Fabian Affolter avatar Fabian Affolter committed 6509f2d

Initial commit of a digital-in script

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examples/digital-in.py

+# Copyright (c) 2012, Fabian Affolter <fabian@affolter-engineering.ch>
+#
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without 
+# modification, are permitted provided that the following conditions are met:
+#
+# * Redistributions of source code must retain the above copyright notice, this
+#   list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright notice,
+#   this list of conditions and the following disclaimer in the documentation
+#   and/or other materials provided with the distribution.
+# * Neither the name of the pyfirmata team nor the names of its contributors
+#   may be used to endorse or promote products derived from this software
+#   without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
+# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import pyfirmata
+
+# Adjust that the port match your system, see samples below:
+# On Linux: /dev/tty.usbserial-A6008rIF, /dev/ttyACM0, 
+# On Windows: \\.\COM1, \\.\COM2
+PORT = '/dev/ttyACM0'
+
+# Definition of the analog pin
+PINS = (0, 1, 2, 3)
+
+# Creates a new board 
+board = pyfirmata.Arduino(PORT)
+print "Setting up the connection to the board ..."
+
+# Setup the digital pin
+digital_0 = board.get_pin('d:6:i')
+it = pyfirmata.util.Iterator(board)
+it.start()
+digital_0.enable_reporting()
+
+while (True):
+    #print "Button state: %s" % digital_0.read()
+    # The return values are: True False, and None
+    if str(digital_0.read()) == 'True':
+        print "Button pressed"
+    elif str(digital_0.read()) == 'False':
+        print "Button not pressed"
+    else: 
+        print "Button was never pressed"
+    board.pass_time(0.5)
+
+board.exit()
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