Commits

Fabian Affolter  committed 7b0c658

Inital commit of a dimmer script

  • Participants
  • Parent commits f4ff826

Comments (0)

Files changed (1)

File examples/dimmer.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
+
+# Time (approx. seconds) to get to the maximum/minimum
+DURATION = 5
+# Numbers of steps to get to the maximum/minimum
+STEPS = 10 
+
+# 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'
+
+# Creates a new board 
+board = pyfirmata.Arduino(PORT)
+print "Setting up the connection to the board ..."
+
+# Definition of the pin, one with PWM, marked as ~XX on the Arduino
+digital_0 = board.get_pin('d:11:p')
+
+# Waiting time between the 
+wait_time = DURATION/float(STEPS)
+
+# Note: Value range for PWM is 0.0 till 1.0
+
+# Up
+for i in range(1, STEPS + 1):
+    value = i/float(STEPS)
+    digital_0.write(value)
+    board.pass_time(wait_time)
+
+# Down
+increment = 1/float(STEPS)
+while STEPS > 0:
+    value = increment * STEPS
+    digital_0.write(value)
+    board.pass_time(wait_time)
+    STEPS = STEPS - 1
+
+board.exit()