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Default struct fields alignment

Hello,which is the default struct fields alignment policy of GCC, on STM32 MCU? I have the following structure: typedef struct{  uint32_t   param1;  float      param2;  uint16_t   param3;} PARAM_T;  I expected a size of 10 bytes, but it is 12 instead...

CTabo.1 by Senior
  • 1412 Views
  • 2 replies
  • 0 kudos

OSPI in QSPI mode, issue with sending address

I'm importing some QSPI code we've been using a few years from an SMT32F7xx project to a new project using an STM32L4xx. Both projects use the same target device. I'm having an issue where the majority of messages don't seem to be sent. After debuggi...

TimJones by Associate
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  • 8 replies
  • 3 kudos

Resolved! I can't connect my Nucleo to my STM32L0 board

Well, I'm new to the STM32. I'm developing vibration and temperature sensors, which used to be equipped with an atmega.With the new demand for processing I decided to upgrade by putting an STM32L0 in place of the old controller.The problem is that no...

Resolved! CAN initializing issue

Hi ST-CommunityI am working on CAN Communication in F103When I am de-initializing properly , But when , I am reinitializing it is not workingPlease tell me how to reinitialize CAN Communication if (0 == HAL_GPIO_ReadPin(BRAKE_GPIO_Port, BRAKE_Pin)) {...

Resolved! Zephyr: how DAC on STM32H723ZG ?

Dear all,does anyone have experience with setting analog output signals via Zephyr RTOS? I managed to get the D/A conversion on the Nucleo H723ZG to run via STM32CubeIDE, but I’m running intro trouble when using Zephyr. Apparently a "DAC" driver is r...

Lysandros by Associate II
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  • 4 replies
  • 2 kudos

Update firmware from W25Qxx flash

I use a board with STM32F405 + W25Qxx. At the moment, I have implemented downloading the firmware file to an external flash memory (via CAN). The process of downloading and verification is implemented in the main firmware. It is necessary to implemen...

Kuzma30 by Associate II
  • 1073 Views
  • 4 replies
  • 0 kudos

STM32f446 Usb Dfu Bootloader Problem at High Temperature

Hello,Thank you in advance for your assistance.I have designed a circuit with STM32F446. I am using an external 25MHz crystal. The main application program runs fine without any issues, and USB communication works. However, on some boards, I am unabl...

mcu.jpg crystals.jpg
bymrz by Associate II
  • 3784 Views
  • 18 replies
  • 2 kudos

Reset-after-Capture delay in Timer: a lost thread

In the past, we've discussed the fact that in STM32 TIM, there's a delay between Capture and Reset through the derived from the same signal than the Capture. This delay causes period measured using the method called "PWM Input" in RM, to be a couple ...

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