lutronpi bridge fix

diff --git a/bridges/lutron-bridge.js b/bridges/lutron-bridge.js
old mode 100644
new mode 100755
index 2a53466..c7fc4ef
--- a/bridges/lutron-bridge.js
+++ b/bridges/lutron-bridge.js
@@ -32,7 +32,7 @@ module.exports = {
 // const assert = require('assert');

 const log = require('loglevel');
-log.setLevel('info')
+log.setLevel('debug')

 const net = require('net');
 const tls = require('tls');
@@ -56,6 +56,7 @@ const communiqueBridgeScenesRequest =
    '{"CommuniqueType":"ReadRequest","Header":{"Url":"/virtualbutton"}}\n';
 const communiqueBridgeButtonGroupsRequest =
    '{"CommuniqueType":"ReadRequest","Header":{"Url":"/buttongroup"}}\n';
+const communiqueBridgeButtonGroupsRequestUrl = '/buttongroup';
 const communiqueBridgeButtonsRequest =
    '{"CommuniqueType":"ReadRequest","Header":{"Url":"/button"}}\n';
 const communiqueBridgeButtonProgrammingModelRequest1of2 =
@@ -98,6 +99,9 @@ const communiqueBridgePicoButtonActionPressAndRelease3of3 =
 const communiqueBridgePicoButtonActionPressAndHold3of3 = '"PressAndHold"}}}\n';
 const communiqueBridgePicoButtonActionRelease3of3 = '"Release"}}}\n';

+const statusCodeNoContent = '204 NoContent';
+const statusCodeCreated = '201 Created';
+
 const LB_REQUEST_TIMEOUT = 5000;   // was 1500
 const LB_RESPONSE_TIMEOUT = 20000; // was 3000
 const LB_RECONNECT_DELAY_RESET = 30000;
@@ -247,7 +251,7 @@ function picoID(lbridgeID, picoDevice, picoButtonNumber) {
    return lbridgeID + ":" + picoDevice + ":" + picoButtonNumber;
 }

-function picoReportJSONFormatter(picoBridge, picoDevice, picoButtonNumber, picoOpName) {
+function picoReportJSONFormatter(picoBridge, picoDevice, picoButtonNumber, picoOpName) {
    return {
        Header: {
            MessageBodyType: "ButtonAction",
@@ -809,11 +813,7 @@ Bridge.prototype._handleIncomingSSLData = function (msgStringData, digest) {
        // update the buttons table from SmartThings device handlers to add LIP button number (2-6, 8-11) and press/hold mode

        this._logger.info('Lutron Bridge %s Pico info:\n%o\n', this.bridgeID, this._picoList);
-       this._bridgeEvents.emit(BE_GOTBUTTONGROUPS, this.bridgeIX);
-       this._bridgeEvents.emit(BE_GOTDEVICES, this.bridgeIX, this._updatedDevices); // we've got all the device info available; tell the listener(s)
-
-       if (this._dReqDeviceListCallback.length)
-           this._dReqDeviceListCallback.shift()(this.bridgeIX);
+       this._bridgeAnnounceAllDeviceInfoIsAvailable();
        return;
    }
    else if (jsonData.Header.MessageBodyType == 'OneProgrammingModelDefinition') {
@@ -901,8 +901,15 @@ Bridge.prototype._handleIncomingSSLData = function (msgStringData, digest) {
        }
        return;
    }
-   else if (jsonData.Header.StatusCode == '204 NoContent' ||
-            jsonData.Header.StatusCode == '201 Created') { // probably a command acknowledgement
+   else if (jsonData.Header.StatusCode == statusCodeNoContent ||
+            jsonData.Header.StatusCode == statusCodeCreated) { // probably a command acknowledgement
+       if (jsonData.Header.StatusCode == statusCodeNoContent &&
+           jsonData.Header.Url == communiqueBridgeButtonGroupsRequestUrl) {
+           // no buttons configured with bridge, close the loop
+           this._logger.info('Lutron Bridge %s button groups request: nothing received', this.bridgeID);
+           this._bridgeAnnounceAllDeviceInfoIsAvailable();
+           return;
+       }
        this._logger.debug(msgStringData);
        this._expectResponse(-1);
        return;
@@ -1065,7 +1072,7 @@ Bridge.prototype._telnetHandler = function(telnetInSessionCallback) {
                        }
                        // listen for a release event on this button; note that an event is created per-button
                        picoEvents.on(myPicoID, function(picoNextID, picoButtonNextOp, forcedrelease) {
-                           if (picoButtonNextOp == BUTTON_OP_RELEASE) { // released
+                           if (picoButtonNextOp == BUTTON_OP_RELEASE) { // released
                                var nextPicoActive = picoActive[picoNextID];
                                nextPicoActive.timerQuash();
                                var elapsed = nextPicoActive.elapsed();
@@ -1741,3 +1748,11 @@ Bridge.prototype.buttonRemoteSetMode = function(deviceSN, picoModeMap, picoPushT
    if (typeof cb === 'function')
        cb(error);
 }
+Bridge.prototype._bridgeAnnounceAllDeviceInfoIsAvailable = function() {
+   // we've got all the device info available; tell the listener(s)
+   this._bridgeEvents.emit(BE_GOTBUTTONGROUPS, this.bridgeIX);
+   this._bridgeEvents.emit(BE_GOTDEVICES, this.bridgeIX, this._updatedDevices);
+
+   if (this._dReqDeviceListCallback.length)
+       this._dReqDeviceListCallback.shift()(this.bridgeIX);
+}