iOS app that collects data from "Accu-Chek Aviva Connect" BG meter. (Bluetooth Low Energy)

iOS app that collects data from "Accu-Chek Aviva Connect" BG meter. (Bluetooth Low Energy)

By : Khalid
Date : November 21 2020, 11:01 PM
wish of those help The way to work with Accu-Chek Aviva Connect is to pair it the first time by going to Settings → Wireless → Pairing → Pair Device. Then you get a screen with number code and a message: "Enter code on device".
On iPhone you discover Accu-Chek device and write a value to Read Record Access Control Point characteristic. For example request a Number of records:
code :
- (void)peripheral:(CBPeripheral *)aPeripheral didDiscoverCharacteristicsForService:(CBService *)service error:(NSError *)error {

    if ([service.UUID isEqual:[CBUUID UUIDWithString:@"1808"]]) {
        for (CBCharacteristic *aChar in service.characteristics) {

            // Read Record Access Control Point
            if ([aChar.UUID isEqual:[CBUUID UUIDWithString:@"2A52"]]) {
                [aPeripheral readValueForCharacteristic:aChar];
                [aPeripheral setNotifyValue:YES forCharacteristic:aChar];

                self.readAccessControlPointCharacteristic = aChar;

                NSMutableData *mutableData = [NSMutableData data];
                uint8_t opCode = 0x04; // Report number of stored records
                uint8_t operator = 0x01; // All records

                [mutableData appendData:[NSData dataWithBytes:(void*)&opCode length:sizeof(opCode)]];
                [mutableData appendData:[NSData dataWithBytes:(void*)&operator length:sizeof(operator)]];

                [aPeripheral writeValue:mutableData forCharacteristic:self.readAccessControlPointCharacteristic type:CBCharacteristicWriteWithResponse];


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Motorola and Bluetooth Low Energy with custom Bluetooth Low Energy client device

Motorola and Bluetooth Low Energy with custom Bluetooth Low Energy client device

By : naghme pirmoradian
Date : March 29 2020, 07:55 AM
this one helps. Android options for BLE are limited, and this answer may be different at any given point in the future.
Motorola API will only work for Motorola phones. The GATT API will allow you to push data to the GATT and transmit it via ble. HOWEVER Motorola has ONLY extended the HRM profile. Additionally the API stopped working on devices that were updated to ICS (as of 10 days ago this is still the case). They are working to update the API as well as possibly extend the profiles beyond HRM. There have been people that have simply leveraged the HRM profile to shuttle data, but there is currently a 2 octet limit.
how to connect with bluetooth low energy in ios swift?

how to connect with bluetooth low energy in ios swift?

By : Azhar Desai
Date : March 29 2020, 07:55 AM
Does that help I want to connect with ble peripheral. But my code doesn't call didConect function , I've solved this.
just need to change :
code :
func centralManager(central: CBCentralManager, didConnect peripheral: CBPeripheral)
func centralManager(_ central: CBCentralManager, didConnect peripheral: CBPeripheral)
Connect Accu-Chek Performa Nano device Via Bluetooth

Connect Accu-Chek Performa Nano device Via Bluetooth

By : Dug6464
Date : March 29 2020, 07:55 AM
I wish this help you There is no Bluetooth in Accu-chek Perfoma nano,Your have to Place device in communication mode by connecting the device to the computer using a USB cable or an Accu-Chek IR-to-USB cable. (The IR-to-USB cable enables compatible devices to send and receive data via a wireless connection.)
Can't connect the Hololens to a Bluetooth Low Energy device

Can't connect the Hololens to a Bluetooth Low Energy device

By : Jurabek Toshmatov
Date : March 29 2020, 07:55 AM
Hope that helps I have finally found how I can get all services and the characteristics per service. By creating a GattDevice I can get the services with GattDevice.GattServices. When I found the correct GattDeviceService, I can get the Characteristics with:
code :
GattService s = new GattService(GattDeviceService)
How to connect to a Bluetooth low energy device from iOS with Qt?

How to connect to a Bluetooth low energy device from iOS with Qt?

By : kilian carpentier
Date : March 29 2020, 07:55 AM
this one helps. You should use QLowEnergyController If you use your device as peripheral look this method. I create class that contains instance of QLowEnergyController and works with it. Here is part of code that i use in my application:
code :
void BLEAdvertisementCommunicator::startAdvertisingService() {
    mController = QLowEnergyController::createPeripheral(this);
    QLowEnergyServiceData serviceData;

    auto service = mController->addService(serviceData, mController);

    connect(mController, SIGNAL(connected()), this, SLOT(onDeviceConnected()));
    connect(mController, SIGNAL(disconnected()), this, SLOT(onDeviceDisconnected()));
    connect(mController, SIGNAL(error(QLowEnergyController::Error)), this, SLOT(onError(QLowEnergyController::Error)));
    mController->startAdvertising(QLowEnergyAdvertisingParameters(), mAdvertisingData,
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