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USART with DMA after stop2 mode not working.

Hi folks, I,m using STM32l4 MCU, I have configured USART3 with DMA1 with 1Mb/s baudrate. My concern is its worked fine if I don't put MCU in a Stop2 mode state. But if I put MCU in Stop2 mode state after waking up its not working. Here is the uart In...

ARehm by • Associate III
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  • 3 replies
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STM32G071RB download pin?

I am using STM32G071RB. It is fine to connect only swdio, swclk, and gnd for program download. Is it necessary to connect the reset line?

CByou.1 by • Associate
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  • 1 replies
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Resolved! STM32L0 ADC register

I am using STM32L073.When using this ADC, the EOC of the flag ADC_ISR for which AD conversion has been completed does not change unless the EOCIE of ADC_IER is set.is it right.

HMura.6 by • Associate II
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  • 3 replies
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Resolved! STM32L475 - STOP2 multiple wake up modes

I have the STM32L475 working in STOP2 wake up as WFE based on the RTC. I would now like to add in an external interrupt source (WFI). There doesn't appear to be a way to use both a WFI and a WFE as wake up. The only way I could see would be to have a...

PVall by • Associate II
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  • 2 replies
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STM32H745I_DISCO stuck at check VOSRDY bit

Hi All,When I try to boot the M7 core alone and I disabled the M4 core. I create a simple stm32Cube project, the code stuck at:while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}inside the SystemClock_Config() function. The VOSRDY will set only when I cha...

LWei.1 by • Associate II
  • 1135 Views
  • 1 replies
  • 1 kudos

Resolved! DMA2D_IRQHandler does not get called upon transfer complete

I have migrated code working fine on STM32F767 to STM32H7A3.The strange thing is DMA2D_IRQHandler does not get called upon memory-to-memory transfer complete. I call HAL_DMA2D_Start_IT() function, it returns no error, it does what it should, I can ev...

TDJ by • Lead
  • 850 Views
  • 1 replies
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Hi experts i'm trying to detect my STEVAL-STWINWFV1WiFi with the STEVAL-STWINKT1 by programming the BLE Wifi Connectivity to the evaluation board.

can it be that it is only possible to program it only with the STLINK-V3MINI and not with the eval board usb?my STLINK-V3MINI doesn't work so i rely only on the eval board usbif the is a guide for the  STEVAL-STWINWFV1 for the wifi connectivity it wo...

TDota.1 by • Associate II
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