From 5f1b37dfab15a9134361a8a22ae60f508c027061 Mon Sep 17 00:00:00 2001
From: Philippe Coval <p.coval@samsung.com>
Date: Mon, 20 Aug 2018 18:37:01 +0200
Subject: [PATCH] iotjs: fallback to array

IoT.js is an alternate javascript runtime
powered by Jerryscript engine
(designed for contrainted devices).

Buffer/Arrays objects have limited API too,
so this extra test will make the code working on both runtime.

Change-Id: I73861a3fd47047fd5c8f9d3ab24cb6f46c4b37b4
Signed-off-by: Philippe Coval <p.coval@samsung.com>
---
 bh1750.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/bh1750.js b/bh1750.js
index bd038f4..bf21be0 100644
--- a/bh1750.js
+++ b/bh1750.js
@@ -25,8 +25,13 @@ BH1750.prototype.readLight = function (cb) {
                 console.error("error: I/O failure on BH1750 - command: ", self.options.command);
             return cb(err, null);
         }
-        var hi = res.readUInt8(0);
-        var lo = res.readUInt8(1);
+        var hi = res[0];
+        var lo = res[1];
+        if (Buffer.isBuffer(res)) {
+           hi = res.readUInt8(0);
+           lo = res.readUInt8(1);
+        }
+
         var lux = ((hi << 8) + lo)/1.2;
         if (self.options.command === 0x11) {
             lux = lux/2;