Method batteryVoltage

src/ELMduino.cpp:2898–2922

float ELM327::batteryVoltage() Description: ------------ * Get the current vehicle battery voltage in Volts DC Inputs: ------- * void Return: ------- * float - vehicle battery voltage in VDC */

  * float - vehicle battery voltage in VDC
*/
float ELM327::batteryVoltage()
{
    if (nb_query_state == SEND_COMMAND)
    {
        sendCommand(READ_VOLTAGE);
        nb_query_state = WAITING_RESP;
    }
    else if (nb_query_state == WAITING_RESP)
    {
        get_response();
        if (nb_rx_state == ELM_SUCCESS)
        {
            nb_query_state = SEND_COMMAND;         // Reset the query state machine for next command
            payload[strlen(payload) - 1] = '\0';   // Remove the last char ("V") from the payload value

            if (strncmp(payload, "ATRV", 4) == 0)
                return (float)strtod(payload + 4, NULL);
            else
                return (float)strtod(payload, NULL);
        }
        else if (nb_rx_state != ELM_GETTING_MSG)
            nb_query_state = SEND_COMMAND; // Error or timeout, so reset the query state machine for next command
    }
    return 0.0;
}

/*
 int8_t ELM327::get_vin_blocking(char *vin)