From d1aa47ebca8e0eb40d7ee22fea609dfa507b6f70 Mon Sep 17 00:00:00 2001
From: Walter Bender <walter.bender@gmail.com>
Date: Fri, 28 Oct 2011 11:27:23 +0000
Subject: sensors example revisted

---
(limited to 'pysamples/sensors.py')

diff --git a/pysamples/sensors.py b/pysamples/sensors.py
new file mode 100644
index 0000000..b05b6c7
--- /dev/null
+++ b/pysamples/sensors.py
@@ -0,0 +1,33 @@
+#Copyright (c) 2010-11, Walter Bender, Tony Forster
+#
+# This Python block returns with the brightness sensor value in the heap
+# a range of parameters can be measured, for example, substitute any of
+# these strings for the string in the program below.
+#
+# /sys/devices/platform/olpc-battery.0/power_supply/olpc-battery/current_now
+# /sys/devices/platform/olpc-battery.0/power_supply/olpc-battery/voltage_now
+# /sys/devices/platform/dcon/backlight/dcon-bl/actual_brightness
+
+
+def myblock(tw, x):  # ignores second argument
+    import os
+
+    # The light sensor is only available on the XO 1.75
+    device = '/sys/devices/platform/olpc-ols.0/power_state'
+
+    if os.path.exists(device):
+        fh = open(device)
+        string = fh.read()
+        fh.close()
+        tw.lc.heap.append(float(string))  # append as a float value to the heap
+    else:
+        tw.lc.heap.append(-1)
+
+# If you can work out how to use them...
+# accelerometer: /dev/input/event0 ???
+# power button: /dev/input/event1
+# lid switch: /dev/input/event2
+# ebook: /dev/input/event3
+# headphone jack: /dev/input/event7
+# microphone jack: /dev/input/event8
+# rotate, cursor, and game pad keys: /dev/input/event10
--
cgit v0.9.1