From c7e2b0c43ee615a611b48c6e910771a6d458dae7 Mon Sep 17 00:00:00 2001 From: Florent Kermarrec Date: Wed, 12 Sep 2012 22:20:07 +0200 Subject: [PATCH] examples/de1: use of MigIo --- examples/de1/constraints.py | 5 ++++- examples/de1/top.py | 21 ++++++++++----------- 2 files changed, 14 insertions(+), 12 deletions(-) diff --git a/examples/de1/constraints.py b/examples/de1/constraints.py index 8c1f33ee..2e8d2ee3 100644 --- a/examples/de1/constraints.py +++ b/examples/de1/constraints.py @@ -1,5 +1,5 @@ class Constraints: - def __init__(self, in_clk, in_rst_n, spi2csr0, led0): + def __init__(self, in_clk, in_rst_n, spi2csr0, led0, sw0): self.constraints = [] def add(signal, pin, vec=-1, iostandard="3.3-V LVTTL", extra="", sch=""): self.constraints.append((signal, vec, pin, iostandard, extra,sch)) @@ -24,6 +24,9 @@ class Constraints: # led0 add_vec(led0, ["U22", "U21", "V22", "V21", "W22" , "W21" , "Y22" , "Y21"]) + # sw0 + add_vec(sw0, ["L22", "L21", "M22", "V12", + "W12" , "U12" , "U11" , "M2"]) def get_ios(self): return set([c[0] for c in self.constraints]) diff --git a/examples/de1/top.py b/examples/de1/top.py index 666e3111..e272edaf 100644 --- a/examples/de1/top.py +++ b/examples/de1/top.py @@ -42,7 +42,7 @@ from migen.bank.description import * import sys sys.path.append("../../") -from migScope import trigger, recorder +from migScope import trigger, recorder, migIo import spi2Csr from timings import * @@ -74,10 +74,8 @@ RECORDER_ADDR = 0x0400 #============================================================================== def get(): - # Control Reg - control_reg0 = RegisterField("control_reg0", 32, reset=0, access_dev=READ_ONLY) - regs = [control_reg0] - bank0 = csrgen.Bank(regs,address=CONTROL_ADDR) + # migIo + migIo0 = migIo.MigIo(8,"IO") # Trigger term0 = trigger.Term(trig_width) @@ -92,7 +90,7 @@ def get(): # Csr Interconnect csrcon0 = csr.Interconnect(spi2csr0.csr, [ - bank0.interface, + migIo0.bank.interface, trigger0.bank.interface, recorder0.bank.interface ]) @@ -107,10 +105,11 @@ def get(): # Led led0 = Signal(BV(8)) - comb += [ - led0.eq(control_reg0.field.r[:8]) - ] - + comb += [led0.eq(migIo0.o)] + + #Switch + sw0 = Signal(BV(8)) + comb += [migIo0.i.eq(sw0)] # Dat / Trig Bus @@ -135,7 +134,7 @@ def get(): ] frag = autofragment.from_local() frag += Fragment(sync=sync,comb=comb) - cst = Constraints(in_clk, in_rst_n, spi2csr0, led0) + cst = Constraints(in_clk, in_rst_n, spi2csr0, led0, sw0) src_verilog, vns = verilog.convert(frag, cst.get_ios(), name="de1", -- 2.30.2