// Auto-generated. Do not edit.



    //% indexerGet=BufferMethods::getByte indexerSet=BufferMethods::setByte
declare interface Buffer {
    /**
     * Write a number in specified format in the buffer.
     */
    //% shim=BufferMethods::setNumber
    setNumber(format: NumberFormat, offset: int32, value: number): void;

    /**
     * Read a number in specified format from the buffer.
     */
    //% shim=BufferMethods::getNumber
    getNumber(format: NumberFormat, offset: int32): number;

    /** Returns the length of a Buffer object. */
    //% property shim=BufferMethods::length
    length: int32;

    /**
     * Fill (a fragment) of the buffer with given value.
     */
    //% offset.defl=0 length.defl=-1 shim=BufferMethods::fill
    fill(value: int32, offset?: int32, length?: int32): void;

    /**
     * Return a copy of a fragment of a buffer.
     */
    //% offset.defl=0 length.defl=-1 shim=BufferMethods::slice
    slice(offset?: int32, length?: int32): Buffer;

    /**
     * Shift buffer left in place, with zero padding.
     * @param offset number of bytes to shift; use negative value to shift right
     * @param start start offset in buffer. Default is 0.
     * @param length number of elements in buffer. If negative, length is set as the buffer length minus
     * start. eg: -1
     */
    //% start.defl=0 length.defl=-1 shim=BufferMethods::shift
    shift(offset: int32, start?: int32, length?: int32): void;

    /**
     * Convert a buffer to its hexadecimal representation.
     */
    //% shim=BufferMethods::toHex
    toHex(): string;

    /**
     * Rotate buffer left in place.
     * @param offset number of bytes to shift; use negative value to shift right
     * @param start start offset in buffer. Default is 0.
     * @param length number of elements in buffer. If negative, length is set as the buffer length minus
     * start. eg: -1
     */
    //% start.defl=0 length.defl=-1 shim=BufferMethods::rotate
    rotate(offset: int32, start?: int32, length?: int32): void;

    /**
     * Write contents of `src` at `dstOffset` in current buffer.
     */
    //% shim=BufferMethods::write
    write(dstOffset: int32, src: Buffer): void;
}
declare namespace loops {

    /**
     * Repeats the code forever in the background. On each iteration, allows other codes to run.
     * @param body code to execute
     */
    //% help=loops/forever weight=100
    //% blockId=forever block="forever" blockAllowMultiple=1 shim=loops::forever
    function forever(a: () => void): void;

    /**
     * Pause for the specified time in milliseconds
     * @param ms how long to pause for, eg: 100, 200, 500, 1000, 2000
     */
    //% help=loops/pause weight=99
    //% async block="pause %ms=timePicker|ms"
    //% blockId=device_pause shim=loops::pause
    function pause(ms: int32): void;
}
declare namespace control {

    /**
     * Gets the number of milliseconds elapsed since power on.
     */
    //% help=control/millis weight=50
    //% blockId=control_running_time block="millis (ms)" shim=control::millis
    function millis(): int32;

    /**
     * Run code when a registered event happens.
     * @param id the event compoent id
     * @param value the event value to match
     */
    //% weight=20 blockGap=8 blockId="control_on_event" block="on event|from %src|with value %value"
    //% blockExternalInputs=1
    //% help="control/on-event" shim=control::onEvent
    function onEvent(src: int32, value: int32, handler: () => void): void;

    /**
     * Reset the device.
     */
    //% weight=30 async help=control/reset blockGap=8
    //% blockId="control_reset" block="reset" shim=control::reset
    function reset(): void;

    /**
     * Block the current fiber for the given microseconds
     * @param micros number of micro-seconds to wait. eg: 4
     */
    //% help=control/wait-micros weight=29 async
    //% blockId="control_wait_us" block="wait (µs)%micros" shim=control::waitMicros
    function waitMicros(micros: int32): void;

    /**
     * Run other code in the background.
     */
    //% help=control/run-in-background blockAllowMultiple=1
    //% blockId="control_run_in_background" block="run in background" blockGap=8 shim=control::runInBackground
    function runInBackground(a: () => void): void;

    /**
     * Blocks the calling thread until the specified event is raised.
     */
    //% help=control/wait-for-event async
    //% blockId=control_wait_for_event block="wait for event|from %src|with value %value" shim=control::waitForEvent
    function waitForEvent(src: int32, value: int32): void;

    /**
     * Derive a unique, consistent serial number of this device from internal data.
     */
    //% blockId="control_device_serial_number" block="device serial number" weight=9
    //% help=control/device-serial-number shim=control::deviceSerialNumber
    function deviceSerialNumber(): int32;
}
declare namespace serial {

    /**
     * Write some text to the serial port.
     */
    //% help=serial/write-string
    //% weight=87
    //% blockId=serial_writestring block="serial|write string %text" shim=serial::writeString
    function writeString(text: string): void;

    /**
     * Send a buffer across the serial connection.
     */
    //% help=serial/write-buffer weight=6
    //% blockId=serial_writebuffer block="serial|write buffer %buffer" shim=serial::writeBuffer
    function writeBuffer(buffer: Buffer): void;
}

// Auto-generated. Do not edit. Really.