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linux: Add Write method to write characteristic value with response #389

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linux: Add Write method to write characteristic value with response #389

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8e24a95
linux: Add Write method to write characteristic value with response
timklge Oct 10, 2025
8a0bf63
Use short hand error check
timklge Oct 19, 2025
b78d006
Remove named returns
timklge Oct 19, 2025
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16 changes: 13 additions & 3 deletions gattc_linux.go
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Original file line number Diff line number Diff line change
Expand Up @@ -221,9 +221,19 @@ func (s DeviceService) DiscoverCharacteristics(uuids []UUID) ([]DeviceCharacteri
// call will return before all data has been written. A limited number of such
// writes can be in flight at any given time. This call is also known as a
// "write command" (as opposed to a write request).
func (c DeviceCharacteristic) WriteWithoutResponse(p []byte) (n int, err error) {
err = c.characteristic.Call("org.bluez.GattCharacteristic1.WriteValue", 0, p, map[string]dbus.Variant(nil)).Err
if err != nil {
func (c DeviceCharacteristic) WriteWithoutResponse(p []byte) (int, error) {
args := map[string]any{"type": "command"}
if err := c.characteristic.Call("org.bluez.GattCharacteristic1.WriteValue", 0, p, args).Err; err != nil {
return 0, err
}
return len(p), nil
}

// Write replaces the characteristic value with a new value. The
// call will return after all data has been written.
func (c DeviceCharacteristic) Write(p []byte) (int, error) {
args := map[string]any{"type": "request"}
if err := c.characteristic.Call("org.bluez.GattCharacteristic1.WriteValue", 0, p, args).Err; err != nil {
return 0, err
}
return len(p), nil
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