adc5_read
ret = adc5_read(adc, ADC5_USR_DATA0, &rslt_lsb, sizeof(rslt_lsb));
ret = adc5_read(adc, ADC5_USR_DATA1, &rslt_msb, sizeof(rslt_lsb));
ret = adc5_read(adc, ADC5_USR_STATUS1, &status1,
ret = adc5_read(adc, ADC5_USR_DIG_PARAM, buf, sizeof(buf));
ret = adc5_read(adc, ADC5_USR_DIG_PARAM, buf, sizeof(buf));
ret = adc5_read(adc, ADC5_USR_STATUS1, &status, 1);
ret = adc5_read(adc, ADC5_USR_REVISION1, dig_version,