function.h

温度仪表软件

#ifndef _FUNCTION_
#define _FUNCTION_

// IIC.c
extern void start_iic();
extern void stop_iic();
extern void ack_iic();
extern void nack_iic();
extern void write_byte(uchar c);
extern uchar read_byte();

extern bit write_nbyte(uchar slave,uchar addr,uchar *s,uchar n);//向EEPROM中写N个字节
extern bit read_nbyte(uchar slave,uchar addr,uchar *s,uchar n); //从EEPROM中读N个字节

//display.c
extern void display_process(float temp);//温度值转换,显示处理程序
extern void display_set_L();   			// 下限报警值转换,显示处理程序
extern void display_set_H();  			//上限报警值转换,显示处理程序
extern void display();       			//显示子程序
extern void display_set_rtc();
//delay.c
extern void delay(int n);		//延迟 n ms程序

//pt100_init.c
extern void pt100_init();      //向EEPROM中写斜率K和内码值AD
extern pt100_read4(uchar addr);//从EEPROM中读四个字节
extern pt100_read2(uchar addr);//从EEPROM中读两个字节
extern void pt100_shift(ad_num);     //将内码值转换成温度值

//key.c
extern void key();	     	   // 按键处理子程序
extern void KEY_2_process();   //按键2处理子程序
extern void KEY_3_process();   //按键3处理子程序
extern uchar key_process();

							   
//alarm.c
extern void alarm();    	  //报警处理子程序

//ad7705.c
extern void ad7705_init();					 //ad7705初始化
extern void ad7705_write(uchar ad_word);	 //ad7705写状态寄存器
extern uint ad7705_read();					 //ad7705读数据寄存器
//extern uint filter();
//DS1307.c
extern void ds1307_init();
//extern void Write1307(unsigned char add,unsigned char dat);
//extern uchar Read1307(unsigned char add);
//extern void Read_RTC(void);
extern void rd_ds1307(uchar reg_ds1307);
extern void wr_ds1307(uchar reg_ds1307);



//extern void updown();
#endif