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hdl.ast: update docs. NFC.

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whitequark 2019-09-21 06:53:13 +00:00
parent f6f0a7b692
commit a13a21cbd6
1 changed files with 8 additions and 8 deletions
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16
nmigen/hdl/ast.py
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@ -963,29 +963,29 @@ class Array(MutableSequence):
gpios = Array(Signal() for _ in range(10)) gpios = Array(Signal() for _ in range(10))
with m.If(bus.we): with m.If(bus.we):
m.d.sync += gpios[bus.adr].eq(bus.dat_w) m.d.sync += gpios[bus.addr].eq(bus.w_data)
with m.Else(): with m.Else():
m.d.sync += bus.dat_r.eq(gpios[bus.adr]) m.d.sync += bus.r_data.eq(gpios[bus.addr])
Multidimensional array:: Multidimensional array::
mult = Array(Array(x * y for y in range(10)) for x in range(10)) mult = Array(Array(x * y for y in range(10)) for x in range(10))
a = Signal(max=10) a = Signal.range(10)
b = Signal(max=10) b = Signal.range(10)
r = Signal(8) r = Signal(8)
m.d.comb += r.eq(mult[a][b]) m.d.comb += r.eq(mult[a][b])
Array of records:: Array of records::
layout = [ layout = [
("re", 1), ("r_data", 16),
("dat_r", 16), ("r_en", 1),
] ]
buses = Array(Record(layout) for busno in range(4)) buses = Array(Record(layout) for busno in range(4))
master = Record(layout) master = Record(layout)
m.d.comb += [ m.d.comb += [
buses[sel].re.eq(master.re), buses[sel].r_en.eq(master.r_en),
master.dat_r.eq(buses[sel].dat_r), master.r_data.eq(buses[sel].r_data),
] ]
""" """
def __init__(self, iterable=()): def __init__(self, iterable=()):