| 1 | #ifndef _DIAG_L3_ISO14230_H_ |
| 2 | #define _DIAG_L3_ISO14230_H_ |
| 3 | /* |
| 4 | * freediag - Vehicle Diagnostic Utility |
| 5 | * |
| 6 | * |
| 7 | * Copyright (C) 2001 Richard Almeida & Ibex Ltd ([email protected]) |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 22 | * |
| 23 | ************************************************************************* |
| 24 | * |
| 25 | */ |
| 26 | #if defined(__cplusplus) |
| 27 | extern "C" { |
| 28 | #endif |
| 29 | |
| 30 | // XXX L2 uses a nifty "2/3 * P3max" formula in to calculate keepalive interval. |
| 31 | // I'm not sure why we need this as well. |
| 32 | #define ISO14230_KEEPALIVE 3500 //ms timeout before keepalive signal on OBD bus. |
| 33 | //That keepalive corresponds to the P3 timing value; certain ECUs allow |
| 34 | // changes (SID 83, AccessTimingParameter) to modify P3. But by default they |
| 35 | // should be configured to accept 55 ms < P3 < 5000 ms |
| 36 | |
| 37 | #if defined(__cplusplus) |
| 38 | } |
| 39 | #endif |
| 40 | #endif /* _DIAG_L3_ISO14230_H_ */ |
| 41 | |