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資源簡介

采用MAX7219并行顯示時(shí)間及設(shè)定的交通燈控制系統(tǒng)。包括兩種中斷源應(yīng)用及串口通信。-The MAX7219 parallel display time and set of traffic light control system. Including two interrupt source application and serial interface communication.

資源截圖

代碼片段和文件信息

#include//頭文件

/***********************?定義MAX7219?內(nèi)部寄存器?**********************/
#define?REG_DECODE????????0x09????????????//?譯碼方式寄存器
#define?REG_INTENSITY?????0x0a????????????//?亮度寄存器
#define?REG_SCAN_LIMIT????0x0b????????????//?掃描界限寄存器
#define?REG_SHUTDOWN??????0x0c????????????//?停機(jī)寄存器
#define?REG_DISPLAY_TEST??0x0f????????????//?顯示測試寄存器
#define?INTENSITY_MIN?????0x00????????????//?最小顯示亮度
#define?INTENSITY_MAX?????0x0f????????????//?最大顯示亮度

/***********************?定義各路交通燈信號(hào)?************************/
sbit???ALG??=??P1^2;//??A路左轉(zhuǎn)綠燈
sbit???ALR??=??P1^0;//??A路左轉(zhuǎn)紅燈
sbit???ALY??=??P1^1;//??A路左轉(zhuǎn)黃燈
sbit???ASG??=??P1^5;//??A路直行綠燈
sbit???ASR??=??P1^3;//??A路直行紅燈
sbit???ASY??=??P1^4;//??A路直行黃燈
sbit???BLG??=??P2^0;//??B路左轉(zhuǎn)綠燈
sbit???BLR??=??P1^6;//??B路左轉(zhuǎn)紅燈
sbit???BLY??=??P1^7;//??B路左轉(zhuǎn)黃燈
sbit???BSG??=??P2^3;//??B路直行綠燈
sbit???BSR??=??P2^1;//??B路直行紅燈
sbit???BSY??=??P2^2;//??B路直行黃燈

/***********************?定義MAX7219?端口信號(hào)?************************/
sbit???DATA?=??P2^5;
sbit???LOAD?=??P2^6;
sbit???CLK??=??P2^7;


/***********************?定義設(shè)定按鍵?端口信號(hào)?************************/

sbit?next_switch?=?P0^5;
sbit?add_switch?=??P0^6;
sbit?sub_switch?=??P0^7;

/***********************?時(shí)間及顯示全局變量?************************/
int?aashigeshi1ge1temp1;
int?p=0;
int?set1=10;
int?set2=5;
int?flag?=?0;

int?gt[4]?=?{14131211};



/*數(shù)碼管顯示0-9AL*/
unsigned?char?table[]={0x7e0x300x6d0x790x330x5b0x5f0x700x7f0x7b0x770x0e};

unsigned?char?table0[]={0x000x010x020x030x040x050x060x070x08};


/*子函數(shù)聲明*/
void??delay(int?z);//延遲
void??xtimer0();//定時(shí)中斷
void??xtimer1();
void??check();
void??step1();
void??step2();
void??step3();
void??step4();
void??step5();
void??step6();
void??step7();
void??step8();
void??step9();

void??xint0();
void??xint1();
void??A_S_G();
void??B_S_G();

int?judge_key();
void?set_led_time();

static?void?Write?(unsigned?char?reg_number?unsigned?char?dataout);//向指定的MAX7219內(nèi)部寄存器寫入數(shù)據(jù)
static?void?SendByte?(unsigned?char?dataout);//向MAX7219發(fā)送一個(gè)字節(jié)串行數(shù)據(jù)
static?unsigned?char?LookupCode?(int?num);//查段碼表將顯示字符轉(zhuǎn)換為顯示段碼
static?unsigned?char?LookupNum?(int?num);
void?Init?(void);//對(duì)MAX7219進(jìn)行初始化,調(diào)用任何其他函數(shù)之前必需先調(diào)用此函數(shù)
void?ShutdownStart?(void);//進(jìn)入停機(jī)方式
void?ShutdownStop?(void);//結(jié)束停機(jī)方式
void?DisplayTestStart?(void);//啟動(dòng)顯示測試
void?DisplayTestStop?(void);//結(jié)束顯示測試
void?SetBrightness?(char?brightness);//設(shè)置LED顯示亮度亮度值(brightness?=?0-15)
void?Clear?(void);//關(guān)閉全部顯示器


void?display?(int?num0?int?num);//在指定數(shù)位上顯示字符
?????

/*主函數(shù)*/
void??main()
{
EA=1;//開中斷
EX0=1;//允許外部中斷INT0中斷
IT0=0;//定義INT0觸發(fā)方式
PX0=1;//中斷優(yōu)先級(jí)高
EX1=1;//允許外部中斷INT1中斷
IT1=0;//定義INT1觸發(fā)方式
PX1=1;//中斷優(yōu)先級(jí)高
check();//開機(jī)自檢
step1();//第1個(gè)狀態(tài)
P0=0xff;
?? while(1)
?? {
?? step2();//第2個(gè)狀態(tài)
? step3();//第3個(gè)狀態(tài)
? step4();//第4個(gè)狀態(tài)
? step5();//第5個(gè)狀態(tài)
step6();//第6個(gè)狀態(tài)
step7();//第7個(gè)狀態(tài)
step8();//第8個(gè)狀態(tài)
step9();//第9個(gè)狀態(tài)
?? }
}
void??check()//開機(jī)自檢子程序
{
ASG=1;
ALG=1;
ASR=1;
ALR=1;
ASY=1;

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件?????129372??2011-12-15?09:38??_gao\Last?Loaded?traffic.DBK

?????文件???????5115??2004-08-31?19:16??_gao\STARTUP.A51

?????文件??????11665??2011-12-15?11:13??_gao\STARTUP.lst

?????文件????????749??2011-12-15?11:13??_gao\STARTUP.OBJ

?????文件??????29011??2011-12-15?11:13??_gao\traffic

?????文件??????14505??2011-12-15?11:13??_gao\traffic.c

?????文件?????129372??2011-12-15?09:42??_gao\traffic.DSN

?????文件???????9205??2011-12-15?11:13??_gao\traffic.hex

?????文件??????35852??2011-12-15?11:13??_gao\traffic.LST

?????文件??????45162??2011-12-15?11:13??_gao\traffic.M51

?????文件??????35890??2011-12-15?11:13??_gao\traffic.OBJ

?????文件???????1395??2011-12-15?16:00??_gao\traffic.Opt

?????文件????????163??2011-12-15?16:00??_gao\traffic.plg

?????文件????????768??2011-12-15?16:00??_gao\traffic.PWI

?????文件???????2051??2011-12-14?12:39??_gao\traffic.Uv2

????.......??????1301??2011-12-15?11:12??_gao\traffic_Opt.Bak

????.......??????2076??2011-12-14?12:35??_gao\traffic_Uv2.Bak

?????文件????????326??2011-12-08?08:52??_gao\數(shù)碼管.txt

?????目錄??????????0??2011-12-15?16:00??_gao

-----------?---------??----------?-----??----

???????????????453978????????????????????19


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