SENA TECHNOLOGIES PARANIESD200 BLUETOOTH SERIAL ADAPTOR User Manual USERS MANUAL
Sena Technologies,Inc. BLUETOOTH SERIAL ADAPTOR USERS MANUAL
USERS MANUAL
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Parani-ESD100/110/200/210 User Guide Version 1.0.0 2006-08-14 User Guide for the Parani-ESD100/110/200/210 Version 1.0.0 Firmware version 1.0.X Last revised on June 14, 2006 Printed in Korea Copyright Copyright 2002, Sena Technologies, Inc. All rights reserved. Sena Technologies reserves the right to make changes and improvements to its product without providing notice. Trademark Parani⢠is a trademark of Sena Technologies, Inc. WindowsÂŽ is a registered trademark of Microsoft Corporation. EthernetÂŽ 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. Precautions and Safety Electricity Use only the supplied AC adapter. Use of unauthorized power adapter is not recommended. Electrical shock may result. Do not kink or crease the power cable or place heavy objects on the power cable. Fire can result from damaged power cables. Do not handle power plug and adapter with wet hands. Electrical shock may result. Immediately power off the product and unplug the AC adapter if smoke or odors emit from the product and adapter. Fire can result from improper use. Immediately power off the product and unplug the AC adapter if water or other liquids are present. Fire can result from improper use. Product Parani-ESD meets the RS-232 standards. Do not wire with non-standard products. Damage to your products may result from improper use. Do not drop or subject the device to impact. Damage to your products may result from improper use. Keep away from harsh environments including humid, dusty, and smoky areas. Damage to your products may result from improper use. Do not use excessive force on the buttons or attempt to disassemble the device. Damage to your products may result from improper use. Do not place heavy objects on the product. Damage to your products may result from improper use. Technical Support Sena Technologies, Inc. 210 Yangjae-dong, Seocho-gu Seoul 137-130, Korea Tel: (+82-2) 573-5422 Fax: (+82-2) 573-7710 E-Mail: support@sena.com Website: http://www.sena.com Contents 1. Introduction 1.1. Overview ................................................................................................................................... 6 1.2. Package Check List ................................................................................................................... 6 1.3. Product Specification.................................................................................................................. 7 2. Getting Started 2.1. Panel Layout .............................................................................................................................. 8 2.2. Connecting the Hardware .......................................................................................................... 8 2.2.1. Connecting Parani-ESD to Jig Board .............................................................................. 9 2.2.2. Connecting Power to Jig Board ....................................................................................... 9 2.2.3. Connecting a Device to Jig Board ................................................................................. 10 3. Configuration 11 3.1. Operation Modes...................................................................................................................... 11 3.2. Serial Ports ............................................................................................................................... 12 3.2.1. Data Bit .......................................................................................................................... 12 3.2.2. Hardware Flow Control .................................................................................................. 12 3.2.3. Software and Utility ........................................................................................................ 12 3.2.4. ParaniWIN...................................................................................................................... 13 3.2.5. ParaniUpdater ................................................................................................................ 19 3.2.6. Terminal Program .......................................................................................................... 19 4. Approval Information 21 4.1. FCC ................................................................................................................................. 21 4.1.1. FCC Compliance Statement .......................................................................................... 21 4.1.2. RF Exposure Statement................................................................................................. 21 4.1.3. Do not............................................................................................................................. 21 4.2. CE ................................................................................................................................. 21 4.2.1. EC-R&TTE Directive ......................................................................................................21 5. RF Information 22 5.1. Radio Frequency Range .......................................................................................................... 22 5.2. Number of Frequency Channel ................................................................................................ 22 5.3. Transmission Method ............................................................................................................... 22 5.4. Modulation Method................................................................................................................... 22 5.5. Radio Output Power ................................................................................................................. 22 5.6. Receiving Sensitivity ................................................................................................................ 22 5.7. Power Supply ........................................................................................................................... 23 Appendix A: Connections 24 A.1. Pin Assignment ........................................................................................................................ 24 A.1.1. Parani-ESD100/110 .......................................................................................................24 A.1.2. Parani-ESD200/210.......................................................................................................25 A.1.3. DCD Signal .................................................................................................................... 25 A.1.4. RST Signal..................................................................................................................... 26 A.1.5. Pairing Signal (only for Parani-ESD100/110) ................................................................ 26 A.2. Connection Diagram ................................................................................................................ 27 A.2.1. Parani-ESD100/110 .......................................................................................................27 A.2.2. Parani-ESD200/210.......................................................................................................29 Appendix B: AT Commands 31 B.1. Terminology.............................................................................................................................. 31 B.1.1. AT Command ................................................................................................................. 31 B.1.1. AT Response ................................................................................................................. 31 B.1.2. Operation Mode ............................................................................................................. 31 B.1.3. Operation Status ............................................................................................................ 31 B.1.4. Security.......................................................................................................................... 31 B.1.5. Symbols ......................................................................................................................... 32 B.2. Command Category................................................................................................................. 32 B.3. Command Description ............................................................................................................. 33 B.3.1. ATZ .............................................................................................................................. 33 B.3.2. AT&F ............................................................................................................................ 33 B.3.3. AT ................................................................................................................................. 33 B.3.4. AT+UARTCONFIG,Baudrate,Parity,Stopbit,Hwfc ........................................................ 33 B.3.5. AT+USEDIP? ............................................................................................................... 34 B.3.6. AT+BTINFO? ............................................................................................................... 34 B.3.7. AT+BTINQ? .................................................................................................................. 34 B.3.8. AT+BTLAST? ............................................................................................................... 34 B.3.9. AT+BTVER? ................................................................................................................ 35 B.3.10. AT+BTRSSI,n ............................................................................................................ 35 B.3.11. AT+BTMODE,n .......................................................................................................... 35 B.3.12. +++ ............................................................................................................................. 35 B.3.13. AT+SETESC,nn ......................................................................................................... 36 B.3.14. ATO ............................................................................................................................ 36 B.3.15. AT+BTCANCEL ......................................................................................................... 36 B.3.16. AT+BTSCAN .............................................................................................................. 36 B.3.17. AT+BTSCAN,n,to ....................................................................................................... 37 B.3.18. AT+BTSCAN112233445566,to .................................................................................. 37 B.3.19. ATD ............................................................................................................................ 37 B.3.20. ATD112233445566 .................................................................................................... 38 B.3.21. ATH ............................................................................................................................ 38 B.3.22. AT+BTKEY=$string.................................................................................................... 38 B.3.23. AT+BTSD? ................................................................................................................ 39 B.3.24. AT+BTCSD ................................................................................................................ 39 B.3.25. AT+BTFP,n ................................................................................................................. 39 B.3.26. AT+BTSEC,Authentication,Encryption ...................................................................... 39 B.3.27. AT+BTNAME=$string ................................................................................................ 39 B.3.28. AT+BTLPM,n ............................................................................................................. 40 B.3.29. AT+DFU ..................................................................................................................... 40 B.3.30. AT&V .......................................................................................................................... 40 B.3.31. ATSnn? ..................................................................................................................... 40 B.3.32. ATSnn=mm ................................................................................................................ 41 B.4. Command Validity .................................................................................................................... 41 Appendix C: S-Register 43 C.1. S1: Force to Reconnect (default 1).......................................................................................... 43 C.2. S2: Enable Hardware Flow Control (default 1) ........................................................................ 43 C.3. S3: Stream UART Policy (default 0) ........................................................................................43 C.4. S4: Enable Remote Name Query (default 1)........................................................................... 43 C.5. S6: Enable Low Power Mode (default 0) ................................................................................. 44 C.6. S10: Enable SD Response (default 1) .................................................................................... 44 C.7. S11: Enable Escape (default 1) ............................................................................................... 44 C.8. S12: Clear Data Buffer When Disconnected (default 0).......................................................... 44 C.9. S14: Enable DTR Transfer (default 1) ..................................................................................... 44 C.10. S15: Enable Disconnect by DTR (default 0).......................................................................... 44 C.11. S22: Fast Connect (default 0) ................................................................................................ 44 C.12. S24: Maximum Number of Inquiry Result (default 10) .......................................................... 45 C.13. S28: Escape Sequence Character (default 43)..................................................................... 45 C.14. S31: Page Timeout (default 300)........................................................................................... 45 C.15. S33: Inquiry Timeout (default 30) .......................................................................................... 45 C.16. S37: Supervision Timeout (default 16000) ............................................................................ 45 C.17. S46: BD Address of Last Connected Device......................................................................... 45 Appendix D: Trouble Shooting 46 D.1 No Data Transmission .............................................................................................................. 46 D.1.1 COM Port Settings ......................................................................................................... 46 D.2 Data Loss or Malfunctioning ..................................................................................................... 46 D.2.1Hardware Flow Control.................................................................................................... 46 D.2.2 SD Response ................................................................................................................. 46 D.3 Transmission Delay .................................................................................................................. 47 D.3.1 RF Processing Delay......................................................................................................47 D.3.2 RF Transmission Environment ....................................................................................... 47 Appendix E: How make a RS232 interface Jig Board 48 1. Introduction 1.1. Overview Parani-ESD is a module device for wireless serial communication using the Bluetooth technology that is international standard of short range wireless communications. Parani-ESD accomplishes more reliable wireless communication. As Parani-ESD can communicate with other Bluetooth devices, user may construct various communications with it. Parani-ESD provides several models with different communication ranges from 30m (ParaniESD200/210) up to 100m (Parani-ESD100/110) for userâs various applications. In terms of noise, Parani-ESD delivers better quality of communication than standard RS232 cables. Parani-ESD has the most compact design of the same kind devices and can be placed conveniently into any devices or equipments. Its detachable antenna of variety optimizes the quality and distance of wireless communications. Parani-ESD can be configured and controlled by typical AT commands. User can easily configure Parani-ESD on the terminal program such as HyperTerminal and implements the wireless communication without modifying userâs existing serial communication program. In addition to the basic AT commands, Parani-ESD provides some expanded AT commands for its various functions. User friendly ParaniWizard and ParaniWIN are also provided for easy setup on Microsoft Windows. The FHSS (Frequency Hopping Spread Spectrum) technique of Bluetooth lets Parani-ESD have less radio interference and no danger of hacking in air. Parani-ESD also supports authentication and data encryption. 1.2. Package Check List - Parani-ESD100/110/200/210 - A hardcopy of Quick Start Guide - CD-ROM including the HelloDevice Manager and User Guide 1.3. Product Specification Serial Interface ESD100/110 ESD200/210 Serial speeds 1200bps to 230400bps Flow Control: None, Hardware RTS/CTS 2.54mm Header 2X6 2.54mm Header 1X4X2 Bluetooth Interface Bluetooth v1.2 Protocol: RFCOMM, L2CAP, SDP Profile: General Access Profile, Serial Port Profile Class 1 Class 2 Level: 18dBm Level: 2dBm ESD210-Working distance: ESD100-Working distance: Nominal 30m Nominal 100m ESD210-Working distance: ESD110-Working distance: Up to 30m Up to 100m Configuration Firmware Update Power Environmental ParaniWIN, ParaniWizard, Modem AT command set ParaniUpdater for SD&ESD Supply voltage: DC3.3V Operating temperature: -20 ~ 70 C Humidity : 95% (Non-condensing) Dimension Dimension - ESD200 - ESD100 18.0 mm L (0.7 in.) 27.5 mm L (1.08 in.) 20.0 mm W (0.78 in.) 27.7 mm W (1.09 in.) 11.7 mm H (0.47 in.) 14.0 mm H (0.55 in.) - ESD210 - ESD110 18.0 mm L (0.7 in.) 27.5 mm L (1.08 in.) 20.0 mm W (0.78 in.) 30.0 mm W (1.18 in.) 11.7 mm H (0.47 in.) 14.0 mm H (0.55 in.) Weight Weight 5g 2g FCC, MIC 1-year limited warranty Physical properties Approvals Warranty 2. Getting Started This chapter describes how to set up the Parani-ESD Series for the first time. - 2.1 Panel Layout explains the panel layout. - 2.2 Connecting the Hardware describes how to connect the Parani-ESD Series, the power, and the serial device to the Jig Board. Following items are pre-required to get started. - One Jig Board (included in the Starter Kit package). - One DC power adapter or one USB power cable (included in the Starter Kit package). - One serial console cable for configuration (included in the Starter Kit package). - One PC with RS232 serial port. - Terminal emulation program running on the PC 2.1. Panel Layout This section describes the panel layout of the Jig Board. Figure 2-1 The panel layout of Jig Board 2.2. Connecting the Hardware This section describes how to connect the Parani-ESD Series to the Jig Board and the Jig Board to the serial device for initial testing. - Connect the Parani-ESD Series to Jig Board. - Connect a power source to Jig Board for the Parani-ESD Series. - Connect Jig Board for the Parani-ESD Series to a serial device. 2.2.1. Connecting Parani-ESD to Jig Board Connect the Parani-ESD Series to the Jig Board as shown below. Figure 2-2 Connecting Parani-ESD to Jig Board 2.2.2. Connecting Power to Jig Board Connect the power jack to the power connector of the Jig Board for the Parani-ESD Series using the DC power adapter or USB power cable that is included in the package. Figure 2-3 Connecting Power to Jig Board 2.2.3. Connecting a Device to Jig Board Connect the serial data cable between the Jig Board and the serial device. If necessary, supply the power to the serial device attached to the Jig Board. Figure 2-4 Connecting a Device to Jig Board 10 3. Configuration 3.1. Operation Modes In addition to the serial port configurations such as bit/second, data bit, parity, stop bit, flow control, Parani-ESD has some configurations for Bluetooth. For getting the most out of Parani-ESD, user should understand the following Bluetooth connection schemes. A Bluetooth device can play a role as a master or slave. Master tries to connect itself to other Bluetooth device, and slave is waiting to be connected from other Bluetooth devices. A Bluetooth connection is always made by a pair of master and slave. A slave can be in two modes, Inquiry Scan or Page Scan mode. Inquiry Scan mode is waiting the packet of inquiry from other Bluetooth devices and Page Scan mode is waiting the packet of connection from other Bluetooth devices. Every Bluetooth device has its unique address, called BD (Bluetooth Device) address, which is composed of 12 hexa-decimal numbers. Parani-ESD has 4 operation modes as follows. Each mode can be identified with LED indicators as illustrated in next section. Table 3-1 The Parani-ESD Operation Modes Mode Description Mode0 Parani-ESD must be in Mode0, when it is directly controlled by AT commands. In this mode, there is no response when power on or software reset, and Parani-ESD is just waiting for AT command input. Neither master nor slave is assigned to Parani-ESD in mode0. User can change the configurations of Parani-ESD in this mode. The factory default is set to Mode0. Mode1 Parani-ESD tries to connect the last connected Bluetooth device. Parani-ESD in Mode1 is to be a master and tries to connect the last connected Bluetooth device. Parani-ESD always stores the BD address of the Bluetooth device to which ParaniESD has connected last time. When Parani-ESD is initially used or after hardware reset, there is no BD address stored in Parani-ESD. In this case, Mode1 does not make any sense and mode change from other operation modes to Mode1 is not allowed. The mode change to Mode1 can be made after Parani-ESD succeeds to connect to other Bluetooth device in Mode0. Once changed to Mode1, Parani-ESD will try to connect automatically the last connected Bluetooth device whenever power on or software reset. Parani-ESD in Mode1 cannot be discovered or connected by other Bluetooth devices. Mode2 Parani-ESD is waiting for the connection from the last connected Bluetooth device. Parani-ESD in Mode2 is to be a slave and waiting for the connection only from the last connected Bluetooth device. Just like Mode1, if there is no BD address stored in Parani-ESD, the mode change from other operation modes to Mode2 is not allowed. Once changed to Mode2, Parani-ESD will wait for the connection from the last connected Bluetooth device whenever power on or software reset. Parani-ESD in Mode2 cannot be discovered or connected to Bluetooth devices other than the last connected device. Mode3 Parani-ESD is waiting for the connection from any other Bluetooth devices. Parani-ESD in Mode3 acts like in Mode2, but allows any connection from other Bluetooth device. Most of general Bluetooth device is set to Mode3. Parani-ESD in Mode3 can be discovered and connected from any other Bluetooth devices. 11 3.2. Serial Ports The applicable settings for serial ports are as follows. Table 3-2 The Parani-ESD Serial Port Settings Serial Port Settings Values Baud rate 1200, 2400, 4800, 9600, 19200, 38200, 57600, 115200, 230400 Data bite Parity No parity, Even parity, Odd parity Stop bit 1, 2 Hardware Flow Control Use, No Use The values in box are the factory defaults. The flow control setting is configurable only through dip switch. 3.2.1. Data Bit Parani-ESD supports only 8 data bit. In the case of 7 data bit, please contact the technical support. 3.2.2. Hardware Flow Control Parani-ESD plugged into its host system transmits data from host to the other side Bluetooth device. These data is saved temporarily in the internal buffer of Parani-ESD and sent repeatedly until the transmission is completed packet by packet. When the radio transmission condition is not good enough to send data promptly, it can cause the transmission delay. If the host sends more data when the buffer is full, buffer overflow will make Parani-ESD malfunction consequently. In order to prevent this buffer overflow, Parani-ESD works as follows. In case of using hardware flow control, Parani-ESD makes RTS be âdisableâ to stop receiving further data from the host when the buffer becomes full. RTS will be âableâ to begin receiving data again from the host when the buffer has some room for more data. In case of not using hardware flow control, Parani-ESD clears the buffer to secure the room for next data when the buffer becomes full. This means the loss of data. As the transmission data becomes large, the possibility of data loss goes higher. For large data transmission, use of hardware flow control is highly recommended. 3.2.3. Software and Utility This configuration software and utility for firmware update comes with the product, which also can be downloaded from http://www.sena.com Table 3-3 Configuration Software Software Purpose Operating System ParaniWIN Configuration MS Windows 98SE or Higher ParaniWizard Pairing Configuration ParaniUpdater Firmware Update MS Windows 98SE or Higher 12 3.2.4. ParaniWIN ParaniWIN is a program running on Microsoft Windows for the configuration of Parani-ESD. Install ParaniWIN on your computer. Plug a Parani-ESD into the serial port of the computer and turn on the power. Run ParaniWIN. Figure 3-1 Serial Port Setting Set each option properly and click [Confirm]. If the settings are different from the host computer, error message will pop up. If the Parani-ESD is in the status of connection, warning message will pop up. Then the current connection can be cancelled by [Disconnect] button on the main window. Figure 3-2 Error Message Box 13 Figure 3-3 Main Window 14 Figure 3-4 Information Window Serial port settings can be changed byand of ParaniWIN in the menu bar at upper left corner of the window without re-running the ParaniWIN program. Figure 3-5 Menu Bar at Upper Left corner of ParaniWIN The icons in the left side window come to the corresponding windows. In device configuration window, hardware reset can be executed or operation mode and RS232 can be configured as well. Security option also can be configured in this window. Figure 3-6 Device Setting Window Parani-ESD supports two security options, Authentication and Encryption. If you check the Authentication option, you must also enter the Pin Code value. If the authentication is activated, the connection, only between the Master and Slave device that share the same Pin Code, is established. In case that Parani-ESD connects to other Bluetooth device that enables authentication, you must know the other deviceâs Pin Code. In general Bluetooth devices, 1234 or 0000 is used as a default 15 value. If you check Encryption option, the Parani-ESD encrypts packets and sends them. The Encryption options works well in case that only one between Master and Slave uses this option. Parani-ESD has 4 response messages, âOKâ, âERRORâ, âCONNECTâ, and âDISCONNECTâ. In some cases, these responses can affect the host system unexpectedly. To prevent this, user can set the Command response to ON or OFF. Click [Apply] button to reflect the given options to Parani-ESD actually. Connect(out) icon will show the following window to search and connect other Bluetooth devices. Figure 3-7 Connect(out) Window Click [Search] button to search nearby Bluetooth devices. The maximum number of devices to be searched can be controlled. Select one of the devices searched and click [Connect] button. The selected Bluetooth device must be in Page scan mode. Click [Disconnect] button to cancel the connection normally. After the connection is established, you are able to test sensitivity by pushing the START button. 16 Figure 3-8 Sensitivity Test The sensitivity test shows LInkQuality and RSSI values. The sensitivity is fine, If the LinkQuality is closer to 255 and RSSI is closer to 0. In general, the sensitivity is the best when the distance is 10 meters. You can push the STOP button in order to terminate the sensitivity test. The sensitivity test will continue until the STOP button is pushed. If you close the ParaniWIN Window without pushing the STOP button, you must restart Parani-ESD to terminate the test. Connection(in) icon will show the following window to make Parani-ESD wait to a connection from the other Bluetooth device. The waiting time in seconds can be controlled. With 0 input for this waiting time, Parani-ESD keeps waiting for connection until [Cancel] button is clicked. 17 Figure 3-9 Connection(in) Window If the Connection Wizard icon is clicked, an easy pairing menu to use appears as follows: Figure 3-10 Connection Wizard Window 18 This menu make easy pairing configuration of Parani-ESD. To use this menu, follow next steps. Step 1. Connect the first ESD and then push the START button. Step 2. Disconnect the first ESD, connect the second ESD and then push the Next button after setting up Slave configuration. Step 3. Disconnect the second ESD, once again connect the first ESD and then push the Finish button. The pairing configuration finished. From now, when the ESD restarts the pairing connection will be established automatically. 3.2.5. ParaniUpdater Parani-ESD support firmware update. You can download new firmwares of Parani-ESD at http://www.sena.com. With ParaniUpdater, you can update firmware of Parani-ESD by selecting the firmware image file and pushing Start button. * Note: DO NOT power off Parani-ESD while the firmware update is progressing. It may damage the firmware seriously. Figure 3-11 ParaniUpdater Window 3.2.6. Terminal Program A terminal program is an application that will enable a PC to communicate directly with a modem. If you are using Windows 98SE or higher version of Windows, HyperTerminal program as it is included as part of the operating system. Parani-ESD provides some extended AT commands for its configurations on terminal program. This manual will explain the method using HyperTerminal. If you need to install HyperTerminal, click start>setting>control panel>add/remove programs. For more precise information, please refer to Help of Microsoft Windows. Attach Parani-ESD to serial port of host computer and power on. 19 Launch HyperTerminal. It can be found in start >programs >accessories >communication >HyperTerminal. Select the Serial port that Parani-ESD will be connected to. Input the same settings into Serial port configuration window as Parani-ESD settings. The settings need to be set correctly, otherwise, error message may be shown up on the screen or cause malfunctioning of Parani-ESD. Figure 3-12 HyperTreminal Choose the settings in File->Properties->Settings->ASCII setup that let you turn echo on in HyperTerminal; this will show the response Parani-ESD sends on the screen. You now get the HyperTerminal window where you are able to control Parani-ESD with AT commands. For expanded AT commands that Parani-ESD provides, please refer to Appendix A. AT commands. Example of AT commands: AT+BTINFO? 000B53000509,PSDv3b-000509,MODE0,STANDBY,0,0,HWFC OK AT+BTINQ? 000B5320007E,PSDv2a-20007E,001F00 0004B300E205,AP2002:1 #0,020300 OK ATD000B53000509 OK CONNECT 000B53000509 20 4. Approval Information 4.1. FCC 4.1.1. FCC Compliance Statement This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, Including interference that may cause undesired operation Information to User This equipment has been tested and found to comply with the limits for a Class B digital device, Pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio Frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: - Reorient or relocate the receiving antenna. - Increase the separation between the equipment and receiver- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. - Consult the dealer or an experienced radio/TV technician for help. 4.1.2. RF Exposure Statement The equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This device and its antenna must not be co-located or operation in conjunction with any other antenna or transmitter. 4.1.3. Do not Any changes or modifications to the equipment not expressly approved by the party responsible for compliance could void userâs authority to operate the equipment. 4.2. CE 4.2.1. EC-R&TTE Directive EN 50385 EN 60950 EN 301 489-1/-17 EN 300 328 21 5. RF Information 5.1. Radio Frequency Range 2.402~2.480GHz 5.2. Number of Frequency Channel 79 channels 5.3. Transmission Method FHSS(Frequency Hopping Spread Spectrum) 5.4. Modulation Method GFSK(Gaussian-filtered Frequency Shift Keying) 5.5. Radio Output Power Products Radio Output Power ESD100 +18dBm ESD110 +18dBm ESD200 +4dBm ESD210 +4dBm 5.6. Receiving Sensitivity Products Radio Output Power ESD100 -88dBm ESD110 -88dBm ESD200 -80dBm ESD210 -80dBm 22 5.7. Power Supply Products Radio Output Power ESD100 DC3.3V ESD110 DC3.3V ESD200 DC3.3V ESD210 DC3.3V 23 Appendix A: Connections A.1. Pin Assignment A.1.1. Parani-ESD100/110 Figure A-1 Pin Assignment of Parani-ESD100/110 Table A-1. Pin Assignment of Parani-ESD100/110 Pin # Signal Direction Description Signal Level GND Power Ground Ground TxD Output UART Data Output TTL RxD Input UART Data Input TTL RTS Output UART Ready to Send TTL CTS Input UART Clear to Send TTL VDD Input DC Input (3.0~3.3V) Ground Pairing Input Pairing Input TTL Status Output Bluetooth Connect Detect (Active Low) TTL DSR Input Data Set Ready TTL 10 DTR Output Data Terminal Ready TTL 11 RST Input Reset (Active Low) TTL 12 GND Power Ground Ground 24 A.1.2. Parani-ESD200/210 Antenna Figure A-2 Pin Assignment of Parani-ESD200/210 Table A-2 Pin Assignment of Parani-ESD200/210 Pin # Signal Direction Description Signal Level GND Power Ground Ground VDD Input DC Input (3.0~3.3V) Ground Status Output Bluetooth Connect Detect (Active Low) TTL RST Input Reset (Active Low) TTL CTS Input UART Clear to Send TTL RTS Output UART Ready to Send TTL TxD Output UART Data Output TTL RxD Input UART Data Input TTL A.1.3. DCD Signal Status of Bluetooth connection will be delivered to Host PC via DCD line. When Bluetooth connection is made, DCD signal will be in state OFF. For disconnection of Bluetooth, DCD signal will become state ON. Connection Module Ă low signal 25 A.1.4. RST Signal RST signal will be used for initialization of Parani-ESD. RST should be on 0V status for at least 1 second for this. A.1.5. Pairing Signal (only for Parani-ESD100/110) Parani-ESD100/110 provides pairing signal input for instant configuration without PC to make an automatic connection between two Parani-ESDs. For convenience sake, name two Parani-ESDs as ESD1 and ESD2 respectively. Step 1. Turn off all the nearby Parani-ESD Step 2. Turn on ESD1 and ESD2 and hardware reset both of them by using RST signal. Step 3. Drop the pairing signal of ESD1 to low state and keep it for 2 seconds. Keep the power ON. Step 4. Drop the pairing signal of ESD2 to low state and keep it for 2 seconds. Raise the pairing signal of ESD2 to high state and keep it for 2 seconds. Now drop again the pairing signal of ESD2 to low state and keep it for 2 seconds Step 5. Wait for ESD1 & ESD2 to be connected for a while. It takes about 10 seconds to make a connection. If there are many Bluetooth devices nearby, it will take a little bit more. Step 6. Now a pair of Parani-SD is configured to make automatic connection, whenever power off and on. Just use this pair of Parani-SD like virtual serial cable. * Note: While pairing is progressing by the pairing signal, the Command Response will be inactivated automatically. Then, Parani-ESD will not send the response messages such as OK, Connect and Disconnect. Table 0-1 Pairing Process by Pairing Signal ESD100/110 Status Pairing Signal ESD200/210 Status Paring Signal 1. Hard reset Mode0 HIGH 1. Hard reset Mode0 HIGH 2. Drop pairing signal Mode3 LOW 2. Drop pairing signal Mode3 LOW 3.Restore pairing signal Mode3 HIGH 3.Restore pairing signal Mode3 HIGH 4. Drop pairing signal Mode1 LOW 5.Restore pairing signal Mode1 HIGH 6. Connected Master HIGH 6. Connected Slave HIGH 26 A.2. Connection Diagram A.2.1. Parani-ESD100/110 A.2.1.1. When TTL level of MICOM is 3.3V PROMI-ESD01 MICOM MICRO-VDD DC 3.3V VDD MICOM-DCD Status MICOM-TXD RXD MICOM-RXD TXD MICOM-RTS CTS MICOM-CTS RTS MICOM-DTR DSR MICOM-DSR DTR MICOM-RST RST MICOM-GND GND A.2.1.2. When TTL level of MICOM is 3.3V and Hardware Flow Control is not used 27 A.2.1.3. When TTL level of MICOM is 5V PROMI-ESD01 MICOM MICRO-VDD DC 3.3V VDD MICOM-DCD Status 68K 115K MICOM-TXD RXD MICOM-RXD TXD 68K 115K MICOM-RTS CTS MICOM-CTS RTS 68K 115K MICOM-DTR DSR MICOM-DSR DTR 68K 115K MICOM-RST RST MICOM-GND GND 28 A.2.2. Parani-ESD200/210 A.2.2.1. When TTL level of MICOM is 3.3V A.2.2.2. When TTL level of MICOM is 3.3V and Hardware Flow Control is not used 29 A.2.2.3. When TTL level of MICOM is 3.3V and Hardware Flow Control is not used 30 Appendix B: AT Commands B.1. Terminology B.1.1. AT Command AT command set is the de facto standard language for controlling modems. The AT command set was HT TH HT TH HT TH developed by Hayes and is recognized by virtually all personal computer modems. Parani-ESD HT TH HT TH provides the extended AT command set to control and configure the serial parameters and Bluetooth connection. B.1.1. AT Response Parani-ESD replies to AT commands with 4 kinds of message, âOKâ, âERRORâ, âCONNECTâ and âDISCONNECTâ. B.1.2. Operation Mode Mode Description Mode0 Waiting for AT commands Mode1 Attempting to connect the last connected Bluetooth device Mode2 Waiting for the connection from the last connected Bluetooth device Mode3 Waiting for the connection from any other Bluetooth device B.1.3. Operation Status Status Description Standby Waiting for AT commands Pending Executing tasks Connect Executing tasks B.1.4. Security Security Description Authentication Pin Code (or Pass key) Encryption Data encryption 31 B.1.5. Symbols The symbols are used for the description of command syntax as follows: Symbols Meaning ASCII Code Carriage return 0x0D Line feed 0x0A Carriage return + Line feed Bluetooth device address N or m One digit decimal number to Timeout in seconds B.2. Command Category Command Category Index AT Commands RESET ATZ AT&F SERIAL PORT AT AT+UARTCONFIG,b,p,s,h AT+USEDIP? Information AT+BTINFO? AT+BTINQ? AT+BTLAST Mode AT+BTMODEn Status 10 11 12 13 14 15 16 +++ AT+SETESC,nn ATO AT+BTCANCEL AT+BTSCAN AT+BTSCAN,n,to AT+BTSCAN112233445566,to Connection 17 18 19 ATD ATD112233445566 ATH Security 20 21 22 23 24 AT+BTKEY=$string AT+BTSD? AT+BTCSD AT+BTFP,n AT+BTSEC,a,e Miscellaneous 25 26 AT+BTNAME=$string AT+BTLPM,n 27 28 29 AT&V ATSnn? ATSnn=mm BLUETOOTH S-REGISTER 32 B.3. Command Description B.3.1. ATZ SD Response OK Purpose Software Reset Description This is the same effect as power off and on. This command disconnects Bluetooth device, and stops ongoing task. After rebooting, the status is decided by the preset operation mode. Some AT commands need ATZ to take effect. Reference AT&F, AT+BTCSD, AT+UARTCONFIG B.3.2. AT&F SD Response OK Purpose Hardware reset Description This is the same effect as initialization by reset button. All parameters are initialized to factory defaults. The storage of Parani-ESD is cleared completely. Reference ATZ B.3.3. AT SD Response OK Purpose Check the connection status with host equipment Description Check if the connection to host equipment is normal. The serial parameters of Parani-ESD must be same as those of host equipment. If not, SD response is none or âERRORâ or abnormal sequence of strings. Reference AT+UARTCONFIG, ATZ, AT&F B.3.4. AT+UARTCONFIG,Baudrate,Parity,Stopbit,Hwfc SD Response OK Purpose Set Serial parameters Parameters Baudrate=1200/2400/9600/14400/19200/38400/57600/115200/230400 (Default=9600) Parity=N/E/O (Default=N) Stopbit=1/2 (Default=1) Hwfc(Hardware Flow Control)=0/1 (Default=1) Description The Serial parameters can be set or changed. The factory default is 9600, N, 1. To take effect of this command, ATZ or power off and on. Reference AT, ATZ, AT&F, ATS Example AT+UARTCONFIF,9600,N,1 33 B.3.5. AT+USEDIP? SD Response m Purpose Check the Baud rate set by dip switch Description m=0: Set to âAT cmdâ m=1: Set to other than âAT cmdâ Reference AT, ATZ, AT&F, ATS B.3.6. AT+BTINFO? SD Response 112233445566,DeviceName,Mode,Status,Auth,Encryp,FlowControl OK Purpose Display Bluetooth settings Description The current Bluetooth settings are displayed including BD address, Device name, Operation mode, Operation status, Authentication, Data Encryption, and Hardware Flow Control. The initial value of Device name is âPSD100v1.0.0-445566â. PSD stands for Parani-ESD, v1.0.0 for the version of firmware, and 445566 for the last 6 digits of BD address. Mode=MODE0/MODE1/MODE2/MODE3 Status=STANDBY/PENDING/CONNECT Auth=0/1 (Authentication is not activated when 0) Encrypt=0/1 (Encryption is not activated when 0) FlowControl=HWFC/NoFC Reference AT+BTNAME, AT+BTMODE, AT+BTSEC, ATS14? Example 000B530011FF,SENA,MODE0,PENDING,1,1,HWFC B.3.7. AT+BTINQ? SD Response 112233445566,FriendlyName,CoD 112233445566,FriendlyName,CoD 112233445566,FriendlyName,CoD OK Purpose Search Bluetooth devices nearby Description The Bluetooth devices in Inquiry scan mode nearby are displayed with their BD addresses, Device names, and Class of device. Maximum 10 devices are scanned for 30 seconds. Reference AT+BTSCAN, ATD, AT+BTINFO? B.3.8. AT+BTLAST? SD Response 112233445566 Purpose Display the BD address of the last connected device Description The Bluetooth device connected to this Parani-ESD last time is displayed with its BD address. Reference AT+BTSCAN, ATD, AT+BTINFO?, AT+BTINQ? 34 B.3.9. AT+BTVER? SD Response SD100v1.0.0 OK Purpose Display device firmware version Description Display device firmware version Reference AT+BTINFO? B.3.10. AT+BTRSSI,n SD Response OK 0,255,0,0 (repeatedly) Purpose Test sensitivity Parameters n=0: Start sensitivity test n=1: Stop sensitivity test Description When Bluetooth connection is established, you can use this command in Stanby status. The sensitivity will be displayed repeatedly in order of Status, LinkQuality, Status, RSSI. If the LinkQuality is close to 255 and RSSI is close to 0, the sensitivity is not bad. Example +++ AT+BTRSSI,1 OK 0,255,0,0 B.3.11. AT+BTMODE,n SD Response OK Purpose Set operation mode Parameters n=0: MODE0 (Default) n=1: MODE1 n=2: MODE2 n=3: MODE3 Description When the operation status is âPendingâ currently, change the status to âStandbyâ with AT+BTCANCEL prior to this command. To take effect of this command, ATZ or power off and on Reference AT+BTINFO? Example AT+BTMODE,2 OK ATZ B.3.12. +++ SD Response OK Purpose Convert the operation status of âConnectâ to âStandbyâ 35 Description In âConnectâ status, data from host is transmitted to the other side Bluetooth device, and any AT command is not accepted but this command, which is not echoed on the screen. When Parani-ESD encounters a character â+â from host, it stops the data transmission and waits for next 2 characters. If the next 2 characters arenât both â+â, it restart to transmit data including the first â+â as well. If not, it converts the operation status to âStandbyâ. If the data from host includes â+++â, it will convert the operation status to âStandbyâ unexpectedly. Notice that Parani-ESD holds data transmission when it encounters â+â, until receiving next character. â+â is an escape sequence character by default, which is changeable by AT+SETESC. Reference AT+SETESC, ATO, AT+BTCANCEL B.3.13. AT+SETESC,nn SD Response OK Purpose Change the escape sequence character Description Escape sequence character set to â+â by default is changeable. The parameter nn must be a printable character. Reference +++, ATO Example AT+SETESC,42 B.3.14. ATO SD Response None Purpose Convert the operation status of âStandbyâ to âConnectâ Description You can convert the operation status of âStandbyâ to âConnectâ ready to transmit data. Reference +++, AT+SETESC B.3.15. AT+BTCANCEL SD Response OK Purpose Terminate a current executing task Description This terminates a current executing task, such as Inquiry scan and Page scan, then converts the operation status to âStandbyâ Reference AT+BTSCAN, ATD, AT+BTINQ? B.3.16. AT+BTSCAN SD Response OK CONNECT 112233445566 Purpose Wait for inquiry and connection from other Bluetooth devices Description This allows the inquiry and connection from the other Bluetooth devices. The operation status will be in âPendingâ after this command. When connection is made and released, the operation status is back to âPendingâ. To convert the operation status to âStandbyâ AT+BTCANCEL must be used. 36 This has the same effect as AT+BTSCAN,3,0. When connection is made with other Bluetooth device, SD response will be âCONNECTâ with its BD address. Reference ATD, AT+BTINQ?, AT+BTCANCEL B.3.17. AT+BTSCAN,n,to SD Response OK CONNECT 112233445566 or OK ERROR Purpose Wait for inquiry and connection from other Bluetooth devices for a given duration Parameters n=1: Allows Inquiry scan n=2: Allows Page scan n=3: Allows both of Inquiry scan and Page scan to= Time duration in seconds Description For the given to, Parani-ESD is waiting for the inquiry and connection from other Bluetooth devices. If the parameter of to is 0, it will wait forever. When connection is made with other Bluetooth device, SD response will be âCONNECTâ with its BD address. If there is no connection made within this time duration, SD response is âERRORâ and the operation status becomes to âStandbyâ. Reference ATD, AT+BTINQ?, AT+BTCANCEL Example AT+BTSCAN,2,30 B.3.18. AT+BTSCAN112233445566,to SD Response OK CONNECT 112233445566 or OK ERROR Purpose Wait for connection by the Bluetooth device with given BD address Parameters 112233445566=BD address to= time duration in seconds Description For the given to, Parani-ESD is waiting for the connection from the Bluetooth device with the given BD address. If the parameter of to is 0, it will wait forever. When connection is made with the Bluetooth device, SD response will be âCONNECTâ with its BD address. If there is no connection made within this time duration, SD response is âERRORâ and the operation status becomes to âStandbyâ. Reference ATD, AT+BTINQ?, AT+BTCANCEL Example AT+BTSCAN000B530011FF,30 B.3.19. ATD SD Response OK CONNECT 112233445566 or 37 OK ERROR Purpose Connect to the last connected Bluetooth device Description Parani-ESD saves the BD address of the Bluetooth device most recently connected. ATD can make connection to it without input its BD address. If it fails to make connection, SD response is âERRORâ. Reference AT+BTINQ?, AT+BTSCAN B.3.20. ATD112233445566 SD Response OK CONNECT 112233445566 or OK ERROR Purpose Connect to the Bluetooth device with given BD address Parameters 112233445566=BD address Description Parani-ESD attempts to connect to the Bluetooth device with the given BD address. To make successful connection, the Bluetooth device must be in Page scan. This attempt continues for 5 minutes. If it fails to make connection, SD response is âERRORâ. Reference AT+BTINQ?, AT+BTSCAN Example ATD000B530011FF B.3.21. ATH SD Response OK DISCONNECT Purpose Release the current connection Description The current Bluetooth connection is released normally. It takes about 30 seconds to detect an abnormal disconnection such as power off and moving out of service range. Reference ATD, AT+BTSCAN B.3.22. AT+BTKEY=$string SD Response OK Purpose Change pin code Parameters $string= New pin code (Default=â1234â) Description Pin code is a string, which allows 16 alpha-numeric characters maximum. Based on this pin code, Parani-ESD generates a link key which is used in actual authentication process Reference AT+BTCSD, AT+BTFP, AT+BTSD?, AT+BTSEC, ATZ, AT&F Example AT+BTKEY=âappleâ 38 B.3.23. AT+BTSD? SD Response 112233445566 OK Purpose Display the list of Bluetooth devices sharing the pin code Description Once a connection is made with pin code, Parani-ESD saves the Bluetooth device with its link key generated by pin code. The connection to a device listed in Parani-ESD can be made automatically without authentication process. The maximum number of the list is 5. Reference AT+BTCSD, AT+BTFP, AT+BTKEY, AT+BTSEC, ATZ, AT&F B.3.24. AT+BTCSD SD Response OK Purpose Clear the list of Bluetooth devices sharing the pin code Description This clears the list of Bluetooth devices with link key in flash memory. To take effect of this command, ATZ or power off and on because the main memory still has the list. Reference AT+BTFP, AT+BTKEY, AT+BTSD?, AT+BTSEC, ATZ, AT&F B.3.25. AT+BTFP,n SD Response OK Purpose Set generation of link key every time of connection Parameters n=0: Inactivate (Default) n=1: Activate Description If n is set to 1, Parani-ESD asks pin code every time of connection. This is used to level up the security. Reference AT+BTCSD, AT+BTKEY, AT+BTSD?, AT+BTSEC, ATD, ATZ, AT&F B.3.26. AT+BTSEC,Authentication,Encryption SD Response OK Purpose Set authentication and data encryption Parameters Authentication=0: Inactivate (Default) Authentication=1: Activate Encryption=0: Inactivate (Default) Encryption=1: Activate Description If the authentication is activated, the pin code must be set by AT+BTKEY command. Data encryption cannot be used when authentication is not activated, i.e. Authentication=0 and Encryption=1 is not valid. Reference AT+BTCSD, AT+BTFP, AT+BTSD?, AT+BTSD?, ATZ, AT&F B.3.27. AT+BTNAME=$string 39 SD Response OK Purpose Change device name Parameters $string= New device name (Default=âPSDv3b-445566â) Description Parani-ESD can have a user friendly name to identify easily. The name allows 30 alphanumeric characters maximum. Reference AT+BTINFO?, AT+BTINQ? Example AT+BTNAME=âMy-Parani-ESDâ B.3.28. AT+BTLPM,n SD Response OK Purpose Set low power mode Parameters n=0: Inactivate (Default) n=1: Activate Description During no data transmission, Parani-ESD can be in low power mode to save the power consumption. It takes a few seconds to wake up Parani-ESD in low power mode. B.3.29. AT+DFU SD Response (Display garbage messages repeatedly) Purpose Device firmware update Description DO NOT use this command in console. Because the Parani-ESD enter into firmware update mode, garbage messages will appear. This command is used by ParaniWINâs firmware update menu. B.3.30. AT&V SD Response S0:m0;S1:m1; âŚSn:mn OK Purpose Display all the S-register Description All parameters are stored at S-register in flash memory. These values are sustained until hardware reset. Reference ATS B.3.31. ATSnn? SD Response value OK 40 Purpose Display a given S-register Parameters nn= Address of S-register Description A specific S-register is displayed. Reference AT&V B.3.32. ATSnn=mm SD Response OK Purpose Change S-register value Parameters nn= Address of S-register mm= New value of S-register Description Some S-registers are optimized for the overall performance and protected from an arbitrary change by user. When users try to change these S-registers, SD response is âERRORâ. For details of S-register, refer Appendix. B. Reference AT&V Example ATS10=0 B.4. Command Validity AT Command Operation Status Standby Pending AT â â ATZ â â AT&F â â AT+BINQ? â ATD112233445566 â ATD â AT+BTSCAN â AT+BTSCAN,n,to â AT+BTSCAN112233445566,to â Connect â AT+BTCANCEL â +++ AT+SETESC â ATO â ATH â AT+BTSEC,Auth,Encr â AT+BTLAST? â 41 â AT+BTMODEn â AT+BTNAME=âNameâ â AT+BTKEY=ânnnnâ â AT+BTINFO? â AT+BTLPM,n â AT+BTSD? â AT+BTCSD â AT+BTFP,n â AT+UARTCONFIG,b,p,s,h â AT+USEDIP? â â AT+BTVER? â â AT+DFU â â AT+BTRSSI,n â â â Valid only when Parani-ESD is not connected to other Bluetooth device. â Valid only when Parani-ESD is connected to other Bluetooth device. 42 Appendix C: S-Register S-registers contain 46 parameters of Parani-ESD. These are stored in flash memory and sustained the values unless hardware reset is executed. The value of S-register can be accessed and changed with ATS command by user. Some S-registers not shown below are set to maximize the performance of Parani-ESD. Thus it is not recommended to change these S-registers. Change the value of S-register only in Standby status. C.1. S1: Force to Reconnect (default 1) S1=0, Parani-ESD in Mode1 does not try reconnection when disconnected. S1=1, Parani-ESD in Mode1 keeps trying reconnection when disconnected. C.2. S2: Enable Hardware Flow Control (default 1) S2=0, Parani-ESDâs hardware flow control is off. S2=1, Parani-ESDâs hardware flow control is on. In case of SD Series, it can be changed only through dip switch. C.3. S3: Stream UART Policy (default 0) S3=0, the priority of UART streaming is throughput. S3=1, the priority is latency, which minimizes the delay of data transmission. This is useful in case of transmiting very small data quickly. This value decides the way of handling stream data from UART. When this value is 1, in order that SD minimizes the latency, SD sends the received data immediately. When this value is 0, in order that SD maximizes throughput, SD stores received data for a short time and sends a large packet. If the packet length is less than100 bytes, latency-oriented way is better. But if the packet length is more than 100 bytes, throughput-oriented way is recommended. Also if you want to use high baudrate, throughput-oriented way is more effective. Just for reference, the buffer length for receiving is 2 Kbytes. C.4. S4: Enable Remote Name Query (default 1) S4=0, Parani-ESD inquires only BD address. This speeds up the inquiry process. S4=1, Parani-ESD inquire BD address, device name and class of device. This value decides whether SD finds friendly name of Bluetooth device or not. When this value is 1, SD finds not only BD address but also friendly name. When this value is 0, SD finds only BD address. Without finding friendly name, a searching is quick to respond. If you want to search the other Bluetooth devices quickly, set this value to 0. In case of using pairing button, finding friendly name will be omitted automatically. 43 C.5. S6: Enable Low Power Mode (default 0) S10=0, deactivate Low Power Mode. S10=1, activate Low Power Mode. This value decides whether SD works in Low Power Mode or not. When this value is 0, SD works only in active power mode. When SD works in Low Power mode, delay in transferring data may occur. C.6. S10: Enable SD Response (default 1) S10=0, Parani-ESD does not send SD responses to host system. S10=1, Parani-ESD send SD responses to host system. This value decides whether SD sends response messages such as OK, ERROR, CONNECT, DISCONNECT or not. When this value is 0, SD sends no response messages. If the response messages cause troubles in host programs or devices that is connected to SD, change this value to 0. C.7. S11: Enable Escape (default 1) S11=0, Parani-ESD does not allow escape sequence character. The operation status of Connect cannot be changed to Standby. As Parani-ESD skips the process detecting escape sequence character, the more efficient data transmission is expected. S11=1, Parani-ESD allow escape sequence character. Whenever it is needed, the Connect status can be changed to Standby. C.8. S12: Clear Data Buffer When Disconnected (default 0) S12=0, Parani-ESD does not clear the data buffer received from host system when disconnected. S12=1, Parani-ESD clears the data buffer when disconnected. C.9. S14: Enable DTR Transfer (default 1) S14=0, DTR/DSR signal is transferred to loop-back. S14=1, DTR signal is transferred to DSR of remote device. C.10. S15: Enable Disconnect by DTR (default 0) S15=0, DTR signal cannot release the connection. S15=1, The Bluetooth connection can be released when DTR signal is off. This value decides whether Bluetooth connection is released when DTR signal drops or not. If this value is 1, you can use DTR signal in order to disconnect Bluetooth connection. C.11. S22: Fast Connect (default 0) S22=0, none S22=1, page scan S22=2, inquiry scan S22=3, page/inquiry scan 44 C.12. S24: Maximum Number of Inquiry Result (default 10) The maximum number of inquiry list can be controlled. This value is up to 15, C.13. S28: Escape Sequence Character (default 43) The decimal number of the ASCII code of escape sequence character can be controlled. The initial value is 43, the ASCII code of â+â. C.14. S31: Page Timeout (default 300) This is the timeout in seconds to attempt connection with ATD command. After this timeout expires, the SD will restart automatically. If this value is 0, SD will attempt to connect without restarting C.15. S33: Inquiry Timeout (default 30) This is the timeout in seconds to execute inquiry scan. C.16. S37: Supervision Timeout (default 16000) This is the timeout in 625Âľsec to presume disconnection, which is set to 16000 initially. 16000ÂŻ625Âľsec=10sec) The smaller the value becomes, the more quickly Parani-ESD can detect an abnormal disconnection. But when the communication is suspended for some environmental reasons, it may be regarded as disconnection. C.17. S46: BD Address of Last Connected Device This saves the BD address of the Bluetooth device connected most recently. 45 Appendix D: Trouble Shooting D.1 No Data Transmission D.1.1 COM Port Settings Check whether the Baud rate of Parani-ESD is same as that of its host equipment. If you donât know the current Baud rate, initialize it to 9600 by resetting Check whether the Data bit is set to 8. Parani-ESD supports only 8 Data bit. If your host equipment uses 7 Data bit and even or odd parity, it can work as if it uses 8 Data bit and No parity. This is valid only when both DCE devices are Parani-ESD. In this case, set both Parani-ESDs to 8 Data bit and No parity. If one of DCE devices is other Bluetooth device such as Bluetooth USB dongle, please contact Technical Support. Check whether the Parity and Stop bit of Parani-ESD are same as those of its host equipment. ParaniESD supports No parity, Even parity and Odd parity, 1 and 2 Stop bit. Check whether the host equipment of Parani-ESD uses Hardware Flow Control. Parani-ESD is initially set to Use of Hardware Flow Control. If your host equipment does not use Hardware Flow Control, set the Hardware Flow Control of Parani-ESD to No use. Parani-ESD does not support RS-232 break signal. D.2 Data Loss or Malfunctioning D.2.1Hardware Flow Control When transmitting large data with No use of Hardware Flow Control, Parani-ESD will clear the data buffer unexpectedly. This possibility goes higher as the RF transmission environment is bad. D.2.2 SD Response The messages of AT response may affect the function of host system. Set ATS10=0 not to send AT response to host system and try again. Refer Appendix B. for details. 46 D.3 Transmission Delay D.3.1 RF Processing Delay It takes 30msec approximately for a Parani-ESD to complete the data transmission to the other side Bluetooth device. This time delay cannot be reduced and would be bigger as the RF transmission environment is bad. Do not use Parani-ESD If your applications cannot allow this time delay. D.3.2 RF Transmission Environment If there are lots of Bluetooth device working in a small area and/or the RF communication distance is too long and/or there are some obstacles affecting RF performance, Parani-ESD repeats the transmission packet by packet due to interferences and/or low RF performance. This leads the transmission time delay. 47 Appendix E: How make a RS232 interface Jig Board 48
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