[嵌入式]蓝桥杯单片机第6届编程题

?nixie.c

#include <sys.h>
#include <onewire.h>

uchar nixie[] = {0XC0, 0XF9, 0XA4, 0XB0, 0X99, 0X92, 0X82, 0XF8, 0X80, 0X90, 0XBF, 0XFF};
//0~9 - 熄灭

uchar interval = 1;//采集时间间隔
uchar interface = 0;//显示界面
uchar index = 0;//0-9
uint temp[10] = {0};//温度收集
uchar temp_num = 0;

void DisplayBit(uchar pos,uchar value)
{
	Select_74HC138(7);
	P0 = 0XFF;
	Select_74HC138(6);
	P0 = _crol_(0X01,pos);
	Select_74HC138(7);
	P0 = nixie[value];
	Delay(1);
	Select_74HC138(0);
}

void Display_Interval()
{
	DisplayBit(5,10);
	DisplayBit(6,interval / 10);
	DisplayBit(7,interval % 10);
}

void Display_Time()
{
	Get_DS1302();
	DisplayBit(0,Time[2] / 10);
	DisplayBit(1,Time[2] % 10);
	if(Time[0] % 2 == 0)
		DisplayBit(2,10);
	else
		DisplayBit(2,11);
	DisplayBit(3,Time[1] / 10);
	DisplayBit(4,Time[1] % 10);
	if(Time[0] % 2 == 0)
		DisplayBit(5,10);
	else
		DisplayBit(5,11);
	DisplayBit(6,Time[0] / 10);
	DisplayBit(7,Time[0] % 10);
}

void Collect_Temper()
{
	if(interface == 1)
	{
		if(temp_num < 10)
		{
			if(temp_control == 1)
			{
				temp[index] = Temper_Get();
				temp_control = 0;
				index++;
				temp_num++;
			}
		}
		else if(temp_num >= 10)
		{
			Led = 1;
		}
	}
}

void Display_Temp()
{
	DisplayBit(0,10);
	DisplayBit(1,index / 10);
	DisplayBit(2,index % 10);
	
	DisplayBit(5,10);
	DisplayBit(6,temp[index] / 10);
	DisplayBit(7,temp[index] % 10);
}
	

void DisplaySMG()
{
	switch(interface)
	{
		case 0: Display_Interval(); break;
		case 1: Display_Time(); break;
		case 2: Display_Temp(); break;
	}
}

sys.c

#include <sys.h>
#include <onewire.h>

void Select_74HC138(uchar channel)
{
	switch(channel)
	{
		case 0: P2 = P2 & 0X1F; 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()
{
	uchar i;
	Select_74HC138(4);
	P0 = 0XFF;
	Select_74HC138(5);
	P0 = 0X00;
	Select_74HC138(7);
	P0 = 0XFF;
	Select_74HC138(0);
	for(i = 0; i < 50; i++)
	{
		Temper_Get();
	}
}

void Delay(uint ms)
{
	uint i;
	for(ms; ms > 0; ms--)
		for(i = 921; i > 0; i--);
}

//==========================================

uchar temp_control = 1;
uchar temp_count = 0;//取样时间间隔
void InitTimer0()//5MS
{
	AUXR |= 0X80;
	TMOD &= 0XF0;
	TL0 = 0XA0;
	TH0 = 0X15;
	TF0 = 0;
	TR0 = 1;
	ET0 = 1;
	EA = 1;
}

void ServiceTimer0() interrupt 1
{
	if(temp_control == 0)
	{
		temp_count++;
	}
	if(temp_count >= interval * 200)
	{
		temp_count = 0;
		temp_control = 1;
	}
}

//==========================================

uchar Led = 0;

void LedWorking()
{
	Select_74HC138(0);
	if(Led == 1)
		P0 = 0XFE;
	else if(Led == 0)
		P0 = 0XFF;
	Select_74HC138(4);
}

key.c

#include <sys.h>


void KeyScans()
{
	uchar i;
	if(s4 == 0)
	{
		Delay(10);
		if(s4 == 0)
		{
			if(interface == 0)
			{
				if(interval == 1)
					interval = 5;
				else if(interval == 5)
					interval = 30;
				else if(interval == 30)
					interval = 60;
				else if(interval == 60)
					interval = 1;
			}
			
			while(s4 == 0)
			{
				DisplaySMG();
			}
		}
	}
	if(s5 == 0)
	{
		Delay(10);
		if(s5 == 0)
		{
			if(interface == 0)
				interface = 1;
			while(s5 == 0)
			{
				DisplaySMG();
			}
		}
	}
	if(s6 == 0)
	{
		Delay(10);
		if(s6 == 0)
		{
			if(interface == 1)
				interface = 2;
			if(interface == 2)
			{
				index++;
				if(index >= 10)
					index = 0;
			}
			if(Led == 1)
				Led = 0;
			while(s6 == 0)
			{
				DisplaySMG();
			}
		}
	}
	if(s7 == 0)
	{
		Delay(10);
		if(s7 == 0)
		{
			if(interface == 2)
				interface = 0;
			temp_num = 0;
			index = 0;
			temp_control = 1;
			for(i = 0; i < 10; i++)
			{
				temp[i] = 0;
			}
		}
	}
}

main.c

#include <sys.h>
#include <onewire.h>

void main()
{
	Init_System();
	Set_DS1302();
	InitTimer0();
	while(1)
	{
		KeyScans();
		Collect_Temper();
		DisplaySMG();
		LedWorking();
	}
}

sys.h

#ifndef _SYS_H_
#define _SYS_H_

#include <STC15F2K60S2.H>
#include <intrins.h>

sbit s4 = P3^3;
sbit s5 = P3^2;
sbit s6 = P3^1;
sbit s7 = P3^0;

#define uchar unsigned char
#define uint unsigned int

extern unsigned char interval;//采集时间间隔
extern unsigned char interface;//现实的界面
extern unsigned char temp_control;//温度采集控制
extern unsigned char index,temp_num;//温度采样个数
extern unsigned int temp[10];
extern unsigned char Led;

//sys.c
void Select_74HC138(unsigned char channel);
void Init_System();
void Delay(unsigned int ms);
void InitTimer0();
void LedWorking();
//nixie.c
void DisplayBit(unsigned char pos,unsigned char value);
void Display_Interval();
void Display_Time();
void Collect_Temper();
void Display_Temp();
void DisplaySMG();

//key.c
void KeyScans();

#endif