1
0
mirror of https://github.com/esphome/esphome.git synced 2025-04-07 03:10:27 +01:00
Rodrigo Martín f7f8bf4da4
[esp32_ble_server] Create custom services, characteristics and descriptors (#7009)
Co-authored-by: Clyde Stubbs <2366188+clydebarrow@users.noreply.github.com>
2025-01-28 22:00:28 +11:00

109 lines
2.8 KiB
C++

#pragma once
#include "ble_descriptor.h"
#include "esphome/components/esp32_ble/ble_uuid.h"
#include "esphome/components/event_emitter/event_emitter.h"
#include "esphome/components/bytebuffer/bytebuffer.h"
#include <vector>
#include <unordered_map>
#ifdef USE_ESP32
#include <esp_gap_ble_api.h>
#include <esp_gatt_defs.h>
#include <esp_gattc_api.h>
#include <esp_gatts_api.h>
#include <esp_bt_defs.h>
#include <freertos/FreeRTOS.h>
#include <freertos/semphr.h>
namespace esphome {
namespace esp32_ble_server {
using namespace esp32_ble;
using namespace bytebuffer;
using namespace event_emitter;
class BLEService;
namespace BLECharacteristicEvt {
enum VectorEvt {
ON_WRITE,
};
enum EmptyEvt {
ON_READ,
};
} // namespace BLECharacteristicEvt
class BLECharacteristic : public EventEmitter<BLECharacteristicEvt::VectorEvt, std::vector<uint8_t>, uint16_t>,
public EventEmitter<BLECharacteristicEvt::EmptyEvt, uint16_t> {
public:
BLECharacteristic(ESPBTUUID uuid, uint32_t properties);
~BLECharacteristic();
void set_value(ByteBuffer buffer);
void set_value(const std::vector<uint8_t> &buffer);
void set_value(const std::string &buffer);
void set_broadcast_property(bool value);
void set_indicate_property(bool value);
void set_notify_property(bool value);
void set_read_property(bool value);
void set_write_property(bool value);
void set_write_no_response_property(bool value);
void notify();
void do_create(BLEService *service);
void do_delete() { this->clients_to_notify_.clear(); }
void gatts_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param);
void add_descriptor(BLEDescriptor *descriptor);
void remove_descriptor(BLEDescriptor *descriptor);
BLEService *get_service() { return this->service_; }
ESPBTUUID get_uuid() { return this->uuid_; }
std::vector<uint8_t> &get_value() { return this->value_; }
static const uint32_t PROPERTY_READ = 1 << 0;
static const uint32_t PROPERTY_WRITE = 1 << 1;
static const uint32_t PROPERTY_NOTIFY = 1 << 2;
static const uint32_t PROPERTY_BROADCAST = 1 << 3;
static const uint32_t PROPERTY_INDICATE = 1 << 4;
static const uint32_t PROPERTY_WRITE_NR = 1 << 5;
bool is_created();
bool is_failed();
protected:
bool write_event_{false};
BLEService *service_{};
ESPBTUUID uuid_;
esp_gatt_char_prop_t properties_;
uint16_t handle_{0xFFFF};
uint16_t value_read_offset_{0};
std::vector<uint8_t> value_;
SemaphoreHandle_t set_value_lock_;
std::vector<BLEDescriptor *> descriptors_;
std::unordered_map<uint16_t, bool> clients_to_notify_;
esp_gatt_perm_t permissions_ = ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE;
enum State : uint8_t {
FAILED = 0x00,
INIT,
CREATING,
CREATING_DEPENDENTS,
CREATED,
} state_{INIT};
};
} // namespace esp32_ble_server
} // namespace esphome
#endif