Steward
分享是一種喜悅、更是一種幸福
微處理器 - Gowin GW1NSR-LV4CQN48PC6/I5 (Lichee Tang Nano 4K) - VHDL - LED
main.vhd
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | library ieee ; use ieee . std_logic_1164 . all; entity main is port ( clk : in std_logic ; led : out std_logic ); end main ; architecture logic of main is signal val : std_logic := '0' ; signal clk_cnt : integer := 0 ; begin process (clk) is begin if (clk 'event and clk = ' 1 ') then clk_cnt <= clk_cnt + 1 ; if (clk_cnt = 12000000 ) then clk_cnt <= 0 ; led <= val ; val <= not val ; end if ; end if ; end process ; end logic ; |
main.cst
IO_LOC "led" 10; IO_LOC "clk" 45;
Makefile
all: yosys -m ghdl -p "ghdl main.vhd -e main; synth_gowin -json main.json -top main" nextpnr-himbaechel --json main.json --write main.pack --device GW1NSR-LV4CQN48PC6/I5 --vopt cst=main.cst gowin_pack -d GW1NSR-LV4CQN48PC6/I5 -o main.fs main.pack ram: openFPGALoader -m -b tangnano20k main.fs flash: openFPGALoader -f -b tangnano20k main.fs clean: rm -f *.json *.fs *.pack
編譯、下載
$ make $ make ram
完成