STM32 MCUs Products

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USB HID Host MX_USB_HOST_Process Call

I've setup my STM32L475 non-RTOS as a USB HID Host to interface with a barcode scanner.  All works well if I call sdf MX_USB_HOST_Process in my main application loop with no delays.  However, if MX_USB_HOST_Process is not called fast enough, characte...

Stanford by Associate II
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  • 1 replies
  • 0 kudos

Resolved! Writing data on internal flash of STM32f76

Hello, I want to take data from ADC input and store them on the internal flash memory of my STM32f769i-discovery board. Can you help me about the use of flash memory? Thank you.

elif79 by Associate
  • 1238 Views
  • 2 replies
  • 2 kudos

Resolved! STM32G0B0 USART1 data incorrect

- STM32G0B0 USART1 receiving RS485 data via interrupt driven data collection.   Our micro is attached to a RS485 interface(38400, 8,N,1) receiving BACnet data. The data taken on the 485 bus is different from what we receive in the USART buffers. We h...

Capture.JPG RigolDS0.jpg Capture.JPG

Resolved! How PLL affects timer Pre-sclaer.

Below i have attached a code which enables the PLL freq of 72MHz using HSI of 16MHz. The issue is if I give a Timer pre-scaler of 36000-1 (I am using timer2, which in case of STM32F401RE is on APB1 bus so using a pre-scaler of 2 for APB1 which makes ...

DJ1 by Associate III
  • 5386 Views
  • 12 replies
  • 2 kudos

Resolved! UCPD activation crashes STM32U5 MCUs - hardware bug?

Using Nucleo-U575ZI-Q (rev X) board I try to do a PoC - a very simple UCPD source app providing default USB 5V and 0.5A max. With undocumented onboard SB8-10 shorten this probably can be accomplished. I know this board does not provide output current...

TDJ by Lead
  • 6954 Views
  • 20 replies
  • 4 kudos

Resolved! CRC16-DNP calculation error

Hi,Im trying to get CRC16 - DNP from a string array that its the next:char Message2[] = { 0x00, 0x00, 0x00, 0x29, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x31, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x32, 0x30, 0x36, 0x33, 0x57...

Dosan by Associate III
  • 5733 Views
  • 11 replies
  • 0 kudos