Add LnxSetScanParameters to allow setting scan parameters of device

option_linux.go

@@ -73,6 +73,15 @@ func LnxSetAdvertisingParameters(c *cmd.LESetAdvertisingParameters) Option {
 	}
 }
 
+// LnxSetScanParameters sets the scan parameters to the HCI device.
+// This option can be used with NewDevice or Option on Linux implementation.
+func LnxSetScanParameters(c *cmd.LESetScanParameters) Option {
+	return func(d Device) error {
+		d.(*device).scanParam = c
+		return nil
+	}
+}
+
 // LnxSendHCIRawCommand sends a raw command to the HCI device
 // This option can be used with NewDevice or Option on Linux implementation.
 func LnxSendHCIRawCommand(c cmd.CmdParam, rsp io.Writer) Option {

option_linux_test.go

@@ -54,6 +54,19 @@ func ExampleLnxSetAdvertisingParameters() {
 	d.Option(o)          // Or dynamically with Option.
 }
 
+func ExampleLnxSetScanParameters() {
+	o := LnxSetScanParameters(&cmd.LESetScanParameters{
+		LEScanType:           0x01,   // [0x00]: passive, 0x01: active
+		LEScanInterval:       0x0010, // [0x10]: 0.625ms * 16
+		LEScanWindow:         0x0010, // [0x10]: 0.625ms * 16
+		OwnAddressType:       0x00,   // [0x00]: public, 0x01: random
+		ScanningFilterPolicy: 0x00,   // [0x00]: accept all, 0x01: ignore non-white-listed.
+	})
+
+	d, _ := NewDevice(o) // Can be used with NewDevice.
+	d.Option(o)          // Or dynamically with Option.
+}
+
 func ExampleLnxSendHCIRawCommand_predefinedCommand() {
 	// Send a predefined command of cmd package.
 	c := &cmd.LESetScanResponseData{