From 88f91de113c894173b1887f91cde52edc8ac50e2 Mon Sep 17 00:00:00 2001
From: David Shah <davey1576@gmail.com>
Date: Sat, 21 Oct 2017 19:14:06 +0100
Subject: Basic example, outputs work but inputs don't

---
 examples/up5k/.gitignore |  4 ++++
 examples/up5k/Makefile   | 36 ++++++++++++++++++++++++++++++++++++
 examples/up5k/example.v  | 10 ++++++++++
 examples/up5k/up5k.pcf   |  3 +++
 4 files changed, 53 insertions(+)
 create mode 100644 examples/up5k/.gitignore
 create mode 100644 examples/up5k/Makefile
 create mode 100644 examples/up5k/example.v
 create mode 100644 examples/up5k/up5k.pcf

(limited to 'examples')

diff --git a/examples/up5k/.gitignore b/examples/up5k/.gitignore
new file mode 100644
index 0000000..c1fa30b
--- /dev/null
+++ b/examples/up5k/.gitignore
@@ -0,0 +1,4 @@
+example.bin
+example.blif
+example.asc
+example.rpt
diff --git a/examples/up5k/Makefile b/examples/up5k/Makefile
new file mode 100644
index 0000000..ea16f06
--- /dev/null
+++ b/examples/up5k/Makefile
@@ -0,0 +1,36 @@
+PROJ = example
+PIN_DEF = up5k.pcf
+DEVICE = up5k
+# Relative paths for easier development without messing with installed version
+ARACHNE = ../../../arachne-pnr/bin/arachne-pnr
+ARACHNE_ARGS = -c ../../icebox/chipdb-5k.txt
+ICEPACK = ../../icepack/icepack
+ICETIME = ../../icetime/icetime
+ICEPROG = ../../iceprog/iceprog
+
+all: $(PROJ).bin
+
+%.blif: %.v
+	yosys -p 'synth_ice40 -top top -blif $@' $<
+
+%.asc: $(PIN_DEF) %.blif
+	$(ARACHNE) $(ARACHNE_ARGS) -d $(subst up,,$(subst hx,,$(subst lp,,$(DEVICE)))) -o $@ -p $^
+
+%.bin: %.asc
+	$(ICEPACK) $< $@
+
+%.rpt: %.asc
+	$(ICETIME) -d $(DEVICE) -mtr $@ $<
+
+prog: $(PROJ).bin
+	$(ICEPROG) -S $<
+
+sudo-prog: $(PROJ).bin
+	@echo 'Executing prog as root!!!'
+	sudo $(ICEPROG) -S $<
+
+clean:
+	rm -f $(PROJ).blif $(PROJ).asc $(PROJ).rpt $(PROJ).bin
+
+.SECONDARY:
+.PHONY: all prog clean
diff --git a/examples/up5k/example.v b/examples/up5k/example.v
new file mode 100644
index 0000000..01b76b8
--- /dev/null
+++ b/examples/up5k/example.v
@@ -0,0 +1,10 @@
+module top (
+	input  btn,
+	output LED0,
+	output LED1,
+);
+
+assign LED0 = !btn;
+assign LED1 = btn;
+
+endmodule
diff --git a/examples/up5k/up5k.pcf b/examples/up5k/up5k.pcf
new file mode 100644
index 0000000..b1d1263
--- /dev/null
+++ b/examples/up5k/up5k.pcf
@@ -0,0 +1,3 @@
+set_io LED0 12
+set_io LED1 21
+set_io btn 26
-- 
cgit v1.2.3