cbperipheralmanager

Sending bluetooth LE data in advertisement on iOS

由 孤街浪徒 提交于 2021-01-27 07:33:23
问题 My app is running as a Bluetooth LE peripheral, and I'm trying to send just a few bytes of custom data in the Advertisement. func btStartBroadcasting(peripheral: CBPeripheralManager!) { // create an array of bytes to send var byteArray = [UInt8]() byteArray.append(0b11011110); // 'DE' byteArray.append(0b10101101); // 'AD' // convert that array into an NSData object var manufacturerData = NSData(bytes: byteArray,length: byteArray.count) // define a UIUD for the service let theUUid = CBUUID

Sending bluetooth LE data in advertisement on iOS

由 淺唱寂寞╮ 提交于 2021-01-27 07:32:42
问题 My app is running as a Bluetooth LE peripheral, and I'm trying to send just a few bytes of custom data in the Advertisement. func btStartBroadcasting(peripheral: CBPeripheralManager!) { // create an array of bytes to send var byteArray = [UInt8]() byteArray.append(0b11011110); // 'DE' byteArray.append(0b10101101); // 'AD' // convert that array into an NSData object var manufacturerData = NSData(bytes: byteArray,length: byteArray.count) // define a UIUD for the service let theUUid = CBUUID

How to send RGB signal to BLE device using iPhone application?

由 烂漫一生 提交于 2020-01-03 03:15:08
问题 We are working on iOS application and in which we need to pass the RGB signal to the BLE device and based on RGB code the device LED will glow. We are doing the connection using CBCentralManager for the CBPeripheral object of Bluetooth Framework in iOS app. We are setting the characteristic and descriptor UUID but still we are not able to send the signal on the BLE device. Here is the code we are using to pass RGB data in hex bytes format. - (void)centralManager:(CBCentralManager )central

iOS Bluetooth peripheralManagerDidUpdateState never called

由 旧巷老猫 提交于 2019-12-23 03:32:24
问题 I'm trying to set up my iPhone to act as a heart rate monitor and send information using the standard heart rate service so that the app I have running on my PC can retrieve the data. I'm a newbie to iOS but I have got bluetooth stuff running on Android and Windows before. I'm following the information here and I'm falling at the first hurdle... As specified in the doc, I first call CBPeripheralManager *myPeripheralManager = [[CBPeripheralManager alloc] initWithDelegate:(id

In CBPeripheralManager, how to know if user push a cancel button when it's trying to pairing

由 雨燕双飞 提交于 2019-12-11 11:56:06
问题 I'm making BLE connection between iPhone and device with CBPeripheralManager. If Central tried to pair with peripheral, Bluetooth pairing alertController pops up and user can choice which one there're going to use. Most of them will push a connect button. But is there a way to know when user push a cancel button? Delegate API would be good but I couldn't find it. 回答1: I'm not sure, but maybe didFailToConnectPeripheral method of CBCentralManagerDelegate is a good place to handle your case. 来源：

CoreBluetooth - Writing data from Central to Peripheral

由 China☆狼群 提交于 2019-12-10 12:13:25
问题 I referred Sample app provided by Apple for CoreBluetooth and I succeeded in sending Data from Peripheral to Central, Now I need to write Data from Central to Peripheral. After Googling i found that It can be done using [_discoveredPeripheral writeValue:aData forCharacteristic:charc type:CBCharacteristicWriteWithResponse]; Following is my Implementation of Central, to send Message to peripheral: -(void)sendMessage:(NSString *)strMessage{ NSData *aData = [strMessage dataUsingEncoding

How to send RGB signal to BLE device using iPhone application?

由 一个人想着一个人 提交于 2019-12-07 12:38:28
We are working on iOS application and in which we need to pass the RGB signal to the BLE device and based on RGB code the device LED will glow. We are doing the connection using CBCentralManager for the CBPeripheral object of Bluetooth Framework in iOS app. We are setting the characteristic and descriptor UUID but still we are not able to send the signal on the BLE device. Here is the code we are using to pass RGB data in hex bytes format. - (void)centralManager:(CBCentralManager )central didConnectPeripheral:(CBPeripheral )peripheral { NSLog(@"connect peripheral"); unsigned char bytes[] = {

iOS Bluetooth peripheralManagerDidUpdateState never called

由 爱⌒轻易说出口 提交于 2019-12-06 21:23:34
I'm trying to set up my iPhone to act as a heart rate monitor and send information using the standard heart rate service so that the app I have running on my PC can retrieve the data. I'm a newbie to iOS but I have got bluetooth stuff running on Android and Windows before. I'm following the information here and I'm falling at the first hurdle... As specified in the doc, I first call CBPeripheralManager *myPeripheralManager = [[CBPeripheralManager alloc] initWithDelegate:(id<CBPeripheralManagerDelegate>)self queue:nil options:nil]; I also implement the peripheralManagerDidUpdateState callback
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