confrontation-training/initialize/findGateway.go

package initialize

import (
	"confrontation-training/global"
	"confrontation-training/models/gateway"
	"strings"
	"tinygo.org/x/bluetooth"
)

var adapter = bluetooth.DefaultAdapter

func FindGateway() {
	// Enable BLE interface.
	must("enable BLE stack", adapter.Enable())
	global.GatewayList = make(map[string]gateway.GatewayInfo)
	// Start scanning.
	println("scanning...")
	err := adapter.Scan(func(adapter *bluetooth.Adapter, device bluetooth.ScanResult) {

		println("found device:", device.Address.String(), device.RSSI, device.LocalName())
		mac := strings.ReplaceAll(device.Address.String(), ":", "")
		name := device.LocalName()
		if strings.HasSuffix(name, mac) {
			global.Log4J.Info("发现可能是网关的设备：mac="+mac, "	name="+name)
			var gatewayInfo gateway.GatewayInfo
			gatewayInfo.Mac = mac
			gatewayInfo.Name = name
			global.GatewayList[mac] = gatewayInfo
		}
	})
	must("start scan", err)
}
func must(action string, err error) {
	if err != nil {
		global.Log4J.Info("failed to " + action + ": " + err.Error())
	}
}