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pelgraine
80 lines
2.4 KiB
C++
80 lines
2.4 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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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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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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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 |