STM32 MCUs Embedded software

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Resolved! LWIP + D-Cache problem (STM32H747I-DISCO)

Greetings, I have a problem with LWIP when the D-Cache is enabled. My test program:int main(void){ /* USER CODE BEGIN 1 */  /* USER CODE END 1 *//* USER CODE BEGIN Boot_Mode_Sequence_0 */  int32_t timeout;/* USER CODE END Boot_Mode_Sequence_0 *//* E...

hzoli by Associate
  • 1431 Views
  • 3 replies
  • 3 kudos

I'm having problem with B-L462E-CELL1 evaluation board to connect to truphone network via eSIM in Australia. I'm able to use plastic sim card from telstra to stablish the connection. I'm receiving this error:

AT%CEER?<CR>  <CR><LF>  %CEER: 1,"NAS-EMM","ATTACH","REJECT",#15,NO_SUITABLE_CELLS_IN_TRACKING_AREA<CR><LF>  <CR><LF>  OK<CR><LF>Here is the modem configuration:Cellular Service InfosModem state     : 4 (Modem registered on network)Signal Quality    ...

Desh by Associate
  • 1003 Views
  • 3 replies
  • 1 kudos

Resolved! while loop requires semicolon or not

When I run the below code snippet, it just runs for once, however when I added semicolon as in latter code piece, it runs as expected, continously. Could you please tell me why is the difference? /* USER CODE BEGIN WHILE */ while (1) { /* USER COD...

demir by Senior II
  • 790 Views
  • 5 replies
  • 1 kudos

Resolved! Running into a strange problem . We're working on a safety project and using the ST-provided STL library on an STM32H743. Failing the Flash test when attempting to get 100% test coverage. Mode details in section below.

The STL library is configured to test a multiple of sectors at a time (128kByte each).Our usage model is closely derived from the Nucleo reference project that ST provides as an aid to integrate the STL library; and we're using the IAR project in tha...

DamienF by Associate II
  • 5166 Views
  • 10 replies
  • 0 kudos

Resolved! Help debugging a USB composite HID device

I'm trying to create a composite HID device, mouse+joystick. I'm using the HID mouse profile as a starting point and then add a second interface. I also used an already existing example as a guide: the Arduino core based on the HAL is maintained by S...

fbar by Senior
  • 3100 Views
  • 7 replies
  • 4 kudos

STM32 Nucleo-u5a5zj USB host

I have a Nucleo-u5a5zj board and I want to connect a NewLand FM430 scanner that works as a virtual COM port. In the example, I only saw the USB CDC ACM device, but I only need the configuration for the host. Can you give me more explanation of what I...

GhostVVS by Associate II
  • 1383 Views
  • 7 replies
  • 1 kudos

Resolved! Is Azure RTOS free for STM32F767xx MCUs?

Please let me know if I can use the Azure RTOS free with the STM32F767xx MCU and if it is free how can I use the same on my NUCLEO-F767ZI board? Please response as soon as possible. I need this to use the file system and also the ethernet/USB communi...