本项目专注于设计并实现一种基于FPGA技术的最小频移键控（MSK）调制解调器。该系统通过优化硬件资源利用，提高了通信效率和稳定性，在无线通信领域有着广泛的应用前景。
architecture behav of codesdect is
signal m : integer range 0 to 3;
signal sdata : std_logic_vector(2 downto 0);
begin
cdata <= wavenum;
process(clk, clr)
begin
if clr = 1 then
m <= 0;
elsif clkevent and clk = 1 then
case m is
when 0 => if datain = cdata (2) then m <= 1; else m <= 0 ; end if;
...
when 2 => if datain = cdata (0) then m <= 3; else m <= 0 ; end if;
when others => m <= 0;
end case;
end if;
end process;
end behav;
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