forked from M-Labs/artiq
qc2: DDS selection is active low
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82fdebde75
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094fc1cfd1
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@ -62,7 +62,10 @@ class AD9xxx(Module):
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self.comb += pads.rst.eq(gpio[0])
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else:
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self.comb += pads.rst_n.eq(~gpio[0])
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self.comb += pads.sel.eq(gpio[1:])
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if hasattr(pads, "sel"):
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self.comb += pads.sel.eq(gpio[1:])
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else:
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self.comb += pads.sel_n.eq(~gpio[1:])
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bus_r_gpio = Signal()
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self.comb += If(bus_r_gpio,
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@ -26,9 +26,9 @@ fmc_adapter_io = [
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"LPC:LA11_N LPC:LA12_N LPC:LA11_P LPC:LA12_P "
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"LPC:LA07_N LPC:LA08_N LPC:LA07_P LPC:LA08_P "
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"LPC:LA04_N LPC:LA03_N LPC:LA04_P LPC:LA03_P")),
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Subsignal("sel", Pins("LPC:LA24_N LPC:LA29_P LPC:LA28_P LPC:LA29_N "
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"LPC:LA28_N LPC:LA31_P LPC:LA30_P LPC:LA31_N "
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"LPC:LA30_N LPC:LA33_P LPC:LA33_N")),
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Subsignal("sel_n", Pins("LPC:LA24_N LPC:LA29_P LPC:LA28_P LPC:LA29_N "
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"LPC:LA28_N LPC:LA31_P LPC:LA30_P LPC:LA31_N "
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"LPC:LA30_N LPC:LA33_P LPC:LA33_N")),
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Subsignal("fud", Pins("LPC:LA21_N")),
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Subsignal("wr_n", Pins("LPC:LA24_P")),
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Subsignal("rd_n", Pins("LPC:LA25_N")),
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