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UART 的代码
uart3.c
/*********************************************************************
Author : ADI - Apps www.analog.com/MicroConverter
Date : Sept. 2005
File : UART3.
uart_tb.v
// hds_header_start
//
// Module UART_TXT.uart_tb.rtl
//
// Created:
// by - user.group (host.domain)
// at - 18:51:35 28 Aug 2001
//
// Generated by Mentor Graphics' HDL Des
s_uart.c
#include "s_uart.h"
#include "init.h"
#include "stdio.h"
sbit WDT=0x90^4; //P1.4
void sputch(char ch);
char sgetch(void);
void sputs(char code *str);
void main()
{
code char HEX[]="0
h_uart.src
; H_UART.SRC generated from: H_UART.C
$NOMOD51
NAME H_UART
P0 DATA 080H
P1 DATA 090H
P2 DATA 0A0H
P3 DATA 0B0H
T0 BIT 0B0H.4
AC BIT 0D0H.6
T1 BIT 0B0H.5
EA BIT 0A8H.7
IE DATA 0A8H
RD
s_uart.h
#include "REG51.h"
//-----------------------------------------------------------
#define BAUD_RATE 2400
//#define BAUD_RATE 1200
#define RELOAD(TIMER,SVALUE) TIMER+=SVALUE+1
sbit tTXD=P3^7;
sb
uart_core.vhd
-- 库声明
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use WORK.UART_PACKAGE.all;
entity uart_core is
generic (
-- 数据位个数
DATA_BIT : integer := 8;
-- 总数据个数
TOTAL_BIT : integer := 10;
-- 奇偶
uart_top.jhd
MODULE uart_top
SUBMODULE baudrate_generator
SUBMODULE counter
SUBMODULE detector
SUBMODULE parity_verifier
SUBMODULE shift_register
SUBMODULE switch
SUBMODULE switch_bus
uart_package.vhd
-- 库声明
library IEEE;
use IEEE.STD_LOGIC_1164.all;
-- 包声明
PACKAGE UART_PACKAGE IS
-- 信号监测器状态
type dt_state is
(
dt_unlock, -- 未锁定状态
dt_lock -- 锁定状态
);
-- UART状态
type UART_