Philips MIIC-201D/U manuale d’uso

User’s Guide DLL/USB I 2 C Host Adapter with iPort Utility Pack Software www.mcc-us.com[...]

Introduction The MCC iPort™ DLL/USB to I 2 C Host Adapter (#MIIC-201D/U) allows any Windows 98se, 2000, XP, or higher PC, with a free USB port or self-powered USB hub, to become an I 2 C Master or Slave device, transmitting or receiving I 2 C messages between the PC and one or more I 2 C devices across an I 2 C Bus. This user’s guide describes [...]

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Table of Contents Part 1 - iPort DLL/USB I 2 C Bus Host Adapter .......................... 1 1 O v e r v i e w ....................................................... 2 iPort DLL/USB I 2 C B u s H o s t A d a p t e r ................................ 2 i P o r t D L L / U S B V i r t u a l C o m m u n i c a t i o n s P o r t ( V C P ) ..............[...]

4 i P o r t M e s s a g e C e n t e r ............................................ 1 6 M e s s a g e C e n t e r O p e r a t i o n s ........................................ 1 7 S t a r t i n g t h e M e s s a g e C e n t e r ..................................... 1 7 S e l e c t i n g t h e A d a p t e r .......................................... 1[...]

S e l e c t t h e A d a p t e r ............................................. 2 9 E s t a b l i s h A d a p t e r C o m m u n i c a t i o n s L i n k ........................... 3 0 B a s i c S e t u p .................................................. 3 0 A d v a n c e d S e t u p .............................................. 3 1 Adapter’s Own [...]

1 Part 1 - iPort DLL/USB I 2 C Bus Host Adapter Part 1 DLL/USB I 2 C Bus Host Adapter User’s Guide Model: MIIC-201D/U[...]

2 1 Overview The MCC iPort DLL/USB I 2 C Bus Host Adapter (#MIIC-201D/U) allows any Windows 98se, 2000, XP, or higher PC with a free USB port or self-powered USB hub, to become an I 2 C Master or Slave device, transmitting or receiving I 2 C messages between the PC and one or more I 2 C devices across an I 2 C Bus. iPort DLL/USB Product Features: ?[...]

3 1.3 iPort Utility Pack Software This free software package includes the iPort Message Center and Message Manager applications to help you easily send and receive I 2 C Bus messages. 1.4 iPort Software Development Kit for Windows This optional software package includes: • iPort DLL (Dynamic Linked Library) for Windows • Programmer’s Guide ?[...]

4 2.1 USB Connector The USB connector provides connection from the I 2 C adapter to a USB port on the host computer or self-powered USB hub. The iPort DLL/USB operates as a bus-powered USB device, with limited target system power. Additional target system power can be provided via an included external power supply. 2.1.1 Virtual Communications Port[...]

5 Use of the +5V wire in the I 2 C Interface connector is optional. Connect this wire to the target system to power the target system from either: 1 USB derived power. Maximum available target system power is 100 ma at +5V. 2 A +5VDC Power Jack connected external +5V regulated power supply. Maximum available target system power is 250 ma at +5V. Re[...]

6 3 Hardware Configuration 3.1 Pull-up Resistors I 2 C Bus systems are based on open-collector technology requiring pull-up devices on each signal wire. These pull-up devices usually take the form of pull-up resistors connected to bus power. The I 2 C adapter includes a slide switch used to enable or disable internal +5VDC I 2 C Bus 1.8K ohm pull-u[...]

7 compatible, not SMBus compatible. Some features of the SMBus protocol not supported include time-outs, device reset, and Packet Error Check byte processing. The non-supported SMBus features may, or may not, permit the use of the I 2 C adapter in your SMBus application. Consult the MCC FAQ web page and SMBus Specification for details. 4 ESD (Elect[...]

8 4.2 Grounding Solutions To avoid damage to the host computer, I 2 C adapter, or target system, follow these instructions: • Wear an earth grounded wrist strap, or discharge any static charge build-up, when handling the I 2 C adapter or any target system devices. • Ensure that both the host computer and target system are connected to a common [...]

9 The Windows Hardware Wizard will assign the iPort DLL/USB to a new communications port number. You can find the ComPort number of the iPort DLL/USB by running our Message Center or Message Manager software, and selecting the iPort DLL/USB device. You can also find the ComPort number by expanding the Ports Icon in the Windows Control Panel | Syste[...]

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11 Part 2 - iPort Utility Pack for Windows Part 2 iPort Utility Pack for Windows V5.4[...]

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13 1 iPort Utility Pack for Windows The iPort Utility Pack for Windows is your express lane to I 2 C Bus communications. The Utility Pack includes two (2) Windows-based applications (Message Center and Message Manager) that will help you get started sending and receiving I 2 C Bus messages quickly and easily. 1.1 iPort Message Center The iPort Mess[...]

14 1.2 iPort Message Manager The iPort Message Manager operates with all versions of our I 2 C Bus Host Adapters. Using the Message Manager, you can perform all four (4) modes of I 2 C Bus message activity, including: • Master Transmit • Master Receive • Slave Transmit • Slave Receive[...]

15 2 System Requirements One of the following MCC I 2 C Bus adapters: 1. iPort/USB (#MIIC-204) USB to I 2 C Bus Host Adapter. 2. iPort/AFM (#MIIC-203) RS-232 to I 2 C Bus Host Adapter with ASCII Fast Mode Interface. 3. iPort/AI (#MIIC-202) RS-232 to I 2 C Bus Host Adapter with ASCII Interface 4. iPort (#MIIC-201) Windows to I 2 C Bus Host Adapter. [...]

16 Main Application 4 iPort Message Center The iPort Message Center supports I 2 C Master Transmit and Master Receive activities for all MCC I 2 C Bus host adapters. With this program you can create, save, and execute scripts of I 2 C Master messages. The iPort Message Center allows a PC to become an I 2 C Master transmitter or receiving device, se[...]

17 Opening Screen Main Application 4.1 Message Center Operations Communicating with another device on the I 2 C Bus is easy. Just install the software as described in Section 3, then follow these simple steps: 4.1.1 Starting the Message Center Click, Start * Programs * iPort Utility Pack * iPort Message Center 4.1.2 Selecting the Adapter Select the[...]

18 4.1.3 Select the Communications Port Use the “ComPort:” control to select the communication port connected to the I 2 C adapter. If an iPort/USB or iPort DLL/USB is selected, the serial number for the adapter is displayed (Win 2000, XP+ only). In addition to legacy RS-232 ports and Virtual Communication Ports, Message Center supports USB and[...]

19 Use the I 2 C Message Editor to: 1. Set I 2 C Address. The I 2 C Address is the I 2 C slave address of the slave device being addressed on the bus. All slave addresses are displayed as even numbers (00...FE), representing the 7 most significant bits of the 8-bit slave address transmitted on the bus (aaaa aaa0). The I 2 C adapter automatically su[...]

20 across the bus begins with a Start Condition, in this case a Repeated Start. An I 2 C Bus master, that successfully sends a message on the bus, owns the bus until that master sends a message with a terminating Stop Condition. The Repeated Start operation allows the bus master to retain control of the bus while sending one or more messages on the[...]

21 4.1.7 Inserting and Deleting Messages You can insert a new message between existing messages by clicking once on a message below where you want to insert, then press the “Insert” key on your keyboard. The Message Editor also remembers the last message displayed, so double clicking on a blank spreadsheet row will allow you to copy a message. [...]

22 4.1.11 Slave Not Acknowledging If you get a “Slave Not Acknowledging” message in the Status window, this could indicate you have the wrong address in the I 2 C Destination Address, or the device is not answering to its address. Some slave devices temporarily stop acknowledging their address. Consult the slave device’s data sheet for detail[...]

23 4.2 Command Line Arguments The Message Center can be controlled via command line arguments. This feature allows the Message Center to be accessed from a batch file or another program. Message Center Command Line Arguments Command Description iPort, iPort/AI, iPort/AFM, Variable, iPort/USB, iPortDLL/USB Specify I 2 C adapter type.* COM1...COM20 S[...]

24 4.2.1 Set Adapter Type iPort/USB iPort/USB (#MIIC-204) iPort/AFM iPort/AFM (#MIIC-203) iPort/AI iPort/AI (#MIIC-202) iPort iPort (#MIIC-201) Variable Variable Clock (#MIIC-201-V) iPortDLL/USB iPort DLL/USB (#MIIC-201D/U) The Adapter Type argument should be the first argument in the argument list as it controls the availability of other arguments[...]

25 within the specified range. The Message Center will adjust the specified rate to the nearest available supported rate. 4.2.5 Enable /INT Signal Monitor Monitor/INT (on INT supported adapters only. Default=OFF) Enable /INT signal monitoring. 4.2.6 Stop On Busy StopOnBusy (Default=OFF) Stop sending I 2 C messages if the adapter returns a "Bus[...]

26 4.2.10 Beep On Arbitration Loss BeepOnArbLoss (Default=OFF) Generate a host computer beep if the adapter returns a "Bus Arbitration Loss" response to the host computer. Bus Arbitration Loss occurs when another I 2 C Bus master wins arbitration while the adapter is attempting to become a bus master. 4.2.11 Beep On Slave Negative Acknowl[...]

27 4.2.14 Saved I 2 C Message List File AutoSave=filename AutoSave="file name" Automatically save message list to the specified file upon executing AutoExit. Use to save message data read from a slave transmitter device. 4.2.15 Auto Open AutoOpen Auto Open Link to I 2 C Adapter Open link to the adapter. 4.2.16 Auto Send AutoSend Auto Send[...]

28 Main Application 5 iPort Message Manager The iPort Message Manager supports I 2 C Master and Slave, Transmit and Receive activities for all MCC I 2 C Bus host adapters, allowing a PC to become an I 2 C Master or Slave device, transmitting or receiving I 2 C messages between the PC and one or more I 2 C devices across an I 2 C Bus. The Message Ma[...]

29 Opening Screen 5.1 Message Manager Operations Communicating with another device on the I 2 C Bus is easy. Just install the software as described in Section 3, then follow these simple steps: 5.1.1 Starting the Message Manager Click, Start * Programs * iPort Utility Pack * iPort Message Manager 5.1.2 Select the Adapter Select the I 2 C adapter yo[...]

30 Basic Set Up Screen 5.1.3 Establish Adapter Communications Link On the main screen, click the Open button to view the Set Up Screen. Three levels of setup options are available, Basic, Advanced, and Diagnostic. Only Basic setup is required. 5.1.3.1 Basic Setup Use the “ComPort” control to select the communication port connected to the I 2 C [...]

31 Advanced Set Up Screen 5.1.3.2 Advanced Setup On the Advanced Setup screen you can set the following parameters: Adapter’s Own I 2 C Slave Address Select the I 2 C adapter’s own slave address. The adapter will acknowledge messages sent to this slave address. The default address is 0x6E. General Call Enable General Call Enable allows the I 2 [...]

32 Diagnostic Set Up Screen 5.1.3.3 Diagnostic Setup (on supported adapters) On the Diagnostic Set-up screen you can set the following parameters: Log File Level A log file is available for troubleshooting communication problems between the host computer and the I 2 C adapter. The log file is an ASCII text file viewable with any text editor. Select[...]

33 5.1.4 Sending I 2 C Messages 5.1.4.1 Master Operations 5.1.4.1.1 Specifying the Destination Address The Destination Address is the I 2 C slave address of the slave device being addressed on the bus. All slave addresses are displayed as even numbers (00...FE), representing the 7 most significant bits of the 8-bit slave address transmitted on the [...]

34 5.1.4.1.3 Auto Repeat The situation often arises, where you would like to automatically repeat a master message operation. The Message Manager supports auto-repeat with the Auto Repeat checkbox. You can automatically repeat a master operation by checking the Auto Repeat control before clicking the Master Tx, Master Rx, or Master TxRx buttons. Th[...]

35 Click OK to accept the data. Sending Master Transmit Messages Click the Master Tx button to write the specified Master Tx Data Bytes to the selected destination slave device. If Auto Repeat is checked, the message will automatically repeat upon completion. The Communications Events window on the main screen should report “Master Tx Complete.?[...]

36 Negative Acknowledge Last Byte On supported adapters, the doNak checkbox gives you the option to acknowledge, or negatively acknowledge, the last byte read from a slave device. Some Slave Transmitter Devices require a negative acknowledgment on the final byte read from the slave device. I 2 C adapters not supporting this option automatically neg[...]

37 6 Uninstalling Software Components Software components include the iPort Utility Pack for Windows, and, for iPort/USB and iPort DLL/USB users, the Virtual Communications Port (VCP) Device Driver. The following instructions can be used to remove either or both software components from your computer. 6.1 Uninstalling iPort Utility Pack for Windows[...]

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39 iPort DLL/USB Revision Report This section defines revisions and changes made to the iPort DLL/USB interface: Revision: 1.00 1 Initial Release Additional Information For additional information on the I 2 C Bus, please refer to the following: “What is I 2 C?” www.mcc-us.com/I2CBusTechnicalOverview.pdf “Frequently Asked Questions (FAQ)” ww[...]

40 Appendix A - I 2 C Connector Information Interface Connector and Plug Information MCC uses two (2) different connectors and plug assemblies. We have found these parts to be compatible. I 2 C Receptacle Connectors Molex SEMCONN ACCESS.bus Receptacle Connector Molex Part # 15-83-0064 AMP SDL (Shielded Data Link) Connectors for ACCESS.bus AMP Part [...]

41 Declaration of Conformity This Declaration of Conformity is issued by th e indicated company which is solely responsible for the declared compliance. Product(s): iPort/USB and iPort/ DLL/USB Product Part Number(s): MIIC-204 and MIIC-201D/U Product Description: I2C Bus Host Adapter Applicable Directive(s): EC Directive 89/336/EEC Compliant Standa[...]