#ifndef __SPI_H
#define __SPI_H

#include "stm32f4xx.h"
 

 
/* MAX31865参考电阻 */
#define RREF            (400)  //400Ω
 
 
/* MAX31865控制口 */
#define MAX31865_CONTROL_PORT   GPIOB
#define MAX31865_DRDYL_PORT     GPIOD
#define MAX31865_SDO            GPIO_Pin_14
#define MAX31865_CS             GPIO_Pin_12
#define MAX31865_SCLK           GPIO_Pin_13
#define MAX31865_SDI            GPIO_Pin_15
#define MAX31865_DRDY 	        GPIO_Pin_8 
 
#define MAX31865_CS_SET         GPIO_WriteBit(MAX31865_CONTROL_PORT,MAX31865_CS,Bit_SET)
#define MAX31865_CS_CLR      	GPIO_WriteBit(MAX31865_CONTROL_PORT,MAX31865_CS,Bit_RESET)
#define MAX31865_SCLK_SET    	GPIO_WriteBit(MAX31865_CONTROL_PORT,MAX31865_SCLK,Bit_SET)
#define MAX31865_SCLK_CLR    	GPIO_WriteBit(MAX31865_CONTROL_PORT,MAX31865_SCLK,Bit_RESET)
#define MAX31865_SDI_SET    	GPIO_WriteBit(MAX31865_CONTROL_PORT,MAX31865_SDI,Bit_SET)
#define MAX31865_SDI_CLR     	GPIO_WriteBit(MAX31865_CONTROL_PORT,MAX31865_SDI,Bit_RESET)
 
#define MAX31865_SDO_READ    	GPIO_ReadInputDataBit(MAX31865_CONTROL_PORT,MAX31865_SDO)
#define MAX31865_DRDY_READ   	GPIO_ReadInputDataBit(MAX31865_DRDYL_PORT,MAX31865_DRDY)
 
void MAX31865_Init(void); //MAX31865 初始化,软件模拟
void MAX31865_Cfg(void);  //MAX31865 配置
float MAX31865_GetTemp(void);//MAX31865 获取温度

void MAX31865_Write(unsigned char addr, unsigned char data);
unsigned char MAX31865_Read(unsigned char addr);
//void SPI_Inital(void);
 void Delay_Times(int d);



 
#endif