static uint8_t ao_adc_ready;
-#define AO_ADC_CR2_VAL(start) ((HAS_ADC_TEMP << STM_ADC_CR2_TSVREF) | \
+#define AO_ADC_CR2_VAL(start) ((HAS_ADC_TEMP << STM_ADC_CR2_TSVREFE) |\
((start) << STM_ADC_CR2_SWSTART) | \
(0 << STM_ADC_CR2_JWSTART) | \
(0 << STM_ADC_CR2_EXTTRIG) | \