OBD II library
OBD2.h@0:804498f871bc, 2017-12-20 (annotated)
- Committer:
- okini3939
- Date:
- Wed Dec 20 07:20:57 2017 +0000
- Revision:
- 0:804498f871bc
1st build;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
okini3939 | 0:804498f871bc | 1 | |
okini3939 | 0:804498f871bc | 2 | #define PID_REQUEST_ALL 0x7DF |
okini3939 | 0:804498f871bc | 3 | #define PID_REQUEST 0x7E0 |
okini3939 | 0:804498f871bc | 4 | #define PID_REQUEST_ECU2 0x7E1 |
okini3939 | 0:804498f871bc | 5 | #define PID_REPLY 0x7E8 |
okini3939 | 0:804498f871bc | 6 | #define PID_REPLY_ECU2 0x7E9 |
okini3939 | 0:804498f871bc | 7 | |
okini3939 | 0:804498f871bc | 8 | /* Details from http://en.wikipedia.org/wiki/OBD-II_PIDs */ |
okini3939 | 0:804498f871bc | 9 | #define PID_0_20 0x00 //PID 0 - 20 supported |
okini3939 | 0:804498f871bc | 10 | #define STATUS_DTC 0x01 /// |
okini3939 | 0:804498f871bc | 11 | #define FREEZE_DTC 0x02 /// |
okini3939 | 0:804498f871bc | 12 | #define FUEL_SYS_STATUS 0x03 /// |
okini3939 | 0:804498f871bc | 13 | #define ENGINE_LOAD 0x04 // |
okini3939 | 0:804498f871bc | 14 | #define ENGINE_COOLANT_TEMP 0x05 |
okini3939 | 0:804498f871bc | 15 | #define ST_FUEL_TRIM_1 0x06 /// |
okini3939 | 0:804498f871bc | 16 | #define LT_FUEL_TRIM_1 0x07 /// |
okini3939 | 0:804498f871bc | 17 | #define ST_FUEL_TRIM_2 0x08 /// |
okini3939 | 0:804498f871bc | 18 | #define LT_FUEL_TRIM_2 0x09 /// |
okini3939 | 0:804498f871bc | 19 | #define FUEL_PRESSURE 0x0A // |
okini3939 | 0:804498f871bc | 20 | #define INTAKE_PRESSURE 0x0B // |
okini3939 | 0:804498f871bc | 21 | #define ENGINE_RPM 0x0C |
okini3939 | 0:804498f871bc | 22 | #define VEHICLE_SPEED 0x0D |
okini3939 | 0:804498f871bc | 23 | #define TIMING_ADVANCE 0x0E // |
okini3939 | 0:804498f871bc | 24 | #define INTAKE_TEMP 0x0F // |
okini3939 | 0:804498f871bc | 25 | #define MAF_SENSOR 0x10 |
okini3939 | 0:804498f871bc | 26 | #define THROTTLE 0x11 |
okini3939 | 0:804498f871bc | 27 | #define COMMANDED_SEC_AIR 0x12 /// |
okini3939 | 0:804498f871bc | 28 | #define O2_SENS_PRES 0x13 /// |
okini3939 | 0:804498f871bc | 29 | #define O2_B1S1_VOLTAGE 0x14 /// |
okini3939 | 0:804498f871bc | 30 | #define O2_B1S2_VOLTAGE 0x15 /// |
okini3939 | 0:804498f871bc | 31 | #define O2_B1S3_VOLTAGE 0x16 /// |
okini3939 | 0:804498f871bc | 32 | #define O2_B1S4_VOLTAGE 0x17 /// |
okini3939 | 0:804498f871bc | 33 | #define O2_B2S1_VOLTAGE 0x18 /// |
okini3939 | 0:804498f871bc | 34 | #define O2_B2S2_VOLTAGE 0x19 /// |
okini3939 | 0:804498f871bc | 35 | #define O2_B2S3_VOLTAGE 0x1A /// |
okini3939 | 0:804498f871bc | 36 | #define O2_B2S4_VOLTAGE 0x1B /// |
okini3939 | 0:804498f871bc | 37 | #define OBDII_STANDARDS 0x1C //List of OBDII Standars the car conforms to |
okini3939 | 0:804498f871bc | 38 | #define O2_SENS_PRES_ALT 0x1D /// |
okini3939 | 0:804498f871bc | 39 | #define AUX_IN_STATUS 0x1E /// |
okini3939 | 0:804498f871bc | 40 | #define ENGINE_RUNTIME 0x1F // |
okini3939 | 0:804498f871bc | 41 | #define PID_21_40 0x20 //PID 21-40 supported |
okini3939 | 0:804498f871bc | 42 | #define DIST_TRAVELED_MIL 0x21 /// |
okini3939 | 0:804498f871bc | 43 | #define FUEL_RAIL_PRESSURE 0x22 // |
okini3939 | 0:804498f871bc | 44 | #define FUEL_RAIL_PRES_ALT 0x23 /// |
okini3939 | 0:804498f871bc | 45 | #define O2S1_WR_LAMBDA_V 0x24 /// |
okini3939 | 0:804498f871bc | 46 | #define O2S2_WR_LAMBDA_V 0x25 /// |
okini3939 | 0:804498f871bc | 47 | #define O2S3_WR_LAMBDA_V 0x26 /// |
okini3939 | 0:804498f871bc | 48 | #define O2S4_WR_LAMBDA_V 0x27 /// |
okini3939 | 0:804498f871bc | 49 | #define O2S5_WR_LAMBDA_V 0x28 /// |
okini3939 | 0:804498f871bc | 50 | #define O2S6_WR_LAMBDA_V 0x29 /// |
okini3939 | 0:804498f871bc | 51 | #define O2S7_WR_LAMBDA_V 0x2A /// |
okini3939 | 0:804498f871bc | 52 | #define O2S8_WR_LAMBDA_V 0x2B /// |
okini3939 | 0:804498f871bc | 53 | #define COMMANDED_EGR 0x2C // |
okini3939 | 0:804498f871bc | 54 | #define EGR_ERROR 0x2D // |
okini3939 | 0:804498f871bc | 55 | #define COMMANDED_EVAP_P 0x2E /// |
okini3939 | 0:804498f871bc | 56 | #define FUEL_LEVEL 0x2F // |
okini3939 | 0:804498f871bc | 57 | #define WARMUPS_SINCE_CLR 0x30 /// |
okini3939 | 0:804498f871bc | 58 | #define DIST_SINCE_CLR 0x31 /// |
okini3939 | 0:804498f871bc | 59 | #define EVAP_PRESSURE 0x32 // |
okini3939 | 0:804498f871bc | 60 | #define BAROMETRIC_PRESSURE 0x33 // |
okini3939 | 0:804498f871bc | 61 | #define O2S1_WR_LAMBDA_I 0x34 /// |
okini3939 | 0:804498f871bc | 62 | #define O2S2_WR_LAMBDA_I 0x35 /// |
okini3939 | 0:804498f871bc | 63 | #define O2S3_WR_LAMBDA_I 0x36 /// |
okini3939 | 0:804498f871bc | 64 | #define O2S4_WR_LAMBDA_I 0x37 /// |
okini3939 | 0:804498f871bc | 65 | #define O2S5_WR_LAMBDA_I 0x38 /// |
okini3939 | 0:804498f871bc | 66 | #define O2S6_WR_LAMBDA_I 0x39 /// |
okini3939 | 0:804498f871bc | 67 | #define O2S7_WR_LAMBDA_I 0x3A /// |
okini3939 | 0:804498f871bc | 68 | #define O2S8_WR_LAMBDA_I 0x3B /// |
okini3939 | 0:804498f871bc | 69 | #define CAT_TEMP_B1S1 0x3C /// |
okini3939 | 0:804498f871bc | 70 | #define CAT_TEMP_B1S2 0x3E /// |
okini3939 | 0:804498f871bc | 71 | #define CAT_TEMP_B2S1 0x3D /// |
okini3939 | 0:804498f871bc | 72 | #define CAT_TEMP_B2S2 0x3F /// |
okini3939 | 0:804498f871bc | 73 | #define PID_41_60 0x40 //PID 41-60 supported |
okini3939 | 0:804498f871bc | 74 | #define MONITOR_STATUS 0x41 /// |
okini3939 | 0:804498f871bc | 75 | #define ECU_VOLTAGE 0x42 // |
okini3939 | 0:804498f871bc | 76 | #define ABSOLUTE_LOAD 0x43 // |
okini3939 | 0:804498f871bc | 77 | #define COMMANDED_EQUIV_R 0x44 /// |
okini3939 | 0:804498f871bc | 78 | #define REL_THROTTLE_POS 0x45 /// |
okini3939 | 0:804498f871bc | 79 | #define AMB_AIR_TEMP 0x46 /// |
okini3939 | 0:804498f871bc | 80 | #define ABS_THROTTLE_POS_B 0x47 /// |
okini3939 | 0:804498f871bc | 81 | #define ABS_THROTTLE_POS_C 0x48 /// |
okini3939 | 0:804498f871bc | 82 | #define ACCEL_POS_D 0x49 /// |
okini3939 | 0:804498f871bc | 83 | #define ACCEL_POS_E 0x4A /// |
okini3939 | 0:804498f871bc | 84 | #define ACCEL_POS_F 0x4B /// |
okini3939 | 0:804498f871bc | 85 | #define COMMANDED_THROTTLE 0x4C /// |
okini3939 | 0:804498f871bc | 86 | #define TIME_RUN_WITH_MIL 0x4D /// |
okini3939 | 0:804498f871bc | 87 | #define TIME_SINCE_CLR 0x4E /// |
okini3939 | 0:804498f871bc | 88 | #define MAX_R_O2_VI_PRES 0x4F /// |
okini3939 | 0:804498f871bc | 89 | #define MAX_AIRFLOW_MAF 0x50 /// |
okini3939 | 0:804498f871bc | 90 | #define FUEL_TYPE 0x51 // |
okini3939 | 0:804498f871bc | 91 | #define ETHANOL_PERCENT 0x52 // |
okini3939 | 0:804498f871bc | 92 | #define ABS_EVAP_SYS_PRES 0x53 /// |
okini3939 | 0:804498f871bc | 93 | #define EVAP_SYS_PRES 0x54 /// |
okini3939 | 0:804498f871bc | 94 | #define ST_O2_TRIM_B1B3 0x55 /// |
okini3939 | 0:804498f871bc | 95 | #define LT_O2_TRIM_B1B3 0x56 /// |
okini3939 | 0:804498f871bc | 96 | #define ST_02_TRIM_B2B4 0x57 /// |
okini3939 | 0:804498f871bc | 97 | #define LT_O2_TRIM_B2B4 0x58 /// |
okini3939 | 0:804498f871bc | 98 | #define ABS_FUEL_RAIL_PRES 0x59 /// |
okini3939 | 0:804498f871bc | 99 | #define REL_ACCEL_POS 0x5A /// |
okini3939 | 0:804498f871bc | 100 | #define HYBRID_BATT_PCT 0x5B /// |
okini3939 | 0:804498f871bc | 101 | #define ENGINE_OIL_TEMP 0x5C /// |
okini3939 | 0:804498f871bc | 102 | #define FUEL_TIMING 0x5D // |
okini3939 | 0:804498f871bc | 103 | #define FUEL_RATE 0x5E // |
okini3939 | 0:804498f871bc | 104 | #define EMISSIONS_STANDARD 0x5F /// |
okini3939 | 0:804498f871bc | 105 | #define DEMANDED_TORQUE 0x61 /// |
okini3939 | 0:804498f871bc | 106 | #define ACTUAL_TORQUE 0x62 /// |
okini3939 | 0:804498f871bc | 107 | #define REFERENCE_TORQUE 0x63 // |
okini3939 | 0:804498f871bc | 108 | #define ENGINE_PCT_TORQUE 0x64 /// |
okini3939 | 0:804498f871bc | 109 | #define AUX_IO_SUPPORTED 0x65 /// |
okini3939 | 0:804498f871bc | 110 | #define P_MAF_SENSOR 0x66 /// |
okini3939 | 0:804498f871bc | 111 | #define P_ENGINE_COOLANT_T 0x67 /// |
okini3939 | 0:804498f871bc | 112 | #define P_INTAKE_TEMP 0x68 /// |
okini3939 | 0:804498f871bc | 113 | #define P_COMMANDED_EGR 0x69 /// |
okini3939 | 0:804498f871bc | 114 | #define P_COMMANDED_INTAKE 0x6A /// |
okini3939 | 0:804498f871bc | 115 | #define P_EGR_TEMP 0x6B /// |
okini3939 | 0:804498f871bc | 116 | #define P_COMMANDED_THROT 0x6C /// |
okini3939 | 0:804498f871bc | 117 | #define P_FUEL_PRESSURE 0x6D /// |
okini3939 | 0:804498f871bc | 118 | #define P_FUEL_INJ_PRES 0x6E /// |
okini3939 | 0:804498f871bc | 119 | #define P_TURBO_PRESSURE 0x6F /// |
okini3939 | 0:804498f871bc | 120 | #define P_BOOST_PRES_CONT 0x70 /// |
okini3939 | 0:804498f871bc | 121 | #define P_VGT_CONTROL 0x71 /// |
okini3939 | 0:804498f871bc | 122 | #define P_WASTEGATE_CONT 0x72 /// |
okini3939 | 0:804498f871bc | 123 | #define P_EXHAUST_PRESSURE 0x73 /// |
okini3939 | 0:804498f871bc | 124 | #define P_TURBO_RPM 0x74 /// |
okini3939 | 0:804498f871bc | 125 | #define P_TURBO_TEMP1 0x75 /// |
okini3939 | 0:804498f871bc | 126 | #define P_TURBO_TEMP2 0x76 /// |
okini3939 | 0:804498f871bc | 127 | #define P_CACT 0x77 /// |
okini3939 | 0:804498f871bc | 128 | #define P_EGT_B1 0x78 /// |
okini3939 | 0:804498f871bc | 129 | #define P_EGT_B2 0x79 /// |
okini3939 | 0:804498f871bc | 130 | #define P_DPF1 0x7A /// |
okini3939 | 0:804498f871bc | 131 | #define P_DPF2 0x7B /// |
okini3939 | 0:804498f871bc | 132 | #define P_DPF_TEMP 0x7C /// |
okini3939 | 0:804498f871bc | 133 | #define P_NOX_NTE_STATUS 0x7D /// |
okini3939 | 0:804498f871bc | 134 | #define P_PM_NTE_STATUS 0x7E /// |
okini3939 | 0:804498f871bc | 135 | #define P_ENGINE_RUNTUME 0x7F /// |
okini3939 | 0:804498f871bc | 136 | #define P_ENGINE_AECD_1 0x81 /// |
okini3939 | 0:804498f871bc | 137 | #define P_ENGINE_AECD_2 0x82 /// |
okini3939 | 0:804498f871bc | 138 | #define P_NOX_SENSOR 0x83 /// |
okini3939 | 0:804498f871bc | 139 | #define P_MANIFOLD_TEMP 0x84 /// |
okini3939 | 0:804498f871bc | 140 | #define P_NOX_SYSTEM 0x85 /// |
okini3939 | 0:804498f871bc | 141 | #define P_PM_SENSOR 0x86 /// |
okini3939 | 0:804498f871bc | 142 | #define P_IN_MANIF_TEMP 0x87 /// |
okini3939 | 0:804498f871bc | 143 | |
okini3939 | 0:804498f871bc | 144 | |
okini3939 | 0:804498f871bc | 145 | class OBD2 { |
okini3939 | 0:804498f871bc | 146 | public: |
okini3939 | 0:804498f871bc | 147 | OBD2 (PinName rd, PinName td, int speed = 500000); |
okini3939 | 0:804498f871bc | 148 | int request (int pid); |
okini3939 | 0:804498f871bc | 149 | float read (); |
okini3939 | 0:804498f871bc | 150 | |
okini3939 | 0:804498f871bc | 151 | private: |
okini3939 | 0:804498f871bc | 152 | CAN _can; |
okini3939 | 0:804498f871bc | 153 | int _pid; |
okini3939 | 0:804498f871bc | 154 | uint8_t _data[5]; |
okini3939 | 0:804498f871bc | 155 | volatile int _received; |
okini3939 | 0:804498f871bc | 156 | |
okini3939 | 0:804498f871bc | 157 | void isrRecv (); |
okini3939 | 0:804498f871bc | 158 | }; |