STM32 MCUs Embedded software

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Read Vrefint in STM32F105VCT7

I want to get an actual voltage reading at VDDA and I have configured the Vrefint adc channel. I saw in another questionnaire mentioning VDDA = 3.3*(VREFINT_CAL/VREFINT_DATA). But it seems like no macro exists as VREFINT_CAL. How can I read the VDDA ...

SPeri.1 by Associate II
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B-L4S5I-IOT01A

Hi,I going to choose "B-L4S5I-IOT01A" this board for my project (it is combination of ADC and IOT), can please in which IDE version having all these libraries for ADC and Wi-Fi on this board.Thanks,