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https://github.com/MarekZegare4/MeshCore-Solo.git
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JakubandClaude Sonnet 5
12cf81b13f
At the edge of BLE range the phone repeatedly drops and reconnects, and each queued outgoing frame's write can block the main loop up to 100ms (Bluefruit's notify() waits on a free HVN packet slot). The fixed 250ms retry throttle re-triggered that blocking wait constantly during a bad link, making the device feel almost unresponsive. Retries now back off exponentially (250ms -> 2s cap) on repeated failure and reset on the next successful send. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
#pragma once
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#include "../BaseSerialInterface.h"
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#include <bluefruit.h>
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#ifndef BLE_TX_POWER
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#define BLE_TX_POWER 4
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#endif
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class SerialBLEInterface : public BaseSerialInterface {
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BLEDfu bledfu;
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BLEUart bleuart;
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bool _isEnabled;
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bool _isDeviceConnected;
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uint16_t _conn_handle;
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unsigned long _last_health_check;
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unsigned long _last_retry_attempt;
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unsigned long _retry_backoff_ms; // 0 == not yet backed off; grows on repeated failed sends
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struct Frame {
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uint8_t len;
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uint8_t buf[MAX_FRAME_SIZE];
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};
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#define FRAME_QUEUE_SIZE 12
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uint8_t send_queue_len;
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Frame send_queue[FRAME_QUEUE_SIZE];
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uint8_t recv_queue_len;
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Frame recv_queue[FRAME_QUEUE_SIZE];
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void clearBuffers();
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void shiftSendQueueLeft();
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void shiftRecvQueueLeft();
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bool isValidConnection(uint16_t handle, bool requireWaitingForSecurity = false) const;
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bool isAdvertising() const;
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static void onConnect(uint16_t connection_handle);
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static void onDisconnect(uint16_t connection_handle, uint8_t reason);
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static void onSecured(uint16_t connection_handle);
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static bool onPairingPasskey(uint16_t connection_handle, uint8_t const passkey[6], bool match_request);
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static void onPairingComplete(uint16_t connection_handle, uint8_t auth_status);
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static void onBLEEvent(ble_evt_t* evt);
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static void onBleUartRX(uint16_t conn_handle);
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public:
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SerialBLEInterface() {
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_isEnabled = false;
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_isDeviceConnected = false;
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_conn_handle = BLE_CONN_HANDLE_INVALID;
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_last_health_check = 0;
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_last_retry_attempt = 0;
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_retry_backoff_ms = 0;
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send_queue_len = 0;
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recv_queue_len = 0;
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}
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/**
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* init the BLE interface.
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* @param prefix a prefix for the device name
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* @param name IN/OUT - a name for the device (combined with prefix). If "@@MAC", is modified and returned
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* @param pin_code the BLE security pin
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*/
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void begin(const char* prefix, char* name, uint32_t pin_code);
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void disconnect();
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void enable() override;
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void disable() override;
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bool isEnabled() const override { return _isEnabled; }
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bool isConnected() const override;
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bool isWriteBusy() const override;
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size_t writeFrame(const uint8_t src[], size_t len) override;
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size_t checkRecvFrame(uint8_t dest[]) override;
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};
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#if BLE_DEBUG_LOGGING && ARDUINO
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#include <Arduino.h>
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#define BLE_DEBUG_PRINT(F, ...) Serial.printf("BLE: " F, ##__VA_ARGS__)
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#define BLE_DEBUG_PRINTLN(F, ...) Serial.printf("BLE: " F "\n", ##__VA_ARGS__)
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#else
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#define BLE_DEBUG_PRINT(...) {}
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#define BLE_DEBUG_PRINTLN(...) {}
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#endif
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