56 lines
950 B
Go
56 lines
950 B
Go
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package main
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import (
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"fmt"
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"image/color"
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"time"
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"tinygo.org/x/bluetooth"
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"tinygo.org/x/tinyterm"
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)
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var (
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terminal *tinyterm.Terminal
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black = color.RGBA{0, 0, 0, 255}
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adapter = bluetooth.DefaultAdapter
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)
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func main() {
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initTerminal()
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terminalOutput("enable interface...")
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must("enable BLE interface", adapter.Enable())
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time.Sleep(time.Second)
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terminalOutput("start scan...")
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must("start scan", adapter.Scan(scanHandler))
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for {
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time.Sleep(time.Minute)
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terminalOutput("scanning...")
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}
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}
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func scanHandler(adapter *bluetooth.Adapter, device bluetooth.ScanResult) {
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msg := fmt.Sprintf("%s %d %s", device.Address.String(), device.RSSI, device.LocalName())
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terminalOutput(msg)
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}
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func must(action string, err error) {
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if err != nil {
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for {
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terminalOutput("failed to " + action + ": " + err.Error())
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time.Sleep(time.Second)
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}
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}
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}
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func terminalOutput(s string) {
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println(s)
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fmt.Fprintf(terminal, "\n%s", s)
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}
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