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The ultimate version of the 13th simulation of the single chip microcomputer provincial competition of the Blue Bridge Cup
2022-07-01 18:25:00 【Miseñor】
Finally, this time DA The reverse problem of transformation is solved , The reason is because DA Every time you read the last data , So just read it twice in a row .( No more questions here , See my other blogs for the topic : Title address )
Code :
main.c
#include <STC12C5A60S2.H>
#include"intrins.h"
#include"iic.h"
int smg_mode=0;
int count_f=0; //555 Count
int num_f=0; //555 Show
int r_1=0;// light
int r_2=0;// electric
int iic_mode=0;
int eeprom_f;
int eeprom_v;
int led_work=1;
int led=0xff;
int num_z;
sbit S4=P3^3;
sbit S5=P3^2;
sbit S6=P3^1;
sbit S7=P3^0;
char code xianshi[]={
0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff,0x8e,0xc8,0xc1,0xbf,0x7f};
void smg_display();
void get_z();
void Delay10ms();
void choose_573(int i)
{
switch(i)
{
case(0):P2=(P2&0x1f)|0x00;break;
case(4):P2=(P2&0x1f)|0x80;break;
case(5):P2=(P2&0x1f)|0xa0;break;
case(6):P2=(P2&0x1f)|0xc0;break;
case(7):P2=(P2&0x1f)|0xe0;break;
}
}
void init_system()
{
choose_573(4);
P0=0xff;
choose_573(5);
P0=0x00;
choose_573(0);
}
//==========================================555
void Timer0Init(void) //100 Microsecond @11.0592MHz
{
AUXR |= 0x80; // Timer clock 1T Pattern
TMOD = 0x04; // Set timer mode
TL0 = 0xff; // Set the initial timing value
TH0 = 0xff; // Set the initial timing value
TF0 = 0; // eliminate TF0 sign
TR0 = 1; // Timer 0 Start timing
ET0=1;
EA=1;
}
void time0_service() interrupt 1
{
count_f++;
}
//==========================================
//==========================================iic
void get_guang()
{
r_1=guang();
r_1=guang();
}
void get_dian()
{
r_2=dian();
r_2=dian();
}
//==========================================
//========================================== interrupt
void Timer1Init(void) //5 millisecond @11.0592MHz
{
AUXR |= 0x40; // Timer clock 1T Pattern
TMOD &= 0x0F; // Set timer mode
TL1 = 0x00; // Set the initial timing value
TH1 = 0x28; // Set the initial timing value
TF1 = 0; // eliminate TF1 sign
TR1 = 1; // Timer 1 Start timing
ET1=1;
EA=1;
}
int count_1;int count_2;
void time1_service() interrupt 3
{
count_1++;
if(count_1>=180)
{
count_1=0;
num_f=count_f;
count_f=0;
get_guang();
get_dian();
get_z();
}
if(S7==0)
{
count_2++;
if(count_2>=200)
{
count_2=0;
if(led_work==1)
{
led_work=0;
}
else
{
led_work=1;
}
}
}
else
{
count_2=0;
}
}
//==========================================
//========================================== Key
void Delay10ms() //@11.0592MHz
{
unsigned char i, j;
i = 108;
j = 145;
do
{
while (--j);
} while (--i);
}
void key_board()
{
//S4
if(S4==0)
{
Delay10ms();
if(S4==0)
{
smg_mode++;
if(smg_mode==2)
{
iic_mode=0;
}
if(smg_mode>=3)
{
smg_mode=0;
}
}
while(!S4)
{
smg_display();
}
}
//S5
if(S5==0&&smg_mode==2)
{
Delay10ms();
if(S5==0&&smg_mode==2)
{
iic_mode++;
if(iic_mode>=2)
{
iic_mode=0;
}
}
while(!S5)
{
smg_display();
}
}
//S6
if(S6==0)
{
Delay10ms();
if(S6==0)
{
write_EEPROM(0x01,r_2);
Delay10ms();
write_EEPROM(0x02,r_2>>8);
}
while(!S6)
{
smg_display();
}
}
//S7
if(S7==0)
{
Delay10ms();
if(S7==0)
{
write_EEPROM(0x05,num_f);
Delay10ms();
write_EEPROM(0x06,num_f>>8);
}
while(!S7)
{
smg_display();
}
}
}
//==========================================
//==========================================eeprom
void eeprom_read()
{
eeprom_f=read_EEPROM(0x06);
eeprom_f=(eeprom_f<<8)|read_EEPROM(0x05);
// eeprom_f=(eeprom_f*256)+read_EEPROM(0x05);
eeprom_v=read_EEPROM(0x02);
eeprom_v=(eeprom_v<<8)|read_EEPROM(0x01);
}
//==========================================
//========================================== Period calculation
void get_z()
{
num_z=1000000/num_f;
}
//==========================================
//========================================== Nixie tube
void Delay400us() //@11.0592MHz
{
unsigned char i, j;
i = 5;
j = 74;
do
{
while (--j);
} while (--i);
}
void SMG(int wei,int dat)
{
choose_573(6);
P0=0x80>>(wei-1);
choose_573(7);
P0=xianshi[dat];
choose_573(0);
Delay400us();
choose_573(7);
P0=xianshi[10];
choose_573(0);
}
void smg_display()
{
if(smg_mode==0)
{
SMG(1,num_f%10);
if(num_f>=10)
{
SMG(2,(num_f%100)/10);
}
else
{
SMG(2,10);
}
if(num_f>=100)
{
SMG(3,(num_f%1000)/100);
}
else
{
SMG(3,10);
}
if(num_f>=1000)
{
SMG(4,(num_f%10000)/1000);
}
else
{
SMG(4,10);
}
if(num_f>=10000)
{
SMG(5,(num_f%100000)/10000);
}
else
{
SMG(5,10);
}
if(num_f>=100000)
{
SMG(6,(num_f%1000000)/100000);
}
else
{
SMG(6,10);
}
if(num_f>=1000000)
{
SMG(7,(num_f%10000000)/1000000);
}
else
{
SMG(7,10);
}
SMG(8,11);
}
if(smg_mode==1)
{
SMG(1,num_z%10);
if(num_z>=10)
{
SMG(2,(num_z%100)/10);
}
else
{
SMG(2,10);
}
if(num_z>=100)
{
SMG(3,(num_z%1000)/100);
}
else
{
SMG(3,10);
}
if(num_z>=1000)
{
SMG(4,(num_z%10000)/1000);
}
else
{
SMG(4,10);
}
if(num_z>=10000)
{
SMG(5,(num_z%100000)/10000);
}
else
{
SMG(5,10);
}
if(num_z>=100000)
{
SMG(6,(num_z%1000000)/100000);
}
else
{
SMG(6,10);
}
if(num_z>=1000000)
{
SMG(7,(num_z%10000000)/1000000);
}
else
{
SMG(7,10);
}
SMG(8,12);
}
if(smg_mode==2&&iic_mode==0)
{
SMG(1,r_2%10);
SMG(2,(r_2%100)/10);
SMG(3,(r_2%1000)/100);
SMG(3,15);
SMG(4,10);
SMG(5,10);
SMG(6,1);
SMG(7,14);
SMG(8,13);
}
if(smg_mode==2&&iic_mode==1)
{
SMG(1,r_1%10);
SMG(2,(r_1%100)/10);
SMG(3,(r_1%1000)/100);
SMG(3,15);
SMG(4,10);
SMG(5,10);
SMG(6,2);
SMG(7,14);
SMG(8,13);
}
}
//==========================================
//==========================================led
void led_display()
{
if(led_work==1)
{
//L3
if(smg_mode==0)
{
led=(led&0xfb)|0x00;
choose_573(4);
P0=led;
choose_573(0);
}
else
{
led=(led&0xfb)|0x04;
choose_573(4);
P0=led;
choose_573(0);
}
//L4
if(smg_mode==1)
{
led=(led&0xf7)|0x00;
choose_573(4);
P0=led;
choose_573(0);
}
else
{
led=(led&0xf7)|0x08;
choose_573(4);
P0=led;
choose_573(0);
}
//L5
if(smg_mode==2)
{
led=(led&0xef)|0x00;
choose_573(4);
P0=led;
choose_573(0);
}
else
{
led=(led&0xef)|0x10;
choose_573(4);
P0=led;
choose_573(0);
}
//L2
if(num_f>eeprom_f)
{
led=(led&0xfd)|0x00;
choose_573(4);
P0=led;
choose_573(0);
}
else
{
led=(led&0xfd)|0x02;
choose_573(4);
P0=led;
choose_573(0);
}
//L1
if(r_1>eeprom_v)
{
led=(led&0xfe)|0x00;
choose_573(4);
P0=led;
choose_573(0);
}
else
{
led=(led&0xfe)|0x01;
choose_573(4);
P0=led;
choose_573(0);
}
}
if(led_work==0)
{
led=0xff;
choose_573(4);
P0=led;
choose_573(0);
}
}
//==========================================
void main()
{
init_system();
Timer0Init();
Timer1Init();
while(1)
{
smg_display();
key_board();
// eeprom_v=read_EEPROM(0x01);
// eeprom_f=read_EEPROM(0x05);
eeprom_read();
led_display();
//
}
}
iic.c
/* Program description : IIC Bus driver Software environment : Keil uVision 4.10 Hardware environment : CT107 SCM comprehensive training platform 8051,12MHz Japan period : 2011-8-9 */
#include "reg52.h"
#include "intrins.h"
#define DELAY_TIME 5
#define SlaveAddrW 0xA0
#define SlaveAddrR 0xA1
// Bus pin definition
sbit SDA = P2^1; /* cable */
sbit SCL = P2^0; /* Clock line */
void IIC_Delay(unsigned char i)
{
do{
_nop_();}
while(i--);
}
// Bus start condition
void IIC_Start(void)
{
SDA = 1;
SCL = 1;
IIC_Delay(DELAY_TIME);
SDA = 0;
IIC_Delay(DELAY_TIME);
SCL = 0;
}
// Bus stop condition
void IIC_Stop(void)
{
SDA = 0;
SCL = 1;
IIC_Delay(DELAY_TIME);
SDA = 1;
IIC_Delay(DELAY_TIME);
}
// Send reply
void IIC_SendAck(bit ackbit)
{
SCL = 0;
SDA = ackbit; // 0: The reply ,1: Non response
IIC_Delay(DELAY_TIME);
SCL = 1;
IIC_Delay(DELAY_TIME);
SCL = 0;
SDA = 1;
IIC_Delay(DELAY_TIME);
}
// Waiting for an answer
bit IIC_WaitAck(void)
{
bit ackbit;
SCL = 1;
IIC_Delay(DELAY_TIME);
ackbit = SDA;
SCL = 0;
IIC_Delay(DELAY_TIME);
return ackbit;
}
// adopt I2C The bus sends data
void IIC_SendByte(unsigned char byt)
{
unsigned char i;
for(i=0; i<8; i++)
{
SCL = 0;
IIC_Delay(DELAY_TIME);
if(byt & 0x80) SDA = 1;
else SDA = 0;
IIC_Delay(DELAY_TIME);
SCL = 1;
byt <<= 1;
IIC_Delay(DELAY_TIME);
}
SCL = 0;
}
// from I2C Data is received on the bus
unsigned char IIC_RecByte(void)
{
unsigned char i, da;
for(i=0; i<8; i++)
{
SCL = 1;
IIC_Delay(DELAY_TIME);
da <<= 1;
if(SDA) da |= 1;
SCL = 0;
IIC_Delay(DELAY_TIME);
}
return da;
}
int guang()
{
int temp;
IIC_Start();
IIC_SendByte(0x90);
IIC_WaitAck();
IIC_SendByte(0x41);
IIC_WaitAck();
IIC_Stop();
IIC_Start();
IIC_SendByte(0x91);
IIC_WaitAck();
temp=IIC_RecByte();
IIC_SendAck(1);
IIC_Stop();
// temp=temp*1.96+0.5;
return temp;
}
int dian()
{
int temp;
IIC_Start();
IIC_SendByte(0x90);
IIC_WaitAck();
IIC_SendByte(0x43);
IIC_WaitAck();
IIC_Stop();
IIC_Start();
IIC_SendByte(0x91);
IIC_WaitAck();
temp=IIC_RecByte();
IIC_SendAck(1);
IIC_Stop();
temp=temp*1.96+0.5;
return temp;
}
void write_EEPROM(int add,int dat)
{
IIC_Start();
IIC_SendByte(0xa0);
IIC_WaitAck();
IIC_SendByte(add);
IIC_WaitAck();
IIC_SendByte(dat);
IIC_WaitAck();
IIC_Stop();
}
int read_EEPROM(int add)
{
int temp;
IIC_Start();
IIC_SendByte(0xa0);
IIC_WaitAck();
IIC_SendByte(add);
IIC_WaitAck();
IIC_Start();
IIC_SendByte(0xa1);
IIC_WaitAck();
temp=IIC_RecByte();
IIC_SendAck(1);
IIC_Stop();
return temp;
}
iic.h
#ifndef _IIC_H
#define _IIC_H
void IIC_Start(void);
void IIC_Stop(void);
bit IIC_WaitAck(void);
void IIC_SendAck(bit ackbit);
void IIC_SendByte(unsigned char byt);
unsigned char IIC_RecByte(void);
int guang();
int dian();
void write_EEPROM(int add,int dat);
int read_EEPROM(int add);
#endif
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