单片机课程设计交通灯控制系统设计

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problems that cannot be ignored. Some leaders unwilling to do masses work, masses concept weak, on masses feelings not deep, pendulum not are with masses of relationship, think masses work is revolutionary war era of things, now obsolete has, buried business work, ignored masses work of situation compared General; some leaders not do masses work, old method regardless of with, new not with, not understand masses psychological, not understand masses wishes, not said masses language, work method simple stiff, caused masses of conflict and antipathy; some leaders can't do masses work, Faced with a lot of contradictions among the people worry about fear, panic set in encounter group events, and some are even mismanaged, inflame, so work has suffered heavy losses, and so on. These problems we are soberly aware, enhancing the party's ruling capability, the maintenance and development of the party's advanced nature and purity, and to enhance the ability of partcommittees and leading cadres are good people. Attach great importance to and is good at doing mass work, has become the new urgent situation strengthening the party's governing capacity-building tasks. Combined practice of maintaining flesh-and-blood ties with the masses, urged the broad masses of party members and cadres, especially all levels ... Processing to improve as a guide to the country. \d is summed up these new things, be promoted. \d manifestation of the Deng Xiaoping's mass. Deng also put people \happy\omise\point and destination of developing guidelines, policies, and as the only standard for measuring compliance with the wishes of the masses of the people. Under the guidance of Deng Xiaoping theory, Central Government adopted a series of important measures to strengthen links with the masses. In December 1989, the CPC Central Committemade on adhering to and perfecting the system of multi-party cooperation and political consultation under the leadership of the Chinese Communist Party, closely for CPC and the democratic parties and the relationship between the part of the masses that they contact, effectively carrying out the mass line, played a positive role. In March 1990, the 13 plenary session adopted the decision on strengthening contacts with the masses of the Party noted that \nd developed in the long struggle of the party's mass line, is to realize the party's ideological line, the fundamental political and organizational work route\can always maintain flesh-and-blood ties and development of the masses, is directly related to the rise and fall of the rise and fall of the party and State. In September 1994, 14 adopted by the plenary session of the Party on strengthening decision on several major issues of party building. The requirements of the decision of the party's leading bodies and leading cadres should develop a democratic style of work, come from the masses, to the masses, together, stick to the mass line. Party of 13 session four in the plenary yihou, to Jiang comrade for core of party

湘潭大学

专业课程设计说明书

f third generation Central led collective, banner Deng Xiao-ping's theory great flag, insisted liberation thought, and facts, and times, in both at home and abroad politithe masses. \d:\construction, only the understanding, support and participation of the people, people's enthusiasm and creativity into full play in cadres, consider contacting their small departments, within a small circle of people, or contact individual owners, the entrepreneur, is the masses, this idea is obviously doing mass work, the party members and cadres, will be in a passive position. The third characteristic of the masses题目：基于单片机的交通灯控制设计院（系）：兴湘学院专业：学号：

姓名：何源指导教师：李卫

完成日期： 2014年2月28 日

sk, severe test before, relies on party and people, defended China features Socialist, created socialist market new system, created full open new situation, advance party of construction new of great engineering, founded \e a representative\nt thought, Continue to steer the ship of reform and opening up forward on the right. Comrade Jiang Zemin said: \ngthening and improving the party's mass work in the new situation, it is of decisive significance to consolidating the ruling Foundation of the party. \ough our party and some of the world's major lessons learned from the success of the old party of the party, Comrade Jiang Zemin pointed out:\biggest political advantage of our party is in close contact with the masses, the most dangerous after the ruling party was divorced from p of the party, only the tie and win the masses embraced, can be consolidated and strengthened. \out that strengthening and improving the party's work style construction, maintaining the party's flesh-and-blood ties with the masses is the core problem, the key is to do solid work, implement, resolutely oppose and overcome formalism. Comrade Jiang Zemin stressed that all the work and policies of the party, are in compliance with the fundamental interests of the overwhelming majority of the people to the highest degree, to the majority of people are not satisfied with the fundamental guidelines, strive to make our workers, farmers, intellectuals and other people enjoy ... Single, everyone seemed to know. But well known does not mean perfect. Some party members and leading, people should have three characteristics. First, the people should be the most social, is a Department within the scope of the majority. Specific to the party and Government departments, especially the cadres working in the Central and State organs, mass is the 1.3 billion Chinese people, work for the party members and cadres, masses are the land within the jurisdiction of the common people. The second characteristic of the masses, is that we have common interests. Masses are manifestations of each specific people, but the crowd is a comprehensive political concept, refers to people with common political and economic interests in the period of social transformation, social differentiation between the interests of the masses is large, if you do not find the interest in

cal storm, and economic riorder to advance; the leadershinot correct. The Communist Party of Chinaproblems that cannot be ignored. Some leaders unwilling to do masses work, masses concept weak, on masses feelings not deep, pendulum not are with masses of relationship, think masses work is revolutionary war era of things, now obsolete has, buried business work, ignored masses work of situation compared General; some leaders not do masses work, old method regardless of with, new not with, not understand masses psychological, not understand masses wishes, not said masses language, work method simple stiff, caused masses of conflict and antipathy; some leaders can't do masses work, Faced with a lot of contradictions among the people worry about fear, panic set in encounter group events, and some are even mismanaged, inflame, so work has suffered heavy losses, and so on. These problems we are soberly aware, enhancing the party's ruling capability, the maintenance and development of the party's advanced nature and purity, and to enhance the ability of partcommittees and leading cadres are good people. Attach great importance to and is good at doing mass work, has become the new urgent situation strengthening the party's governing capacity-building tasks. Combined practice of maintaining flesh-and-blood ties with the masses, urged the broad masses of party members and cadres, especially all levels ... Processing to improve as a guide to the country. \d is summed up these new things, be promoted. \d manifestation of the Deng Xiaoping's mass. Deng also put people \happy\omise\point and destination of developing guidelines, policies, and as the only standard for measuring compliance with the wishes of the masses of the people. Under the guidance of Deng Xiaoping theory, Central Government adopted a series of important measures to strengthen links with the masses. In December 1989, the CPC Central Committemade on adhering to and perfecting the system of multi-party cooperation and political consultation under the leadership of the Chinese Communist Party, closely for CPC and the democratic parties and the relationship between the part of the masses that they contact, effectively carrying out the mass line, played a positive role. In March 1990, the 13 plenary session adopted the decision on strengthening contacts with the masses of the Party noted that \nd developed in the long struggle of the party's mass line, is to realize the party's ideological line, the fundamental political and organizational work route\can always maintain flesh-and-blood ties and development of the masses, is directly related to the rise and fall of the rise and fall of the party and State. In September 1994, 14 adopted by the plenary session of the Party on strengthening decision on several major issues of party building. The requirements of the decision of the party's leading bodies and leading cadres should develop a democratic style of work, come from the masses, to the masses, together, stick to the mass line. Party of 13 session four in the plenary yihou, to Jiang comrade for core of party

一、设计目的 …………………………………………………2 二、设计任务和要求 …………………………………………………2 三、设计原理分析 …………………………………………………2 四、硬件资源及其分配 …………………………………………………3 五．硬件图 …………………………………………………6 六、程序框图 …………………………………………………7 七、程序 …………………………………………………8

:八、调试运行 …………………………………………………13

九、仿真截图 …………………………………………………13 十、设计心得体会 …………………………………………………15 十一、参考文献 …………………………………………………17

一、设计目的

1、通过单片机课程设计，熟练掌握汇编语言的编程方法，将理论联系到实践中去，提高我们的动脑和动手的能力。

f third generation Central led collective, banner Deng Xiao-ping's theory great flag, insisted liberation thought, and facts, and times, in both at home and abroad political storm, and economic risk, severe test before, relies on party and people, defended China features Socialist, created socialist market new system, created full open new situation, advance party of construction new of great engineering, founded \e a representative\nt thought, Continue to steer the ship of reform and opening up forward on the right. Comrade Jiang Zemin said: \ngthening and improving the party's mass work in the new situation, it is of decisive significance to consolidating the ruling Foundation of the party. \ough our party and some of the world's major lessons learned from the success of the old party of the party, Comrade Jiang Zemin pointed out:\biggest political advantage of our party is in close contact with the masses, the most dangerous after the ruling party was divorced from the masses. \d:\construction, only the understanding, support and participation of the people, people's enthusiasm and creativity into full play in order to advance; the leadership of the party, only the tie and win the masses embraced, can be consolidated and strengthened. \out hat strengthening and improving the party's work style construction, maintaining the party's flesh-and-blood ties with the masses is the core problem, the key is to do solid work, implement, resolutely oppose and overcome formalism. Comrade Jiang Zemin stressed that all the work and policies of the party, are in compliance with the fundamental interests of the overwhelming majority of the people to the highest degree, to the majority of people are not satisfied with the fundamental guidelines, strive to make our workers, farmers, intellectuals and other people enjoy ... Single, everyone seemed to know. But well known does not mean perfect. Some party members and leadingcadres, consider contacting their small departments, within a small circle of people, or contact individual owners, the entrepreneur, is the masses, this idea is obviously not correct. The Communist Party of China, people should have three characteristics. First, the people should be the most social, is a Department within the scope of the majority. Specific to the party and Government departments, especially the cadres working in the Central and State organs, mass is the 1.3 billion Chinese people, work for the party members and cadres, masses are the land within the jurisdiction of the common people. The second characteristic of the masses, is that we have common interests. Masses are manifestations of each specific people, but the crowd is a comprehensive political concept, refers to people with common political and economic interests in the period of social transformation, social differentiation between the interests of the masses is large, if you do not find the interest in doing mass work, the party members and cadres, will be in a passive position. The third characteristic of the massesproblems that cannot be ignored. Some leaders unwilling to do masses work, masses concept weak, on masses feelings not deep, pendulum not are with masses of relationship, think masses work is revolutionary war era of things, now obsolete has, buried business work, ignored masses work of situation compared General; some leaders not do masses work, old method regardless of with, new not with, not understand masses psychological, not understand masses wishes, not said masses language, work method simple stiff, caused masses of conflict and antipathy; some leaders can't do masses work, Faced with a lot of contradictions among the people worry about fear, panic set in encounter group events, and some are even mismnaged, inflame, so work has suffered heavy losses, and so on. These problems we are soberly aware, enhancing the party's ruling capability, the maintenance and development of the party's advanced nature and purity, and to enhance the ability of party committees and leading cadres are good people. Attach great importance to and is good at doing mass work, has become the new urgent situation strengthening the party's governing capacity-building tasks. Combined practice of maintaining flesh-and-blood ties with the masses, urged the broad masses of party members and cadres, especially all levels ... Processing to improve as a guide to the country. \se new things, be promoted. \d manifestation of the Deng Xiaoping's mass. Deng also put people \s not support\not to agree\happy\omise\arting point and destination of developing guidelines, policies, and as the only standard for measuring compliance with the wishes of the masses of the people. Under the guidance of Deng Xiaoping theory, Central Government adopted a series of important measures to strengthen links with the masses. In December 1989, the CPC Central Committee made on adhering to and perfecting the system of multi-party cooperation and political consultation under the leadership of the Chinese Communist Party, closely for CPC and the democratic parties and the relationship between the part of the masses that they contact, effectively carrying out the mass line, played a positive role. In March 1990, the 13 plenary session adopted the decision on strengthening contacts with the masses of the Party noted that \nd developed in the long struggle of the party's mass line, is to realize the party's ideological line, the fundamental political and organizational work route\s maintain flesh-and-blood ties and development of the masses, is directly related to the rise and fall of the rise and fall of the party and State. In September 1994, 14 adopted by the plenary session of the Party on strengthening decision on several major issues of party building. The requirements of the decision of the party's leading bodies and leading cadreshould develop a democratic style of work, come from the masses, to the masses, together, stick to the mass line. Party of 13 session four in the plenary yihou, to Jiang comrade for core of party2、通过交通信号灯控制系统的设计，掌握定时/计数器及中断的使用方法，和简单程序的编写，最终提高我们的逻辑抽象能力。

二、设计任务和要求

任务：设计一个能够控制十二盏交通信号灯的模拟系统

要求：利用单片机的定时器定时，令十字路口的红绿灯交替点亮和熄灭，并用LED灯显示倒计时间。1、东西绿灯亮，南北红灯亮 2、黄灯亮 3、东西红灯亮，南北绿灯亮

三、设计原理分析

人行道人行道人行道1、首先了解实际交通灯的变化情况和规律。假设一个十字路口如上图所以，为东南西北走向。初始状态0：为东西绿灯亮，南北红灯亮；然后转状态1：东西绿灯亮黄灯亮，南北红灯亮黄灯亮；过后转状态2：东西红灯亮，南北绿灯亮；再转状态3：东西红灯亮黄灯亮，南北绿灯亮黄灯亮。一段时间后，又循环至状态0。中间可通过中断按钮产生中断，跳入中断程序执行中断。列出交通信号灯的状态表如下：（其中，1代表灯亮，0代表灯灭）北西南东人行道

状态 0 1 2 3 绿黄红 001101011100 1 1 0 0绿黄红 01010011 0 0 1 1绿黄红 01011100 1 1 0 0绿黄红 01010011 2、对于交通信号灯来说，应该有东西南北共四组灯，但由于同一道上的两组的信号灯的显示情况是相同的，所以只要用两组就行了，因此，采用单片机内部的I/O口上的P1口中的6个引脚即可来控制6个信号灯。

3、通过编写程序，实现对发光二极管的控制，来模拟交通信号灯的管理。每延时一段时间，灯的显示情况都会按交通灯的显示规律进行状态转换。

4、通过延时时间送显，可以在原有的交通信号灯系统的基础上，增添其倒计时

5．通过脉冲中断编写中断程序，可实现中断。

四、硬件资源及其分配

主要用到的硬件：P1口、P3口、LED数码管、LED发光二级管、定时器T0 硬件分配：

1、P1口：做为输出口，与发光二极管相连接，其状态及对应的十六进制值如下：方向状态 0 1 2 3

无 P1.7 P1.6 00000000 南北 P1.5 P1.4 P1.3 110001010011东西 P1.2 P1.1 P1.0 0 0 1 101011100 十六进制值 22H 33H 0CH 1EH 说明东西绿南北红东西绿黄全亮东西红南北绿东西红黄全亮 2、P3口中的P3.0(RXD)和P3.1(TXD)作特殊用途,数据(倒计时时间)从RXD端输入,TXD端输出。

3、LED发光二极管用来显示灯亮情况。 4、定时/计数器T0用来产生1秒的定时

5．Led显示器十位与p0相连接，个位与p2连接用来显示时间，下面是LED显示接口及原理。

1 LED是发光二极管的英文缩写，LED显示器是由发光二极管构成的，它在单片机中的应用非常普遍。通常所说的LED显示器由7个发光二极管组成，其排列形状如图所示。此外，显示器中还有一个圆点型发光二极管以dp表示，用于小数点表示。通过七个发光二极管亮暗的不同组合，可以显示多种数字、字母以及其它符号。LED显示中的发光二极管共有两种连接方法:

2 共阳极接法：把发光二极管的阳极连在一起构成公共阳极。使用时公共阳极接+5V。这样阴极端输入低电平的段发光二极管就导通点亮，而输入高电平的则不亮。

3共阴极接法：把发光二极管的阴极连在一起构成公共阴极。使用时公共阴极接地。这样阳极端输入高电平的段发光二极管就导通点亮，而输入低电平的则不亮。

4 控制数码管驱动级的控制电路有静态式和动态式两类： 5 静态驱动：它是指每个数码管都要用一个译码器译码驱动。

6动态驱动：它是所的数码管使用一个专门的译码驱动器，使各位数码管逐个轮流显示，它的扫描速度极快，因此显示效果与静态驱动相同。

7采用动态数码管显示，可以大幅度地降低硬件成本和电源的功耗，因为某一

f third generation Central led collective, banner Deng Xiao-ping's theory great flag, insisted liberation thought, and facts, and times, in both at home and abroad political storm, and economic risk, severe test before, relies on party and people, defended China features Socialist, created socialist market new system, created full open new situation, advance party of construction new of great engineering, founded \e a representative\nt thought, Continue to steer the ship of reform and opening up forward on the right. Comrade Jiang Zemin said: \ngthening and improving the party's mass work in the new situation, it is of decisive significance to consolidating the ruling Foundation of the party. \ough our party and some of the world's major lessons learned from the success of the old party of the party, Comrade Jiang Zemin pointed out:\biggest political advantage of our party is in close contact with the masses, the most dangerous after the ruling party was divorced from the masses. \d:\construction, only the understanding, support and participation of the people, people's enthusiasm and creativity into full play in order to advance; the leadership of the party, only the tie and win the masses embraced, can be consolidated and strengthened. \out hat strengthening and improving the party's work style construction, maintaining the party's flesh-and-blood ties with the masses is the core problem, the key is to do solid work, implement, resolutely oppose and overcome formalism. Comrade Jiang Zemin stressed that all the work and policies of the party, are in compliance with the fundamental interests of the overwhelming majority of the people to the highest degree, to the majority of people are not satisfied with the fundamental guidelines, strive to make our workers, farmers, intellectuals and other people enjoy ... Single, everyone seemed to know. But well known does not mean perfect. Some party members and leadingcadres, consider contacting their small departments, within a small circle of people, or contact individual owners, the entrepreneur, is the masses, this idea is obviously not correct. The Communist Party of China, people should have three characteristics. First, the people should be the most social, is a Department within the scope of the majority. Specific to the party and Government departments, especially the cadres working in the Central and State organs, mass is the 1.3 billion Chinese people, work for the party members and cadres, masses are the land within the jurisdiction of the common people. The second characteristic of the masses, is that we have common interests. Masses are manifestations of each specific people, but the crowd is a comprehensive political concept, refers to people with common political and economic interests in the period of social transformation, social differentiation between the interests of the masses is large, if you do not find the interest in doing mass work, the party members and cadres, will be in a passive position. The third characteristic of the massesproblems that cannot be ignored. Some leaders unwilling to do masses work, masses concept weak, on masses feelings not deep, pendulum not are with masses of relationship, think masses work is revolutionary war era of things, now obsolete has, buried business work, ignored masses work of situation compared General; some leaders not do masses work, old method regardless of with, new not with, not understand masses psychological, not understand masses wishes, not said masses language, work method simple stiff, caused masses of conflict and antipathy; some leaders can't do masses work, Faced with a lot of contradictions among the people worry about fear, panic set in encounter group events, and some are even mismnaged, inflame, so work has suffered heavy losses, and so on. These problems we are soberly aware, enhancing the party's ruling capability, the maintenance and development of the party's advanced nature and purity, and to enhance the ability of party committees and leading cadres are good people. Attach great importance to and is good at doing mass work, has become the new urgent situation strengthening the party's governing capacity-building tasks. Combined practice of maintaining flesh-and-blood ties with the masses, urged the broad masses of party members and cadres, especially all levels ... Processing to improve as a guide to the country. \se new things, be promoted. \d manifestation of the Deng Xiaoping's mass. Deng also put people \s not support\not to agree\happy\omise\arting point and destination of developing guidelines, policies, and as the only standard for measuring compliance with the wishes of the masses of the people. Under the guidance of Deng Xiaoping theory, Central Government adopted a series of important measures to strengthen links with the masses. In December 1989, the CPC Central Committee made on adhering to and perfecting the system of multi-party cooperation and political consultation under the leadership of the Chinese Communist Party, closely for CPC and the democratic parties and the relationship between the part of the masses that they contact, effectively carrying out the mass line, played a positive role. In March 1990, the 13 plenary session adopted the decision on strengthening contacts with the masses of the Party noted that \nd developed in the long struggle of the party's mass line, is to realize the party's ideological line, the fundamental political and organizational work route\s maintain flesh-and-blood ties and development of the masses, is directly related to the rise and fall of the rise and fall of the party and State. In September 1994, 14 adopted by the plenary session of the Party on strengthening decision on several major issues of party building. The requirements of the decision of the party's leading bodies and leading cadreshould develop a democratic style of work, come from the masses, to the masses, together, stick to the mass line. Party of 13 session four in the plenary yihou, to Jiang comrade for core of party时刻只有一个数码管工作，就是所谓的分时显示，显示所需要的硬件电路可分时复用。

共阴极共阳极脚

如表1为共阳极与共阴极的代码表

表1 十六进制数字形代码表

符号与引cal advantage of our party is in close contact with the masses, the most dangerous after the ruling party was divorced from ople enjoy ... Single, everyone seemed to know. But well known does not mean perfect. Some party members and leading differentiation between the interests of the masses is large, if you do not find the interest in politillectuals and other pes in the period of social transformation, social

字型共阳极代码共阴极代码字型 0 1 2 3 4 5 6 7 8 C0H F9H A4H B0H 99H 92H 82H F8H 80H 3FH 06H 5BH 4FH 66H 6DH 7DH 07H 7FH 9 A B C D E F 灭共阳极代码共阴极代码 90H 88H 83H C6H A1H 86H 8EH FFH 6FH 77H 7CH 39H 5EH 79H 71H 00H

五．硬件图

六、程序框图 1、主程序框图

2. 中断服务程序框图

中断响应设置中断返回地址返回

七、程序 #include

f third generation Central led collective, banner Deng Xiao-ping's theory great flag, insisted liberation thought, and facts, and times, in both at home and abroad political storm, and economic risk, severe test before, relies on party and people, defended China features Socialist, created socialist market new system, created full open new situation, advance party of construction new of great engineering, founded \e a representative\nt thought, Continue to steer the ship of reform and opening up forward on the right. Comrade Jiang Zemin said: \ngthening and improving the party's mass work in the new situation, it is of decisive significance to consolidating the ruling Foundation of the party. \ough our party and some of the world's major lessons learned from the success of the old party of the party, Comrade Jiang Zemin pointed out:\biggest political advantage of our party is in close contact with the masses, the most dangerous after the ruling party was divorced from the masses. \d:\construction, only the understanding, support and participation of the people, people's enthusiasm and creativity into full play in order to advance; the leadership of the party, only the tie and win the masses embraced, can be consolidated and strengthened. \out hat strengthening and improving the party's work style construction, maintaining the party's flesh-and-blood ties with the masses is the core problem, the key is to do solid work, implement, resolutely oppose and overcome formalism. Comrade Jiang Zemin stressed that all the work and policies of the party, are in compliance with the fundamental interests of the overwhelming majority of the people to the highest degree, to the majority of people are not satisfied with the fundamental guidelines, strive to make our workers, farmers, intellectuals and other people enjoy ... Single, everyone seemed to know. But well known does not mean perfect. Some party members and leadingcadres, consider contacting their small departments, within a small circle of people, or contact individual owners, the entrepreneur, is the masses, this idea is obviously not correct. The Communist Party of China, people should have three characteristics. First, the people should be the most social, is a Department within the scope of the majority. Specific to the party and Government departments, especially the cadres working in the Central and State organs, mass is the 1.3 billion Chinese people, work for the party members and cadres, masses are the land within the jurisdiction of the common people. The second characteristic of the masses, is that we have common interests. Masses are manifestations of each specific people, but the crowd is a comprehensive political concept, refers to people with common political and economic interests in the period of social transformation, social differentiation between the interests of the masses is large, if you do not find the interest in doing mass work, the party members and cadres, will be in a passive position. The third characteristic of the massesproblems that cannot be ignored. Some leaders unwilling to do masses work, masses concept weak, on masses feelings not deep, pendulum not are with masses of relationship, think masses work is revolutionary war era of things, now obsolete has, buried business work, ignored masses work of situation compared General; some leaders not do masses work, old method regardless of with, new not with, not understand masses psychological, not understand masses wishes, not said masses language, work method simple stiff, caused masses of conflict and antipathy; some leaders can't do masses work, Faced with a lot of contradictions among the people worry about fear, panic set in encounter group events, and some are even mismnaged, inflame, so work has suffered heavy losses, and so on. These problems we are soberly aware, enhancing the party's ruling capability, the maintenance and development of the party's advanced nature and purity, and to enhance the ability of party committees and leading cadres are good people. Attach great importance to and is good at doing mass work, has become the new urgent situation strengthening the party's governing capacity-building tasks. Combined practice of maintaining flesh-and-blood ties with the masses, urged the broad masses of party members and cadres, especially all levels ... Processing to improve as a guide to the country. \se new things, be promoted. \d manifestation of the Deng Xiaoping's mass. Deng also put people \s not support\not to agree\happy\omise\arting point and destination of developing guidelines, policies, and as the only standard for measuring compliance with the wishes of the masses of the people. Under the guidance of Deng Xiaoping theory, Central Government adopted a series of important measures to strengthen links with the masses. In December 1989, the CPC Central Committee made on adhering to and perfecting the system of multi-party cooperation and political consultation under the leadership of the Chinese Communist Party, closely for CPC and the democratic parties and the relationship between the part of the masses that they contact, effectively carrying out the mass line, played a positive role. In March 1990, the 13 plenary session adopted the decision on strengthening contacts with the masses of the Party noted that \nd developed in the long struggle of the party's mass line, is to realize the party's ideological line, the fundamental political and organizational work route\s maintain flesh-and-blood ties and development of the masses, is directly related to the rise and fall of the rise and fall of the party and State. In September 1994, 14 adopted by the plenary session of the Party on strengthening decision on several major issues of party building. The requirements of the decision of the party's leading bodies and leading cadreshould develop a democratic style of work, come from the masses, to the masses, together, stick to the mass line. Party of 13 session four in the plenary yihou, to Jiang comrade for core of party#define port1 P0 #define port2 P2 sbit green1=P1^0; sbit red1=P1^1; sbit yellow1=P1^2; sbit green2=P1^3; sbit red2=P1^4; sbit yellow2=P1^5; unsigned char flag=0; unsigned char mun=30; unsigned char code

tab[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07, 0x7 F,0x6F}; void init_timer0(void) { }

TH0=(65536-50000)/256; TL0=(65536-50000)%6; ET0=1; EA=1; TR0=1;

- 9 -

void init(void) { }

void main() {

init(); while(1) { do {

display(mun); green1=1; red1=0; green2=0; P1=0x00; init_timer0(); unsigned char m,n; m=x/10; n=x; port1=tab[m]; port2=tab[n];

problems that cannot be ignored. Some leaders unwilling to do masses work, masses concept weak, on masses feelings not deep, pendulum not are with masses of relationship, think masses work is revolutionary war era of things, now obsolete has, buried business work, ignored masses work of situation compared General; some leaders not do masses work, old method regardless of with, new not with, not understand masses psychological, not understand masses wishes, not said masses language, work method simple stiff, caused masses of conflict and antipathy; some leaders can't do masses work, Faced with a lot of contradictions among the people worry about fear, panic set in encounter group events, and some are even mismnaged, inflame, so work has suffered heavy losses, and so on. These problems we are soberly aware, enhancing the party's ruling capability, the maintenance and development of the party's advanced nature and purity, and to enhance the ability of party committees and leading cadres are good people. Attach great importance to and is good at doing mass work, has become the new urgent situation strengthening the party's governing capacity-building tasks. Combined practice of maintaining flesh-and-blood ties with the masses, urged the broad masses of party members and cadres, especially all levels ... Processing to improve as a guide to the country. \se new things, be promoted. \d manifestation of the Deng Xiaoping's mass. Deng also put people \s not support\not to agree\happy\omise\arting point and destination of developing guidelines, policies, and as the only standard for measuring compliance with the wishes of the masses of the people. Under the guidance of Deng Xiaoping theory, Central Government adopted a series of important measures to strengthen links with the masses. In December 1989, the CPC Central Committee made on adhering to and perfecting the system of multi-party cooperation and political consultation under the leadership of the Chinese Communist Party, closely for CPC and the democratic parties and the relationship between the part of the masses that they contact, effectively carrying out the mass line, played a positive role. In March 1990, the 13 plenary session adopted the decision on strengthening contacts with the masses of the Party noted that \nd developed in the long struggle of the party's mass line, is to realize the party's ideological line, the fundamental political and organizational work route\s maintain flesh-and-blood ties and development of the masses, is directly related to the rise and fall of the rise and fall of the party and State. In September 1994, 14 adopted by the plenary session of the Party on strengthening decision on several major issues of party building. The requirements of the decision of the party's leading bodies and leading cadreshould develop a democratic style of work, come from the masses, to the masses, together, stick to the mass line. Party of 13 session four in the plenary yihou, to Jiang comrade for core of party red2=1; }

while(mun!=3); do {

if(mun==3) { yellow1=1; yellow2=1;

}

display(mun); }

while(mun!=0); if(mun==0) { mun=30; yellow1=0;

yellow2=0;

}

{

of reform and opening up forward on the right. Comrade Jiang Zemin said: \ngthening and improving the party's mass work in the new situation, it is of decisive significance to consolidating the ruling Foundation of the party. \hrough our party and some of the world's major lessons learned from the success of the old party of the party, Comrade Jiang Zemin pointed out:\political advantage of our party is in close contact with the masses, the most dangerous after the ruling party was divorced from do solid work, implement, resolutely oppose and overcome formalism. Comrade Jiang Zemin stressed that all the work and policies of the party, are in compliance with the fundamental interests of the overwhelming majority of the people to the highest degree, to the majority of people are not satisfied with the fundamental guidelines, strive to make our workers, farmers, intellectuals and other people enjoy ... Single, everyone seemed to know. But well known does not mean perfect. Some party members and leading s the 1.3 billion Chinese people, work for the party members and cadres, masses are the land within the jurisdiction of the common people. The second characteristic of the masses, is that we have common interests. Masses are manifestations of each specific people, but the crowd is a comprehensive political concept, refers to people with common political and economic interests in the period of social transformation, social differentiation between the interests of the masses is large, if you do not find the interest in - 11 -

nue to steer the ship core problem, the key is to ns, mass iproblems that cannot be ignored. Some leaders unwilling to do masses work, masses concept weak, on masses feelings not deep, pendulum not are with masses of relationship, think masses work is revolutionary war era of things, now obsolete has, buried business work, ignored masses work of situation compared General; some leaders not do masses work, old method regardless of with, new not with, not understand masses psychological, not understand masses wishes, not said masses language, work method simple stiff, caused masses of conflict and antipathy; some leaders can't do masses work, Faced with a lot of contradictions among the people worry about fear, panic set in encounter group events, and some are even mismanaged, inflame, so work has suffered heavy losses, and so on. These problems we are soberly aware, enhancing the party's ruling capability, the maintenance and development of the party's advanced nature and purity, and to enhance the ability of partcommittees and leading cadres are good people. Attach great importance to and is good at doing mass work, has become the new urgent situation strengthening the party's governing capacity-building tasks. Combined practice of maintaining flesh-and-blood ties with the masses, urged the broad masses of party members and cadres, especially all levels ... Processing to improve as a guide to the country. \d is summed up these new things, be promoted. \d manifestation of the Deng Xiaoping's mass. Deng also put people \happy\omise\point and destination of developing guidelines, policies, and as the only standard for measuring compliance with the wishes of the masses of the people. Under the guidance of Deng Xiaoping theory, Central Government adopted a series of important measures to strengthen links with the masses. In December 1989, the CPC Central Committemade on adhering to and perfecting the system of multi-party cooperation and political consultation under the leadership of the Chinese Communist Party, closely for CPC and the democratic parties and the relationship between the part of the masses that they contact, effectively carrying out the mass line, played a positive role. In March 1990, the 13 plenary session adopted the decision on strengthening contacts with the masses of the Party noted that \nd developed in the long struggle of the party's mass line, is to realize the party's ideological line, the fundamental political and organizational work route\can always maintain flesh-and-blood ties and development of the masses, is directly related to the rise and fall of the rise and fall of the party and State. In September 1994, 14 adopted by the plenary session of the Party on strengthening decision on several major issues of party building. The requirements of the decision of the party's leading bodies and leading cadres should develop a democratic style of work, come from the masses, to the masses, together, stick to the mass line. Party of 13 session four in the plenary yihou, to Jiang comrade for core of party

display(mun); green1=0; red1=1; green2=1; red2=0; }

while(mun!=3); do {

if(mun==3) {

yellow1=1; yellow2=1;

};

display(mun); }while(mun!=0);

if(mun==0) { }

mun=30; yellow1=0; yellow2=0;

}

void timer(void) interrupt 1 using 1 { }:

八、调试运行

1、接硬件图接线，为了确保东西南北红黄绿灯能够对应显示，实验时，对P1口的接线做了调整。即，P1.0接绿灯,P1.1接黄灯,P1.2接红灯,P1.3接绿灯,P1.4

doing mass work, the party members and cadres, will be in a passive position. The third characteristic of the masses - 13 -

2、从0100H单元开始连续运行，观察六个LED灯是否与交通显示情况对应，如果有偏差，则单步运行或断点运行，进行调试，直至满足设计要求。

3、调试完灯的显示后，从0100H开始连续运行，观察数码管显示的是否正常，如果不正常，则运用单步运行或断点运行进行分析和调试，直至满足要求。 4、整体运行，观察灯显示和时间显示是否都符合要求，如果不符合，则再调试。直至满足要求。

九、仿真截图

十、设计心得体会

单片机课程设计很快就结束了，在课程设计的这段时间里，我不仅学到了

以前我们学的东西仅限于课本，对实实在在的应用还比较模糊，这次课程设计有利于同学们学习目的的明确性和主动性。通过这次课程设计，我们知道了哪些东西是应该确实掌握的，在学校里，没有实实在在的实习，我们总以为学的东西没太多用，当我们在课程设计过程中了解到我们学的东西是如此重要时，我们学习的积极性有了，目的性提高了。

通过单片机课程设计，我不仅加深了对单片机理论的理解，将理论很好地应用到实际当中去，而且我还学会了如何去培养我们的创新精神，从而不断地战胜自己，超越自己。创新，是要我们学会将理论很好地联系实际，并不断地去开动自己的大脑，从为人类造福的意愿出发，做自己力所能及的，别人却没想到的事。使之不断地战胜别人，超越前人。同时，更重要的是，我在这一设计过程中，学会了坚持不懈，不轻易言弃。设计过程，也好比是我们人类成长的历程，常有一些不如意，也许这就是在对我们提出了挑战，勇敢过，也战胜了，胜利的钟声也就一定会为我们而敲响。

这个设计过程中，我们遇到过许多次失败的考验，就比如，自己对实际生活中的交通秩序的不了解给整个设计带来的困扰，真想要就此罢休，然而，就在想要放弃的那一刻，我们明白了，原来结果并不那么重要，我们更应该注重的是这一整个过程。于是，我们坚持了下来。当然最终，这个设计很成功，主要体现在，这一整个系统，几乎没有课本以外的参考书，程序由我们自己独立完成，制作的交通灯控制系统程序简单易读，结构清楚，最重要的是成本低。在设计一个系统，除了达到所要求的性能指标以外，成本也是很重要的一个指标。成本的高低也决定了产品的适用性。

在这次单片机课程设计中，我主要负责软件编写和仿真的调试，在这次课程设计中，让我懂得了团队协作重要，在一个工程中一个团队精神是必不可少，在这里我要感谢老师对我们指导和我们团队的另外三个同学帮助。

1 张毅刚.彭喜元编著.单片机原理与应用设计.北京.电子工业出版社,2008.4 2 余锡存,曹国华编著.单片机微机原理及接口技术[M].西安电子科技竖版社,2000.12.14

3 何立民.单片机应用技术大全.北京航空航天大学出版社,1994 4 谭浩强.单片机课程设计.清华大学出版社,1989

nue to steer the ship core problem, the key is to ns, mass i

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