54 lines
2.1 KiB
C++
54 lines
2.1 KiB
C++
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#pragma once
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#include "link_protocol.hpp"
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#include <cstdint>
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#include <functional>
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namespace microbu::ble {
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using Receiver = std::function<void(link::Bytes)>;
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/// @brief A set of counters for tracking BLE message traffic.
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struct Counters {
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std::uint32_t rx_messages = 0;
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std::uint32_t tx_messages = 0;
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std::uint32_t tx_failed = 0;
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std::uint32_t malformed = 0;
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};
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/**
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* @brief Starts a simple, bonded BLE GATT peripheral on the NimBLE host.
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* Uses structured ETSI C-ITS Station Service & Characteristics:
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* Service: 0000C175-BA5E-4C17-8000-00805F9B34FB
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* BTP-DATA.request: 0000C176-BA5E-4C17-8000-00805F9B34FB (Write, Authenticated/Encrypted)
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* BTP-DATA.indication: 0000C177-BA5E-4C17-8000-00805F9B34FB (Notify, Authenticated/Encrypted)
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* PoTi Fix Update: 0000C178-BA5E-4C17-8000-00805F9B34FB (Write, Authenticated/Encrypted)
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* Station Status: 0000C179-BA5E-4C17-8000-00805F9B34FB (Read / Notify, Authenticated/Encrypted)
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* SF-SAP Identity: 0000C17A-BA5E-4C17-8000-00805F9B34FB (Notify, Authenticated/Encrypted)
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* Station Configure: 0000C17B-BA5E-4C17-8000-00805F9B34FB (Write, Authenticated/Encrypted)
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* Result: 0000C17C-BA5E-4C17-8000-00805F9B34FB (Notify, Authenticated/Encrypted)
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*
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* Fixed passkey bonding: 123456.
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* Single ATT message transmission/reception up to 512 bytes without fragmentation chunk delays.
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* @param receiver Invoked with each decoded station-link message written by the phone.
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* @return false if the NimBLE host or GATT service failed to start.
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*/
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bool start(Receiver receiver);
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/**
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* @brief Sends one complete station-link message via GATT notification.
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* Dispatches immediately without queuing delay.
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* @param message Encoded station-link message to notify.
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* @return false if not connected/subscribed or the notification could not be sent.
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*/
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bool write(const link::Bytes& message);
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/// @return true if a phone is connected.
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bool connected();
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/// @return true if the phone has subscribed to notifications.
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bool is_subscribed();
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/// @return Current message/error counters.
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Counters counters();
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} // namespace microbu::ble
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