1 files changed, 43 insertions, 0 deletions
diff --git a/blink/Makefile b/blink/Makefile
new file mode 100644
index 0000000..ad38b9b
--- /dev/null
+++ b/blink/Makefile
@@ -0,0 +1,43 @@
+PROJ=blink
+
+# Add Windows and Unix support
+RM         = rm -rf
+COPY       = cp -a
+PATH_SEP   = /
+ifeq ($(OS),Windows_NT)
+# When SHELL=sh.exe and this actually exists, make will silently
+# switch to using that instead of cmd.exe.  Unfortunately, there's
+# no way to tell which environment we're running under without either
+# (1) printing out an error message, or (2) finding something that
+# works everywhere.
+# As a result, we force the shell to be cmd.exe, so it works both
+# under cygwin and normal Windows.
+SHELL      = cmd.exe
+COPY       = copy
+RM         = del
+PATH_SEP   = \\
+endif
+
+
+all: ${PROJ}.dfu
+
+dfu: ${PROJ}.dfu
+	dfu-util --alt 0 --download $< --reset
+
+%.json: %.v
+	yosys -p "read_verilog $<; synth_ecp5 -json $@"
+
+%_out.config: %.json
+	nextpnr-ecp5 --json $< --textcfg $@ --um5g-85k --speed 8 --package CABGA381 --lpf ButterStick_r1.0.pcf
+
+%.bit: %_out.config
+	ecppack --compress --freq 38.8 --input $< --bit $@
+
+%.dfu : %.bit
+	$(COPY) $< $@
+	dfu-suffix -v 1209 -p 5af1 -a $@
+
+clean:
+	$(RM) -f ${PROJ}.bit ${PROJ}_out.config ${PROJ}.json ${PROJ}.dfu
+
+.PHONY: prog clean