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67 lines
1.9 KiB
67 lines
1.9 KiB
import gex
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CMD_WRITE = 0
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CMD_SET = 1
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CMD_CLEAR = 2
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CMD_TOGGLE = 3
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CMD_PULSE = 4
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class DOut(gex.Unit):
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"""
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Digital output 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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calling the "set" function with a word 0b111 will set all three to 1,
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0b100 will set only C6.
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"""
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def _type(self):
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return 'DO'
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def write(self, pins:int, confirm=True):
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""" Set pins to a value - packed, as int """
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pb = gex.PayloadBuilder()
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pb.u16(pins)
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self._send(CMD_WRITE, pb.close(), confirm=confirm)
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def set(self, pins=1, confirm=True):
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""" Set pins high - packed, int or list """
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pb = gex.PayloadBuilder()
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pb.u16(self.pins2int(pins))
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self._send(CMD_SET, pb.close(), confirm=confirm)
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def clear(self, pins=1, confirm=True):
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""" Set pins low - packed, int or list """
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pb = gex.PayloadBuilder()
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pb.u16(self.pins2int(pins))
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self._send(CMD_CLEAR, pb.close(), confirm=confirm)
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def toggle(self, pins=1, confirm=True):
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""" Toggle pins - packed, int or list """
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pb = gex.PayloadBuilder()
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pb.u16(self.pins2int(pins))
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self._send(CMD_TOGGLE, pb.close(), confirm=confirm)
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def pulse_ms(self, ms, pins=0b01, active=True, confirm=True):
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""" Send a pulse with length 1-65535 ms on selected pins """
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pb = gex.PayloadBuilder()
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pb.u16(self.pins2int(pins))
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pb.bool(active)
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pb.bool(False)
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pb.u16(ms)
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self._send(CMD_PULSE, pb.close(), confirm=confirm)
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def pulse_us(self, us, pins=1, active=True, confirm=True):
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""" Send a pulse of 1-999 us on selected pins """
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pb = gex.PayloadBuilder()
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pb.u16(self.pins2int(pins))
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pb.bool(active)
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pb.bool(True)
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pb.u16(us)
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self._send(CMD_PULSE, pb.close(), confirm=confirm)
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