From b9544f98cd910848c7e1c32d53ffb26db75b0061 Mon Sep 17 00:00:00 2001
From: Philippe Coval <rzr@users.sf.net>
Date: Mon, 13 Jan 2020 16:57:14 +0100
Subject: [PATCH] example: Add ambientlight example using dh1750

Origin: https://github.com/tizenteam/node-i2c
Forwarded: https://github.com/kelly/node-i2c/pull/99
Change-Id: I2ea802fa46de654d3c45acd667afefb7ff88da76
Signed-off-by: Philippe Coval <rzr@users.sf.net>
---
 examples/ambientlight/ambientlight.coffee | 33 +++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 examples/ambientlight/ambientlight.coffee

diff --git a/examples/ambientlight/ambientlight.coffee b/examples/ambientlight/ambientlight.coffee
new file mode 100644
index 0000000..321df01
--- /dev/null
+++ b/examples/ambientlight/ambientlight.coffee
@@ -0,0 +1,33 @@
+# SPDX-License: BSD-3-Clause-Attribution
+# Info: https://github.com/abandonware/bh1750
+
+Wire          = require '../../main'
+
+GET = 0x10
+
+
+
+class Ambientlight
+
+  address: 0x23
+
+  constructor: (@address) ->
+    @wire = new Wire @address;
+
+  read: (callback) ->
+    setTimeout =>
+      @_read GET, 2, (err, buffer) ->
+        if not err
+          data = ((buffer[0] <<8) + buffer[1]) / 1.2;
+          callback null, data
+        else
+          callback err, null
+    , 200
+
+  _read: (cmd, length, callback) ->
+    @wire.readBytes cmd, length, callback
+
+sensor = new Ambientlight(0x23)
+sensor.read (err, data) ->
+  console.log data
+