STM32 MCUs Products

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STM32H753i-EVAL2 LCD functionality

I am using the STM32H753i-EVAL2 board to test LCD and touch screen functionality. Currently I am unable to generate the code using CubeMX as sample codes dont have the .IOC file. I need help in setting up the LCD and touch screen via CubeMX.It is dif...

hrm2519 by Associate II
  • 1127 Views
  • 4 replies
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STM32H7 watchdog does not correctly reset. Example attached

I have been battling an issue for a while where upon a watchdog (WWDG1) timeout, the system was not correctly reset. I was finding that the CPU and NVIC are reset but all the peripherals are not reset after a watchdog reset, they keep their exact reg...

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ADunc.1 by Senior
  • 8470 Views
  • 34 replies
  • 5 kudos

STM32H743 3ADC's With DMA

I have implemented 3 ADC with DMA. ADC1 with DMA1 stream 0 , ADC2 with DMA2 stream 0 and ADC3 with BDMA channel 0 Resolution : 16 bit , ADC clock : 7MHZ , Sample : 8.5 cyclesAll these ADC are Time trigger for that i am using timer 1 as center aligned...

Kanna by Associate III
  • 1688 Views
  • 8 replies
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STM32 Nucleo I2C Slave answer with Interrupt

Hello, everyoneI'm trying to make an I2C slave with a Nucleo-F401RE.Writing from Master (Raspberry) to Slave (Nucleo) works very well.But the response of the Slave (Nucleo) to a read command from the master (Raspberry) does not work.I tried a very si...

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SBühl.1 by Associate
  • 695 Views
  • 1 replies
  • 0 kudos

Resolved! Wake-up from RTC-alarm works only once

I am trying to set RTC-alarm event to wake up an STM32F103C8T6 from sleep-mode (not standby, not stop) and it works once, but subsequent alarms never wake the MCU up. Nothing I've tried seems to work and I no longer have any idea how to fix this.The ...

Is it possible to use analog watchdog without adc interrupt?

I am thinking of turning on ADC with DMA when analog watchdog detect certain level of signal. Then I would like to turn on ADC with only watchdog first and when LevelOutOfWindowCallback() is called ADC with DMA starts. I tried code below but it didn'...

SShir.2 by Associate II
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  • 2 replies
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Resolved! Trouble with multiple ADCs and DMA

I'm trying to get ADC values from multiple channels of ADC1 of STM32F103C8T6 using DMA where conversion is triggered by TIM3 every 1ms. However, I'm not seeing the right values. I tried the polling mode and that worked fine. Here is the main function...

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