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Resolved! offset on the ADC

I want to read the Vdd (link to VDDA) of my board with the ADC in a STM32L072. I try read it through a divider bridge or through VrefInt, and both give me a value far below the voltmeter value.here is my config: hadc.Instance = ADC1; hadc.Init.Ov...

Ppeyr.1 by • Associate III
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CAN TX stopped working

Hello, I'm using stm32F446RE.Sending CAN messages to two controllers and it stopped working after some seconds if time delay between the messages is less than one second, And it's slow for my project.looking for suggestions, attaching some of my code...

SPati.9 by • Associate II
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Resolved! Clear Tim1 --- STM32L476RG?

Hello All....Simple question. I am using the functions(HAL_TIM_Base_Stop_IT and HAL_TIM_Base_Start_IT). Basically I set a timer to count to a value and an interrupt occurs. The timer starts on a GPIO edge. I would like the timer to always zero out at...

SWenn.1 by • Senior III
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RTC Internal timestamp is only updated when the first time RTC is initialized and power shifted to VBAT. On further power up and shutdown events that RTC Timestamp registers are not being updated with new time stamp values.

 I'm reading TS and clearing TSF, ITSF, TSOVF flags upon power up. But when power cycle happens again, the TS registers are still containing the previous value, but not present value.

vamsi by • Associate II
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Resolved! 32bit input capture (AN2592) inaccuracy

Apnote "Achieving 32-bit timer resolution with software expansion" (AN2592) mentions that it is possibleto create 32bit input capture with only one 16bit timer. Combine interrupt from update event to count timer overflows and regular 16bit input cap...

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