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Add support for stream deck pedal without visuals #18

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Add support for stream deck pedal without visuals #18

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36 changes: 36 additions & 0 deletions streamdeck.go
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@ const (
PID_STREAMDECK_MINI = 0x0063
PID_STREAMDECK_MINI_MK2 = 0x0090
PID_STREAMDECK_XL = 0x006c
PID_STREAMDECK_PEDAL = 0x0086
)

// Firmware command IDs.
Expand All @@ -54,6 +55,7 @@ type Device struct {
Columns uint8
Rows uint8
Keys uint8
Visuals bool
Pixels uint
DPI uint
Padding uint
Expand Down Expand Up @@ -109,6 +111,7 @@ func Devices() ([]Device, error) {
Columns: 5,
Rows: 3,
Keys: 15,
Visuals: true,
Pixels: 72,
DPI: 124,
Padding: 16,
Expand All @@ -132,6 +135,7 @@ func Devices() ([]Device, error) {
Columns: 3,
Rows: 2,
Keys: 6,
Visuals: true,
Pixels: 80,
DPI: 138,
Padding: 16,
Expand All @@ -155,6 +159,7 @@ func Devices() ([]Device, error) {
Columns: 5,
Rows: 3,
Keys: 15,
Visuals: true,
Pixels: 72,
DPI: 124,
Padding: 16,
Expand All @@ -178,6 +183,7 @@ func Devices() ([]Device, error) {
Columns: 8,
Rows: 4,
Keys: 32,
Visuals: true,
Pixels: 96,
DPI: 166,
Padding: 16,
Expand All @@ -194,6 +200,20 @@ func Devices() ([]Device, error) {
resetCommand: c_REV2_RESET,
setBrightnessCommand: c_REV2_BRIGHTNESS,
}
case d.VendorID == VID_ELGATO && d.ProductID == PID_STREAMDECK_PEDAL:
dev = Device{
ID: d.Path,
Serial: d.Serial,
Columns: 3,
Rows: 1,
Keys: 3,
Visuals: false,
featureReportSize: 32,
firmwareOffset: 6,
keyStateOffset: 4,
translateKeyIndex: identity,
getFirmwareCommand: c_REV2_FIRMWARE,
}
}

if dev.ID != "" {
Expand Down Expand Up @@ -233,6 +253,10 @@ func (d Device) FirmwareVersion() (string, error) {

// Resets the Stream Deck, clears all button images and shows the standby image.
func (d Device) Reset() error {
if !d.Visuals {
return nil
}

return d.sendFeatureReport(d.resetCommand)
}

Expand Down Expand Up @@ -375,6 +399,10 @@ func (d *Device) SetSleepTimeout(t time.Duration) {

// Fade fades the brightness in or out.
func (d *Device) Fade(start uint8, end uint8, duration time.Duration) error {
if !d.Visuals {
return nil
}

step := (float64(end) - float64(start)) / float64(duration/fadeDelay)
if step == math.Inf(1) || step == math.Inf(-1) {
return nil
Expand All @@ -396,6 +424,10 @@ func (d *Device) Fade(start uint8, end uint8, duration time.Duration) error {

// SetBrightness sets the background lighting brightness from 0 to 100 percent.
func (d *Device) SetBrightness(percent uint8) error {
if !d.Visuals {
return nil
}

if percent > 100 {
percent = 100
}
Expand All @@ -420,6 +452,10 @@ func (d *Device) SetBrightness(percent uint8) error {
// needs to be in the correct resolution for the device. The index starts with
// 0 being the top-left button.
func (d Device) SetImage(index uint8, img image.Image) error {
if !d.Visuals {
return nil
}

if img.Bounds().Dy() != int(d.Pixels) ||
img.Bounds().Dx() != int(d.Pixels) {
return fmt.Errorf("supplied image has wrong dimensions, expected %[1]dx%[1]d pixels", d.Pixels)
Expand Down