From 067eae4bfc9f651652e846169c6396f053a6d57b Mon Sep 17 00:00:00 2001
From: Luca Niccoli <luca@narwhal.it>
Date: Sat, 11 Feb 2023 16:44:28 +0100
Subject: [PATCH] Expose advertisement flags in NimBLEAdvertisedDevice

---
 src/NimBLEAdvertisedDevice.cpp | 19 +++++++++++++++++++
 src/NimBLEAdvertisedDevice.h   |  1 +
 2 files changed, 20 insertions(+)

diff --git a/src/NimBLEAdvertisedDevice.cpp b/src/NimBLEAdvertisedDevice.cpp
index b4fb0f4d..ec7cc03f 100644
--- a/src/NimBLEAdvertisedDevice.cpp
+++ b/src/NimBLEAdvertisedDevice.cpp
@@ -62,6 +62,25 @@ uint8_t NimBLEAdvertisedDevice::getAdvType() {
 } // getAdvType
 
 
+/**
+ * @brief Get the advertisement flags.
+ * @return The advertisement flags, a bitmask of:
+ * BLE_HS_ADV_F_DISC_LTD (0x01) - limited discoverability
+ * BLE_HS_ADV_F_DISC_GEN (0x02) - general discoverability
+ * BLE_HS_ADV_F_BREDR_UNSUP - BR/EDR not supported
+ */
+uint8_t NimBLEAdvertisedDevice::getAdvFlags() {
+    size_t data_loc = 0;
+
+    if(findAdvField(BLE_HS_ADV_TYPE_APPEARANCE, 0, &data_loc) > 0) {
+        ble_hs_adv_field *field = (ble_hs_adv_field *)&m_payload[data_loc];
+        if(field->length == BLE_HS_ADV_FLAGS_LEN + 1) {
+            return *field->value;
+        }
+    }
+    return 0;
+} // getAdvFlags
+
 /**
  * @brief Get the appearance.
  *
diff --git a/src/NimBLEAdvertisedDevice.h b/src/NimBLEAdvertisedDevice.h
index 772bab91..834c3e54 100644
--- a/src/NimBLEAdvertisedDevice.h
+++ b/src/NimBLEAdvertisedDevice.h
@@ -45,6 +45,7 @@ class NimBLEAdvertisedDevice {
 
     NimBLEAddress   getAddress();
     uint8_t         getAdvType();
+    uint8_t         getAdvFlags();
     uint16_t        getAppearance();
     uint16_t        getAdvInterval();
     uint16_t        getMinInterval();