DMXStage/dmxconnect
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resolved disconnected hardware when it is detected

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This commit is contained in:
Valentin Boulanger
2025-08-31 11:15:38 +02:00
parent 0db468bfef
commit bc15407cad
14 changed files with 96 additions and 80 deletions
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12
hardware/FTDIPeripheral.go
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@@ -6,6 +6,7 @@ import (
_ "embed"
"fmt"
"io"
"path/filepath"
"github.com/rs/zerolog/log"
@@ -37,6 +38,7 @@ func NewFTDIPeripheral(info PeripheralInfo) (*FTDIPeripheral, error) {
log.Info().Str("file", "FTDIPeripheral").Str("name", info.Name).Str("s/n", info.SerialNumber).Msg("FTDI peripheral created")
settings := make(map[string]interface{})
return &FTDIPeripheral{
programName: filepath.Join(os.TempDir(), ftdiSenderExecutableName),
info: info,
dmxSender: nil,
settings: settings,
@@ -94,6 +96,10 @@ func (p *FTDIPeripheral) Connect(ctx context.Context, location int) error {
select {
case <-ctx.Done():
// If the context is canceled, handle it gracefully
err = p.Disconnect()
if err != nil {
log.Err(err).Str("file", "FTDIPeripheral").Msg("unable to disconnect the peripheral")
}
log.Warn().Str("file", "FTDIPeripheral").Str("s/n", p.info.SerialNumber).Msg("dmxSender was canceled by context")
return
default:
@@ -114,7 +120,7 @@ func (p *FTDIPeripheral) Connect(ctx context.Context, location int) error {
}
// Disconnect disconnects the FTDI peripheral
func (p *FTDIPeripheral) Disconnect(ctx context.Context) error {
func (p *FTDIPeripheral) Disconnect() error {
log.Trace().Str("file", "FTDIPeripheral").Str("s/n", p.info.SerialNumber).Msg("disconnecting FTDI peripheral...")
if p.dmxSender != nil {
log.Debug().Str("file", "FTDIPeripheral").Str("s/n", p.info.SerialNumber).Msg("dmxsender is defined for this FTDI")
@@ -174,10 +180,10 @@ func (p *FTDIPeripheral) SetSettings(settings map[string]interface{}) error {
}
// SetDeviceProperty sends a command to the specified device
func (p *FTDIPeripheral) SetDeviceProperty(ctx context.Context, uint32, channelNumber uint32, channelValue byte) error {
func (p *FTDIPeripheral) SetDeviceProperty(ctx context.Context, channelNumber uint32, channelValue byte) error {
if p.dmxSender != nil {
log.Debug().Str("file", "FTDIPeripheral").Str("s/n", p.info.SerialNumber).Msg("dmxsender is defined for this FTDI")
commandString := []byte{0x03, 0x01, 0x00, 0xff, 0x03, 0x02, 0x00, channelValue}
commandString := []byte{0x03, byte(channelNumber & 0xFF), byte((channelNumber >> 8) & 0xFF), channelValue}
_, err := io.WriteString(p.stdin, string(commandString))
if err != nil {
log.Err(err).Str("file", "FTDIPeripheral").Str("s/n", p.info.SerialNumber).Msg("unable to write command to sender")