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Speaker 的代码
speaker.acf
--
-- Copyright (C) 1988-2000 Altera Corporation
-- Any megafunction design, and related net list (encrypted or decrypted),
-- support information, device programming or simulation file, and any
speaker.vhd
library ieee;
use ieee.std_logic_1164.all;
entity speaker is
port( botton : in std_logic;
speaker : out std_logic );
end speaker;
architecture func1 of speaker is
begin
speaker
speaker.fit
-- MAX+plus II Compiler Fit File
-- Version 10.0 9/14/2000
-- Compiled: 12/16/2003 11:48:41
-- Copyright (C) 1988-2000 Altera Corporation
-- Any megafunction design, and
speaker.vhd
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
ENTITY Speaker IS
PORT ( clk1 : IN STD_LOGIC;
Tone1 : IN INTEGER RANGE 0 TO 16#7FF#;
SpkS : OUT STD_LOGIC );
END;
A
speaker.lnp
"speaker.obj"
TO "speaker"
RAMSIZE(256)
speaker.c
#include
#include
#include
//说明：本实验是当串口接收到0xac后，蜂鸣器开始鸣叫，收到其它数据则停止鸣叫，串口的波特率是19200。
bit read_flag = 0;
void delay ();
void ISRSER() interrupt 4 using 3
{
uch