07.2PCF8591
1.main.c文件
#include
#include
#include#define uchar unsigned char
#define uint unsigned intunsigned char LED_Bit=0XFF;
unsigned char Actuator_Bit=0X00;#define LEDx_ON(n) { LED_Bit&=_crol_(0XFE,n-1); P0=LED_Bit; P2|=0X80; P2&=0X9F; P2&=0X1F;}
#define LEDx_OFF(n) { LED_Bit|=_crol_(0X01,n-1); P0=LED_Bit; P2|=0X80; P2&=0X9F; P2&=0X1F;}#define Buzzer_ON Actuator_Bit|=0x40; P0=Actuator_Bit; P2|=0XA0; P2&=0XBF; P2&=0X1F;
#define Buzzer_OFF Actuator_Bit&=0XBF; P0=Actuator_Bit; P2|=0XA0; P2&=0XBF; P2&=0X1F;
#define Relay_ON Actuator_Bit|=0x10; P0=Actuator_Bit; P2|=0XA0; P2&=0XBF; P2&=0X1F;
#define Relay_OFF Actuator_Bit&=0XEF; P0=Actuator_Bit; P2|=0XA0; P2&=0XBF; P2&=0X1F;unsigned char code tab[]= {0XC0,0XF9,0XA4,0XB0,0X99,0X92,0X82,0XF8,0X80,0X90,\0X40,0X79,0X24,0X30,0X19,0X12,0X02,0X78,0X00,0X10,\0XBF,0XFF};
unsigned char KEY_Value = 0 ;
unsigned char DigCom=0;
unsigned char DigBuf[8] = {10,10,10,10,10,10,10,10};unsigned char LED = 1 ;
unsigned int LED_tt =0;
bit LED_Ref = 0 ;unsigned int SEG_tt =0; //定义一个数码管计数时间标识位
bit SEG_Ref = 0 ; //定义一个数码管刷新标识位
bit SEG_Run = 0 ; //定义一个控制数码管运行标识位
unsigned int Num = 999 ;unsigned char Open;unsigned char EEPROM_Write[8] = {2,3,4,5,6,7,8,9};
unsigned char EEPROM_Read[8] = {0,0,0,0,0,0,0,0};unsigned int AD_VALUE=0;
unsigned int AD_tt =0;
bit AD_Ref =0;unsigned int XXX_tt =0;
bit XXX_Ref =0;void IO_Init(void);
void ALL_Init(void);
void Delay_MS(unsigned int MS);
void KeyScan(void);
void ArrKeyScan(void);
void Timer0Init(void); //1毫秒@11.0592MHzvoid main(void)
{IO_Init();ALL_Init();Timer0Init();EA=1;ET0=1;// AT24C02_write(0X15,0);Delay_MS(1);// Open = AT24C02_read(0X15); Delay_MS(5);
// AT24C02_write(0X15,++Open);Delay_MS(5);
// DigBuf[0]=Open/10;DigBuf[1]=Open%10;// AT24C02_Write_Page(0X00);Delay_MS(5);
// AT24C02_Read_Page(0X00);Delay_MS(5);
// DigBuf[0]=EEPROM_Read[0];DigBuf[1]=EEPROM_Read[1];DigBuf[2]=EEPROM_Read[2];DigBuf[3]=EEPROM_Read[3];
// DigBuf[4]=EEPROM_Read[4];DigBuf[5]=EEPROM_Read[5];DigBuf[6]=EEPROM_Read[6];DigBuf[7]=EEPROM_Read[7];while(1){if(AD_Ref == 1){AD_Ref = 0 ;AD_VALUE = AD_read(0X01);//读取不同通道模拟信号的值AD_write(AD_VALUE);AD_VALUE = AD_VALUE* 1.96 ;DigBuf[2]=21;DigBuf[3]=21;DigBuf[4]=21;DigBuf[5]=AD_VALUE/100+ 10 ; DigBuf[6]=AD_VALUE%100/10;DigBuf[7]=AD_VALUE%10; }KeyScan();if(KEY_Value==7){KEY_Value=0;SEG_Run = 1 ;}if(KEY_Value==6){KEY_Value=0;SEG_Run = 0 ;}if(KEY_Value==5){KEY_Value=0;LEDx_ON(1);Buzzer_ON;}if(KEY_Value==4){KEY_Value=0;LEDx_OFF(1);Buzzer_OFF;} }
}void KeyScan(void)
{if(P30==0){Delay_MS(10);if(P30==0)KEY_Value = 7 ; while(!P30);}else if(P31==0){Delay_MS(10);if(P31==0)KEY_Value = 6 ; while(!P31);} else if(P32==0){Delay_MS(10);if(P32==0)KEY_Value = 5 ; while(!P32);} else if(P33==0){Delay_MS(10);if(P33==0)KEY_Value = 4 ; while(!P33);}
}void Timer0(void) interrupt 1
{P0=0X00;P2|=0XC0; // P2=P2|0XC0; XXXX XXXX | 1100 0000 = 11XX XXXXP2&=0XDF; // P2=P2&0XDF; 11XX XXXX & 1101 1111 = 110X XXXX P2&=0X1F; //关闭所有的74HC573锁存器 P0=tab[DigBuf[DigCom]]; P2|=0XE0; // P2=P2|0XE0; XXXX XXXX | 1110 0000 = 111X XXXXP2&=0XFF; // P2=P2&0XDF; 11XX XXXX & 1101 1111 = 110X XXXX P2&=0X1F; //关闭所有的74HC573锁存器P0=(0X01<0;j--); //STC15单片机设置为853; STC8H单片机修改为1109；STC32G单片机修改为427;
}void ALL_Init(void)
{P0 =0X00; //先设置关闭蜂鸣器继电器的P0输出值（全关）P2|=0XA0; // 将P27 P25 设置为1 其他位保持不变P2&=0XBF; // 将P26设置为0 其他位保持不变P2&=0X1F; //关闭所有的74HC573锁存器P0 =0XFF; //先设置关闭所有的LED的P0输出值（全关）P2|=0X80; // 将P27设置为1 其他位保持不变P2&=0X9F; // 将P26 P25设置为0 其他位保持不变P2&=0X1F; //关闭所有的74HC573锁存器P0 =0X00; //先设置选择数码管位选的P0输出值（全不选）P2|=0XC0; // 将P27 P26 设置为1 其他位保持不变P2&=0XDF; // 将P26设置为0 其他位保持不变P2&=0X1F; //关闭所有的74HC573锁存器
}void IO_Init(void)
{P0M0 = 0x00; P0M1 = 0x00; //IO初始化为准双向I/O模式，STC15F系列可以写P1M0 = 0x00; P1M1 = 0x00; //IO初始化为准双向I/O模式，STC15F系列可不写P2M0 = 0x00; P2M1 = 0x00; //IO初始化为准双向I/O模式，STC15F系列可不写P3M0 = 0x00; P3M1 = 0x00; //IO初始化为准双向I/O模式，STC15F系列可不写P4M0 = 0x00; P4M1 = 0x00; //IO初始化为准双向I/O模式，STC15F系列可不写P0=0XFF; P1=0XFF; P2=0XFF; P3=0XFF; P4=0XFF; P5=0XFF; //P0、P1、P2、P3、P4、P5输出为高电平 STC15系列单片机可不写
}/*
void ArrKeyScan(void)
{unsigned char temp; //定义局部变量用来存储从P3口读出的数值? P44=0; P42=1; P3=0X7F; // //0111 1111 扫描第一列temp = P3 ; //将P3口读出的数字赋值给temp temp = temp & 0X0F ; // 0111 XXXX & 0000 1111 = 0000 XXXX if(temp != 0X0F){Delay_MS(5);temp = P3 ; //将P3口读出的数字赋值给temp temp = temp & 0X0F ; // 0111 XXXX & 0000 1111 = 0000 XXXX if(temp != 0X0F){temp = P3 ;switch(temp) //1110 1101 1011 0111 {case 0X7E: KEY_Value = 7 ; break;case 0X7D: KEY_Value = 6 ; break;case 0X7B: KEY_Value = 5 ; break;case 0X77: KEY_Value = 4 ; break;default : break;}while(temp != 0X0F){temp = P3 ; //将P3口读出的数字赋值给temp temp = temp & 0X0F ; // 0111 XXXX & 0000 1111 = 0000 XXXX }}}P44=1; P42=0; P3=0XBF; // //0111 1111 扫描第一列temp = P3 ; //将P3口读出的数字赋值给temp temp = temp & 0X0F ; // 0111 XXXX & 0000 1111 = 0000 XXXX if(temp != 0X0F){Delay_MS(5);temp = P3 ; //将P3口读出的数字赋值给temp temp = temp & 0X0F ; // 0111 XXXX & 0000 1111 = 0000 XXXX if(temp != 0X0F){temp = P3 ;switch(temp) //1110 1101 1011 0111 {case 0XBE: KEY_Value = 11 ; break;case 0XBD: KEY_Value = 10 ; break;case 0XBB: KEY_Value = 9 ; break;case 0XB7: KEY_Value = 8 ; break;default : break;}while(temp != 0X0F){temp = P3 ; //将P3口读出的数字赋值给temp temp = temp & 0X0F ; // 0111 XXXX & 0000 1111 = 0000 XXXX }}}P44=1; P42=1; P3=0XDF; // //1101 1111 扫描第一列temp = P3 ; //将P3口读出的数字赋值给temp temp = temp & 0X0F ; // 0111 XXXX & 0000 1111 = 0000 XXXX if(temp != 0X0F){Delay_MS(5);temp = P3 ; //将P3口读出的数字赋值给temp temp = temp & 0X0F ; // 0111 XXXX & 0000 1111 = 0000 XXXX if(temp != 0X0F){temp = P3 ;switch(temp) //1110 1101 1011 0111 {case 0XDE: KEY_Value = 15 ; break;case 0XDD: KEY_Value = 14 ; break;case 0XDB: KEY_Value = 13 ; break;case 0XD7: KEY_Value = 12 ; break;default : break;}while(temp != 0X0F){temp = P3 ; //将P3口读出的数字赋值给temp temp = temp & 0X0F ; // 0111 XXXX & 0000 1111 = 0000 XXXX }}}P44=1; P42=1; P3=0XEF; // //0111 1111 扫描第一列temp = P3 ; //将P3口读出的数字赋值给temp temp = temp & 0X0F ; // 0111 XXXX & 0000 1111 = 0000 XXXX if(temp != 0X0F){Delay_MS(5);temp = P3 ; //将P3口读出的数字赋值给temp temp = temp & 0X0F ; // 0111 XXXX & 0000 1111 = 0000 XXXX if(temp != 0X0F){temp = P3 ;switch(temp) //1110 1101 1011 0111 {case 0XEE: KEY_Value = 19 ; break;case 0XED: KEY_Value = 18 ; break;case 0XEB: KEY_Value = 17; break;case 0XE7: KEY_Value = 16; break;default : break;}while(temp != 0X0F){temp = P3 ; //将P3口读出的数字赋值给temp temp = temp & 0X0F ; // 0111 XXXX & 0000 1111 = 0000 XXXX }}}
}
*/ 2.iic.c文件
#include "reg52.h"
#include "intrins.h"#define DELAY_TIME 5#define SlaveAddrW 0xA0
#define SlaveAddrR 0xA1//总线引脚定义
sbit SDA = P2^1; /* 数据线 */
sbit SCL = P2^0; /* 时钟线 */void IIC_Delay(unsigned char i)
{do{_nop_();}while(i--);
}
//总线启动条件
void IIC_Start(void)
{SDA = 1;SCL = 1;IIC_Delay(DELAY_TIME);SDA = 0;IIC_Delay(DELAY_TIME);SCL = 0;
}//总线停止条件
void IIC_Stop(void)
{SDA = 0;SCL = 1;IIC_Delay(DELAY_TIME);SDA = 1;IIC_Delay(DELAY_TIME);
}//发送应答
void IIC_SendAck(bit ackbit)
{SCL = 0;SDA = ackbit; // 0：应答，1：非应答IIC_Delay(DELAY_TIME);SCL = 1;IIC_Delay(DELAY_TIME);SCL = 0; SDA = 1;IIC_Delay(DELAY_TIME);
}//等待应答
bit IIC_WaitAck(void)
{bit ackbit;SCL = 1;IIC_Delay(DELAY_TIME);ackbit = SDA;SCL = 0;IIC_Delay(DELAY_TIME);return ackbit;
}//通过I2C总线发送数据
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;
}//从I2C总线上接收数据
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;
}void AD_write(unsigned char dat)
{IIC_Start();IIC_SendByte(0X90);IIC_WaitAck();IIC_SendByte(0X40);IIC_WaitAck();IIC_SendByte(dat);IIC_WaitAck();IIC_Stop();
}unsigned char AD_read(unsigned char add)
{unsigned char dat;IIC_Start();IIC_SendByte(0X90);IIC_WaitAck();IIC_SendByte(add);IIC_WaitAck();IIC_Stop();IIC_Start();IIC_SendByte(0X91);IIC_WaitAck();dat=IIC_RecByte();IIC_SendAck(1);IIC_Stop();return dat;
}3.IIC.H文件
#ifndef _IIC_H
#define _IIC_Hvoid 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); void AD_write(unsigned char dat);
unsigned char AD_read(unsigned char add);#endif本文来自互联网用户投稿，文章观点仅代表作者本人，不代表本站立场，不承担相关法律责任。如若转载，请注明出处。 如若内容造成侵权/违法违规/事实不符，请点击【内容举报】进行投诉反馈！