bluetooth.h

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#pragma once
 
#include "ersa/common/types.h"
#include <stdint.h>
 
namespace ersa {
namespace hal {
 
using BleConnectionCallback = void (*)(bool connected, void* userData);
 
class IBluetooth {
public:
    virtual ~IBluetooth() = default;
 
    virtual Result<void> init() = 0;
    virtual void startAdvertising() = 0;
    virtual void stopAdvertising() = 0;
    // Suspend the radio stack for memory intensive maintenance such as OTA.
    // The link is dropped. Implementations without a suspendable radio may
    // keep their existing behavior and return true.
    virtual bool suspendForMaintenance() { stopAdvertising(); return true; }
    virtual void resumeAfterMaintenance() { startAdvertising(); }
    virtual bool isConnected() const = 0;
    virtual bool isAdvertising() const { return false; }
    virtual uint32_t nextWakeDelayMs(uint32_t nowMs) const { (void)nowMs; return UINT32_MAX; }
    virtual void tick() {}
    virtual const char* getDeviceName() const = 0;
    virtual const char* getDeviceAddress() const = 0;
 
    virtual void setConnectionCallback(BleConnectionCallback cb, void* userData) = 0;
};
 
} // namespace hal
} // namespace ersa