各位大神帮忙看看用的多大的晶振，。不胜感激！
#include <AT89X52.H>
//1,到计时管脚定义
//地址IO口定义
#define adr5 P0_0
#define adr4 P0_1
#define adr3 P0_2
#define adr2 P0_3
#define adr1 P0_4
unsigned char adr_self = 1;
void fun_adr(void);
//红灯检测
#define red_check P3_5
bit red_flag = 0;
void red_fun(void);
void red_show(void);
//绿灯检测
#define gree_check P3_4
bit gree_flag = 0;
void gree_fun(void);
void gree_show(void);
//黄灯检测
#define yellow_check P3_3
bit yellow_flag = 0;
void yellow_fun(void);
void yellow_show(void);
unsigned char copy_
time_r = 0;
unsigned char copy_time_g = 0;
unsigned char copy_time_y = 0;
//485收发控制
#define CON_485 P0_7
//喂看门狗
#define watch_dog P3_7
//显示个位
#define one_a P1_3 // P1_3
#define one_b P1_1 //P1_1
#define one_c P1_5 // P1_5
#define one_d P1_4//P1_4
#define one_e P1_6 //P1_6
#define one_f P1_7 // P1_7
#define one_g P1_2 //P1_2
//显示十位 J3
#define two_a P2_6
#define two_b P2_5
#define two_c P2_4
#define two_d P2_3
#define two_e P2_2
#define two_f P2_1
#define two_g P2_0
//绿灯共阳极
电源
#define gree_power P2_7
#define red_power P2_6
#define yelow_power P2_5
//波特率9600
#define Relaod_count 0xfa //239
int time1_counter = 0;
//共阳七段数码管0123456789
const unsigned char led_data[10] = {0x00,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F};//{0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F};
unsigned char address = 1;
//显示标志
unsigned char show_flag = 0;
unsigned char show_copy = 0;
unsigned char show_color = 0;
unsigned char adr_copy = 1;
#define true 1
#define faulse 0
#define begin_time 1
#define cycle 2
unsigned char cycle_counter = 0;
bit rx_ok = 0;
unsigned char rx_counter = 0;
unsigned char rx_buffer[50] = {0x5a,0x5a,0,0,0,0,0,0};
void system_initial(void);
void send_uart(unsigned char order);
void uart_interrupt_receive(void);
void receive_process(void);
//3，子程序
void disp_one(unsigned char order)
{
one_a = (led_data[order] & 0x01);
one_b = ((led_data[order] & 0x02)>>1);
one_c = ((led_data[order] & 0x04)>>2);
one_d = ((led_data[order] & 0x08)>>3);
one_e = ((led_data[order] & 0x10)>>4);
one_f = ((led_data[order] & 0x20)>>5);
one_g = ((led_data[order] & 0x40)>>6);
}
void disp_two(unsigned char order)
{
two_a = ((led_data[order] & 0x01));
two_b = ((led_data[order] & 0x02)>>1);
two_c = ((led_data[order] & 0x04)>>2);
two_d = ((led_data[order] & 0x08)>>3);
two_e = ((led_data[order] & 0x10)>>4);
two_f = ((led_data[order] & 0x20)>>5);
two_g = ((led_data[order] & 0x40)>>6);
}
//串口工作模式3，波特率9600，奇校验（enev）数据位8，停止为1
//scon SMO SM1 SM2 REN TB8 RB8 TI RI
//TMOD GATE C/T M1 M0 GATE C/T M1 M0
//PCON SMOD - - - GFI GFO FD IDL
//fb =
//
void system_initial(void)
{
SCON = 0Xd0;//1101 0000位可变拨特拨特率，方式3 11位异步收发
TMOD = 0X21;//设置定时器1位8位重装,定时器0为16位定时器
PCON &= 0x7f;//
TH0 = 0;
TL0 = 0;
ET0 = 1;
TR0 = 1;
TH1 = Relaod_count;
TL1 = Relaod_count;
TR1 = 1;//开定时器1
ES = 0;//BU允许串口中断
EA = 1;//开总中断
CON_485 = 0;
TXD = 1;
RXD = 1;
//关闭LED电源
red_power = 1;
gree_power = 1;
P1 =0X00;
P2 = 0Xff;
//disp_one(0x00);
//disp_two(0x00);
}
unsigned char show_time = 0;
unsigned char red_time = 0;
unsigned char red_counter = 38;
unsigned char gree_time = 0;
unsigned char gree_counter = 30;
unsigned char yellow_time = 0;
unsigned char yellow_counter = 3;
unsigned char gewei = 0;
unsigned char shiwei = 0;
unsigned char show_counter = 0;
unsigned char delay_begin = 0;
void time0(void) interrupt 1
{
if(++time1_counter > 20)//t = 8/12*0xffff/1000=98.3ms
{
time1_counter = 0;
watch_dog = ~watch_dog;
TXD = ~TXD;
}
show_time++;
if(show_time > 200)
{
delay_begin++;
show_time = 0;
if(red_flag == 1)
{
//red_time 红 {MOD}信号灯亮灯时间，每1秒加1
//red_counter 红 {MOD}信号灯亮灯时间备份。
red_time++;
if(red_counter > begin_time) red_counter--;
}
if(gree_flag == 1)
{
gree_time++;
if(gree_counter > begin_time) gree_counter--;
}
if(yellow_flag == 1)
{
yellow_time++;
if(yellow_counter > begin_time) yellow_counter--;
}
}
//1秒没有收到显示数据，关闭显示
if(show_flag == 1)
{
show_counter++;
if(show_counter > 30)
{
show_flag = 0;
show_counter = 0;
//red_power = 1;
//gree_power = 1;
}
}
TH0 = 0Xdb;//0x24;//24原来0XDB 0XD4. STC 软件算//定时器时钟12T模式 0x00 0xdc //定时器时钟12T模式
TL0 = 0XDc;//0x2b;
ET0 = 1;
TR0 = 1;
}
void send_uart(unsigned char order)
{
ES = 0;
TI = 0;
P = 0;
ACC = order;
TB8 = P;
SBUF = order;
while(TI == 0)
;
TI = 0;
ES = 1;
TXD = 1;
RXD = 1;
}
void uart_interrupt_receive(void) interrupt 4
{
unsigned char k = 0;
unsigned char jiaoyan = 0;
unsigned char tem = 0;
if(RI == 1)
{
RI = 0;
ACC = SBUF;
if(P == RB8) //奇校验
{
rx_buffer[rx_counter] = SBUF;
++rx_counter;
}
else
{
rx_counter=0;
rx_ok = 0;
}
if(rx_buffer[0] != 0x55)
{
rx_counter=0;
rx_ok = 0;
}
if((rx_buffer[1] != 0xff) && (rx_buffer[0] != 0x55))
{
rx_counter=0;
rx_ok = 0;
}
//if((rx_buffer[2] != 0x1) && (rx_buffer[0] != 0x55))
// {
// rx_counter=0;
// rx_ok = 0;
// }
if(rx_counter == (5+3*rx_buffer[3]))
{
rx_ok = 1;
rx_counter=0;
}
}
}
void delay_ms(unsigned int x)
{
unsigned int tem = 0;
unsigned char m = 0;
unsigned char n = 0;
for(tem = 0;tem < x;tem++)
{
for(m = 0;m < 10;m++)
{
for(n = 0;n < 100;n++)
;
}
}
}
void show_one_09(void)
{
unsigned char tem =0;
for (tem = 0;tem <10;tem++)
{
disp_one(tem);
delay_ms(1000);
}
}
void show_two_09(void)
{
unsigned char tem = 0;
for (tem = 0;tem < 10;tem++)
{
disp_two(tem);
delay_ms(1000);
}
}
void receive_process(void)
{
unsigned char tem = 0;
unsigned char copy_rx_buffer[]={0,0};
unsigned char tem_show = 0;
unsigned char tem_color = 0;
rx_ok = 0;
CON_485 = 1;
for (tem = 0;tem < (5+3*rx_buffer[3]);tem++)
{
send_uart(rx_buffer[tem]);
copy_rx_buffer[tem] = rx_buffer[tem];
}
delay_ms(2);
CON_485 = 0;
for(tem = 0;tem <copy_rx_buffer[3];tem++)
if((adr_self == rx_buffer[4+3*tem]))//是本机地址进入
{
tem_color = rx_buffer[5+3*tem];//显示颜 {MOD}
switch(tem_color)
{
case 1: gree_power = 0;
red_power = 1;
break;
case 2: red_power = 1;
break;
case 3: gree_power = 0;
red_power = 0;
break;
default:
gree_power = 1;
red_power = 1;
}
tem_show = rx_buffer[6+3*tem];
//防止1秒钟内收到同一数据，闪烁(只同一颜 {MOD}和时间)
if((show_copy != tem_show) || (show_color != tem_color))
{disp_two(tem_show);}
show_copy = tem_show;
show_color = tem_color;
//red_power = 0;
show_flag = 1;
show_counter = 0;
}
}
void fun_adr(void)
{
unsigned char tem = 0;
unsigned char iii = 0;
unsigned char nnn = 0;
for(iii = 0;iii < 20;iii++)
{
P2|= 0X1F;
tem = P2;
tem &= 0x1f;
if(iii == 0)
{
adr_self = tem;
}
else
{
if(tem == adr_self)
nnn = nnn+1;
}
}
if(nnn > 10)
adr_self = adr_self+1;
else
adr_self = 1;
}
////////////////////////////////
///////////////////////////////
void red_fun(void)
{
unsigned char tem = 0;
unsigned char v0 = 0;
red_check = 1;
for(tem = 0;tem < 100;tem++)
{
if(red_check == 0)
{
v0++;
}
red_check = 1;
//delay_ms(10);
}
if(v0 > 95)//亮红灯
{
red_flag = 1;
gree_power = faulse;
//黄灯结束，红灯开始
yellow_flag = 0;
if(yellow_time > begin_time)
{
yellow_counter = yellow_time;
show_time = 200;
TH0 = 0XFB;
TL0 = 0X00;
ET0 = 1;
TR0 = 1;
}
yellow_time = begin_time;
copy_time_y = begin_time;
///////////////////////////////
}
else
{/*
red_flag = 0;
if(red_time > 0)
red_counter = red_time;//红灯亮开始计时，红灯灭停止计时，计时完毕备份。
red_time = 0;
copy_time_r = 0;
*/
}
}
void gree_fun(void)
{
unsigned char tem = 0;
unsigned char v0 = 0;
gree_check = 1;
for(tem = 0;tem < 100;tem++)
{
if(gree_check == 0)
{
v0++;
}
gree_check = 1;
//delay_ms(10);
}
if(v0 > 95)
{
gree_flag = 1;
//红灯结束，绿灯开始
//关红灯
red_flag = 0;
if(red_time > begin_time)
{
red_counter = red_time;//红灯亮开始计时，红灯灭停止计时，计时完毕备份。
show_time = 200;
show_time = 200;
TH0 = 0XFB;
TL0 = 0X00;
ET0 = 1;
TR0 = 1;
}
red_time = begin_time;//-1,20150621改，倒计时从2直接到0 (原来in time -1
copy_time_r = begin_time-1;
}
else
{
/*
gree_flag = 0;
if(gree_time > 0)//绿灯计时最后3秒关断两次，闪烁提示
gree_counter = gree_time;
gree_time = 0;
copy_time_g = 0;
*/
}
}
void yellow_fun(void)
{
unsigned char tem = 0;
unsigned char v0 = 0;
yellow_check = 1;
for(tem = 0;tem < 100;tem++)
{
if(yellow_check == 0)
{
v0++;
}
yellow_check = 1;
//delay_ms(10);
}
if(v0 > 95)
{
yellow_flag = 1;
gree_power = true;
{//绿灯结束，黄灯开始
gree_flag = 0;
if(gree_time > begin_time)//绿灯计时最后3秒关断两次，闪烁提示
{//定时器对齐
gree_counter = gree_time;
show_time = 200;
show_time = 200;
TH0 = 0XFB;
TL0 = 0X00;
ET0 = 1;
TR0 = 1;
}
gree_time = begin_time;////-1,20150621改，倒计时从2直接到0
copy_time_g = begin_time-1;
///////////////////////////
}
}
else
{
/*
yellow_flag = 0;
if(yellow_time > 0)
yellow_counter = yellow_time;
yellow_time = 0;
*/
}
}
void red_show(void)
{
unsigned char tem = 0;
if(red_flag == 1)
{
if(red_counter > 99)
{
gewei = 9;
shiwei = 9;
}
else
{
gewei = (red_counter % 10);
shiwei = (red_counter / 10);
}
if(cycle_counter == 18)
cycle_counter = 19;
if(cycle_counter == 8)
cycle_counter = 9;
cycle_counter = 1;
if(cycle_counter == 3)
cycle_counter = 4;
if(cycle_counter == 5 ||cycle_counter == 10 ||cycle_counter == 21)
{
if(red_counter<=8)
{if(red_counter==1)
{disp_one(gewei);
delay_ms(2000);
red_counter=0;
P1=0x00;
}
disp_one(gewei);
}
else{P1=0x00;}
//disp_two(shiwei);
}
}
}
void gree_show(void)
{
unsigned char tem = 0;
if(gree_flag == 1)
{
if(gree_counter > 99)
{
gewei = 9;
shiwei = 9;
}
else
{
gewei = (gree_counter % 10);
shiwei = (gree_counter / 10);
}
if(cycle_counter == 19)
cycle_counter = 20;
if(cycle_counter == 0)
cycle_counter = 7;
if(cycle_counter == 9)
cycle_counter = 10;
if(cycle_counter == 1)
cycle_counter = 2;
if(cycle_counter == 4)
cycle_counter = 5;
if(cycle_counter == 5 ||cycle_counter == 10 ||cycle_counter == 21)
{ if(gree_counter<=8)
{ if(gree_counter==1)
{ disp_one(gewei);
delay_ms(2000);
gree_counter=0;
P1=0x00;
}
disp_one(gewei);
}
else{P1=0x00;}
、
}
void yellow_show(void)
{
unsigned char tem = 0;
if(yellow_flag == 1)
{
if(yellow_counter > 99)
{
gewei = 9;
shiwei = 9;
}
else
、
///////////////////////////////////
if(yellow_counter > 3)
yellow_counter = 4;
///////////////////////////////////
///////////////////////////////////
gewei = (yellow_counter % 10);
shiwei = (yellow_counter / 10);
}
if(cycle_counter == 0)
、
if(cycle_counter == 7)
cycle_counter = 8;
if(cycle_counter == 2)
cycle_counter = 3;
if(cycle_counter == 5 ||cycle_counter == 10 ||cycle_counter == 21)
{
disp_one(gewei);
disp_two(shiwei);
}
}
}
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我刚接触单片机不久，定时器这没太搞明白。。。。。
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