From e1385573b1cff2d73977c579346e455eca21a1ba Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Sat, 3 Nov 2018 09:49:56 +1100
Subject: [PATCH] AP_RCProtocol: return protocol name string

---
 libraries/AP_RCProtocol/AP_RCProtocol.cpp | 25 +++++++++++++++++++++++
 libraries/AP_RCProtocol/AP_RCProtocol.h   |  3 +++
 2 files changed, 28 insertions(+)

diff --git a/libraries/AP_RCProtocol/AP_RCProtocol.cpp b/libraries/AP_RCProtocol/AP_RCProtocol.cpp
index 76d67acb51..d8a5ecf340 100644
--- a/libraries/AP_RCProtocol/AP_RCProtocol.cpp
+++ b/libraries/AP_RCProtocol/AP_RCProtocol.cpp
@@ -153,3 +153,28 @@ void AP_RCProtocol::start_bind(void)
         }
     }
 }
+
+/*
+  return protocol name
+ */
+const char *AP_RCProtocol::protocol_name(void) const
+{
+    switch (_detected_protocol) {
+    case PPM:
+        return "PPM";
+    case SBUS:
+    case SBUS_NI:
+        return "SBUS";
+    case DSM:
+        return "DSM";
+    case SUMD:
+        return "SUMD";
+    case SRXL:
+        return "SRXL";
+    case ST24:
+        return "ST24";
+    case NONE:
+        break;
+    }
+    return nullptr;
+}
diff --git a/libraries/AP_RCProtocol/AP_RCProtocol.h b/libraries/AP_RCProtocol/AP_RCProtocol.h
index 30ad53424e..8b8ad989ff 100644
--- a/libraries/AP_RCProtocol/AP_RCProtocol.h
+++ b/libraries/AP_RCProtocol/AP_RCProtocol.h
@@ -64,6 +64,9 @@ public:
     bool new_input();
     void start_bind(void);
 
+    // return protocol name as a string
+    const char *protocol_name(void) const;
+
     // access to singleton
     static AP_RCProtocol *get_instance(void) {
         return instance;