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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
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