Class ELM327

src/ELMduino.h:290–472

class ELM327
{
public:
    Stream* elm_port;

    bool connected = false;
    bool specifyNumResponses = true;
    bool debugMode;
    char* payload;
    uint16_t PAYLOAD_LEN;
    int8_t nb_rx_state = ELM_GETTING_MSG;
    uint64_t response = 0;
    uint16_t recBytes;
    uint8_t numPayChars;
    uint16_t timeout_ms;
    byte responseByte_0;
    byte responseByte_1;
    byte responseByte_2;
    byte responseByte_3;
    byte responseByte_4;
    byte responseByte_5;
    byte responseByte_6;
    byte responseByte_7;
    
    
    struct dtcResponse {
        uint8_t codesFound = 0;
        char    codes[DTC_MAX_CODES][DTC_CODE_LEN];
    } DTC_Response;
    
    bool begin(Stream& stream, const bool& debug = false, const uint16_t& timeout = 1000, const char& protocol = '0', const uint16_t& payloadLen = 128, const byte& dataTimeout = 0);
    ~ELM327();
    bool initializeELM(const char& protocol = '0', const byte& dataTimeout = 0);
    void flushInputBuff();
    uint64_t findResponse();
    void queryPID(const uint8_t& service, const uint16_t& pid, const uint8_t& num_responses = 1);
    void queryPID(char queryStr[]);
    double processPID(const uint8_t& service, const uint16_t& pid, const uint8_t& num_responses, const uint8_t& numExpectedBytes, const double& scaleFactor = 1, const float& bias = 0);
    void sendCommand(const char *cmd);
    int8_t sendCommand_Blocking(const char *cmd);
    int8_t get_response();
    bool timeout();
    double conditionResponse(const uint8_t& numExpectedBytes, const double& scaleFactor = 1, const double& bias = 0);
    double conditionResponse(double (*func)());
    double (*selectCalculator(uint16_t pid))();
    float  batteryVoltage(void);
    int8_t get_vin_blocking(char vin[]);
    bool   resetDTC();
    void   currentDTCCodes(const bool& isBlocking = true);
    bool   isPidSupported(uint8_t pid);
    void parseMultiLineResponse();
    
    uint32_t supportedPIDs_1_20();

    uint32_t monitorStatus();
    uint16_t freezeDTC();
    uint16_t fuelSystemStatus();
    float    engineLoad();