彩灯控制器

2019-04-14 20:15发布生成海报

站内文章 / 模拟电子

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1.题目:

## 注意：时序要求严格，读取eeprom和AD值要关中断！

2.代码：

main.c

******************************************************************************
* 文件名：彩灯控制器
* 描  述：
* 作  者：思索与猫
* 日  期:  19/3/18 
* 备  注： 
*         
******************************************************************************
#include
#include

uchar pwm; 
uchar ad_value;

void main()
{
		CloseFucker();
		Timer0Init();
		Timer1Init();
		init_pcf859();
		time = read_eeprom(0x01);		  //读取eeprom
		while(1)
		{			
				if(flag_ad == 1)      //读AD值
				{
						flag_ad = 0;
						ad_value = read_pcf859();
						ad_value = ad_value*99/255.0f;
						if(ad_value <= 24)
						{
								pwm = 1;
						}
						else if(ad_value>24&&ad_value <= 49)
						{
								pwm = 2;
						}
						else if(ad_value>49&&ad_value <= 74)
						{
								pwm = 3;
						}
						else if(ad_value>74&&ad_value <= 99)
						{
								pwm = 4;
						}					
				}
				
				KeyDriver();
				ShowTable();
		}
}

sys.h

#ifndef __SYS_H_
#define __SYS_H_

#include
#include

typedef unsigned char uchar;
typedef unsigned int uint;
//初始
void Timer0Init();	
void Timer1Init();
void CloseFucker();	
uchar LedMode();
//显示
void Display();
void ShowTable();
void ShowLed(uchar temp);
//按键
void KeyDriver();
void KeyAction(uchar key_value);
void KeyScan();

extern uchar code duan[];
extern uchar Table[];
extern uchar mode,time,choose;
extern uchar led_dat;
extern uchar index;
extern bit flag_set,flag_smg,flag_start,flag_ad,flag_level;
extern uchar ad_value;
extern uchar pwm;


#endif

sys.c

#include
uchar led_dat = 0x00;
uchar index = 0;
bit flag_smg,flag_ad;

void Timer0Init()		//2ms@12.000MHz
{
		AUXR |= 0x80;		
		TMOD &= 0xF0;	
		TL0 = 0x40;		 
		TH0 = 0xA2;		 
		TF0 = 0;	
		TR0 = 1;	
		ET0 = 1;
		EA = 1;

}

void Timer1Init()		//100us@12.000MHz
{
		AUXR |= 0x40;		
		TMOD &= 0x0F;		
		TL1 = 0x50;	 
		TH1 = 0xFB;	
		TF1 = 0;		
		TR1 = 1;
		ET1 = 1;	
}

void T0_time() interrupt 1
{
		static uint count = 0,smg_count = 0,ad_count = 0;
		TL0 = 0x40;		 
		TH0 = 0xA2;		

		Display();
		KeyScan();
			
		if(++ad_count == 30)     //60ms读取AD值
		{
				ad_count = 0;
				flag_ad = 1;
		}
		
		if(flag_set == 1&&++smg_count>=400)       //数码管0.8S闪烁
		{
				smg_count = 0;
				flag_smg = ~flag_smg;
		}
		
		if(flag_start == 1&&++count >= time*50)    //间隔时间
		{
				count = 0;	
				led_dat = LedMode();
		}
		
}

void T1_time() interrupt 3
{
		static uint time = 0;
		uchar hightime;
		TL1 = 0x50;	 
		TH1 = 0xFB;
	 
		time++;
		time &= 0x0f;                 //最高1500us
		
		hightime = pwm*pwm;           //高电平时间
	
		if(time < hightime)   
		{
				ShowLed(led_dat);
		}
		else 
		{
				ShowLed(0x00);
		}
}

uchar LedMode()
{
		uchar led;
		uchar left,right;
		
		if(mode == 1)
		{
				led = 0x01;
				led = led<= 8) index = 0;
		}
		else if(mode == 2)
		{
				led = 0x80;
				led = led>>index;
				if(++index >= 8) index = 0;
		}
		else if(mode == 3)
		{
				left = 0x01;right = 0x80;
				left = left <>index;
				led = left|right;	
				if(++index >= 4) index = 0;
		}	
		else if(mode == 4)
		{
				left = 0x10;right = 0x08;
				left = left <>index;
				led = left|right;	
				if(++index >= 4) index = 0;	
		}
	  return led;
}

void CloseFucker()
{
		P2 = P2&0x1f|0xa0;
		P0 = 0xaf;
		P2 = 0x1f;
}

display.c

#include

uchar code duan[] = {0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0x00,0x40}; //10black,11-
uchar Table[8];
uchar mode = 1,time = 4;
bit flag_level;

void Display()
{
		static uchar index = 0;
		P2 = P2&0x1f|0xe0;
		P0 = 0xff;
		P2 = 0x1f;
	
		P2 = P2&0x1f|0xc0;
		P0 = 1<
key.c
#include
sbit Key_In_1 = P3^0;
sbit Key_In_2 = P3^1;
sbit Key_In_3 = P3^2;
sbit Key_In_4 = P3^3;

uchar KeySta[4] = {1, 1, 1, 1};
uchar KeyCodeMap[4] = {7, 6, 5, 4};
uchar choose = 0;
bit flag_set,flag_start;

void KeyDriver()
{
		uchar i = 0;
		static uchar KeyBack[4] = {1, 1, 1, 1};
		
		for(i=0; i<4; i++)
		{
				if(KeySta[i] != KeyBack[i])
				{
						if(flag_set == 0&&KeySta[3] == 0)   //按下S4不松手，亮度界面
						{
								flag_level = 1;
						}
						if(KeySta[3] == 1)                  //松开S4
						{
								flag_level = 0;
						}
						if(KeySta[i] != 0)
						{
								KeyAction(KeyCodeMap[i]);
						}
				}
				KeyBack[i] = KeySta[i];
		}
}



void KeyAction(uchar key_value)
{
		if(key_value == 7)     //led开关
		{
				flag_start = ~flag_start;
				index = 0;
				led_dat = 0x00;
		}
		else if(key_value == 6)
		{
				flag_set = 1;
				if(++choose == 3)
				{
						led_dat = 0x00;
						choose = 0;
						flag_set = 0;
						flag_start = 0;
						index = 0;
						switch(mode)     //存储各模式间隔时间
						{
							case 1:write_eeprom(time,0x01);break;
							case 2:write_eeprom(time,0x02);break;
							case 3:write_eeprom(time,0x03);break;
							case 4:write_eeprom(time,0x04);break;
						}						
				}
		}
		else if(flag_set == 1&&key_value == 5)
		{
				if(choose == 1)
				{
						mode++;
						switch(mode)    //读取各模式间隔时间
						{
							case 1:time = read_eeprom(0x01);break;    
							case 2:time = read_eeprom(0x02);break;
							case 3:time = read_eeprom(0x03);break;
							case 4:time = read_eeprom(0x04);break;
						}	
						if(mode >= 4) mode =4;						
				}
				else if(choose == 2)
				{
						time++;	
						if(time >= 12) time = 12;
				}			
		}
		else if(flag_set == 1&&key_value == 4)
		{
				if(choose == 1)
				{
						mode--;
						switch(mode)    //读取各模式间隔时间
						{
							case 1:time = read_eeprom(0x01);break;
							case 2:time = read_eeprom(0x02);break;
							case 3:time = read_eeprom(0x03);break;
							case 4:time = read_eeprom(0x04);break;
						}
						if(mode <= 1)	mode = 1;
				}
				else if(choose == 2)
				{
						time--;
						if(time <= 4) time = 4;
				}	
		}
}

void KeyScan()
{
		uchar i = 0;
		static uchar KeyBuf[4] = {0xff, 0xff, 0xff, 0xff};
		
		KeyBuf[0] = KeyBuf[0]<<1|Key_In_1 ;
		KeyBuf[1] = KeyBuf[1]<<1|Key_In_2 ;
		KeyBuf[2] = KeyBuf[2]<<1|Key_In_3 ;
		KeyBuf[3] = KeyBuf[3]<<1|Key_In_4 ;
		
		for(i=0; i<4; i++)
		{
				if(KeyBuf[i] == 0xff)
				{
						KeySta[i] = 1;
				}
				else if(KeyBuf[i] == 0x00)
				{
						KeySta[i] = 0;
				}
				else
				{
						
				}
		}
}

iic.h
#ifndef _IIC_H
#define _IIC_H

#include "stc15f2k60s2.h"
#include "intrins.h"

#define somenop Delay5us()
#define SlaveAddrW 0xA0
#define SlaveAddrR 0xA1

sbit SDA = P2^1;  /* Êý¾ÝÏß */
sbit SCL = P2^0;  /* Ê±ÖÓÏß */

void IIC_Start(void); 
void IIC_Stop(void);  
void IIC_Ack(unsigned char ackbit); 
void IIC_SendByte(unsigned char byt); 
bit IIC_WaitAck(void);  
unsigned char IIC_RecByte(void); 
void Delay5us();
void write_eeprom(unsigned char dat,unsigned char add);
unsigned char read_eeprom(unsigned char add);
void init_pcf859();
unsigned char read_pcf859();
#endif

iic.c
#include "iic.h"
void Delay5us()		//@12.000MHz
{
	unsigned char i;

	_nop_();
	_nop_();
	i = 12;
	while (--i);
}

void IIC_Start(void)
{
	SDA = 1;
	SCL = 1;
	somenop;
	SDA = 0;
	somenop;
	SCL = 0;	
}

void IIC_Stop(void)
{
	SDA = 0;
	SCL = 1;
	somenop;
	SDA = 1;
}

void IIC_Ack(unsigned char ackbit)
{
	if(ackbit) 
	{	
		SDA = 0;
	}
	else 
	{
		SDA = 1;
	}
	somenop;
	SCL = 1;
	somenop;
	SCL = 0;
	SDA = 1; 
	somenop;
}

bit IIC_WaitAck(void)
{
	SDA = 1;
	somenop;
	SCL = 1;
	somenop;
	if(SDA)    
	{   
		SCL = 0;
		IIC_Stop();
		return 0;
	}
	else  
	{ 
		SCL = 0;
		return 1;
	}
}

void IIC_SendByte(unsigned char byt)
{
	unsigned char i;
	for(i=0;i<8;i++)
	{   
		if(byt&0x80) 
		{	
			SDA = 1;
		}
		else 
		{
			SDA = 0;
		}
		somenop;
		SCL = 1;
		byt <<= 1;
		somenop;
		SCL = 0;
	}
}

unsigned char IIC_RecByte(void)
{
	unsigned char da;
	unsigned char i;
	
	for(i=0;i<8;i++)
	{   
		SCL = 1;
		somenop;
		da <<= 1;
		if(SDA) 
		da |= 0x01;
		SCL = 0;
		somenop;
	}
	return da;
}

void write_eeprom(unsigned char dat,unsigned char add)
{
		IIC_Start();
		IIC_SendByte(0xa0);
		IIC_WaitAck();
		IIC_SendByte(add);
		IIC_WaitAck();
		IIC_SendByte(dat);
		IIC_WaitAck();
		IIC_Stop();
}

unsigned char read_eeprom(unsigned char add)
{
		unsigned char dat;
		EA = 0;               //注意，这里对时序要求更加严格，关中断读eeprom
		IIC_Start();
		IIC_SendByte(0xa0);
		IIC_WaitAck();
		IIC_SendByte(add);
		IIC_WaitAck();
	
		IIC_Start();
		IIC_SendByte(0xa1);
		IIC_WaitAck();
		dat = IIC_RecByte();
		IIC_Ack(0);
		IIC_Stop();
		EA = 1;
	
		return dat;
}
	
void init_pcf859()
{
		IIC_Start();
		IIC_SendByte(0x90);
		IIC_WaitAck();
		IIC_SendByte(0x03);
		IIC_WaitAck();
		IIC_Stop();
}

unsigned char read_pcf859()
{
		unsigned char dat;
		EA = 0;                     //与上同理
		IIC_Start();
		IIC_SendByte(0x91);
		IIC_WaitAck();
		dat = IIC_RecByte();
		IIC_Ack(0);
		IIC_Stop();
		EA = 1;
		return dat;
}


                         
                         
     
  
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彩灯控制器

1.题目:

2.代码：

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