Initial arduino plugin implementation

1 files changed, 74 insertions, 0 deletions

diff --git a/plugins/arduino/arduino_plugin.py b/plugins/arduino/arduino_plugin.py
new file mode 100644
index 0000000..3babe66
--- /dev/null
+++ b/plugins/arduino/arduino_plugin.py
@@ -0,0 +1,74 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2011 Rafael Ortiz rafael@activitycentral.com 
+# Arduino plugin for TurtleArt http://wiki.sugarlabs.org/go/Activities/TurtleArt
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+                           
+#Imports for TA plugins
+from TurtleArt.tapalette import make_palette, palette_name_to_index
+from TurtleArt.talogo import primitive_dictionary
+from TurtleArt.taconstants import BLACK, WHITE, CONSTANTS, BOX_COLORS
+from TurtleArt.tautils import debug_output
+
+from gettext import gettext as _
+
+# Arduino Setup
+import firmata
+
+class TAArduino(object):
+        def __init__(self, dev='/dev/ttyUSB0', baud=115200):
+                object.__init__(self)
+                self._dev = dev
+                self._baud = baud
+                self._arduino = None # Do not initialize this now
+
+                self.HIGH = firmata.HIGH
+                self.LOW = firmata.LOW
+                self.INPUT = firmata.INPUT
+                self.OUTPUT = firmata.OUTPUT
+                self.PWM = firmata.PWM
+                self.SERVO = firmata.SERVO
+
+        def _check_init(self):
+                if self._arduino is None:
+                        self._arduino = firmata.Arduino(port = self._dev, \
+                        baudrate=self._baud)
+                self._arduino.parse()        
+                
+        def delay(self, secs):
+         # Do not use this. The firmata module uses time.sleep() to
+         # implement this, which breaks gtk+ (unresponsive window)
+                self._check_init()
+                self._arduino.delay(secs)
+
+        def pin_mode(self, pin, mode):
+                self._check_init()
+                self._arduino.pin_mode(int(pin), mode)
+
+        def analog_write(self, pin, value):
+                self._check_init()
+                self._arduino.analog_write(int(pin), int(value))
+
+        def digital_write(self, pin, value):
+                self._check_init()
+                self._arduino.digital_write(int(pin), value)
+
+        def analog_read(self, pin):
+                self._check_init()
+                self._arduino.parse()  #XXX: Not sure why I have to do this here.
+                return self._arduino.analog_read(int(pin))
+
+        def digital_read(self, pin):
+                self._check_init()
+                return self._arduino.digital_read(int(pin))