You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: ft6x06.rs
    path of file: ./repos/tock/capsules/extra/src
    
    the code of the file until where you have to start completion: // Licensed under the Apache License, Version 2.0 or the MIT License.
// SPDX-License-Identifier: Apache-2.0 OR MIT
// Copyright Tock Contributors 2022.

//! SyscallDriver for the FT6x06 Touch Panel.
//!
//! I2C Interface
//!
//! <http://www.tvielectronics.com/ocart/download/controller/FT6206.pdf>
//!
//! Usage
//! -----
//!
//! ```rust
//! let 
    
    fn fired(&self) {
        self.buffer.take().map(|buffer| {
            self.interrupt_pin.disable_interrupts();

            buffer[0] = Registers::REG_GEST_ID as u8;

            match self.i2c.write_read(buffer, 1, 15) {
                Ok(()) => {}
                Err((_err, buffer)) => {
                    self.buffer.replace(buffer);
                    self.interrupt_pin
                        .enable_interrupts(gpio::InterruptEdge::FallingEdge);
                }
            }
        });
    }