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@swordfish6975
Last active February 21, 2025 00:03
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JBL Flip 5 Stereo Mode FIX using ESP32
#include "BLEDevice.h"
//#include "BLEScan.h"
//Operating procedure
//1. Power on only the JBL Flip 5 you want to connect to the "master of the two speakers"
//2. It is ok to have it connected to your (phone/laptop/TV etc) or not at this stage
//3. Plug in or reset your ESP32 with this code in it
//4. Built in LED should be solid from startup, if it shuts off for two seconds the master Flip 5 was found and set to RIGHT channel mode
//5. Press the ♾️ on the master speaker
//6. Power on the slave speaker
//7. Press ♾️ on the slave speaker (might need to wait a bit before it lets you) (the master speaker will put this one to LEFT channel)
//8. Play some LEFT RIGHT test music on youtube or spotify
//9. 🥳
//If something didnt work reset both speakers to default (Press the Volume Up and Play buttons together. Hold them down together for about 10-20 seconds or until the status light turns off.)
//NOTE: Wont work with ESP8266, as it has no bluetooth...
static BLEUUID serviceUUID("65786365-6c70-6f69-6e74-2e636f6d0000");
static BLEUUID charUUID("65786365-6c70-6f69-6e74-2e636f6d0002");
static boolean doConnect = false;
static boolean connected = false;
static boolean doScan = false;
static BLERemoteCharacteristic *pRemoteCharacteristic;
static BLEAdvertisedDevice *myDevice;
//I am using a LoLin32, for some other esp32 boards it seems this is pin 2 and the LOW and HIGH need to be fliped
//Built in Light should be on the whole time and turn off for about 2 seconds when its written the RIGHT RemoteCharacteristic
//https://github.com/espressif/arduino-esp32/issues/359
int LED_BUILTIN = 22;
static void notifyCallback(BLERemoteCharacteristic *pBLERemoteCharacteristic, uint8_t *pData, size_t length, bool isNotify) {
Serial.print("Notify callback for characteristic ");
Serial.print(pBLERemoteCharacteristic->getUUID().toString().c_str());
Serial.print(" of data length ");
Serial.println(length);
Serial.print("data: ");
Serial.write(pData, length);
Serial.println();
}
class MyClientCallback : public BLEClientCallbacks {
void onConnect(BLEClient *pclient) {}
void onDisconnect(BLEClient *pclient) {
connected = false;
Serial.println("onDisconnect");
}
};
bool connectToServer() {
Serial.print("Forming a connection to ");
Serial.println(myDevice->getAddress().toString().c_str());
BLEClient *pClient = BLEDevice::createClient();
Serial.println(" - Created client");
pClient->setClientCallbacks(new MyClientCallback());
// Connect to the remove BLE Server.
pClient->connect(myDevice); // if you pass BLEAdvertisedDevice instead of address, it will be recognized type of peer device address (public or private)
Serial.println(" - Connected to server");
pClient->setMTU(517); //set client to request maximum MTU from server (default is 23 otherwise)
// Obtain a reference to the service we are after in the remote BLE server.
BLERemoteService *pRemoteService = pClient->getService(serviceUUID);
if (pRemoteService == nullptr) {
Serial.print("Failed to find our service UUID: ");
Serial.println(serviceUUID.toString().c_str());
pClient->disconnect();
return false;
}
Serial.println(" - Found our service");
// Obtain a reference to the characteristic in the service of the remote BLE server.
pRemoteCharacteristic = pRemoteService->getCharacteristic(charUUID);
if (pRemoteCharacteristic == nullptr) {
Serial.print("Failed to find our characteristic UUID: ");
Serial.println(charUUID.toString().c_str());
pClient->disconnect();
return false;
}
Serial.println(" - Found our characteristic");
// Read the value of the characteristic.
if (pRemoteCharacteristic->canRead()) {
String value = pRemoteCharacteristic->readValue();
Serial.print("The characteristic value was: ");
Serial.println(value.c_str());
}
if (pRemoteCharacteristic->canNotify()) {
pRemoteCharacteristic->registerForNotify(notifyCallback);
}
connected = true;
return true;
}
/**
* Scan for BLE servers and find the first one that advertises the service we are looking for.
*/
class MyAdvertisedDeviceCallbacks : public BLEAdvertisedDeviceCallbacks {
/**
* Called for each advertising BLE server.
*/
void onResult(BLEAdvertisedDevice advertisedDevice) {
Serial.print("BLE Advertised Device found: ");
Serial.println(advertisedDevice.toString().c_str());
String FlipName = advertisedDevice.getName();
String NameTarget = "JBL Flip 5";
//String macAdd = advertisedDevice.getAddress().toString();
// We have found a device, let us now see if it contains the service we are looking for.
if (NameTarget == FlipName) {
BLEDevice::getScan()->stop();
myDevice = new BLEAdvertisedDevice(advertisedDevice);
doConnect = true;
doScan = true;
} // Found our server
} // onResult
}; // MyAdvertisedDeviceCallbacks
void setup() {
pinMode(LED_BUILTIN, OUTPUT);
digitalWrite(LED_BUILTIN, LOW); // turn the LED on (HIGH is the voltage level)
Serial.begin(115200);
Serial.println("Starting Arduino BLE Client application...");
BLEDevice::init("");
// Retrieve a Scanner and set the callback we want to use to be informed when we
// have detected a new device. Specify that we want active scanning and start the
// scan to run for 5 seconds.
BLEScan *pBLEScan = BLEDevice::getScan();
pBLEScan->setAdvertisedDeviceCallbacks(new MyAdvertisedDeviceCallbacks());
pBLEScan->setInterval(1349);
pBLEScan->setWindow(449);
pBLEScan->setActiveScan(true);
pBLEScan->start(5, false);
} // End of setup.
// This is the Arduino main loop function.
void loop() {
// If the flag "doConnect" is true then we have scanned for and found the desired
// BLE Server with which we wish to connect. Now we connect to it. Once we are
// connected we set the connected flag to be true.
if (doConnect == true) {
if (connectToServer()) {
Serial.println("We are now connected to the BLE Server.");
} else {
Serial.println("We have failed to connect to the server; there is nothing more we will do.");
}
doConnect = false;
}
// If we are connected to a peer BLE Server, update the characteristic each time we are reached
// with the current time since boot.
if (connected) {
//byte leftCommand[6] = { 0xaa, 0x15, 0x03, 0x00, 0x46, 0x01 };
//SET_SPEAKER_INFO(0x15),
//TOKEN_AUDIO_CHANNEL(0x46),
//LEFT(1),
//RIGHT(2),
//STEREO(0);
byte rightCommand[6] = { 0xaa, 0x15, 0x03, 0x00, 0x46, 0x02 };
pRemoteCharacteristic->writeValue(rightCommand, sizeof(rightCommand));
Serial.println("Flip Done...");
connected = false;
doConnect = false;
doScan = false;
digitalWrite(LED_BUILTIN, HIGH);
delay(2000);
digitalWrite(LED_BUILTIN, LOW);
delay(2000);
} else if (doScan) {
BLEDevice::getScan()->start(0); // this is just example to start scan after disconnect, most likely there is better way to do it in arduino
}
digitalWrite(LED_BUILTIN, LOW);
delay(1000); // Delay a second between loops.
Serial.println("loop");
} // End of loop
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LoLin32

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swordfish6975 commented Feb 20, 2025

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