gpio.hpp

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// SPDX-License-Identifier: AGPL-3.0-only
// Copyright (c) 2026 ForestHub. All rights reserved.
// For commercial licensing, visit https://github.com/ForestHubAI/fh-sdk
 
#ifndef FORESTHUB_PLATFORM_GPIO_HPP
#define FORESTHUB_PLATFORM_GPIO_HPP

 
#include <cstdint>
#include <string>
 
namespace foresthub {
namespace platform {

using PinId = uint32_t;

enum class PinMode : uint8_t {
    kInput = 0,        
    kOutput = 1,       
    kInputPullup = 2,  
};

struct PwmConfig {
    uint32_t frequency_hz = 1000;  
    uint8_t resolution_bits = 8;   
};

class GpioInterface {
public:
    virtual ~GpioInterface() = default;

    virtual void SetPinMode(PinId pin, PinMode mode) = 0;

    virtual void DigitalWrite(PinId pin, int value) = 0;

    virtual int DigitalRead(PinId pin) const = 0;

    virtual int AnalogRead(PinId pin) const = 0;

    virtual std::string ConfigurePwm(PinId pin, const PwmConfig& config) = 0;

    virtual void PwmWrite(PinId pin, int duty) = 0;
};
 
}  // namespace platform
}  // namespace foresthub
 
#endif  // FORESTHUB_PLATFORM_GPIO_HPP