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minor cleanup

This commit is contained in:
Sebastien Bourdeauducq 2019-03-25 23:41:22 +08:00
parent e047e69f78
commit 7bac1cd3ef
1 changed files with 2 additions and 3 deletions
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5
examples/helloworld.py
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@ -5,8 +5,7 @@ from heavycomps import uart
class Top: class Top:
def __init__(self, clk_freq=156e6, baudrate=115200): def __init__(self, baudrate=115200):
self.clk_freq = clk_freq
self.baudrate = baudrate self.baudrate = baudrate
self.clk156_p = Signal() self.clk156_p = Signal()
self.clk156_n = Signal() self.clk156_n = Signal()
@ -25,7 +24,7 @@ class Top:
init=[ord(c) for c in string]) init=[ord(c) for c in string])
m.submodules.rdport = rdport = mem.read_port(synchronous=False) m.submodules.rdport = rdport = mem.read_port(synchronous=False)
tx = uart.RS232TX(round(2**32*self.baudrate/self.clk_freq)) tx = uart.RS232TX(round(2**32*self.baudrate/156e6))
m.submodules.tx = tx m.submodules.tx = tx
m.d.comb += [ m.d.comb += [
tx.stb.eq(1), tx.stb.eq(1),