当前位置：网站首页>The first game of the 12th Blue Bridge Cup single chip microcomputer provincial competition
The first game of the 12th Blue Bridge Cup single chip microcomputer provincial competition
2022-07-02 03:38:00 【Super 561】
main.c
#include <STC15F2K60S2.H>
#include <IIC.H>
#include <ONEWIRE.H>
#define NO_KEY 0XFF
#define KEY_STATE0 0
#define KEY_STATE1 1
#define KEY_STATE2 2
unsigned int temp_count;
float temp;
unsigned int temp_now=0;
unsigned int temp_set=25;
unsigned int dianya;
bit dianya_mode=1;
void Init_temp()
{
init_ds18b20();
Write_DS18B20(0xcc);
Write_DS18B20(0x44);
}
float read_temp()
{
float date;
unsigned char low,high;
init_ds18b20();
Write_DS18B20(0xcc);
Write_DS18B20(0xbe);
low=Read_DS18B20();
high=Read_DS18B20();
date=(high<<8)|low;
date=date*0.0625;
return date;
}
void temp_process()
{
if(temp_count>100)
{
temp_count=0;
temp=read_temp();
temp=temp*100;
temp_now=temp;
Init_temp();
}
}
void Timer2Init() //1 millisecond @12.000MHz
{
AUXR &= 0xFB; // Timer clock 12T Pattern
T2L = 0x18; // Set initial value of timing
T2H = 0xFC; // Set initial value of timing
AUXR |= 0x10; // Timer 2 Start timing
IE2|=0x04;
EA=1;
}
void Device_ctrl(unsigned char p2date,unsigned char p0date)
{
P0=p0date;
P2=P2&0X1F|p2date;
P2&=0X1F;
}
unsigned int key_count;
unsigned char display_mode;
unsigned char key_scan()
{
static unsigned char key_state=KEY_STATE0;
unsigned char key_value=0,key_temp;
unsigned char key1,key2;
P30=0;P31=0;P32=0;P33=0;P34=1;P35=1;P42=1;P44=1;
if(P44==0){key1=0X70;}
if(P42==0){key1=0XB0;}
if(P35==0){key1=0XD0;}
if(P34==0){key1=0XE0;}
if((P44==1)&&(P42==1)&&(P35==1)&&(P34==1)){key1=0XF0;}
P30=1;P31=1;P32=1;P33=1;P34=0;P35=0;P42=0;P44=0;
if(P30==0){key2=0X0E;}
if(P31==0){key2=0X0D;}
if(P32==0){key2=0X0B;}
if(P33==0){key2=0X07;}
if((P30==1)&&(P31==1)&&(P32==1)&&(P33==1)){key2=0X0F;}
key_temp=key1|key2;
switch(key_state)
{
case KEY_STATE0:
if(key_temp!=NO_KEY)
{
key_state=KEY_STATE1;
}
break;
case KEY_STATE1:if(key_temp==NO_KEY)
{
key_state=KEY_STATE0;
}
else
{
switch(key_temp)
{
case 0x77:key_value=4;break;
case 0x7b:key_value=5;break;
case 0x7d:key_value=6;break;
case 0x7e:key_value=7;break;
case 0xb7:key_value=8;break;
case 0xbb:key_value=9;break;
case 0xbd:key_value=10;break;
case 0xbe:key_value=11;break;
case 0xd7:key_value=12;break;
case 0xdb:key_value=13;break;
case 0xdd:key_value=14;break;
case 0xde:key_value=15;break;
case 0xe7:key_value=16;break;
case 0xeb:key_value=17;break;
case 0xed:key_value=18;break;
case 0xee:key_value=19;break;
}
key_state=KEY_STATE2;
}
break;
case KEY_STATE2:
if(key_temp==NO_KEY)
{
key_state=KEY_STATE0;
}break;
}
return key_value;
}
void key_process()
{
unsigned char key_val;
if(key_count>10)
{
key_val=key_scan();
switch(key_val)
{
case 4:
display_mode++;
if(display_mode==3)
{
display_mode=0;
}
break;
case 5:
dianya_mode=~dianya_mode;
break;
case 6:break;
case 7:break;
case 8:
if(display_mode==1)
{
if(temp_set>0)
{
temp_set--;
}
}
break;
case 9:
if(display_mode==1)
{
if(temp_set<99)
{
temp_set++;
}
}
break;
case 10:break;
case 11:break;
case 12:break;
case 13:break;
case 14:break;
case 15:break;
case 16:break;
case 17:break;
case 18:break;
case 19:break;
}
}
}
unsigned char smg_display[8];
unsigned char smg_du[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F};
unsigned int smg_count;
void smg_show()
{
unsigned char i;
Device_ctrl(0xc0,0);
Device_ctrl(0xe0,~smg_display[i]);
Device_ctrl(0xc0,0x01<<i);
i=(i+1)%8;
}
void smg_process()
{
if(smg_count>3)
{
smg_count=0;
if(display_mode==0)
{
smg_display[0]=0x39;
smg_display[1]=0x00;
smg_display[2]=0x00;
smg_display[3]=0x00;
smg_display[4]=smg_du[temp_now/1000];
smg_display[5]=smg_du[temp_now/100%10]|0x80;
smg_display[6]=smg_du[temp_now/10%10];
smg_display[7]=smg_du[temp_now%10];
}
if(display_mode==1)
{
smg_display[0]=0x73;
smg_display[1]=0x00;
smg_display[2]=0x00;
smg_display[3]=0x00;
smg_display[4]=0x00;
smg_display[5]=0x00;
smg_display[6]=smg_du[temp_set/10];
smg_display[7]=smg_du[temp_set%10];
}
if(display_mode==2)
{
smg_display[0]=0x77;
smg_display[1]=0x00;
smg_display[2]=0x00;
smg_display[3]=0x00;
smg_display[4]=0x00;
smg_display[5]=smg_du[dianya/100]|0x80;
smg_display[6]=smg_du[dianya/10%10];
smg_display[7]=smg_du[dianya%10];
}
}
}
unsigned int da_count;
void da(unsigned char date)
{
IIC_Start();
IIC_SendByte(0x90);
IIC_WaitAck();
IIC_SendByte(0x40);
IIC_WaitAck();
IIC_SendByte(date);
IIC_WaitAck();
IIC_Stop();
}
void da_process()
{
if(da_count>5)
{
da_count=0;
if(dianya_mode)
{
if(temp_now<temp_set*100)
{
da(0);
dianya=0;
}
else
{
da(255);
dianya=500;
}
}
else
{
if(temp_now<2000)
{
da(51);
dianya=100;
}
else if(temp_now<4000)
{
dianya=temp_now*3/20-200;
da(dianya/2);
}
else
{
da(51*4);
dianya=400;
}
}
}
}
unsigned char led_ctrl=0xff;
unsigned int led_count;
void led_process()
{
if(led_count>5)
{
led_count=0;
if(dianya_mode==1)
{
led_ctrl&=~0x01;
}
else
{
led_ctrl|=0x01;
}
if(display_mode==0)
{
led_ctrl&=~0x02;
}
else
{
led_ctrl|=0x02;
}
if(display_mode==1)
{
led_ctrl&=~0x04;
}
else
{
led_ctrl|=0x04;
}
if(display_mode==2)
{
led_ctrl&=~0x08;
}
else
{
led_ctrl|=0x08;
}
Device_ctrl(0x80,led_ctrl);
}
}
void main()
{
Timer2Init();
Device_ctrl(0xa0,0x00);
Device_ctrl(0x80,0xff);
Init_temp();
while(1)
{
key_process();
temp_process();
smg_process();
da_process();
led_process();
}
}
void timer2service() interrupt 12
{
key_count++;
smg_count++;
temp_count++;
da_count++;
led_count++;
smg_show();
}onewire.c
#include "onewire.h"
// Single bus internal delay function
void Delay_OneWire(unsigned int t)
{
t=t*12;
while(t--);
}
// Single bus write operation
void Write_DS18B20(unsigned char dat)
{
unsigned char i;
for(i=0;i<8;i++)
{
DQ = 0;
DQ = dat&0x01;
Delay_OneWire(5);
DQ = 1;
dat >>= 1;
}
Delay_OneWire(5);
}
// Single bus read operation
unsigned char Read_DS18B20(void)
{
unsigned char i;
unsigned char dat;
for(i=0;i<8;i++)
{
DQ = 0;
dat >>= 1;
DQ = 1;
if(DQ)
{
dat |= 0x80;
}
Delay_OneWire(5);
}
return dat;
}
//DS18B20 initialization
bit init_ds18b20(void)
{
bit initflag = 0;
DQ = 1;
Delay_OneWire(12);
DQ = 0;
Delay_OneWire(80);
DQ = 1;
Delay_OneWire(10);
initflag = DQ;
Delay_OneWire(5);
return initflag;
}
onewire.h
#ifndef __ONEWIRE_H
#define __ONEWIRE_H
#include <STC15F2K60S2.H>
sbit DQ = P1^4;
void Delay_OneWire(unsigned int t);
void Write_DS18B20(unsigned char dat);
unsigned char Read_DS18B20(void);
bit init_ds18b20(void);
#endif
iic.c
#include "iic.h"
#define DELAY_TIME 5
//I2C Bus internal delay function
void IIC_Delay(unsigned char i)
{
do{_nop_();}
while(i--);
}
//I2C Bus start signal
void IIC_Start(void)
{
SDA = 1;
SCL = 1;
IIC_Delay(DELAY_TIME);
SDA = 0;
IIC_Delay(DELAY_TIME);
SCL = 0;
}
//I2C Bus stop signal
void IIC_Stop(void)
{
SDA = 0;
SCL = 1;
IIC_Delay(DELAY_TIME);
SDA = 1;
IIC_Delay(DELAY_TIME);
}
// Send a reply or non reply signal
void IIC_SendAck(bit ackbit)
{
SCL = 0;
SDA = ackbit;
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;
}
//I2C The bus sends a byte of 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;
}
//I2C The bus receives a byte of data
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;
}
iic.h
#ifndef __IIC_H
#define __IIC_H
#include <STC15F2K60S2.H>
#include "intrins.h"
sbit SDA = P2^1;
sbit SCL = P2^0;
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);
#endif边栏推荐
- Unity脚本的基础语法(6)-特定文件夹
- "Analysis of 43 cases of MATLAB neural network": Chapter 42 parallel operation and neural network - parallel neural network operation based on cpu/gpu
- PY3, PIP appears when installing the library, warning: ignoring invalid distribution -ip
- Halcon image rectification
- Global and Chinese market of bone adhesives 2022-2028: Research Report on technology, participants, trends, market size and share
- How to do medium and long-term stocks, and what are the medium and long-term stock trading skills?
- High performance and low power cortex-a53 core board | i.mx8m Mini
- 傅里叶级数
- Object oriented thinking
- Global and Chinese market of handheld ultrasonic scanners 2022-2028: Research Report on technology, participants, trends, market size and share
猜你喜欢
初出茅庐市值1亿美金的监控产品Sentry体验与架构
Download and use of the super perfect screenshot tool snipaste
《MATLAB 神经网络43个案例分析》：第42章 并行运算与神经网络——基于CPU/GPU的并行神经网络运算
蓝桥杯单片机省赛第九届
《MATLAB 神經網絡43個案例分析》：第42章 並行運算與神經網絡——基於CPU/GPU的並行神經網絡運算
NLog使用
uniapp 使用canvas 生成海报并保存到本地
Large screen visualization from bronze to the advanced king, you only need a "component reuse"!
傅里叶级数
MD5 of Oracle
随机推荐
NLog use
蓝桥杯单片机省赛第九届
蓝桥杯单片机省赛第十二届第二场
《MATLAB 神经网络43个案例分析》：第42章 并行运算与神经网络——基于CPU/GPU的并行神经网络运算
Verilog state machine
Uniapp uses canvas to generate posters and save them locally
0基础如何学习自动化测试？按照这7步一步一步来学习就成功了
接口调试工具模拟Post上传文件——ApiPost
初出茅庐市值1亿美金的监控产品Sentry体验与架构
What do you know about stock selling skills and principles
Imageai installation
蓝桥杯单片机省赛第十届
halcon图像矫正
Oracle 常用SQL
焱融看 ｜ 混合云时代下，如何制定多云策略
[database]jdbc
Download and use of the super perfect screenshot tool snipaste
Xlwings drawing
[designmode] builder model
Oracle的md5