WIP rtl8720dn

adapter_rtl8720dn.go

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+// +build wioterminal
+
+package bluetooth
+
+// Adapter is a dummy adapter: it represents the connection to the (only)
+// SoftDevice on the chip.
+type Adapter struct {
+	isDefault         bool
+	scanning          bool
+	charWriteHandlers []charWriteHandler
+
+	connectHandler func(device Addresser, connected bool)
+}
+
+// DefaultAdapter is the default adapter on the current system. On Nordic chips,
+// it will return the SoftDevice interface.
+//
+// Make sure to call Enable() before using it to initialize the adapter.
+var DefaultAdapter = &Adapter{isDefault: true,
+	connectHandler: func(device Addresser, connected bool) {
+		return
+	}}
+
+// Enable configures the BLE stack. It must be called before any
+// Bluetooth-related calls (unless otherwise indicated).
+func (a *Adapter) Enable() error {
+	return nil
+}

gap_rtl8720dn.go

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+// +build wioterminal
+
+package bluetooth
+
+// Scan starts a BLE scan. It is stopped by a call to StopScan. A common pattern
+// is to cancel the scan when a particular device has been found.
+//
+// The callback is run on the same goroutine as the Scan function when using a
+// SoftDevice.
+func (a *Adapter) Scan(callback func(*Adapter, ScanResult)) error {
+	return nil
+}

gatts_rtl8720dn.go

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+// +build wioterminal
+
+package bluetooth
+
+// Characteristic is a single characteristic in a service. It has an UUID and a
+// value.
+type Characteristic struct {
+	handle      uint16
+	permissions CharacteristicPermissions
+}
+
+// charWriteHandler contains a handler->callback mapping for characteristic
+// writes.
+type charWriteHandler struct {
+	handle   uint16
+	callback func(connection Connection, offset int, value []byte)
+}