Suga koubou / OBD2

OBD II library

Dependents:   Car_test

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?

UserRevisionLine numberNew 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 };