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ad9910: add power down method
Signed-off-by: Robert Jördens <rj@quartiq.de>
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@ -165,6 +165,16 @@ class AD9910:
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return
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raise ValueError("PLL lock timeout")
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@kernel
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def power_down(self, bits=0b1111):
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"""Power down DDS.
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:param bits: power down bits, see datasheet
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"""
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self.write32(_AD9910_REG_CFR1, 0x00000002 | (bits << 4))
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delay(1*us)
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self.cpld.io_update.pulse(1*us)
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@kernel
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def set_mu(self, ftw, pow=0, asf=0x3fff):
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"""Set profile 0 data in machine units.
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