Calibre UK PICA93LV user manual Calibre

Page 1

CALIBRE

PICA93LV

Parallel I2C Communications Adapter User Manual

Issue 1.3

22/07/1999

Calibre UK Limited

Cornwall House, Cornwall Terrace

Bradford, West Yorkshire, BD87JS, England

Tel No : (01274) 394125

FAX No: (01274) 730960)

E-mail:sales@calibreuk.com

Web-sitewww.calibreuk.com

Image 1

Contents Calibre Copyright CalibreContents Introduction Configuring the AdapterGeneral Introduction Packing ListTypical PC Connection Installing the AdapterConnector Pinout Connecting the Adapter to Your SystemPower Supply Bus Capacitance Limitations\C\CLIB\SPICA.LIB Software Utilities\C\CLIB\CPICA.LIB \C\CLIB\MPICA.LIB\B\SOURCE\I2CINC.BAS DOS Qbasic Library/Programs\B\SOURCE\PROMREAD.BAS \B\SOURCE\PROMWRIT.BASWindows LIB/DLL Functions Routines Using the UtilitiesInt ownaddress Int sclkInt slaveaddress Int i2cstatusInt setnack Calibre Int i2cdata Calibre Int i2cstatus Number if the adapter is to read from the slave Ownaddress% Qbasic RoutinesSclk% I2cstatus%Slaveaddress% I2cdata% Setnack%See Appendix a for details status codes I2cstatus% Is to read from the slave Int baseaddress Libraries for Programming in Microsoft Windows EnvironmentsInt statuswait Int wrData Int ErrCodeSendaddress Address to be accessed via the I2C, e.g. A1H Int far *transferarray Int sendbytesint far *transferarrayInt bsent Int nobytesread Int getbytesint far *transferarraySlave using the adapter Further Information Appendix a Parallel I2C Communications Adapter Status Codes Bit 4 The Bus Error BER BitBit 7 MSB The Pending Interrupt Not PIN Bit Bit 6 Not UsedAppendix B Parallel I2C Communications Adapter Control Codes Most Commonly Asked I2C Questions Question Get corrupted transfers why is this?Question Do you have software to talk to my........? QuestionCode. Why? Please Email Your Query to