87 lines
1.9 KiB
Go
87 lines
1.9 KiB
Go
package main
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import (
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"context"
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"fmt"
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"io/ioutil"
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"os"
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"github.com/tblyler/lightshowpi/config"
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"github.com/tblyler/lightshowpi/light"
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"github.com/tblyler/lightshowpi/light/rpi"
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"github.com/tblyler/lightshowpi/sound"
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"golang.org/x/sync/errgroup"
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)
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func readConfig(filePath string) (*config.Config, error) {
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file, err := os.Open(filePath)
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if err != nil {
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return nil, fmt.Errorf("failed to open %s: %w", filePath, err)
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}
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defer file.Close()
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rawConfigData, err := ioutil.ReadAll(file)
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if err != nil {
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return nil, fmt.Errorf("failed to read config file %s: %w", filePath, err)
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}
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config, err := config.ParseConfig(rawConfigData)
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if err != nil {
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return nil, fmt.Errorf("failed to parse %s: %w", filePath, err)
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}
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return config, nil
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}
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func main() {
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err := func() error {
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cfg, err := readConfig("/etc/lightshowpi.toml")
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if err != nil {
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return err
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}
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piManager, err := rpi.NewManager(*cfg.RPIManagerConfig())
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if err != nil {
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return err
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}
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defer piManager.Close()
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basicLights := map[string]light.BasicLight{}
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for alias, info := range cfg.RaspberryPi.BasicLights {
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basicLight, err := piManager.GetBasicLight(info.Pin)
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if err != nil {
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return fmt.Errorf("failed to get raspberry pi basic light %s for pin %d: %w", alias, info.Pin, err)
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}
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basicLights[alias] = basicLight
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}
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basicLightConductorSchedule, err := light.NewBasicLightConductorScheduleFromFile(cfg.LightSchedulePath)
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if err != nil {
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return err
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}
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basicLightConductor := light.NewBasicLightConductor(basicLights, basicLightConductorSchedule)
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soundOuput := sound.NewFM(cfg.FMOutput)
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errGroup, errGroupCtx := errgroup.WithContext(context.TODO())
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errGroup.Go(func() error {
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return basicLightConductor.Start(errGroupCtx)
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})
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errGroup.Go(func() error {
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return soundOuput.Play(errGroupCtx, cfg.SongPath)
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})
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return errGroup.Wait()
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}()
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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}
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