iic_app.h

来自「菜鸟，详细NRF24E1运用，程序，电路」· C头文件 代码 · 共 44 行

#include "reg24le1.h"

#ifndef IIC_H__
#define IIC_H__


#define LED  P00

#define startaddr 0x00
#define endaddr   0x10 
#define slaveaddr 0x00    //define a slave device's address 

#define MASTER 0X02
#define SLAVE  0x00

#define true   0x01
#define false  0x00

#define READY (W2CON1&0X01)	  //if ready ==1,not ready==0
#define ACK   (W2CON1&0X02 )  //1;no ack and 0 ack
#define EN2WIRE()  W2CON0|=0x01;//enable 2 wire
#define DISABLE2WIRE() 	W2CON0&=0xFE;
#define STOP()    W2CON0|=0x20;
#define START()   W2CON0|=0x10;
#define FREQSEL(x)  W2CON0|=(x<<2);
#define MODE(x)	   W2CON0&=(0xff-0x02);W2CON0|=x;  //master or slave

//some functions
void delay(unsigned int dx);
unsigned char readbyte(unsigned int addr);
void writebyte(unsigned int addr,unsigned char dat);
void IIC_init();
void uart_init();
void writedat(unsigned char cmd);
void send(unsigned char ch);
void Io_config();
void multwrite(char *buffer,int addr);
void multyread(char *buffer,int len);
unsigned char keycheck(void);
void writebyte(unsigned int addr,unsigned char dat);
void puts(char *str);
void ex_int(void);

#endif