SD_CS_LOW();
SD_WriteByte(0x2F); // set the Int_Map
SD_WriteByte(0x00); //map the interrupt to INT1 pin
//ADXL345_only_WriteByte(0x802E);
SD_CS_HIGH();
SD_CS_LOW();
SD_WriteByte(0x2E); // set the Int_Enable
SD_WriteByte(0x02); //在使能watermark中断
//ADXL345_only_WriteByte(0x802E);
SD_CS_HIGH();