d362e1ee1a
In some use cases getting rssi signal from one channel is more stable (less variance) than rssi from the three advertising channels. This change allows you to specify which channels are used to advertise.
83 lines
2.9 KiB
C++
83 lines
2.9 KiB
C++
/*
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* BLEAdvertising.h
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*
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* Created on: Jun 21, 2017
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* Author: kolban
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*/
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#ifndef COMPONENTS_CPP_UTILS_BLEADVERTISING_H_
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#define COMPONENTS_CPP_UTILS_BLEADVERTISING_H_
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#include "sdkconfig.h"
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#if defined(CONFIG_BT_ENABLED)
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#include <esp_gap_ble_api.h>
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#include "BLEUUID.h"
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#include <vector>
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#include "FreeRTOS.h"
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/**
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* @brief Advertisement data set by the programmer to be published by the %BLE server.
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*/
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class BLEAdvertisementData {
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// Only a subset of the possible BLE architected advertisement fields are currently exposed. Others will
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// be exposed on demand/request or as time permits.
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//
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public:
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void setAppearance(uint16_t appearance);
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void setCompleteServices(BLEUUID uuid);
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void setFlags(uint8_t);
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void setManufacturerData(std::string data);
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void setName(std::string name);
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void setPartialServices(BLEUUID uuid);
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void setServiceData(BLEUUID uuid, std::string data);
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void setShortName(std::string name);
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void addData(std::string data); // Add data to the payload.
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std::string getPayload(); // Retrieve the current advert payload.
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private:
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friend class BLEAdvertising;
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std::string m_payload; // The payload of the advertisement.
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}; // BLEAdvertisementData
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/**
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* @brief Perform and manage %BLE advertising.
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*
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* A %BLE server will want to perform advertising in order to make itself known to %BLE clients.
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*/
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class BLEAdvertising {
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public:
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BLEAdvertising();
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void addServiceUUID(BLEUUID serviceUUID);
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void addServiceUUID(const char* serviceUUID);
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void start();
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void stop();
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void setAppearance(uint16_t appearance);
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void setAdvertisementType(esp_ble_adv_type_t adv_type);
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void setAdvertisementChannelMap(esp_ble_adv_channel_t channel_map);
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void setMaxInterval(uint16_t maxinterval);
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void setMinInterval(uint16_t mininterval);
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void setAdvertisementData(BLEAdvertisementData& advertisementData);
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void setScanFilter(bool scanRequertWhitelistOnly, bool connectWhitelistOnly);
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void setScanResponseData(BLEAdvertisementData& advertisementData);
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void setPrivateAddress(esp_ble_addr_type_t type = BLE_ADDR_TYPE_RANDOM);
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void setDeviceAddress(esp_bd_addr_t addr, esp_ble_addr_type_t type = BLE_ADDR_TYPE_RANDOM);
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void handleGAPEvent(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t* param);
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void setMinPreferred(uint16_t);
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void setMaxPreferred(uint16_t);
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void setScanResponse(bool);
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private:
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esp_ble_adv_data_t m_advData;
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esp_ble_adv_data_t m_scanRespData; // Used for configuration of scan response data when m_scanResp is true
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esp_ble_adv_params_t m_advParams;
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std::vector<BLEUUID> m_serviceUUIDs;
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bool m_customAdvData = false; // Are we using custom advertising data?
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bool m_customScanResponseData = false; // Are we using custom scan response data?
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FreeRTOS::Semaphore m_semaphoreSetAdv = FreeRTOS::Semaphore("startAdvert");
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bool m_scanResp = true;
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};
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#endif /* CONFIG_BT_ENABLED */
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#endif /* COMPONENTS_CPP_UTILS_BLEADVERTISING_H_ */
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