arduino-esp32/libraries/BLE/src/BLEAddress.cpp
Bascy 44aaf13225
Added BLEAddress operator overload methods (#4839)
Allows BLEAddress to be used as key in std::map etc
2021-02-22 19:37:07 +02:00

118 lines
2.9 KiB
C++

/*
* BLEAddress.cpp
*
* Created on: Jul 2, 2017
* Author: kolban
*/
#include "sdkconfig.h"
#if defined(CONFIG_BT_ENABLED)
#include "BLEAddress.h"
#include <string>
#include <sstream>
#include <iomanip>
#include <string.h>
#include <stdio.h>
#include <malloc.h>
#ifdef ARDUINO_ARCH_ESP32
#include "esp32-hal-log.h"
#endif
/**
* @brief Create an address from the native ESP32 representation.
* @param [in] address The native representation.
*/
BLEAddress::BLEAddress(esp_bd_addr_t address) {
memcpy(m_address, address, ESP_BD_ADDR_LEN);
} // BLEAddress
/**
* @brief Create an address from a hex string
*
* A hex string is of the format:
* ```
* 00:00:00:00:00:00
* ```
* which is 17 characters in length.
*
* @param [in] stringAddress The hex representation of the address.
*/
BLEAddress::BLEAddress(std::string stringAddress) {
if (stringAddress.length() != 17) return;
int data[6];
sscanf(stringAddress.c_str(), "%x:%x:%x:%x:%x:%x", &data[0], &data[1], &data[2], &data[3], &data[4], &data[5]);
m_address[0] = (uint8_t) data[0];
m_address[1] = (uint8_t) data[1];
m_address[2] = (uint8_t) data[2];
m_address[3] = (uint8_t) data[3];
m_address[4] = (uint8_t) data[4];
m_address[5] = (uint8_t) data[5];
} // BLEAddress
/**
* @brief Determine if this address equals another.
* @param [in] otherAddress The other address to compare against.
* @return True if the addresses are equal.
*/
bool BLEAddress::equals(BLEAddress otherAddress) {
return memcmp(otherAddress.getNative(), m_address, ESP_BD_ADDR_LEN) == 0;
} // equals
bool BLEAddress::operator==(const BLEAddress& otherAddress) const {
return memcmp(otherAddress.m_address, m_address, ESP_BD_ADDR_LEN) == 0;
}
bool BLEAddress::operator!=(const BLEAddress& otherAddress) const {
return !(*this == otherAddress);
}
bool BLEAddress::operator<(const BLEAddress& otherAddress) const {
return memcmp(otherAddress.m_address, m_address, ESP_BD_ADDR_LEN) < 0;
}
bool BLEAddress::operator<=(const BLEAddress& otherAddress) const {
return !(*this > otherAddress);
}
bool BLEAddress::operator>=(const BLEAddress& otherAddress) const {
return !(*this < otherAddress);
}
bool BLEAddress::operator>(const BLEAddress& otherAddress) const {
return memcmp(otherAddress.m_address, m_address, ESP_BD_ADDR_LEN) > 0;
}
/**
* @brief Return the native representation of the address.
* @return The native representation of the address.
*/
esp_bd_addr_t *BLEAddress::getNative() {
return &m_address;
} // getNative
/**
* @brief Convert a BLE address to a string.
*
* A string representation of an address is in the format:
*
* ```
* xx:xx:xx:xx:xx:xx
* ```
*
* @return The string representation of the address.
*/
std::string BLEAddress::toString() {
auto size = 18;
char *res = (char*)malloc(size);
snprintf(res, size, "%02x:%02x:%02x:%02x:%02x:%02x", m_address[0], m_address[1], m_address[2], m_address[3], m_address[4], m_address[5]);
std::string ret(res);
free(res);
return ret;
} // toString
#endif