TARGET=blink

OBJS+=blink.v

all: ${TARGET}.bit

$(TARGET).json: $(OBJS)
	yosys -p "read_verilog $(OBJS); synth_ecp5 -top ${TARGET} -json $@"

$(TARGET).cfg: $(TARGET).json
	nextpnr-ecp5 --25k --package CABGA381 --speed 6 --json $< --textcfg $@ --lpf $(TARGET).lpf --freq 65

$(TARGET).bit: $(TARGET).cfg
	ecppack --svf ${TARGET}.svf $< $@

${TARGET}.svf : ${TARGET}.bit

prog: ${TARGET}.svf
	./dapprog blink.svf

flash: ${TARGET}.bit
	ecpdap flash write blink.bit

clean:
	rm -f *.svf *.bit *.config *.ys *.json

.PHONY: prog clean