STM32L432 Nucleo reading internal temperature sensor

[Jeremy Kapp]

Posted on March 14, 2017 at 03:29

I have STM32L432 Nucleo board. Using CubeMX I have configured the ADC1 IN17 to temperature sensor channel.

How do you read this register using the HAL layer?

I can already poll adc1 IN5 to read an external temperature sensor using a MCP9700A. I would like to compare the external reading with the internal reading.

To get the external sensor I used HAL_ADC_PollForConversion.

Thanks

[Imen.D]

Posted on March 15, 2017 at 13:40

Hello,

You can have a look at the ADC_TemperatureSensor example in the Cube firmware package : 

STM32Cube_FW_L4_V1.6.0\Projects\STM32L476RG-Nucleo\Examples_LL\ADC\ADC_TemperatureSensor

and refer to the 'Temperature sensor' section in the datasheet and your reference manual.

Imen