STM32 MCUs Embedded software

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STM32 not working when leave USB or dont plug USB

Hi guys,I have a program use USB CDC and some function(STM32F103C8T6 StdPeriph lib). If use USB to power supply then program normal working, but it's working I leave USB out from Board (have sub power supply for Board) Program stop now. And if don't ...

TPham.10 by Associate II
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  • 2 replies
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Resolved! STM32L0 use internal EEPROM

Hello,i just want to use the Internal EEPROM of my STM32L052.I followed the short description in the STM32CubeMX manual. But it is not working. Here my small code example HAL_FLASHEx_DATAEEPROM_Unlock(); HAL_FLASHEx_DATAEEPROM_Erase(0x08080000U); ...

Why STM32H743ZI DFU bootloader does not come up?

Hell ST community!I have made a board with an STM32H743ZI MCU on it. It has connections to pins where serveral USART peripherals sit (without pull-ups) and uses USB FS on PA9 to PA12.My problem is that the DFU bootloader does not show up via USB. If ...

martin.k by Associate II
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  • 8 replies
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Resolved! Canbus Filter Matching Index

Hi, I'm fairly new to arm platform. I'm trying to communicate between 2 MCU via Canbus. with the latest HAL Library I set up 4 filters (2 for each fifo) id mask type , 32Bit. I am receiving my messages from correct fifos. what I cant get is filter ...

e-zeki by Associate III
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  • 10 replies
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Resolved! Warn : no flash bank found for address 0

Hello, I am getting acquainted with FreeRTOS using HAL Libraries. For that I have created two tasks, Task 1 and Task 2 and am simply printing "Task 1" and "Task 2" over a UART. If I build the project from scratch, then I get the text, data, bss sizes...

Hello everyone, I used a bootloader for Stm32f1xx, but if I use hal_delay after the jump function, the microcontroller stops working. I'm waiting for your help.

if (HAL_GPIO_ReadPin(button_GPIO_Port,button_Pin)==1) //mypushbutton==1 {   /* If Key is pressed */  /* Execute the IAP driver in order to re-program the Flash */  printf("\r\n\r\n");  Main_Menu(); }// /* Keep the user application running */ else { ...