#include?“bmp180.h“

short?ac1;
short?ac2;?
short?ac3;?
unsigned?short?ac4;
unsigned?short?ac5;
unsigned?short?ac6;
short?b1;?
short?b2;
short?mb;
short?mc;
short?md;
/*?Private?function?prototypes?-----------------------------------------------*/
void??Delay（u32?nCount）;
//void?GPIO_Configuration（void）;
extern?void?I2C_delay（uint32_t?cnt）;

/**
??*?@brief??Main?program
??*?@param??None
??*?@retval?None
??*/
?////Read?calibration?data?from?the?E2PROM?of?the?BMP180
?////read?out?E2PROM?registers?16?bit?MSB?first
void?temp_calibration（void）
{
??uint8_t?buf[2];
??I2C_Read（Open_I2CADDR_24LC020xaabuf?2）;
??ac1?=?buf[0]?<??I2C_Read（Open_I2CADDR_24LC020xacbuf?2）;
??ac2?=?buf[0]?<??I2C_Read（Open_I2CADDR_24LC020xaebuf?2）;
??ac3?=?buf[0]?<??I2C_Read（Open_I2CADDR_24LC020xb0buf?2）;
??ac4?=?buf[0]?<??I2C_Read（Open_I2CADDR_24LC020xb2buf?2）;
??ac5?=?buf[0]?<??I2C_Read（Open_I2CADDR_24LC020xb4buf?2）;
??ac6?=?buf[0]?<??I2C_Read（Open_I2CADDR_24LC020xb6buf?2）;
??b1?=?buf[0]?<??I2C_Read（Open_I2CADDR_24LC020xb8buf?2）;
??b2?=?buf[0]?<??I2C_Read（Open_I2CADDR_24LC020xbabuf?2）;
??mb?=?buf[0]?<??I2C_Read（Open_I2CADDR_24LC020xbcbuf?2）;
??mc?=?buf[0]?<??I2C_Read（Open_I2CADDR_24LC020xbebuf?2）;
??md?=?buf[0]?<??////printf（“ac1=%dac2=%dac3=%dac4=%dac5=%dac6=%db1=%db2=%dmb=%dmc=%dmd=%d\r\n“ac1ac2ac3ac4ac5ac6b1b2mbmcmd）;
}

void?test_pressure_main（void）
{
	
??long?x1x2x3b3b5b6b7press_regpressuretemp_regtemp;
	//long?x1x2x3b3b5b6b7press_regpressuretemp_reg;
??unsigned?long?b4;
??//int?reti;

??uint8_t?ReadBuffer[10];
	//unsigned?short?;
??//unsigned?int?;
??char?oss?=?0;??//這個值在讀氣壓時(shí)可以置進(jìn)寄存器
	//GPIO_Configuration（）;
	////USART_Configuration（）;
??I2C_Configuration（）;
	
	////printf（“\r\n****************************************************************\r\n“）;
	//while?（1）
	//{	
	////printf（“\r\n?Read?start?\r\n“）;
?
??temp_calibration（）;
??
??//read?uncompensated?temperature
??I2C_WriteOneByte（Open_I2CADDR_24LC020xf40x2e）;
??I2C_delay（200000）;//delay?4.5ms
??//ret?=?I2C_Read（Open_I2CADDR_24LC020xf6ReadBuffer2）;
??I2C_Read（Open_I2CADDR_24LC020xf6ReadBuffer2）;
??temp_reg?=?ReadBuffer[0]?<??////printf（“temp_reg?%d?\r\n“temp_reg）;
??
??//calculate?true?temperature
??x1?=?（（temp_reg?-?ac6）?*?ac5）?>>?15;
??x2?=?（（long）?mc?<??b5?=?x1?+?x2;
??temp?=?（b5?+?8）?>>?4;
??bmp180_temp=temp;
??////printf（“x1:%d?x2:%d?b5:%d?temp（*0.1）:%d?\r\n“x1x2b5temp）;
??
??//read?uncompensated?pressure
??
??//////write?0x34+（oss<<6）?into?reg?0xF4?wait?4.5ms
??I2C_WriteOneByte（Open_I2CADDR_24LC020xf4（0x34?+（oss<<6）））;
??
??//I2C_WriteOneByte（Open_I2CADDR_24LC020xf4（0x3e?+?oss<<6））;
??//I2C_WriteOneByte（Open_I2CADDR_24LC020xf4