66 lines
2.3 KiB
Python
66 lines
2.3 KiB
Python
# *****************************************************************************
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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# details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, write to the Free Software Foundation, Inc.,
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# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# Module authors:
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# Markus Zolliker <markus.zolliker@psi.ch>
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# *****************************************************************************
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"""iono pi max relais drums
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for demo purposes
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"""
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from frappy.core import Module, Attached, FloatRange, StringType, Writable, Parameter
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class Drums(Writable):
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target = Parameter('drum speed', FloatRange(unit='beats/min'))
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left = Attached(Writable)
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right = Attached(Writable)
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pollinterval = Parameter('drum interval', FloatRange(0, 10, unit='s'), readonly=False)
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pattern = Parameter('''pattern
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a string containing:
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L,R: left / right relais on
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l,r: left / right relais off
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blank: wait''', StringType(), readonly=False)
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_pos = 0
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_wait = 0
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def initModule(self):
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super().initModule()
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self.actions = {'L': self.left, 'R': self.right}
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def write_target(self, target):
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self.pollinterval = 60 / max(1, target)
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self.value = target
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def doPoll(self):
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if not self.target:
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return
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if self._wait:
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self._wait -= 1
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return
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if self._pos >= len(self.pattern):
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self._pos = 0
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for i, action in enumerate(self.pattern[self._pos:]):
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upper = action.upper()
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relais = self.actions.get(upper)
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if relais:
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relais.write_target(upper == action) # True when capital letter
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else:
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self._wait = int(action) - 1
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self._pos += i + 1
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return
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