From c2575935fcb8156c837df0d4666de1a6c73505fb Mon Sep 17 00:00:00 2001
From: Michael Keller <github@ike.ch>
Date: Thu, 6 Feb 2020 15:12:13 +1300
Subject: [PATCH] Added bind button for receivers that support it.

---
 locales/en/messages.json |  3 +++
 src/js/fc.js             |  1 +
 src/js/msp/MSPCodes.js   |  5 ++++-
 src/js/tabs/receiver.js  | 10 ++++++++++
 src/tabs/receiver.html   |  3 +++
 5 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/locales/en/messages.json b/locales/en/messages.json
index 6885bc36..f981158a 100644
--- a/locales/en/messages.json
+++ b/locales/en/messages.json
@@ -1952,6 +1952,9 @@
     "receiverButtonRefresh": {
         "message": "Refresh"
     },
+    "receiverButtonBind": {
+        "message": "Bind Receiver"
+    },
     "receiverButtonSticks": {
         "message": "Control sticks"
     },
diff --git a/src/js/fc.js b/src/js/fc.js
index 2544ad8c..a51548e2 100644
--- a/src/js/fc.js
+++ b/src/js/fc.js
@@ -633,6 +633,7 @@ var FC = {
         HAS_FLASH_BOOTLOADER: 3,
         SUPPORTS_CUSTOM_DEFAULTS: 4,
         HAS_CUSTOM_DEFAULTS: 5,
+        SUPPORTS_RX_BIND: 6,
     },
 
     boardHasVcp: function () {
diff --git a/src/js/msp/MSPCodes.js b/src/js/msp/MSPCodes.js
index e8c50e8e..7c04137f 100644
--- a/src/js/msp/MSPCodes.js
+++ b/src/js/msp/MSPCodes.js
@@ -173,7 +173,10 @@ var MSPCodes = {
     MSP_DEBUGMSG:                   253, // Not used
     MSP_DEBUG:                      254,
 
-    // MSPv2
+    // MSPv2 Common
     MSP2_COMMON_SERIAL_CONFIG:      0x1009,
     MSP2_COMMON_SET_SERIAL_CONFIG:  0x100A,
+
+    // MSPv2 Betaflight specific
+    MSP2_BETAFLIGHT_BIND:           0x3000,
 };
diff --git a/src/js/tabs/receiver.js b/src/js/tabs/receiver.js
index e1e3788b..d7d2ea2a 100644
--- a/src/js/tabs/receiver.js
+++ b/src/js/tabs/receiver.js
@@ -325,6 +325,16 @@ TABS.receiver.initialize = function (callback) {
             });
         });
 
+        let showBindButton = false;
+        if (semver.gte(CONFIG.apiVersion, "1.43.0")) {
+            showBindButton = bit_check(CONFIG.targetCapabilities, FC.TARGET_CAPABILITIES_FLAGS.SUPPORTS_RX_BIND);
+
+            $("a.bind").click(function() {
+                MSP.send_message(MSPCodes.MSP2_BETAFLIGHT_BIND);
+            });
+        }
+        $(".bind_btn").toggle(showBindButton);
+
         // RC Smoothing
         if (semver.gte(CONFIG.apiVersion, "1.40.0")) {
             $('.tab-receiver .rcSmoothing').show();
diff --git a/src/tabs/receiver.html b/src/tabs/receiver.html
index fc66e29a..e364d789 100644
--- a/src/tabs/receiver.html
+++ b/src/tabs/receiver.html
@@ -315,6 +315,9 @@
         <div class="btn sticks_btn">
             <a class="sticks" href="#" i18n="receiverButtonSticks"></a>
         </div>
+        <div class="btn bind_btn">
+            <a class="bind" href="#" i18n="receiverButtonBind"></a>
+        </div>
         <div class="btn refresh_btn">
             <a class="refresh" href="#" i18n="receiverButtonRefresh"></a>
         </div>