FUSB_REG_MEASURE
ret = fusb302_i2c_write(chip, FUSB_REG_MEASURE, rd_mda);
ret = fusb302_i2c_write(chip, FUSB_REG_MEASURE, ra_mda);
ret = fusb302_i2c_write(chip, FUSB_REG_MEASURE, rd_mda);
ret = fusb302_i2c_write(chip, FUSB_REG_MEASURE, rd_mda);