spi._h

单片机中的中断处理模块

/*
**  Header file : spi.h
*/

/* SPI header for AVR */
#ifndef		__SPI__H
#define		__SPI__H


#include "stdtypes.h"
#include "iom128v.h"

/*
**  Constants for spi_init()
*/
#define     SPI_DATA_ORDER_MSB_FIRST    0x00
#define     SPI_DATA_ORDER_LSB_FIRST    0x40
#define     SPI_CLOCK_POLARITY          0x08
#define     SPI_CLOCK_PHASE             0x04
#define     SPI_CLOCK_RATE_DIV4         0x00
#define     SPI_CLOCK_RATE_DIV16        0x01
#define     SPI_CLOCK_RATE_DIV64        0x02
#define     SPI_CLOCK_RATE_DIV128       0x03

#define     DDR_SPI        DDRB
#define     DD_SS          DDB4//DDB0//
#define     DD_MOSI        DDB5//DDB2//
#define     DD_MISO        DDB6//DDB3//
#define     DD_SCK         DDB7//DDB1//

#define     MASTER         1
#define     SLAVE          0

void spi_init(UNS8 controlregister); //UNS8 controlregister
UNS8 spi_read_byte(void);
UNS8 SpiReadDataReg(void);
void set_voltage_chx(UNS8 ch, UNS8 voltage);
void collection_data(void);
void control_data(void);
void oil_data(void);
#endif

/*
**  End of Header file
*/