From 7a24ee7027d93f24d3d63725f7e3c9c440a1f120 Mon Sep 17 00:00:00 2001
From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Sun, 9 Sep 2012 23:27:51 +0200
Subject: [PATCH] Wip de0_nano example

---
 examples/de0_nano/Makefile                  | 20 +++++++++++++------
 examples/de0_nano/constraints.py            | 22 ++++++++++++++++++---
 examples/de0_nano/{soc.qpf => de0_nano.qpf} |  0
 examples/de0_nano/top.py                    | 13 +++++++++++-
 4 files changed, 45 insertions(+), 10 deletions(-)
 rename examples/de0_nano/{soc.qpf => de0_nano.qpf} (100%)

diff --git a/examples/de0_nano/Makefile b/examples/de0_nano/Makefile
index 157f69b99..3cc7ceaa4 100644
--- a/examples/de0_nano/Makefile
+++ b/examples/de0_nano/Makefile
@@ -1,16 +1,24 @@
-PYTHON=
-
-all: build/soc.map
+PYTHON=c:\Python32\python
 
+all: build/de0_nano.sta
 # We need to change to the build directory because the Quartus tools
 # tend to dump a mess of various files in the current directory.
 
-build/soc.qsf:
+build/de0_nano.qsf:
 	$(PYTHON) build.py
 
-build/soc.map: build/soc.qsf
-	cp soc.qpf build/de0_nano.qpf
+build/de0_nano.map: build/de0_nano.qsf
+	cp de0_nano.qpf build/de0_nano.qpf
 	cd build && quartus_map de0_nano.qpf
+	
+build/de0_nano.fit: build/de0_nano.map
+	cd build && quartus_fit de0_nano.qpf
+
+build/de0_nano.asm: build/de0_nano.fit
+	cd build && quartus_asm de0_nano.qpf
+
+build/de0_nano.sta: build/de0_nano.asm
+	cd build && quartus_sta de0_nano.qpf
 
 clean:
 	rm -rf build/*
diff --git a/examples/de0_nano/constraints.py b/examples/de0_nano/constraints.py
index 97a8e87db..4f3285cd4 100644
--- a/examples/de0_nano/constraints.py
+++ b/examples/de0_nano/constraints.py
@@ -1,5 +1,5 @@
 class Constraints:
-	def __init__(self):
+	def __init__(self, in_clk, in_rst, spi2csr0, led0):
 		self.constraints = []
 		def add(signal, pin, vec=-1, iostandard="3.3-V LVTTL", extra="", sch=""):
 			self.constraints.append((signal, vec, pin, iostandard, extra,sch))
@@ -9,7 +9,23 @@ class Constraints:
 			for p in pins:
 				add(signal, p, i, iostandard, extra)
 				i += 1
-	
+		# sys_clk
+		add(in_clk,  "R8")	# CLOCK_50
+		
+		# sys_rst
+		add(in_rst,  "J15")	# KEY[0]			
+				
+		# spi2csr0 
+		add(spi2csr0.spi_clk,  "A14")		#GPIO_2[0]
+		add(spi2csr0.spi_cs_n, "B16")		#GPIO_2[1]
+		add(spi2csr0.spi_mosi, "C14")		#GPIO_2[2]
+		add(spi2csr0.spi_miso, "C16")		#GPIO_2[3]
+		
+		# led0
+		add_vec(led0, 	["A15", "A13", "B13", "A11",
+					 "D1" , "F3" , "B1" , "L3"])
+
+		
 	def get_ios(self):
 		return set([c[0] for c in self.constraints])
 		
@@ -32,7 +48,7 @@ class Constraints:
 		r += """
 set_global_assignment -name FAMILY "Cyclone IV E"
 set_global_assignment -name DEVICE EP4CE22F17C6
-set_global_assignment -name TOP_LEVEL_ENTITY "soc"
+set_global_assignment -name TOP_LEVEL_ENTITY "de0_nano"
 set_global_assignment -name DEVICE_FILTER_PACKAGE FPGA
 set_global_assignment -name DEVICE_FILTER_PIN_COUNT 256
 set_global_assignment -name DEVICE_FILTER_SPEED_GRADE 6
diff --git a/examples/de0_nano/soc.qpf b/examples/de0_nano/de0_nano.qpf
similarity index 100%
rename from examples/de0_nano/soc.qpf
rename to examples/de0_nano/de0_nano.qpf
diff --git a/examples/de0_nano/top.py b/examples/de0_nano/top.py
index 02a65238a..e37422bac 100644
--- a/examples/de0_nano/top.py
+++ b/examples/de0_nano/top.py
@@ -105,6 +105,13 @@ def get():
 		sig_gen.eq(sig_gen+1)
 	]
 	
+	# Led
+	led0 = Signal(BV(8))
+	comb += [
+		led0.eq(control_reg0.field.r[:8])
+	]
+	
+	
 	# Dat / Trig Bus
 	comb += [
 		trigger0.in_trig.eq(sig_gen),
@@ -119,12 +126,16 @@ def get():
 	
 
 	# HouseKeeping
+	in_clk = Signal()
+	in_rst = Signal()
 	frag = autofragment.from_local()
 	frag += Fragment(sync=sync,comb=comb)
-	cst = Constraints()
+	cst = Constraints(in_clk, in_rst, spi2csr0, led0)
 	src_verilog, vns = verilog.convert(frag,
 		cst.get_ios(),
 		name="de0_nano",
+		clk_signal = in_clk,
+		rst_signal = in_rst,
 		return_ns=True)
 	src_qsf = cst.get_qsf(vns)
 	return (src_verilog, src_qsf)
\ No newline at end of file