ardupilot/libraries/AP_HAL_ChibiOS/AP_HAL_ChibiOS_Namespace.h

#pragma once

namespace ChibiOS {
    class AnalogIn;
    class AnalogSource;
    class DigitalSource;
    class GPIO;
    class I2CDevice;
    class I2CDeviceManager;
    class OpticalFlow;
    class PrivateMember;
    class RCInput;
    class RCOutput;
    class Scheduler;
    class Semaphore;
    class SPIDevice;
    class SPIDeviceDriver;
    class SPIDeviceManager;
    class Storage;
    class UARTDriver;
    class Util;
    class Shared_DMA;
}