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65 lines
1.5 KiB
65 lines
1.5 KiB
7 years ago
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import gex
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from gex.Client import EventReport
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CMD_READ = 0
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CMD_SET_BIN_THR = 1
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CMD_DISABLE_ALL_REPORTS = 2
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CMD_GET_CH_COUNT = 10
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class TOUCH(gex.Unit):
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"""
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Touch sensing
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"""
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def _init(self):
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self._handlers = {}
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def _type(self):
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return 'TOUCH'
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def read(self):
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""" Read raw values """
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msg = self._query(CMD_READ)
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pp = gex.PayloadParser(msg)
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items = []
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while pp.length() > 0:
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items.append(pp.u16())
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return items
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def set_button_thresholds(self, thresholds, confirm=True):
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""" Set binary report thresholds """
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pb = gex.PayloadBuilder()
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for t in thresholds:
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pb.u16(t)
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self._send(CMD_SET_BIN_THR, pb.close(), confirm=confirm)
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def disable_button_mode(self, confirm=True):
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""" Disable all button reports by clearing the thresholds """
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self._send(CMD_DISABLE_ALL_REPORTS, confirm=confirm)
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def get_channel_count(self, confirm=True):
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""" Read nbr of channels """
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resp = self._query(CMD_GET_CH_COUNT)
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pp = gex.PayloadParser(resp)
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return pp.u8()
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def listen(self, nb, handler):
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self._handlers[nb] = handler
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def _on_event(self, evt:EventReport):
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l = []
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pp = gex.PayloadParser(evt.payload)
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snap = pp.u32()
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changed = pp.u32()
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for i in range(0, 32):
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if changed & (1 << i):
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if i in self._handlers:
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self._handlers[i]((snap & (1 << i)) != 0, evt.timestamp)
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