OBD开源代码资料

********************************************************************* ScanTool.net OBD-II Software v1.13 for ElmScan Copyright (C) 2006 ScanTool.net LLC, All Rights Reserved ********************************************************************* ====================================== ============= Disclaimer ============= ====================================== This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. ====================================== ============ Introduction ============ ====================================== ScanTool.net OBD-II Software for ElmScan is free software that allows you to use your computer and an inexpensive hardware interface to read information from your car's computer. Current version allows you to read trouble codes and see their descriptions, clear the codes and turn off the "Check Engine" light, and display real-time sensor data such as RPM, Engine Load, Vehicle Speed, Coolant Temperature, and Timing Advance. For more information about the ElmScan OBD-II interface, please visit our website, located at http://www.ScanTool.net. ====================================== ===== Minimum System Requirements ==== ====================================== Windows: - 486DX 25Mhz Processor or better - 4Mb RAM - Windows 95 or higher - DirectX 7 or newer - 640x480 display - Serial port DOS: - 386SX 10Mhz Processor or better - 1Mb RAM - DOS v3.0 - 640x480 display - Serial port ====================================== =========== Troubleshooting ========== ====================================== If you are having problems running the software, please visit our Support Page located at http://www.scantool.net/support ====================================== =========== Version History ========== ====================================== v1.13 - Fixed some formatting, precision, and conversion errors in sensor formulas - Fixed inconsistent refresh rate display in Sensor Data - Refined handling of number of DTCs reported being different from number of DTCs read - Small bug fixes v1.12 - Refined error descriptions for ELM327 CAN DTC responses are now handled properly SAE-defined DTCs with no description are now not identified as manufacturer-defined Expanded Clear Codes warning to describe all things that will be cleared Misc. bug fixes v1.11 - Fixed a bug in Display Codes dialog, where the program would crash under some conditions Refined "COM Port Could not be Open" error handling v1.10 - Added baud rate switching Made compatible with ELM327 Added protocol detection to reset interface dialog Added pending DTCs DTCs are now read even if ECU reports 0 codes Added OBD Information dialog Cleaned up Main Menu Updated About dialog Misc. bug/cosmetic fixes v1.09 - Fixed erroneous interpretation of 7F responses (KWP2000) Fixed number of codes reporting in Trouble Codes Fixed possible incorrect DTC interpretation when more than one response is received v1.08 - Fixed problem with ECUs that pad the response with 0's v1.07 - Added the rest of the sensors defined in SAE J1979 (APR2002) Added the rest of "designed to comply with" to Sensor Data Cleaned up portions of the code Added COM ports 5-8 to Options Updated codes.dat with latest generic P and U codes, and removed B and C codes System information dialog supports a wider range of processors and platforms v1.06 - Fixed some problems with RS232 Corrected air flow rate formula (US system) Added 16 new sensors Modified the layout of "Sensor Data" Misc. bug fixes v1.04 - Updated serial library Some bug fixes and enhancements Support for multiple platforms and compilers v1.03 - Fixed incorrect display of some sensors when ELM323 is used v1.02 - Minor bug fixes v1.01 - Minor bug fixes v1.00 - Initial release