parameters To set such parameters you need to set password parameter first Basic setup order of parameters is as follows HelloDevice Utility Software for HD 132x x IP Address Password Network Serial MAC 00 01 95 04 0 1 Destination IP 255 255 255 255 _Delete History Figure 4 14 Setting t
32. n n MAC address inet ntoa inFrom for i 2 i 8 i printf 2x unsigned char test buff il printf n port for 1 8 1 lt 10 1 printf unsigned char test buff il printf n IP address for 1 10 1 lt 14 1 printf 3d unsigned char test buff il printf n n n n 53 HD132x Series User Manual UDP Socket Close 7 void UDPSocketClose closesocket sock The sample program has been written in Visual C C 6 0 environment and you can run it in Visual C C 6 0 environment by clicking workspace file dsw Figure 5 10 shows data received from the HelloDevice C WMySetups 1 05 without webWSamWUDP server WDebugWUDP UDP Hello Device Program WinSock Opened waiting Info was notified on 93 13 81 15 15 38 from 192 168 1 15 MAC address 6 195 Port 17 71 IP address 192 168 15 Figure 5 10 Running Data Server Sample Program 54 HD132x Series User Manual Appendix RS232 Cable Connection Signals of general RS232 9 pin connector Pin 1 Received Line Signal Detector Data Carrier Detect Pin 2 Received Data Pin 3 Transmit Data Pin 4 Data Terminal Ready Pin 5 Signal Ground Pin 6 Data Set Ready Pin 7 Request To Send Pin 8 Clear To Send Pin 9 Ring Indicator DCD RxD TxD DTR GND DSR RTS CTS RI Table A Signals of general RS232 9 Pin Connector HD1320 and 1320E support
33. not be initialized with the IP Clear command 2 Device Comm Server mode This is when the HelloDevice operates as TCP server The HelloDevice stands by until the TCP client tries to connect to the HelloDevice through the designated port of the HelloDevice For an initial TCP connection request the HelloDevice allows connection and transmits the data to the serial device through RS232 port of the HelloDevice Since the HelloDevice supports only one TCP server socket the next TCP connection request will be denied if it is currently connected Other TCP connection requests will be allowed after the current TCP connection is terminated Client Mode This is when the HelloDevice operates as TCP client When the user device connected to RS232 port of the HelloDevice sends data to the HelloDevice the HelloDevice tries to connect to a designated remote server through the designated TCP port of the remote server and send received data to the remote server However if the HelloDevice failed to connect to the remote server after 5 attempts at an interval of 1 second the received data will be deleted 31 HD132x Series User Manual Server amp Client Mode This is when the HelloDevice operates as TCP server AND client If you are to transmit data from a serial device to a remote server through the HelloDevice it will operate as a TCP client If TCP connection is requested by a remote client it will operate as TCP server Note TCP mode
34. program menu Click on the icon and if you see the windows screen as in Figure then the installation has been successfully completed Figure 4 6 Initial Screen of the HelloDevice Utility Software 18 HD132x Series User Manual 4 3 Managing an IP address of the HelloDevice Now we have the HelloDevice physically connected the network and the HelloDevice Utility Software installed on your PC We will go through the rest of the setup process with the HelloDevice Utility Software in the following order k Assign an IP address of the HelloDevice Set password Set network Mode parameters meo m Set serial parameter In this section we will describe how to assign and change an IP address of the HelloDevice and in the next section how to set password and parameters 4 3 1 Assigning an IP Address Since HD132x Series has the DHCP Dynamic Host Configuration Protocol client function an IP address of the HelloDevice can be assigned with either the HelloDevice Utility Software or any DHCP server in your network This is based on DHCP RFC2131 Internet protocol standards The factory default IP address of HelloDevice is initially set to 0 0 0 0 When the HelloDevice is powered on the Tx LED of the HelloDevice blinks periodically That means it requests of an assignment of an IP address 4 3 1 1 Assigning an IP address from your existing DHCP Server When you want to assign an IP address of the Hello
35. program window will automatically close if there is no serial communication for 50 sec 36 HD132x Series User Manual eria eat Technologise Figure 5 4 RS232 TCP IP Communication using HelloDevice and TeraTerm Pro 5 2 Checking RS232 TCP IP Communication using Sample Programs In this section we will describe how to establish the RS232 TCP IP connection using sample programs in the CD ROM Figure 5 5 shows the folder where sample programs are located Sample programs when the HelloDevice operates as TCP server Server folder in Figure 5 5 Sample programs when the HelloDevice operates as TCP client Client folder in Figure 5 5 Sample programs when the HelloDevice sends information to data server periodically UDP Server folder in Figure 5 5 a HelloDevice Utility Examples H Client H Server UDP server Figure 5 5 Sample Program Folder Sample programs have been written in Visual 6 0 environment and you can run sample programs in Visual 6 0 environment by clicking workspace file dsw 37 HD132x Series User Manual 5 2 1 When the HelloDevice is TCP Server with a static IP address The sample program enables the user to connect to the HelloDevice and send strings to the HelloDevice when the HelloDevice has been set as TCP server mode The only difference from the previous section is that we use the sample program for TCP IP terminal program instead of TeraTerm Pro In thi
36. r is an IP address of the router that was set in Server Setting window 4 Press Add button to close the window Now records have been added into the database 5 Press DHCP Start to start DHCP server function Now the HelloDevice Utility Software operates as a DHCP server You can see the message in STATUS changing from Monitoring to Listening DHCP request If HelloDevice Utility gets DHCP request from a certain HelloDevice which does not exist in DHCP DB List it will run DB Setting for DHCP window automatically User should enter IP address and Gateway address of the HelloDevice and add them to DHCP DB list 6 Check the status of Tx LED of the HelloDevice If the Tx LED of the HelloDevice blinks periodically then it means that the HelloDevice is sending a message requesting for an IP assignment The HelloDevice Utility Software responds to such request of the HelloDevice The message in Status displays DHCP ACK sent 192 168 1 15 And if the DHCP ACK sent 192 168 1 15 message is displayed then it means that IP address has been assigned for the HelloDevice In case that the DHCP Server has assigned the IP of HelloDevice then if the user clicks DHCP Start Button in PC having HelloDevice Utility Software which is in same network the message of It was Request to other DHCP server Packet Discarded will be displayed 7 Confirm the HelloDevice IP address using ping Exe
37. s section we will describe how to establish the connection and check data communication 1 Connect serial ports of HelloDevice and the PC with the serial cable 2 Launch serial terminal program such as TeraTerm Pro 3 Open Server dsw file in the Server folder and Build and Run the program 4 Enter the IP address of the HelloDevice Figure 5 6 is a sample when the IP address of HelloDevice is 192 168 1 15 es C WMYSETUPSW1 05 WITHOUT WEBWSAM WServerWDebugWsServer exe Working demo when 11 is COM server Serial data send 9 Quit 938300000000 Enter HelloDevice IP address xxx xxx xxx ooO 192 168 1 15 1 gt WinSock Opened by Using port 6991 on the HelloDevice 2 gt Connected to HelloDevice 6661 port Enter the string you want to send to HelloDevice gt gt Figure 5 6 Running Server exe 5 Enter the Character string and press Enter The character string you entered will be displayed on the serial terminal program of the PC Below is a major part of the sample program Main contents are TCP socket initialization TCP socket open close and TCP IP data send functions For details on window socket programming refer to 38 HD132x Series User Manual documentations on Microsoft socket programming Characters in bold font indicate main functions of the socket such as socket connect and send Process Serial data send void Ser
38. sin_family AF_INET You may use any port other than 6001 in host side addr sin_port htons 6001 addr sin_addr s_addr INADDR_ANY associate a local address with a socket if bind sock LPSOCKADDR amp addr sizeof addr SOCKET_ERROR printf nserver socket bind error n scanf nPlease try later press ENTER scanf c amp chDummy return 0 printf server socket bound n places a socket a state where it is listening for an incoming connection if listen sock 5 SOCKET ERROR printf nserver socket listen error n scanf nPlease try later press ENTER scanf c amp chDummy return 0 printf server socket listening for an incoming connection n return 1 Close TCP socket parameter bCloseOnlyClient CLOSE CLIENT SOCKET 1 close just client socket CLOSE ALL SOCKET 0 close all socket and clean up 48 HD132x Series User Manual void TCPSocketClose int bCloseOnlyClient close the client socket if sockClient INVALID SOCKET closesocket sockClient sockClient INVALID_SOCKET if bCloseOnlyClient close the server socket closesocket sock terminate use of the WS2 32 DLL WSACleanup 5 2 3 When the H
39. tion IP 255 255 255 255 Baud 3600 Stopbit fi Parity NONE Handshake NONE Data Bits e bits 1 Iv Serial Time Unimited Figure 5 8 Setting Time to Serial Time Unlimited 4 Launch serial terminal program such as TeraTerm Pro 5 Open Client dsw file in Client folder and Build and Run the program 6 While the sample program is running send character strings from the serial terminal program 42 HD132x Series User Manual Character strings that you entered will be displayed as received data on the sample program and since the sample program is programmed to send received data back to the HelloDevice the serial terminal program will again display the character strings gt socket created socket bound socket listening for an incoming connection Connected from client 192 168 1 1151 Received 1 name Received Datali File Edit Setup Received Datals Received Data Received 1 Received Datale Received 11 Received 11 Received Datalo Received DatalD Received Datale My name is HelloDevice Received Datalv Received Datali Received Datalc Received Datale Received Datal Received Datal Received Datal Figure 5 9 Running the Sample Program Below is a major part of the sample program Characters in bold font indicate main functions of the server socket such as listen bind accept sock
40. ver Client Mode TCP port Port of Server Table 4 1 Summary of System Info 24 HD132x Series User Manual 4 3 2 Changing an IP Address To change an existing IP address of your HelloDevice you need to set the IP address to 0 0 0 0 first and repeat the procedure in Section 4 3 1 In this section we will explain the procedure assuming we want to change an IP address from 192 168 1 15 to 192 168 1 18 1 Get the MAC address To initialize the existing IP address 192 168 1 15 to 0 0 0 0 you need to have the MAC address of the HelloDevice with you The MAC address of the HelloDevice is recorded on the HelloDevice board or you can also get the address in the DHCP database of the HelloDevice Utility Software 2 Initialize the IP address In IP Address window press IP Clear and Clear IP Dialog window will pop up Enter the MAC address of the HelloDevice as shown in Figure 4 12 and press Clear Now the current IP address 192 168 1 15 is initialized to 0 0 0 0 Note If IP Mode is set to Dynamic IP the IP address cannot be initialized with IP Clear command In this case the IP address can be initialized when the power is turned off Refer to Section 4 4 2 for details of IP Mode Clear IP Dialog X M jor 5 04 10 1B Figure 4 12 IP Address Clear Window 3 Confirm the initialization of the IP address Check whether the TX LED of the HelloDevice blinks If the IP address has bee
41. x Orange 3 Rx White with green 4 Not used Blue 1 Tx 8 NC 5 Not used White with blue 6 Rx Green mm SNG 7 Not used White with brown 8 Not used Brown 3 Rx 6 Rx 4 NC 5 NC Figure 3 3 RJ45 Connector 3 Status Indicator LED s There are four status indicator LED s to indicate the following See Figure 3 1 Power LED ndicates the Power On status of the HelloDevice Rx LED ndicates that the Ethernet controller is receiving Ethernet packets from the network or not If it is 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 for 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 In this case the Ethernet controller will automatically resend the packets HD132x Series User Manual 3 1 3 RS232 Communication Interface e DB9 Connector for RS232 communication e Serial speeds 150bps 115Kbps 9 NC 8 CTS Pin No Signals Descriptions Functions 1 NC Not connected 2 RxD Receive Data Data Input 3 TxD Send Data
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