mirror of https://github.com/arendst/Tasmota.git
84 lines
3.2 KiB
C++
84 lines
3.2 KiB
C++
/*
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* NimBLERemoteDescriptor.h
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*
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* Created: on Jan 27 2020
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* Author H2zero
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*
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* Originally:
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*
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* BLERemoteDescriptor.h
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*
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* Created on: Jul 8, 2017
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* Author: kolban
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*/
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#ifndef COMPONENTS_NIMBLEREMOTEDESCRIPTOR_H_
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#define COMPONENTS_NIMBLEREMOTEDESCRIPTOR_H_
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#include "nimconfig.h"
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#if defined(CONFIG_BT_ENABLED) && defined(CONFIG_BT_NIMBLE_ROLE_CENTRAL)
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#include "NimBLERemoteCharacteristic.h"
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class NimBLERemoteCharacteristic;
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/**
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* @brief A model of remote %BLE descriptor.
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*/
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class NimBLERemoteDescriptor {
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public:
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uint16_t getHandle();
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NimBLERemoteCharacteristic* getRemoteCharacteristic();
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NimBLEUUID getUUID();
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std::string readValue();
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/**
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* @brief A template to convert the remote descriptor data to <type\>.
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* @tparam T The type to convert the data to.
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* @param [in] skipSizeCheck If true it will skip checking if the data size is less than <tt>sizeof(<type\>)</tt>.
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* @return The data converted to <type\> or NULL if skipSizeCheck is false and the data is
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* less than <tt>sizeof(<type\>)</tt>.
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* @details <b>Use:</b> <tt>readValue<type>(skipSizeCheck);</tt>
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*/
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template<typename T>
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T readValue(bool skipSizeCheck = false) {
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std::string value = readValue();
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if(!skipSizeCheck && value.size() < sizeof(T)) return T();
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const char *pData = value.data();
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return *((T *)pData);
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}
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uint8_t readUInt8() __attribute__ ((deprecated("Use template readValue<uint8_t>()")));
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uint16_t readUInt16() __attribute__ ((deprecated("Use template readValue<uint16_t>()")));
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uint32_t readUInt32() __attribute__ ((deprecated("Use template readValue<uint32_t>()")));
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std::string toString(void);
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bool writeValue(const uint8_t* data, size_t length, bool response = false);
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bool writeValue(const std::string &newValue, bool response = false);
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/**
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* @brief Convenience template to set the remote descriptor value to <type\>val.
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* @param [in] s The value to write.
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* @param [in] response True == request write response.
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*/
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template<typename T>
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bool writeValue(const T &s, bool response = false) {
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return writeValue((uint8_t*)&s, sizeof(T), response);
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}
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private:
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friend class NimBLERemoteCharacteristic;
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NimBLERemoteDescriptor (NimBLERemoteCharacteristic* pRemoteCharacteristic,
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const struct ble_gatt_dsc *dsc);
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static int onWriteCB(uint16_t conn_handle, const struct ble_gatt_error *error,
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struct ble_gatt_attr *attr, void *arg);
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static int onReadCB(uint16_t conn_handle, const struct ble_gatt_error *error,
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struct ble_gatt_attr *attr, void *arg);
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uint16_t m_handle;
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NimBLEUUID m_uuid;
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NimBLERemoteCharacteristic* m_pRemoteCharacteristic;
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};
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#endif /* CONFIG_BT_ENABLED && CONFIG_BT_NIMBLE_ROLE_CENTRAL */
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#endif /* COMPONENTS_NIMBLEREMOTEDESCRIPTOR_H_ */
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