ds18b20.h

来自「AVR红外遥控」· C头文件 代码 · 共 35 行

#ifndef _DS18B20_H_
#define _DS18B20_H_

#include <avr/delay.h>

#define DS_PLACE	PD4				//DS18B20的位置
#define FOSC 		7372800   		//晶振3.6864MHZ
#define BAUD 		9600	  		//波特率
#define uchar unsigned char
#define uint  unsigned int
#define ulong unsigned long



extern uint8_t Rom_code[8];
extern uint8_t *Asc2p;
extern uint16_t Temperature;


void uart0_init(void);
void ds1820_init(void);
void DelayMs(uint ms);
void delay_us(int time);
void putchar(uint8_t c);
unsigned char ds1820_ack(void);
unsigned char ds1820_read(void);
void ds1820_write(unsigned char cmd);
void ds1820_match (unsigned char *p);
uint8_t crccheck(uint8_t *p,uint8_t len);





#endif