From 7455cbe7a2355bcc2e0a0864d757900feb0d9bf3 Mon Sep 17 00:00:00 2001
From: Micah Elizabeth Scott <micah@scanlime.org>
Date: Mon, 22 Jul 2013 15:39:37 -0700
Subject: [PATCH] Basic USB example; currently displays random frames very
slowly
---
examples/usb-basic.py | 41 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 41 insertions(+)
create mode 100755 examples/usb-basic.py
diff --git a/examples/usb-basic.py b/examples/usb-basic.py
new file mode 100755
index 0000000..df1e312
--- /dev/null
+++ b/examples/usb-basic.py
@@ -0,0 +1,41 @@
+#!/usr/bin/env python
+#
+# Basic example for Fadecandy, talking directly to the
+# Teensy using PyUSB.
+#
+# Micah Elizabeth Scott
+# This example code is released into the public domain.
+#
+
+import usb.core
+import usb.util
+import random
+import time
+import binascii
+
+dev = usb.core.find(idVendor=0x1d50, idProduct=0x607a)
+if not dev:
+ raise IOError("No Fadecandy interfaces found")
+
+dev.set_configuration()
+
+print "Serial number: %s" % usb.util.get_string(dev, 255, dev.iSerialNumber)
+
+
+while True:
+
+ for index in range(25):
+ if index == 24:
+ # Final
+ control = index | 0x20
+ else:
+ control = index
+
+ data = chr(control) + ''.join(chr(random.randrange(256)) for i in range(63))
+ dev.write(1, data)
+ print binascii.b2a_hex(data)
+ time.sleep(0.1)
+
+ print
+ time.sleep(2)
+
--
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