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44 lines
1.1 KiB
44 lines
1.1 KiB
7 years ago
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import gex
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CMD_SET_FREQUENCY = 0
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CMD_SET_DUTY = 1
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CMD_STOP = 2
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CMD_START = 3
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class PWMDim(gex.Unit):
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"""
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Simple 4-channel PWM output with a common frequency
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"""
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def _type(self):
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return 'PWMDIM'
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def set_frequency(self, hertz:int, confirm=True):
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""" Set freq """
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pb = gex.PayloadBuilder()
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pb.u32(hertz)
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self._send(CMD_SET_FREQUENCY, pb.close(), confirm=confirm)
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def set_duty(self, duty_dict, confirm=True):
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""" Set duty (dict - number1234 -> duty 0-1000) """
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pb = gex.PayloadBuilder()
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for (k,v) in enumerate(duty_dict):
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pb.u8(k-1)
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pb.u16(v)
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self._send(CMD_SET_DUTY, pb.close(), confirm=confirm)
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def set_duty_single(self, ch1234, duty1000, confirm=True):
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""" Set duty of a single channel """
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pb = gex.PayloadBuilder()
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pb.u8(ch1234-1)
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pb.u16(duty1000)
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self._send(CMD_SET_DUTY, pb.close(), confirm=confirm)
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def stop(self, confirm=True):
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self._send(CMD_STOP, confirm=confirm)
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def start(self, confirm=True):
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self._send(CMD_START, confirm=confirm)
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