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19 lines
443 B
19 lines
443 B
import gex
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class DIn(gex.Unit):
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"""
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Digital input port.
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Pins are represented by bits of a control word, right-aligned.
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For example, if pins C6, C5 and C0 are selected for the unit,
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the read word has the format (bits) |<C6><C5><C0>|
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"""
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def _type(self):
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return 'DI'
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def read(self):
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""" Read pins """
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msg = self._query(0x00)
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pp = gex.PayloadParser(msg)
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return pp.u16()
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