From 7f3b96cff91221e70413b807849f729a5f052677 Mon Sep 17 00:00:00 2001
From: Yurii Soldak <ysoldak@gmail.com>
Date: Mon, 1 Nov 2021 23:35:48 +0100
Subject: [PATCH] adapter: address

---
 adapter_linux.go               | 13 +++++++++++++
 adapter_nrf51.go               |  9 +++++++++
 adapter_nrf528xx.go            |  9 +++++++++
 examples/advertisement/main.go |  5 +++--
 4 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/adapter_linux.go b/adapter_linux.go
index 15aa354..336a031 100644
--- a/adapter_linux.go
+++ b/adapter_linux.go
@@ -6,6 +6,8 @@
 package bluetooth
 
 import (
+	"errors"
+
 	"github.com/muka/go-bluetooth/api"
 	"github.com/muka/go-bluetooth/bluez/profile/adapter"
 )
@@ -41,3 +43,14 @@ func (a *Adapter) Enable() (err error) {
 	}
 	return nil
 }
+
+func (a *Adapter) Address() (MACAddress, error) {
+	if a.adapter == nil {
+		return MACAddress{}, errors.New("adapter not enabled")
+	}
+	mac, err := ParseMAC(a.adapter.Properties.Address)
+	if err != nil {
+		return MACAddress{}, err
+	}
+	return MACAddress{MAC: mac}, nil
+}
diff --git a/adapter_nrf51.go b/adapter_nrf51.go
index b706f6d..1463698 100644
--- a/adapter_nrf51.go
+++ b/adapter_nrf51.go
@@ -106,3 +106,12 @@ func handleEvent() {
 		}
 	}
 }
+
+func (a *Adapter) Address() (MACAddress, error) {
+	var addr C.ble_gap_addr_t
+	errCode := C.sd_ble_gap_address_get(&addr)
+	if errCode != 0 {
+		return MACAddress{}, Error(errCode)
+	}
+	return MACAddress{MAC: addr.addr}, nil
+}
diff --git a/adapter_nrf528xx.go b/adapter_nrf528xx.go
index 50047b4..ca8594f 100644
--- a/adapter_nrf528xx.go
+++ b/adapter_nrf528xx.go
@@ -54,3 +54,12 @@ func (a *Adapter) enable() error {
 	errCode = C.sd_ble_enable(&appRAMBase)
 	return makeError(errCode)
 }
+
+func (a *Adapter) Address() (MACAddress, error) {
+	var addr C.ble_gap_addr_t
+	errCode := C.sd_ble_gap_addr_get(&addr)
+	if errCode != 0 {
+		return MACAddress{}, Error(errCode)
+	}
+	return MACAddress{MAC: addr.addr}, nil
+}
diff --git a/examples/advertisement/main.go b/examples/advertisement/main.go
index a842234..56a5e8c 100644
--- a/examples/advertisement/main.go
+++ b/examples/advertisement/main.go
@@ -17,9 +17,10 @@ func main() {
 	must("start adv", adv.Start())
 
 	println("advertising...")
+	address, _ := adapter.Address()
 	for {
-		// Sleep forever.
-		time.Sleep(time.Hour)
+		println("Go Bluetooth /", address.MAC.String())
+		time.Sleep(time.Second)
 	}
 }