obd2.h

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/*
 * @file obd2.h
 *
 * @date Jun 9, 2015
 * @author Andrey Belomutskiy, (c) 2012-2020
 */
 
#pragma once
#include "can.h"
 
#define OBD_TEST_REQUEST 0x7DF
 
#define OBD_TEST_RESPONSE 0x7E8
 
#define OBD_CURRENT_DATA 1
#define _OBD_2 2
#define OBD_STORED_DIAGNOSTIC_TROUBLE_CODES 3
#define OBD_PENDING_DIAGNOSTIC_TROUBLE_CODES 7
 
// https://en.wikipedia.org/wiki/OBD-II_PIDs
 
#define PID_SUPPORTED_PIDS_REQUEST_01_20 0x00
#define PID_MONITOR_STATUS 0x01
#define PID_FUEL_SYSTEM_STATUS 0x03
#define PID_ENGINE_LOAD 0x04
#define PID_COOLANT_TEMP 0x05
#define PID_STFT_BANK1 0x06
#define PID_STFT_BANK2 0x08
#define PID_FUEL_PRESSURE 0x0A
#define PID_INTAKE_MAP 0x0B
#define PID_RPM 0x0C
#define PID_SPEED 0x0D
#define PID_TIMING_ADVANCE 0x0E
#define PID_INTAKE_TEMP 0x0F
#define PID_INTAKE_MAF 0x10
#define PID_THROTTLE 0x11
 
#define PID_SUPPORTED_PIDS_REQUEST_21_40 0x20
#define PID_FUEL_AIR_RATIO_1 0x24
 
#define PID_SUPPORTED_PIDS_REQUEST_41_60 0x40
#define PID_CONTROL_UNIT_VOLTAGE 0x42
#define PID_ETHANOL 0x52
#define PID_OIL_TEMPERATURE 0x5C
#define PID_FUEL_RATE 0x5E
//todo#define PID_TURBO_RPM 0x74
 
#if HAS_CAN_FRAME
void obdSendPacket(int mode, int PID, int numBytes, uint32_t iValue, size_t busIndex);
void obdWriteSupportedPids(int PID, int bitOffset, const int16_t *supportedPids, size_t busIndex);
void obdOnCanPacketRx(const CANRxFrame& rx, size_t busIndex);
void handleGetDataRequest(const CANRxFrame& rx, size_t busIndex);
#endif /* HAS_CAN_FRAME */
 
#if EFI_UNIT_TEST
#include "can_msg_tx.h"
#endif
 
#define ODB_RPM_MULT 4
#define ODB_TEMP_EXTRA 40
#define ODB_TPS_BYTE_PERCENT 2.55f