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PROJ=demo
CONSTR=versa.lpf
TRELLIS?=/usr/share/trellis
all: ${PROJ}.bit
pattern.vh: make_14seg.py text.in
python3 make_14seg.py < text.in > pattern.vh
%.json: %.v pattern.vh
yosys -p "synth_ecp5 -top top -json $@" $<
%_out.config: %.json
nextpnr-ecp5 --json $< --lpf ${CONSTR} --textcfg $@ --um5g-45k --package CABGA381
%.bit: %_out.config
ecppack --svf-rowsize 100000 --svf ${PROJ}.svf $< $@
${PROJ}.svf: ${PROJ}.bit
prog: ${PROJ}.svf
openocd -f ${TRELLIS}/misc/openocd/ecp5-versa5g.cfg -c "transport select jtag; init; svf $<; exit"
clean:
rm -f *.bit *.svf *_out.config *.json pattern.vh
.PHONY: all prog clean
.PRECIOUS: ${PROJ}.json ${PROJ}_out.config
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