| 1 | #ifndef _DYNO_H_ |
| 2 | #define _DYNO_H_ |
| 3 | |
| 4 | /* |
| 5 | * freediag - Vehicle Diagnostic Utility |
| 6 | * |
| 7 | * |
| 8 | * Copyright (C) 2001 Richard Almeida & Ibex Ltd ([email protected]) |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; either version 2 of the License, or |
| 13 | * (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 23 | * |
| 24 | ************************************************************************* |
| 25 | * |
| 26 | * Dyno functionnalities |
| 27 | * |
| 28 | */ |
| 29 | |
| 30 | #if defined(__cplusplus) |
| 31 | extern "C" { |
| 32 | #endif |
| 33 | |
| 34 | /* Return codes */ |
| 35 | #define DYNO_OK 0 /* OK */ |
| 36 | #define DYNO_USAGE -1 /* Bad usage */ |
| 37 | |
| 38 | /* structure for loss measure tables */ |
| 39 | typedef struct dyno_loss_measure { |
| 40 | int millis; /* number of milliseconds */ |
| 41 | int speed; /* m/s * 1000 */ |
| 42 | } dyno_loss_measure; |
| 43 | |
| 44 | /* structure for measure tables */ |
| 45 | typedef struct dyno_measure { |
| 46 | int millis; /* number of milliseconds */ |
| 47 | int rpm; /* rpm */ |
| 48 | } dyno_measure; |
| 49 | |
| 50 | /* structure for dyno results */ |
| 51 | typedef struct dyno_result { |
| 52 | int rpm; /* rev per minute */ |
| 53 | int power; /* power (W) */ |
| 54 | int power_ch; /* power (ch DYN) */ |
| 55 | int torque; /* torque (N.m) */ |
| 56 | } dyno_result; |
| 57 | |
| 58 | |
| 59 | /* Mass of the vehicle (kg) */ |
| 60 | int dyno_set_mass(int mass); |
| 61 | int dyno_get_mass(void); |
| 62 | |
| 63 | /* Set ratio between speed (m/s * 1000) and rpm */ |
| 64 | int dyno_set_gear(int speed, int rpm); |
| 65 | int dyno_get_speed_from_rpm(int rpm); |
| 66 | |
| 67 | |
| 68 | /* |
| 69 | * Add loss measure |
| 70 | * - millis : time in milliseconds |
| 71 | * - speed : speed in m/s * 1000 (mm/s) |
| 72 | */ |
| 73 | int dyno_loss_add_measure(int millis, int speed); |
| 74 | |
| 75 | /* Get loss measures results */ |
| 76 | double dyno_loss_get_d(void); |
| 77 | double dyno_loss_get_f(void); |
| 78 | |
| 79 | /* Set d and f values */ |
| 80 | void dyno_loss_set_d(double d); |
| 81 | void dyno_loss_set_f(double f); |
| 82 | |
| 83 | /* Reset all dyno loss measures */ |
| 84 | int dyno_loss_reset(void); |
| 85 | |
| 86 | |
| 87 | /* |
| 88 | * Add a measure |
| 89 | * - millis : time in milliseconds |
| 90 | * - rpm : rpm |
| 91 | */ |
| 92 | int dyno_add_measure(int millis, int rpm); |
| 93 | |
| 94 | /* Reset all dyno data */ |
| 95 | int dyno_reset(void); |
| 96 | |
| 97 | |
| 98 | /* Get number of measures */ |
| 99 | int dyno_get_nb_measures(void); |
| 100 | |
| 101 | /* Get all measures */ |
| 102 | int dyno_get_measures(dyno_measure *measures, int size); |
| 103 | |
| 104 | |
| 105 | /* Get number of results */ |
| 106 | int dyno_get_nb_results(void); |
| 107 | |
| 108 | /* Get power and torque results */ |
| 109 | int dyno_get_results(dyno_result *results, int size); |
| 110 | |
| 111 | /* smooth results */ |
| 112 | int dyno_smooth_results(dyno_result *results, int size); |
| 113 | |
| 114 | |
| 115 | /* save measures and results to a file */ |
| 116 | void dyno_save(char *filename, dyno_result *results, int size); |
| 117 | |
| 118 | #if defined(__cplusplus) |
| 119 | } |
| 120 | #endif |
| 121 | #endif /* _DYNO_H_ */ |
| 122 | |