itd/main.go

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/*
* itd uses bluetooth low energy to communicate with InfiniTime devices
* Copyright (C) 2021 Arsen Musayelyan
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package main
import (
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_ "embed"
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"flag"
"fmt"
"os"
"strconv"
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"time"
"github.com/gen2brain/dlgs"
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"github.com/knadh/koanf"
"github.com/mattn/go-isatty"
"github.com/rs/zerolog"
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"github.com/rs/zerolog/log"
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"gitea.arsenm.dev/cpyarger/itd"
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)
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var k = koanf.New(".")
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//go:embed version.txt
var version string
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var (
firmwareUpdating = false
// The FS must be updated when the watch is reconnected
updateFS = false
)
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func main() {
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showVer := flag.Bool("version", false, "Show version number and exit")
flag.Parse()
// If version requested, print and exit
if *showVer {
fmt.Println(version)
return
}
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level, err := zerolog.ParseLevel(k.String("logging.level"))
if err != nil || level == zerolog.NoLevel {
level = zerolog.InfoLevel
}
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// Initialize infinitime library
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infinitime.Init()
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// Cleanly exit after function
defer infinitime.Exit()
// Create infinitime options struct
opts := &infinitime.Options{
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AttemptReconnect: k.Bool("conn.reconnect"),
WhitelistEnabled: k.Bool("conn.whitelist.enabled"),
Whitelist: k.Strings("conn.whitelist.devices"),
OnReqPasskey: onReqPasskey,
Logger: log.Logger,
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LogLevel: level,
}
// Connect to InfiniTime with default options
dev, err := infinitime.Connect(opts)
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if err != nil {
log.Fatal().Err(err).Msg("Error connecting to InfiniTime")
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}
// When InfiniTime reconnects
opts.OnReconnect = func() {
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if k.Bool("on.reconnect.setTime") {
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// Set time to current time
err = dev.SetTime(time.Now())
if err != nil {
return
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}
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}
// If config specifies to notify on reconnect
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if k.Bool("on.reconnect.notify") {
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// Send notification to InfiniTime
err = dev.Notify("itd", "Successfully reconnected")
if err != nil {
return
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}
}
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// FS must be updated on reconnect
updateFS = true
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// Resend weather on reconnect
sendWeatherCh <- struct{}{}
}
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// Get firmware version
ver, err := dev.Version()
if err != nil {
log.Error().Err(err).Msg("Error getting firmware version")
}
// Log connection
log.Info().Str("version", ver).Msg("Connected to InfiniTime")
// If config specifies to notify on connect
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if k.Bool("on.connect.notify") {
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// Send notification to InfiniTime
err = dev.Notify("itd", "Successfully connected")
if err != nil {
log.Error().Err(err).Msg("Error sending notification to InfiniTime")
}
}
// Set time to current time
err = dev.SetTime(time.Now())
if err != nil {
log.Error().Err(err).Msg("Error setting current time on connected InfiniTime")
}
// Initialize music controls
err = initMusicCtrl(dev)
if err != nil {
log.Error().Err(err).Msg("Error initializing music control")
}
// Start control socket
err = initCallNotifs(dev)
if err != nil {
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log.Error().Err(err).Msg("Error initializing call notifications")
}
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// Initialize notification relay
err = initNotifRelay(dev)
if err != nil {
log.Error().Err(err).Msg("Error initializing notification relay")
}
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// Initializa weather
err = initWeather(dev)
if err != nil {
log.Error().Err(err).Msg("Error initializing weather")
}
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// Start control socket
err = startSocket(dev)
if err != nil {
log.Error().Err(err).Msg("Error starting socket")
}
// Block forever
select {}
}
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func onReqPasskey() (uint32, error) {
var out uint32
if isatty.IsTerminal(os.Stdin.Fd()) {
fmt.Print("Passkey: ")
_, err := fmt.Scanln(&out)
if err != nil {
return 0, err
}
} else {
passkey, ok, err := dlgs.Entry("Pairing", "Enter the passkey displayed on your watch.", "")
if err != nil {
return 0, err
}
if !ok {
return 0, nil
}
passkeyInt, err := strconv.Atoi(passkey)
return uint32(passkeyInt), err
}
return out, nil
}