/*******************************************************************************
*?文件名	:?mlx90614.c
*?作??者	:?
*?版??本	:?
*?日??期	:?2015-11-25
*?描??述	:?mlx90614函數
*******************************************************************************/

/*?Includes?------------------------------------------------------------------*/
#include?“mlx90614.h“
#include?“stm32f10x.h“

/*?Private?typedef?-----------------------------------------------------------*/
/*?Private?define?------------------------------------------------------------*/
#define?ACK	?0
#define	NACK?1
#define?SA				0x00?//Slave?address?默認為0x5a
#define?RAM_ACCESS		0x00?//RAM?access?command
#define?EEPROM_ACCESS	0x20?//EEPROM?access?command
#define?RAM_TOBJ1		0x07?//To1?address?in?the?eeprom

#define?SMBUS_PORT	????GPIOB
#define?SMBUS_SCK		GPIO_Pin_6
#define?SMBUS_SDA		GPIO_Pin_7

#define?RCC_APB2Periph_SMBUS_PORT		RCC_APB2Periph_GPIOB

#define?SMBUS_SCK_H（）	????SMBUS_PORT->BSRR?=?SMBUS_SCK??//置高
#define?SMBUS_SCK_L（）	????SMBUS_PORT->BRR?=?SMBUS_SCK???//置低
#define?SMBUS_SDA_H（）	????SMBUS_PORT->BSRR?=?SMBUS_SDA
#define?SMBUS_SDA_L（）	????SMBUS_PORT->BRR?=?SMBUS_SDA

#define?SMBUS_SDA_PIN（）	????SMBUS_PORT->IDR?&?SMBUS_SDA?//讀取引腳電平

/*?Private?macro?-------------------------------------------------------------*/
/*?Private?variables?---------------------------------------------------------*/

/*******************************************************************************
*?Function?Name??:?SMBus_StartBit
*?Description????:?Generate?START?condition?on?SMBus
*?Input??????????:?None
*?Output?????????:?None
*?Return?????????:?None
*******************************************************************************/
void?SMBus_StartBit（void）
{
????SMBUS_SDA_H（）;		//?Set?SDA?line
????SMBus_Delay（5）;	????//?Wait?a?few?microseconds
????SMBUS_SCK_H（）;		//?Set?SCL?line
????SMBus_Delay（5）;	????//?Generate?bus?free?time?between?Stop
????SMBUS_SDA_L（）;		//?Clear?SDA?line
????SMBus_Delay（5）;	????//?Hold?time?after?（Repeated）?Start
????//?Condition.?After?this?period?the?first?clock?is?generated.
????//（Thd:sta=4.0us?min）
????SMBUS_SCK_L（）;	????//?Clear?SCL?line
????SMBus_Delay（5）;	????//?Wait?a?few?microseconds
}

/*******************************************************************************
*?Function?Name??:?SMBus_StopBit
*?Description????:?Generate?STOP?condition?on?SMBus
*?Input??????????:?None
*?Output?????????:?None
*?Return?????????:?None
*******************************************************************************/
void?SMBus_StopBit（void）
{
????SMBUS_SCK_L（）;		//?Clear?SCL?line
????SMBus_Delay（5）;	????//?Wait?a?few?microseconds
????SMBUS_SDA_L（）;		//?Clear?SDA?line
????SMBus_Delay（5）;	????//?Wait?a?few?microseconds
????SMBUS_SCK_H（）;		//?Set?SCL?line
????SMBus_Delay（5）;	????//?Stop?condition?setup?time（Tsu:sto=4.0us?min）
????SMBUS_SDA_H（）;		//?Set?SDA?line
}

/*********************************************************************