要实现BLE响应返回到移动到移动的外围连接,你可以按照以下步骤进行操作:
初始化BLE外围设备:
const noble = require('noble');
noble.on('stateChange', function(state) {
if (state === 'poweredOn') {
noble.startAdvertising('Peripheral Device');
} else {
noble.stopAdvertising();
}
});
noble.on('advertisingStart', function() {
console.log('Advertising started');
});
监听外围设备连接事件:
noble.on('accept', function(clientAddress) {
console.log('Connected to central device with address: ' + clientAddress);
});
noble.on('disconnect', function(clientAddress) {
console.log('Disconnected from central device with address: ' + clientAddress);
});
处理外围设备接收到的数据:
noble.on('read', function(uuid, data) {
console.log('Received data from central device with UUID: ' + uuid);
console.log('Data: ' + data.toString());
});
noble.on('write', function(uuid, data) {
console.log('Data written to central device with UUID: ' + uuid);
console.log('Data: ' + data.toString());
});
发送响应到移动设备:
const peripheralUUID = 'your-peripheral-uuid';
const characteristicUUID = 'your-characteristic-uuid';
const response = 'Hello from peripheral device';
noble.on('advertisingStart', function() {
const peripheral = noble._peripherals[peripheralUUID];
if (peripheral) {
const characteristic = peripheral.characteristics[characteristicUUID];
if (characteristic) {
characteristic.write(new Buffer(response), false, function(error) {
if (error) {
console.log('Failed to send response');
} else {
console.log('Response sent successfully');
}
});
}
}
});
请注意,上述代码示例是使用Node.js和noble库来实现的。你可以根据你使用的编程语言和BLE库进行相应的调整。
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