all: leds.bin

# Synthesize
leds.json: leds.vhd
	yosys -m ghdl -p 'ghdl leds.vhd -e leds; synth_ice40 -json leds.json'

# Place and route
leds.asc: leds.json
	nextpnr-ice40 --up5k --pcf leds.pcf --json leds.json --asc leds.asc

# Bitstream generation
leds.bin: leds.asc
	icepack leds.asc leds.bin

# Configure the FPGA
prog: leds.bin
	iceprog leds.bin

# Clean:
clean:
	rm -f *.json *.asc *.bin

.PHONY: all prog clean