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Stripped version of the ESP32 BLE library, to only support server logic and reduce size

C++ 88.86% Objective-C 8.85% C 2.29%

esp32_ble_light's Issues

How to measure esp32 to beacon distance

I want rssi distance to measure the distance between Estimote beacon to ESP33.

below code will send beacon data to cloud. I want to get distance also.

please suggest.

#include <BLEDevice.h>
#include <BLEAdvertisedDevice.h>
#include <WiFi.h>
#include <PubSubClient.h>

int scanTime = 10; //In seconds
BLEScan* pBLEScan = BLEDevice::getScan();

WiFiClient espClient;
PubSubClient client(espClient);

class MyAdvertisedDeviceCallbacks: public BLEAdvertisedDeviceCallbacks {
void onResult(BLEAdvertisedDevice advertisedDevice) {
client.publish("esp32", advertisedDevice.getAddress().toString().c_str());
}
};
void setup() {
Serial.begin(115200);
WiFi.begin("hello", "hello@123");
while (WiFi.status() != WL_CONNECTED) {
delay(500);
}
client.setServer("192.168.4.116", 1883);
while (!client.connected()) {
if (client.connect("ESP32Client", "admin", "admin123" )) {
}
}
BLEDevice::init("");
}

void loop() {
// put your main code here, to run repeatedly:
if(WiFi.status() == WL_CONNECTED)
{
pBLEScan->setAdvertisedDeviceCallbacks(new MyAdvertisedDeviceCallbacks());
pBLEScan->setActiveScan(true); //active scan uses more power, but get results faster
BLEScanResults foundDevices = pBLEScan->start(scanTime);
}
delay(2000);
}

'm_securityCallbacks' is not a member of 'BLEDevice'

Hello, I try your lib but i have this issue
can you check? thanks
Stefano

C:\Users\StefanoskyW\Documents\Arduino\libraries\esp32_ble_light\src\BLEDevice.cpp: In static member function 'static void BLEDevice::gapEventHandler(esp_gap_ble_cb_event_t, esp_ble_gap_cb_param_t*)':

C:\Users\StefanoskyW\Documents\Arduino\libraries\esp32_ble_light\src\BLEDevice.cpp:123:7: error: 'm_securityCallbacks' is not a member of 'BLEDevice'

    if(BLEDevice::m_securityCallbacks!=nullptr){

       ^

C:\Users\StefanoskyW\Documents\Arduino\libraries\esp32_ble_light\src\BLEDevice.cpp:124:66: error: 'm_securityCallbacks' is not a member of 'BLEDevice'

       esp_ble_confirm_reply(param->ble_security.ble_req.bd_addr, BLEDevice::m_securityCallbacks->onConfirmPIN(param->ble_security.key_notif.passkey));

                                                                  ^

C:\Users\StefanoskyW\Documents\Arduino\libraries\esp32_ble_light\src\BLEDevice.cpp:132:7: error: 'm_securityCallbacks' is not a member of 'BLEDevice'

    if(BLEDevice::m_securityCallbacks!=nullptr){

       ^

C:\Users\StefanoskyW\Documents\Arduino\libraries\esp32_ble_light\src\BLEDevice.cpp:133:70: error: 'm_securityCallbacks' is not a member of 'BLEDevice'

     esp_ble_passkey_reply(param->ble_security.ble_req.bd_addr, true, BLEDevice::m_securityCallbacks->onPassKeyRequest());

                                                                      ^

C:\Users\StefanoskyW\Documents\Arduino\libraries\esp32_ble_light\src\BLEDevice.cpp:145:7: error: 'm_securityCallbacks' is not a member of 'BLEDevice'

    if(BLEDevice::m_securityCallbacks!=nullptr){

       ^

C:\Users\StefanoskyW\Documents\Arduino\libraries\esp32_ble_light\src\BLEDevice.cpp:146:67: error: 'm_securityCallbacks' is not a member of 'BLEDevice'

     esp_ble_gap_security_rsp(param->ble_security.ble_req.bd_addr, BLEDevice::m_securityCallbacks->onSecurityRequest());

                                                                   ^

C:\Users\StefanoskyW\Documents\Arduino\libraries\esp32_ble_light\src\BLEDevice.cpp:160:7: error: 'm_securityCallbacks' is not a member of 'BLEDevice'

    if(BLEDevice::m_securityCallbacks!=nullptr){

       ^

C:\Users\StefanoskyW\Documents\Arduino\libraries\esp32_ble_light\src\BLEDevice.cpp:162:5: error: 'm_securityCallbacks' is not a member of 'BLEDevice'

     BLEDevice::m_securityCallbacks->onPassKeyNotify(param->ble_security.key_notif.passkey);

     ^

C:\Users\StefanoskyW\Documents\Arduino\libraries\esp32_ble_light\src\BLEDevice.cpp:176:8: error: 'm_securityCallbacks' is not a member of 'BLEDevice'

     if(BLEDevice::m_securityCallbacks!=nullptr){

        ^

C:\Users\StefanoskyW\Documents\Arduino\libraries\esp32_ble_light\src\BLEDevice.cpp:177:6: error: 'm_securityCallbacks' is not a member of 'BLEDevice'

      BLEDevice::m_securityCallbacks->onAuthenticationComplete(param->ble_security.auth_cmpl);

      ^

C:\Users\StefanoskyW\Documents\Arduino\libraries\esp32_ble_light\src\BLEDevice.cpp: In static member function 'static void BLEDevice::init(std::__cxx11::string)':

C:\Users\StefanoskyW\Documents\Arduino\libraries\esp32_ble_light\src\BLEDevice.cpp:255:43: error: 'gattClientEventHandler' is not a member of 'BLEDevice'

   errRc = esp_ble_gattc_register_callback(BLEDevice::gattClientEventHandler);

                                           ^

Più di una libreria trovata per "BLEDevice.h"
Usata: C:\Users\StefanoskyW\Documents\Arduino\libraries\esp32_ble_light
Non usata: C:\Users\StefanoskyW\Documents\Arduino\hardware\espressif\esp32\libraries\BLE
Non usata: C:\Users\StefanoskyW\Documents\Arduino\hardware\espressif\esp32\libraries\BLE
Non usata: C:\Users\StefanoskyW\Documents\Arduino\hardware\espressif\esp32\libraries\BLE
Non usata: C:\Users\StefanoskyW\Documents\Arduino\hardware\espressif\esp32\libraries\BLE
exit status 1
Errore durante la compilazione per la scheda SparkFun ESP32 Thing.

Does characteristic have notify()?

I am trying to use this awesome light BLE library, but need use the notify. I see it in the example, but when I compile, I get an error that there is no

error: 'class BLECharacteristic' has no member named 'notify'

error: 'class BLECharacteristic' has no member named 'notify'
pTxCharacteristic->notify();

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