def make_external(pos, direction='o', pin_extrude=1.5, **kwds):
if direction == 'o':
style = ('', bus_cap)
else:
style = (bus_cap, '')
return bus(pos,
poffx(echo.w() - pos - p(pin_extrude, 0)),
style=style,
**kwds)
functor['concat'] = comp("ccat", size=(4, 4)).right(functor['f1']).aligny(
functor['split'].p)
prod2split = bus(functor['split'].w(0.5) - p(4, 0), functor['split'].w(0.5))
fig << prod2split
fig << bus_text("(u16, u16)").align(prod2split.pos(0.5), prev().s(0.5, 0.2))
for i in range(2):
conn = bus(functor['split'].e(i * 2 + 1),
functor[f'f{i+1}'].w(0.5) - (2, 0),
functor[f'f{i+1}'].w(0.5),
routedef='-|')
fig << bus_text("u16").align(conn.pos(0), prev().s(-0.4, 0.1))
fig << conn
conn = bus(functor[f'f{i+1}'].e(0.5),
functor[f'f{i+1}'].e(0.5) + (2, 0),
functor['concat'].w(i * 2 + 1),
routedef='|-')
fig << bus_text("u17").align(conn.pos(1), prev().s(1.4, 0.1))
fig << conn
con2cons = bus(functor['concat'].e(0.5), poffx(4))
fig << con2cons
fig << bus_text("(u17, u17)").align(con2cons.pos(0.5), prev().s(0.5, 0.2))
fig << functor
# render_fig(fig)
shorten=p(0.2, 0.2),
line_width=0.3,
border_width=0.06,
double=True)
bus_text = text(font="\\footnotesize", margin=p(0.5, 0.35))
gear = block(size=p(6, 4), nodesep=p(2, 2))
fig['drv'] = gear('drv', size=p(6, 2))
fig['riscv'] = gear('riscv').right(fig['drv'], 3)
fig['register_file'] = gear('register_file').below(fig['riscv'])
fig << bus(fig['drv'].e(1), fig['riscv'].w(1))
fig << bus_text("instruction").align(fig[-1].pos(0), prev().s())
fig << bus(
fig['riscv'].e(1), poffx(7), fig['register_file'].e(3), routedef='|-')
fig << bus_text("reg_file_rd_req").align(fig[-1].pos(0), prev().s())
fig << bus(
fig['riscv'].e(3), poffx(5), fig['register_file'].e(1), routedef='|-')
fig << bus_text("reg_file_wr_req").align(fig[-1].pos(0), prev().s())
fig << bus(
fig['register_file'].w(0.5), poffx(-3), fig['riscv'].w(3), routedef='|-')
fig << bus_text("reg_rd_data").align(fig[-1].pos(1.0), prev().s(1.1))
fig << text(
r"\textasciitilde", font="\\Huge").align(fig[-1].s(0.54),
prev().n(0.5))
fig << text(
r"\textasciitilde", font="\\Huge").align(fig[-2].s(0.54),
functor = part("stereo_echo")
functor['split'] = comp("Split", size=(4, 6))
functor['f1'] = comp("echo", size=(4, 4)).right(functor['split']).aligny(
functor['split'].w(2),
prev().s(0))
functor['f2'] = comp("echo", size=(4, 4)).below(functor['f1'])
functor['concat'] = comp("Concat", size=(4, 6)).right(functor['f1']).aligny(
functor['split'].p)
producer = comp("Producer").left(functor['split'],
1).aligny(functor['split'].e(0.5),
prev().e(0.5))
prod2split = bus(functor['split'].w(0.5), poffx(-6), style=(bus_cap, None))
fig << prod2split
fig << bus_text("(i16, i16)").align(prod2split.pos(0.9), prev().s(0, 0.2))
for i in range(2):
conn = bus(functor['split'].e(i * 4 + 1),
functor[f'f{i+1}'].w(0.5) - (2, 0),
functor[f'f{i+1}'].w(0.5),
routedef='-|')
fig << bus_text("i16").align(conn.pos(0), prev().s(-0.4, 0.1))
fig << conn
conn = bus(functor[f'f{i+1}'].e(0.5),
functor[f'f{i+1}'].e(0.5) + (2, 0),
functor['concat'].w(i * 4 + 1),
routedef='|-')
shorten=p(0.2, 0.2),
routedef='|-')
echo['prefill'] = block("prefill", size=p(5, 4)).left(echo['decouple'], 2)
echo += bus(echo['decouple'].w(0.5), echo['prefill'].e(0.5))
echo['mul'] = mul_block().align(echo['prefill'].w(0.5) - p(4, 0), cur().e(0.5))
echo += bus(echo['prefill'].w(0.5), echo['mul'].e(0.5))
echo += bus_text("feedback").align(echo[-1].pos(0), prev().s(1.0))
echo += bus(echo['mul'].w(0.5), echo['add'].s(0.5), routedef='-|')
echo += bus(echo['mul'].s(0.5),
poffy(2),
poffx(-6.5),
routedef='-|',
style=(bus_cap, None))
echo += bus_text("feedback_gain").align(echo[-1].pos(1), prev().s())
fig << make_external(echo['add'].w(0.5), direction='i')
fig << bus_text("samples").aligny(echo['add'].w(0.5),
prev().s()).alignx(echo.w(),
prev().s())
fig << echo
fig << bus(echo['add'].e(0.5), echo['decouple'].n(1.0) + p(4.5, -2))
fig << bus_text("dout").aligny(fig[-1][1],
prev().s()).alignx(echo.e(),