/*********************************************************************
 *
 *  $Id: yocto_serialport.ts 72057 2026-02-17 09:44:53Z mvuilleu $
 *
 *  Implements the high-level API for SnoopingRecord functions
 *
 *  - - - - - - - - - License information: - - - - - - - - -
 *
 *  Copyright (C) 2011 and beyond by Yoctopuce Sarl, Switzerland.
 *
 *  Yoctopuce Sarl (hereafter Licensor) grants to you a perpetual
 *  non-exclusive license to use, modify, copy and integrate this
 *  file into your software for the sole purpose of interfacing
 *  with Yoctopuce products.
 *
 *  You may reproduce and distribute copies of this file in
 *  source or object form, as long as the sole purpose of this
 *  code is to interface with Yoctopuce products. You must retain
 *  this notice in the distributed source file.
 *
 *  You should refer to Yoctopuce General Terms and Conditions
 *  for additional information regarding your rights and
 *  obligations.
 *
 *  THE SOFTWARE AND DOCUMENTATION ARE PROVIDED 'AS IS' WITHOUT
 *  WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
 *  WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, FITNESS
 *  FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO
 *  EVENT SHALL LICENSOR BE LIABLE FOR ANY INCIDENTAL, SPECIAL,
 *  INDIRECT OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA,
 *  COST OF PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY OR
 *  SERVICES, ANY CLAIMS BY THIRD PARTIES (INCLUDING BUT NOT
 *  LIMITED TO ANY DEFENSE THEREOF), ANY CLAIMS FOR INDEMNITY OR
 *  CONTRIBUTION, OR OTHER SIMILAR COSTS, WHETHER ASSERTED ON THE
 *  BASIS OF CONTRACT, TORT (INCLUDING NEGLIGENCE), BREACH OF
 *  WARRANTY, OR OTHERWISE.
 *
 *********************************************************************/
import { YAPIContext, YFunction } from './yocto_api.js';
/**
 * YSnoopingRecord Class: Intercepted serial message description, returned by serialPort.snoopMessages method
 *
 *
 */
export declare class YSnoopingRecord {
    _tim: number;
    _pos: number;
    _dir: number;
    _msg: string;
    constructor(str_json: string);
    /**
     * Returns the elapsed time, in ms, since the beginning of the preceding message.
     *
     * @return the elapsed time, in ms, since the beginning of the preceding message.
     */
    get_time(): number;
    /**
     * Returns the absolute position of the message end.
     *
     * @return the absolute position of the message end.
     */
    get_pos(): number;
    /**
     * Returns the message direction (RX=0, TX=1).
     *
     * @return the message direction (RX=0, TX=1).
     */
    get_direction(): number;
    /**
     * Returns the message content.
     *
     * @return the message content.
     */
    get_message(): string;
}
export declare namespace YSnoopingRecord {
}
/**
 * YSerialPort Class: serial port control interface, available for instance in the Yocto-RS232, the
 * Yocto-RS485-V2 or the Yocto-Serial
 *
 * The YSerialPort class allows you to fully drive a Yoctopuce serial port.
 * It can be used to send and receive data, and to configure communication
 * parameters (baud rate, bit count, parity, flow control and protocol).
 * Note that Yoctopuce serial ports are not exposed as virtual COM ports.
 * They are meant to be used in the same way as all Yoctopuce devices.
 */
/** @extends {YFunction} **/
export declare class YSerialPort extends YFunction {
    _className: string;
    _rxCount: number;
    _txCount: number;
    _errCount: number;
    _rxMsgCount: number;
    _txMsgCount: number;
    _lastMsg: string;
    _currentJob: string;
    _startupJob: string;
    _jobMaxTask: number;
    _jobMaxSize: number;
    _command: string;
    _protocol: string;
    _voltageLevel: YSerialPort.VOLTAGELEVEL;
    _serialMode: string;
    _valueCallbackSerialPort: YSerialPort.ValueCallback | null;
    _rxptr: number;
    _rxbuff: Uint8Array;
    _rxbuffptr: number;
    _eventPos: number;
    _eventCallback: YSerialPort.SnoopingCallback | null;
    readonly RXCOUNT_INVALID: number;
    readonly TXCOUNT_INVALID: number;
    readonly ERRCOUNT_INVALID: number;
    readonly RXMSGCOUNT_INVALID: number;
    readonly TXMSGCOUNT_INVALID: number;
    readonly LASTMSG_INVALID: string;
    readonly CURRENTJOB_INVALID: string;
    readonly STARTUPJOB_INVALID: string;
    readonly JOBMAXTASK_INVALID: number;
    readonly JOBMAXSIZE_INVALID: number;
    readonly COMMAND_INVALID: string;
    readonly PROTOCOL_INVALID: string;
    readonly VOLTAGELEVEL_OFF: YSerialPort.VOLTAGELEVEL;
    readonly VOLTAGELEVEL_TTL3V: YSerialPort.VOLTAGELEVEL;
    readonly VOLTAGELEVEL_TTL3VR: YSerialPort.VOLTAGELEVEL;
    readonly VOLTAGELEVEL_TTL5V: YSerialPort.VOLTAGELEVEL;
    readonly VOLTAGELEVEL_TTL5VR: YSerialPort.VOLTAGELEVEL;
    readonly VOLTAGELEVEL_RS232: YSerialPort.VOLTAGELEVEL;
    readonly VOLTAGELEVEL_RS485: YSerialPort.VOLTAGELEVEL;
    readonly VOLTAGELEVEL_TTL1V8: YSerialPort.VOLTAGELEVEL;
    readonly VOLTAGELEVEL_SDI12: YSerialPort.VOLTAGELEVEL;
    readonly VOLTAGELEVEL_INVALID: YSerialPort.VOLTAGELEVEL;
    readonly SERIALMODE_INVALID: string;
    static readonly RXCOUNT_INVALID: number;
    static readonly TXCOUNT_INVALID: number;
    static readonly ERRCOUNT_INVALID: number;
    static readonly RXMSGCOUNT_INVALID: number;
    static readonly TXMSGCOUNT_INVALID: number;
    static readonly LASTMSG_INVALID: string;
    static readonly CURRENTJOB_INVALID: string;
    static readonly STARTUPJOB_INVALID: string;
    static readonly JOBMAXTASK_INVALID: number;
    static readonly JOBMAXSIZE_INVALID: number;
    static readonly COMMAND_INVALID: string;
    static readonly PROTOCOL_INVALID: string;
    static readonly VOLTAGELEVEL_OFF: YSerialPort.VOLTAGELEVEL;
    static readonly VOLTAGELEVEL_TTL3V: YSerialPort.VOLTAGELEVEL;
    static readonly VOLTAGELEVEL_TTL3VR: YSerialPort.VOLTAGELEVEL;
    static readonly VOLTAGELEVEL_TTL5V: YSerialPort.VOLTAGELEVEL;
    static readonly VOLTAGELEVEL_TTL5VR: YSerialPort.VOLTAGELEVEL;
    static readonly VOLTAGELEVEL_RS232: YSerialPort.VOLTAGELEVEL;
    static readonly VOLTAGELEVEL_RS485: YSerialPort.VOLTAGELEVEL;
    static readonly VOLTAGELEVEL_TTL1V8: YSerialPort.VOLTAGELEVEL;
    static readonly VOLTAGELEVEL_SDI12: YSerialPort.VOLTAGELEVEL;
    static readonly VOLTAGELEVEL_INVALID: YSerialPort.VOLTAGELEVEL;
    static readonly SERIALMODE_INVALID: string;
    constructor(yapi: YAPIContext, func: string);
    imm_parseAttr(name: string, val: any): number;
    _internalEventCallback(YSerialPort_obj: YSerialPort, str_value: string): Promise<void>;
    /**
     * Returns the total number of bytes received since last reset.
     *
     * @return an integer corresponding to the total number of bytes received since last reset
     *
     * On failure, throws an exception or returns YSerialPort.RXCOUNT_INVALID.
     */
    get_rxCount(): Promise<number>;
    /**
     * Returns the total number of bytes transmitted since last reset.
     *
     * @return an integer corresponding to the total number of bytes transmitted since last reset
     *
     * On failure, throws an exception or returns YSerialPort.TXCOUNT_INVALID.
     */
    get_txCount(): Promise<number>;
    /**
     * Returns the total number of communication errors detected since last reset.
     *
     * @return an integer corresponding to the total number of communication errors detected since last reset
     *
     * On failure, throws an exception or returns YSerialPort.ERRCOUNT_INVALID.
     */
    get_errCount(): Promise<number>;
    /**
     * Returns the total number of messages received since last reset.
     *
     * @return an integer corresponding to the total number of messages received since last reset
     *
     * On failure, throws an exception or returns YSerialPort.RXMSGCOUNT_INVALID.
     */
    get_rxMsgCount(): Promise<number>;
    /**
     * Returns the total number of messages send since last reset.
     *
     * @return an integer corresponding to the total number of messages send since last reset
     *
     * On failure, throws an exception or returns YSerialPort.TXMSGCOUNT_INVALID.
     */
    get_txMsgCount(): Promise<number>;
    /**
     * Returns the latest message fully received (for Line, Frame and Modbus protocols).
     *
     * @return a string corresponding to the latest message fully received (for Line, Frame and Modbus protocols)
     *
     * On failure, throws an exception or returns YSerialPort.LASTMSG_INVALID.
     */
    get_lastMsg(): Promise<string>;
    /**
     * Returns the name of the job file currently in use.
     *
     * @return a string corresponding to the name of the job file currently in use
     *
     * On failure, throws an exception or returns YSerialPort.CURRENTJOB_INVALID.
     */
    get_currentJob(): Promise<string>;
    /**
     * Selects a job file to run immediately. If an empty string is
     * given as argument, stops running current job file.
     *
     * @param newval : a string
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    set_currentJob(newval: string): Promise<number>;
    /**
     * Returns the job file to use when the device is powered on.
     *
     * @return a string corresponding to the job file to use when the device is powered on
     *
     * On failure, throws an exception or returns YSerialPort.STARTUPJOB_INVALID.
     */
    get_startupJob(): Promise<string>;
    /**
     * Changes the job to use when the device is powered on.
     * Remember to call the saveToFlash() method of the module if the
     * modification must be kept.
     *
     * @param newval : a string corresponding to the job to use when the device is powered on
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    set_startupJob(newval: string): Promise<number>;
    /**
     * Returns the maximum number of tasks in a job that the device can handle.
     *
     * @return an integer corresponding to the maximum number of tasks in a job that the device can handle
     *
     * On failure, throws an exception or returns YSerialPort.JOBMAXTASK_INVALID.
     */
    get_jobMaxTask(): Promise<number>;
    /**
     * Returns maximum size allowed for job files.
     *
     * @return an integer corresponding to maximum size allowed for job files
     *
     * On failure, throws an exception or returns YSerialPort.JOBMAXSIZE_INVALID.
     */
    get_jobMaxSize(): Promise<number>;
    get_command(): Promise<string>;
    set_command(newval: string): Promise<number>;
    /**
     * Returns the type of protocol used over the serial line, as a string.
     * Possible values are "Line" for ASCII messages separated by CR and/or LF,
     * "StxEtx" for ASCII messages delimited by STX/ETX codes,
     * "Frame:[timeout]ms" for binary messages separated by a delay time,
     * "Modbus-ASCII" for MODBUS messages in ASCII mode,
     * "Modbus-RTU" for MODBUS messages in RTU mode,
     * "Wiegand-ASCII" for Wiegand messages in ASCII mode,
     * "Wiegand-26","Wiegand-34", etc for Wiegand messages in byte mode,
     * "Char" for a continuous ASCII stream or
     * "Byte" for a continuous binary stream.
     *
     * @return a string corresponding to the type of protocol used over the serial line, as a string
     *
     * On failure, throws an exception or returns YSerialPort.PROTOCOL_INVALID.
     */
    get_protocol(): Promise<string>;
    /**
     * Changes the type of protocol used over the serial line.
     * Possible values are "Line" for ASCII messages separated by CR and/or LF,
     * "StxEtx" for ASCII messages delimited by STX/ETX codes,
     * "Frame:[timeout]ms" for binary messages separated by a delay time,
     * "Modbus-ASCII" for MODBUS messages in ASCII mode,
     * "Modbus-RTU" for MODBUS messages in RTU mode,
     * "Wiegand-ASCII" for Wiegand messages in ASCII mode,
     * "Wiegand-26","Wiegand-34", etc for Wiegand messages in byte mode,
     * "Char" for a continuous ASCII stream or
     * "Byte" for a continuous binary stream.
     * The suffix "/[wait]ms" can be added to reduce the transmit rate so that there
     * is always at lest the specified number of milliseconds between each bytes sent.
     * Remember to call the saveToFlash() method of the module if the
     * modification must be kept.
     *
     * @param newval : a string corresponding to the type of protocol used over the serial line
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    set_protocol(newval: string): Promise<number>;
    /**
     * Returns the voltage level used on the serial line.
     *
     * @return a value among YSerialPort.VOLTAGELEVEL_OFF, YSerialPort.VOLTAGELEVEL_TTL3V,
     * YSerialPort.VOLTAGELEVEL_TTL3VR, YSerialPort.VOLTAGELEVEL_TTL5V, YSerialPort.VOLTAGELEVEL_TTL5VR,
     * YSerialPort.VOLTAGELEVEL_RS232, YSerialPort.VOLTAGELEVEL_RS485, YSerialPort.VOLTAGELEVEL_TTL1V8 and
     * YSerialPort.VOLTAGELEVEL_SDI12 corresponding to the voltage level used on the serial line
     *
     * On failure, throws an exception or returns YSerialPort.VOLTAGELEVEL_INVALID.
     */
    get_voltageLevel(): Promise<YSerialPort.VOLTAGELEVEL>;
    /**
     * Changes the voltage type used on the serial line. Valid
     * values  will depend on the Yoctopuce device model featuring
     * the serial port feature.  Check your device documentation
     * to find out which values are valid for that specific model.
     * Trying to set an invalid value will have no effect.
     * Remember to call the saveToFlash() method of the module if the
     * modification must be kept.
     *
     * @param newval : a value among YSerialPort.VOLTAGELEVEL_OFF, YSerialPort.VOLTAGELEVEL_TTL3V,
     * YSerialPort.VOLTAGELEVEL_TTL3VR, YSerialPort.VOLTAGELEVEL_TTL5V, YSerialPort.VOLTAGELEVEL_TTL5VR,
     * YSerialPort.VOLTAGELEVEL_RS232, YSerialPort.VOLTAGELEVEL_RS485, YSerialPort.VOLTAGELEVEL_TTL1V8 and
     * YSerialPort.VOLTAGELEVEL_SDI12 corresponding to the voltage type used on the serial line
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    set_voltageLevel(newval: YSerialPort.VOLTAGELEVEL): Promise<number>;
    /**
     * Returns the serial port communication parameters, as a string such as
     * "9600,8N1". The string includes the baud rate, the number of data bits,
     * the parity, and the number of stop bits. An optional suffix is included
     * if flow control is active: "CtsRts" for hardware handshake, "XOnXOff"
     * for logical flow control and "Simplex" for acquiring a shared bus using
     * the RTS line (as used by some RS485 adapters for instance).
     *
     * @return a string corresponding to the serial port communication parameters, as a string such as
     *         "9600,8N1"
     *
     * On failure, throws an exception or returns YSerialPort.SERIALMODE_INVALID.
     */
    get_serialMode(): Promise<string>;
    /**
     * Changes the serial port communication parameters, with a string such as
     * "9600,8N1". The string includes the baud rate, the number of data bits,
     * the parity, and the number of stop bits. An optional suffix can be added
     * to enable flow control: "CtsRts" for hardware handshake, "XOnXOff"
     * for logical flow control and "Simplex" for acquiring a shared bus using
     * the RTS line (as used by some RS485 adapters for instance).
     * Remember to call the saveToFlash() method of the module if the
     * modification must be kept.
     *
     * @param newval : a string corresponding to the serial port communication parameters, with a string such as
     *         "9600,8N1"
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    set_serialMode(newval: string): Promise<number>;
    /**
     * Retrieves a serial port for a given identifier.
     * The identifier can be specified using several formats:
     *
     * - FunctionLogicalName
     * - ModuleSerialNumber.FunctionIdentifier
     * - ModuleSerialNumber.FunctionLogicalName
     * - ModuleLogicalName.FunctionIdentifier
     * - ModuleLogicalName.FunctionLogicalName
     *
     *
     * This function does not require that the serial port is online at the time
     * it is invoked. The returned object is nevertheless valid.
     * Use the method YSerialPort.isOnline() to test if the serial port is
     * indeed online at a given time. In case of ambiguity when looking for
     * a serial port by logical name, no error is notified: the first instance
     * found is returned. The search is performed first by hardware name,
     * then by logical name.
     *
     * If a call to this object's is_online() method returns FALSE although
     * you are certain that the matching device is plugged, make sure that you did
     * call registerHub() at application initialization time.
     *
     * @param func : a string that uniquely characterizes the serial port, for instance
     *         RS232MK1.serialPort.
     *
     * @return a YSerialPort object allowing you to drive the serial port.
     */
    static FindSerialPort(func: string): YSerialPort;
    /**
     * Retrieves a serial port for a given identifier in a YAPI context.
     * The identifier can be specified using several formats:
     *
     * - FunctionLogicalName
     * - ModuleSerialNumber.FunctionIdentifier
     * - ModuleSerialNumber.FunctionLogicalName
     * - ModuleLogicalName.FunctionIdentifier
     * - ModuleLogicalName.FunctionLogicalName
     *
     *
     * This function does not require that the serial port is online at the time
     * it is invoked. The returned object is nevertheless valid.
     * Use the method YSerialPort.isOnline() to test if the serial port is
     * indeed online at a given time. In case of ambiguity when looking for
     * a serial port by logical name, no error is notified: the first instance
     * found is returned. The search is performed first by hardware name,
     * then by logical name.
     *
     * @param yctx : a YAPI context
     * @param func : a string that uniquely characterizes the serial port, for instance
     *         RS232MK1.serialPort.
     *
     * @return a YSerialPort object allowing you to drive the serial port.
     */
    static FindSerialPortInContext(yctx: YAPIContext, func: string): YSerialPort;
    /**
     * Registers the callback function that is invoked on every change of advertised value.
     * The callback is then invoked only during the execution of ySleep or yHandleEvents.
     * This provides control over the time when the callback is triggered. For good responsiveness,
     * remember to call one of these two functions periodically. The callback is called once juste after beeing
     * registered, passing the current advertised value  of the function, provided that it is not an empty string.
     * To unregister a callback, pass a null pointer as argument.
     *
     * @param callback : the callback function to call, or a null pointer. The callback function should take two
     *         arguments: the function object of which the value has changed, and the character string describing
     *         the new advertised value.
     * @noreturn
     */
    registerValueCallback(callback: YSerialPort.ValueCallback | null): Promise<number>;
    _invokeValueCallback(value: string): Promise<number>;
    sendCommand(text: string): Promise<number>;
    /**
     * Reads a single line (or message) from the receive buffer, starting at current stream position.
     * This function is intended to be used when the serial port is configured for a message protocol,
     * such as 'Line' mode or frame protocols.
     *
     * If data at current stream position is not available anymore in the receive buffer,
     * the function returns the oldest available line and moves the stream position just after.
     * If no new full line is received, the function returns an empty line.
     *
     * @return a string with a single line of text
     *
     * On failure, throws an exception or returns a negative error code.
     */
    readLine(): Promise<string>;
    /**
     * Searches for incoming messages in the serial port receive buffer matching a given pattern,
     * starting at current position. This function will only compare and return printable characters
     * in the message strings. Binary protocols are handled as hexadecimal strings.
     *
     * The search returns all messages matching the expression provided as argument in the buffer.
     * If no matching message is found, the search waits for one up to the specified maximum timeout
     * (in milliseconds).
     *
     * @param pattern : a limited regular expression describing the expected message format,
     *         or an empty string if all messages should be returned (no filtering).
     *         When using binary protocols, the format applies to the hexadecimal
     *         representation of the message.
     * @param maxWait : the maximum number of milliseconds to wait for a message if none is found
     *         in the receive buffer.
     *
     * @return an array of strings containing the messages found, if any.
     *         Binary messages are converted to hexadecimal representation.
     *
     * On failure, throws an exception or returns an empty array.
     */
    readMessages(pattern: string, maxWait: number): Promise<string[]>;
    /**
     * Changes the current internal stream position to the specified value. This function
     * does not affect the device, it only changes the value stored in the API object
     * for the next read operations.
     *
     * @param absPos : the absolute position index for next read operations.
     *
     * @return nothing.
     */
    read_seek(absPos: number): Promise<number>;
    /**
     * Returns the current absolute stream position pointer of the API object.
     *
     * @return the absolute position index for next read operations.
     */
    read_tell(): Promise<number>;
    /**
     * Returns the number of bytes available to read in the input buffer starting from the
     * current absolute stream position pointer of the API object.
     *
     * @return the number of bytes available to read
     */
    read_avail(): Promise<number>;
    end_tell(): Promise<number>;
    /**
     * Sends a text line query to the serial port, and reads the reply, if any.
     * This function is intended to be used when the serial port is configured for 'Line' protocol.
     *
     * @param query : the line query to send (without CR/LF)
     * @param maxWait : the maximum number of milliseconds to wait for a reply.
     *
     * @return the next text line received after sending the text query, as a string.
     *         Additional lines can be obtained by calling readLine or readMessages.
     *
     * On failure, throws an exception or returns an empty string.
     */
    queryLine(query: string, maxWait: number): Promise<string>;
    /**
     * Sends a binary message to the serial port, and reads the reply, if any.
     * This function is intended to be used when the serial port is configured for
     * Frame-based protocol.
     *
     * @param hexString : the message to send, coded in hexadecimal
     * @param maxWait : the maximum number of milliseconds to wait for a reply.
     *
     * @return the next frame received after sending the message, as a hex string.
     *         Additional frames can be obtained by calling readHex or readMessages.
     *
     * On failure, throws an exception or returns an empty string.
     */
    queryHex(hexString: string, maxWait: number): Promise<string>;
    /**
     * Saves the job definition string (JSON data) into a job file.
     * The job file can be later enabled using selectJob().
     *
     * @param jobfile : name of the job file to save on the device filesystem
     * @param jsonDef : a string containing a JSON definition of the job
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    uploadJob(jobfile: string, jsonDef: string): Promise<number>;
    /**
     * Load and start processing the specified job file. The file must have
     * been previously created using the user interface or uploaded on the
     * device filesystem using the uploadJob() function.
     *
     * @param jobfile : name of the job file (on the device filesystem)
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    selectJob(jobfile: string): Promise<number>;
    /**
     * Clears the serial port buffer and resets counters to zero.
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    reset(): Promise<number>;
    /**
     * Sends a single byte to the serial port.
     *
     * @param code : the byte to send
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    writeByte(code: number): Promise<number>;
    /**
     * Sends an ASCII string to the serial port, as is.
     *
     * @param text : the text string to send
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    writeStr(text: string): Promise<number>;
    /**
     * Sends a binary buffer to the serial port, as is.
     *
     * @param buff : the binary buffer to send
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    writeBin(buff: Uint8Array): Promise<number>;
    /**
     * Sends a byte sequence (provided as a list of bytes) to the serial port.
     *
     * @param byteList : a list of byte codes
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    writeArray(byteList: number[]): Promise<number>;
    /**
     * Sends a byte sequence (provided as a hexadecimal string) to the serial port.
     *
     * @param hexString : a string of hexadecimal byte codes
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    writeHex(hexString: string): Promise<number>;
    /**
     * Sends an ASCII string to the serial port, followed by a line break (CR LF).
     *
     * @param text : the text string to send
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    writeLine(text: string): Promise<number>;
    /**
     * Reads one byte from the receive buffer, starting at current stream position.
     * If data at current stream position is not available anymore in the receive buffer,
     * or if there is no data available yet, the function returns YAPI.NO_MORE_DATA.
     *
     * @return the next byte
     *
     * On failure, throws an exception or returns a negative error code.
     */
    readByte(): Promise<number>;
    /**
     * Reads data from the receive buffer as a string, starting at current stream position.
     * If data at current stream position is not available anymore in the receive buffer, the
     * function performs a short read.
     *
     * @param nChars : the maximum number of characters to read
     *
     * @return a string with receive buffer contents
     *
     * On failure, throws an exception or returns a negative error code.
     */
    readStr(nChars: number): Promise<string>;
    /**
     * Reads data from the receive buffer as a binary buffer, starting at current stream position.
     * If data at current stream position is not available anymore in the receive buffer, the
     * function performs a short read.
     *
     * @param nChars : the maximum number of bytes to read
     *
     * @return a binary object with receive buffer contents
     *
     * On failure, throws an exception or returns a negative error code.
     */
    readBin(nChars: number): Promise<Uint8Array>;
    /**
     * Reads data from the receive buffer as a list of bytes, starting at current stream position.
     * If data at current stream position is not available anymore in the receive buffer, the
     * function performs a short read.
     *
     * @param nChars : the maximum number of bytes to read
     *
     * @return a sequence of bytes with receive buffer contents
     *
     * On failure, throws an exception or returns an empty array.
     */
    readArray(nChars: number): Promise<number[]>;
    /**
     * Reads data from the receive buffer as a hexadecimal string, starting at current stream position.
     * If data at current stream position is not available anymore in the receive buffer, the
     * function performs a short read.
     *
     * @param nBytes : the maximum number of bytes to read
     *
     * @return a string with receive buffer contents, encoded in hexadecimal
     *
     * On failure, throws an exception or returns a negative error code.
     */
    readHex(nBytes: number): Promise<string>;
    /**
     * Emits a BREAK condition on the serial interface. When the specified
     * duration is 0, the BREAK signal will be exactly one character wide.
     * When the duration is between 1 and 100, the BREAK condition will
     * be hold for the specified number of milliseconds.
     *
     * @param duration : 0 for a standard BREAK, or duration between 1 and 100 ms
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    sendBreak(duration: number): Promise<number>;
    /**
     * Manually sets the state of the RTS line. This function has no effect when
     * hardware handshake is enabled, as the RTS line is driven automatically.
     *
     * @param val : 1 to turn RTS on, 0 to turn RTS off
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    set_RTS(val: number): Promise<number>;
    /**
     * Reads the level of the CTS line. The CTS line is usually driven by
     * the RTS signal of the connected serial device.
     *
     * @return 1 if the CTS line is high, 0 if the CTS line is low.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    get_CTS(): Promise<number>;
    /**
     * Retrieves messages (both direction) in the serial port buffer, starting at current position.
     * This function will only compare and return printable characters in the message strings.
     * Binary protocols are handled as hexadecimal strings.
     *
     * If no message is found, the search waits for one up to the specified maximum timeout
     * (in milliseconds).
     *
     * @param maxWait : the maximum number of milliseconds to wait for a message if none is found
     *         in the receive buffer.
     * @param maxMsg : the maximum number of messages to be returned by the function; up to 254.
     *
     * @return an array of YSnoopingRecord objects containing the messages found, if any.
     *         Binary messages are converted to hexadecimal representation.
     *
     * On failure, throws an exception or returns an empty array.
     */
    snoopMessagesEx(maxWait: number, maxMsg: number): Promise<YSnoopingRecord[]>;
    /**
     * Retrieves messages (both direction) in the serial port buffer, starting at current position.
     * This function will only compare and return printable characters in the message strings.
     * Binary protocols are handled as hexadecimal strings.
     *
     * If no message is found, the search waits for one up to the specified maximum timeout
     * (in milliseconds).
     *
     * @param maxWait : the maximum number of milliseconds to wait for a message if none is found
     *         in the receive buffer.
     *
     * @return an array of YSnoopingRecord objects containing the messages found, if any.
     *         Binary messages are converted to hexadecimal representation.
     *
     * On failure, throws an exception or returns an empty array.
     */
    snoopMessages(maxWait: number): Promise<YSnoopingRecord[]>;
    /**
     * Registers a callback function to be called each time that a message is sent or
     * received by the serial port. The callback is invoked only during the execution of
     * ySleep or yHandleEvents. This provides control over the time when
     * the callback is triggered. For good responsiveness, remember to call one of these
     * two functions periodically. To unregister a callback, pass a null pointer as argument.
     *
     * @param callback : the callback function to call, or a null pointer.
     *         The callback function should take four arguments:
     *         the YSerialPort object that emitted the event, and
     *         the YSnoopingRecord object that describes the message
     *         sent or received.
     *         On failure, throws an exception or returns a negative error code.
     */
    registerSnoopingCallback(callback: YSerialPort.SnoopingCallback | null): Promise<number>;
    _internalEventHandler(advstr: string): Promise<number>;
    /**
     * Sends an ASCII string to the serial port, preceeded with an STX code and
     * followed by an ETX code.
     *
     * @param text : the text string to send
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    writeStxEtx(text: string): Promise<number>;
    /**
     * Sends a MODBUS message (provided as a hexadecimal string) to the serial port.
     * The message must start with the slave address. The MODBUS CRC/LRC is
     * automatically added by the function. This function does not wait for a reply.
     *
     * @param hexString : a hexadecimal message string, including device address but no CRC/LRC
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    writeMODBUS(hexString: string): Promise<number>;
    /**
     * Sends a message to a specified MODBUS slave connected to the serial port, and reads the
     * reply, if any. The message is the PDU, provided as a vector of bytes.
     *
     * @param slaveNo : the address of the slave MODBUS device to query
     * @param pduBytes : the message to send (PDU), as a vector of bytes. The first byte of the
     *         PDU is the MODBUS function code.
     *
     * @return the received reply, as a vector of bytes.
     *
     * On failure, throws an exception or returns an empty array (or a MODBUS error reply).
     */
    queryMODBUS(slaveNo: number, pduBytes: number[]): Promise<number[]>;
    /**
     * Reads one or more contiguous internal bits (or coil status) from a MODBUS serial device.
     * This method uses the MODBUS function code 0x01 (Read Coils).
     *
     * @param slaveNo : the address of the slave MODBUS device to query
     * @param pduAddr : the relative address of the first bit/coil to read (zero-based)
     * @param nBits : the number of bits/coils to read
     *
     * @return a vector of integers, each corresponding to one bit.
     *
     * On failure, throws an exception or returns an empty array.
     */
    modbusReadBits(slaveNo: number, pduAddr: number, nBits: number): Promise<number[]>;
    /**
     * Reads one or more contiguous input bits (or discrete inputs) from a MODBUS serial device.
     * This method uses the MODBUS function code 0x02 (Read Discrete Inputs).
     *
     * @param slaveNo : the address of the slave MODBUS device to query
     * @param pduAddr : the relative address of the first bit/input to read (zero-based)
     * @param nBits : the number of bits/inputs to read
     *
     * @return a vector of integers, each corresponding to one bit.
     *
     * On failure, throws an exception or returns an empty array.
     */
    modbusReadInputBits(slaveNo: number, pduAddr: number, nBits: number): Promise<number[]>;
    /**
     * Reads one or more contiguous internal registers (holding registers) from a MODBUS serial device.
     * This method uses the MODBUS function code 0x03 (Read Holding Registers).
     *
     * @param slaveNo : the address of the slave MODBUS device to query
     * @param pduAddr : the relative address of the first holding register to read (zero-based)
     * @param nWords : the number of holding registers to read
     *
     * @return a vector of integers, each corresponding to one 16-bit register value.
     *
     * On failure, throws an exception or returns an empty array.
     */
    modbusReadRegisters(slaveNo: number, pduAddr: number, nWords: number): Promise<number[]>;
    /**
     * Reads one or more contiguous input registers (read-only registers) from a MODBUS serial device.
     * This method uses the MODBUS function code 0x04 (Read Input Registers).
     *
     * @param slaveNo : the address of the slave MODBUS device to query
     * @param pduAddr : the relative address of the first input register to read (zero-based)
     * @param nWords : the number of input registers to read
     *
     * @return a vector of integers, each corresponding to one 16-bit input value.
     *
     * On failure, throws an exception or returns an empty array.
     */
    modbusReadInputRegisters(slaveNo: number, pduAddr: number, nWords: number): Promise<number[]>;
    /**
     * Sets a single internal bit (or coil) on a MODBUS serial device.
     * This method uses the MODBUS function code 0x05 (Write Single Coil).
     *
     * @param slaveNo : the address of the slave MODBUS device to drive
     * @param pduAddr : the relative address of the bit/coil to set (zero-based)
     * @param value : the value to set (0 for OFF state, non-zero for ON state)
     *
     * @return the number of bits/coils affected on the device (1)
     *
     * On failure, throws an exception or returns zero.
     */
    modbusWriteBit(slaveNo: number, pduAddr: number, value: number): Promise<number>;
    /**
     * Sets several contiguous internal bits (or coils) on a MODBUS serial device.
     * This method uses the MODBUS function code 0x0f (Write Multiple Coils).
     *
     * @param slaveNo : the address of the slave MODBUS device to drive
     * @param pduAddr : the relative address of the first bit/coil to set (zero-based)
     * @param bits : the vector of bits to be set (one integer per bit)
     *
     * @return the number of bits/coils affected on the device
     *
     * On failure, throws an exception or returns zero.
     */
    modbusWriteBits(slaveNo: number, pduAddr: number, bits: number[]): Promise<number>;
    /**
     * Sets a single internal register (or holding register) on a MODBUS serial device.
     * This method uses the MODBUS function code 0x06 (Write Single Register).
     *
     * @param slaveNo : the address of the slave MODBUS device to drive
     * @param pduAddr : the relative address of the register to set (zero-based)
     * @param value : the 16 bit value to set
     *
     * @return the number of registers affected on the device (1)
     *
     * On failure, throws an exception or returns zero.
     */
    modbusWriteRegister(slaveNo: number, pduAddr: number, value: number): Promise<number>;
    /**
     * Sets several contiguous internal registers (or holding registers) on a MODBUS serial device.
     * This method uses the MODBUS function code 0x10 (Write Multiple Registers).
     *
     * @param slaveNo : the address of the slave MODBUS device to drive
     * @param pduAddr : the relative address of the first internal register to set (zero-based)
     * @param values : the vector of 16 bit values to set
     *
     * @return the number of registers affected on the device
     *
     * On failure, throws an exception or returns zero.
     */
    modbusWriteRegisters(slaveNo: number, pduAddr: number, values: number[]): Promise<number>;
    /**
     * Sets several contiguous internal registers (holding registers) on a MODBUS serial device,
     * then performs a contiguous read of a set of (possibly different) internal registers.
     * This method uses the MODBUS function code 0x17 (Read/Write Multiple Registers).
     *
     * @param slaveNo : the address of the slave MODBUS device to drive
     * @param pduWriteAddr : the relative address of the first internal register to set (zero-based)
     * @param values : the vector of 16 bit values to set
     * @param pduReadAddr : the relative address of the first internal register to read (zero-based)
     * @param nReadWords : the number of 16 bit values to read
     *
     * @return a vector of integers, each corresponding to one 16-bit register value read.
     *
     * On failure, throws an exception or returns an empty array.
     */
    modbusWriteAndReadRegisters(slaveNo: number, pduWriteAddr: number, values: number[], pduReadAddr: number, nReadWords: number): Promise<number[]>;
    /**
     * Continues the enumeration of serial ports started using yFirstSerialPort().
     * Caution: You can't make any assumption about the returned serial ports order.
     * If you want to find a specific a serial port, use SerialPort.findSerialPort()
     * and a hardwareID or a logical name.
     *
     * @return a pointer to a YSerialPort object, corresponding to
     *         a serial port currently online, or a null pointer
     *         if there are no more serial ports to enumerate.
     */
    nextSerialPort(): YSerialPort | null;
    /**
     * Starts the enumeration of serial ports currently accessible.
     * Use the method YSerialPort.nextSerialPort() to iterate on
     * next serial ports.
     *
     * @return a pointer to a YSerialPort object, corresponding to
     *         the first serial port currently online, or a null pointer
     *         if there are none.
     */
    static FirstSerialPort(): YSerialPort | null;
    /**
     * Starts the enumeration of serial ports currently accessible.
     * Use the method YSerialPort.nextSerialPort() to iterate on
     * next serial ports.
     *
     * @param yctx : a YAPI context.
     *
     * @return a pointer to a YSerialPort object, corresponding to
     *         the first serial port currently online, or a null pointer
     *         if there are none.
     */
    static FirstSerialPortInContext(yctx: YAPIContext): YSerialPort | null;
}
export declare namespace YSerialPort {
    const enum VOLTAGELEVEL {
        OFF = 0,
        TTL3V = 1,
        TTL3VR = 2,
        TTL5V = 3,
        TTL5VR = 4,
        RS232 = 5,
        RS485 = 6,
        TTL1V8 = 7,
        SDI12 = 8,
        INVALID = -1
    }
    interface ValueCallback {
        (func: YSerialPort, value: string): void;
    }
    interface SnoopingCallback {
        (func: YSerialPort, rec: YSnoopingRecord): void;
    }
}
