STM32 MCUs Products

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My laptop doesn't recognize STM32

Hi. I'm using STM32F446RET6 and F401RE, and I enjoy coding with those. I majorly use my desktop PC to develop. But for a long time, my laptop PC can't recognize my ST micro computer. So I can't develop with my laptop. Then I tried to upgrade ST-link....

Screenshot 2023-10-31 011454.png Screenshot 2023-10-30 231233.png Screenshot 2023-10-31 015643.png Screenshot 2023-10-30 231259.png
MED2972 by Associate III
  • 3976 Views
  • 9 replies
  • 0 kudos

Resolved! How DMA works in UART

Hello ! I've been wondering how DMA works in UART. I've checked some codes for example HAL_UART_Transmit_DMA(). I know it is set to sned 8 bit to peripheral. But I wondered when DMA knows that UART sent 8 bit when it is TX DMA or recevied 8 bit when ...

Xenon02_1-1700343951013.png Xenon02_2-1700343959811.png Xenon02_0-1700343925953.png
Xenon02 by Senior
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  • 13 replies
  • 3 kudos

Speaker audio distorted even though it is quiet

I'm doing a project where I want to have a toy say audio clips when a button is pressed. Right now I'm trying to accomplish this with an STM32F407G-DISC1. I have a small speaker (16 ohms, 0.25 W) connected to my breadboard with the DAC OUT1 of the MC...

Resolved! Proper way to use scanf with uint8_t

What is the best way to use sscanf with uint8_t?When I use: uint8_t x ; char* y = "23" ; sscanf ( y , "%hhu" , &x ) ;I stuck at: void HardFault_Handler(void) I found following workaround that works: uint16_t x1 ; uint8_t x2 ; const char* y ...

uart1_printf_debug

hi i would like to use uart1_printf_debug debugging on a serial terminal but error message "undefine reference to "uart1_printf_debug" what file to include except stdio.h? 

nucleo-f103rb canbus problem

Hello,I have a problem with canbus on nucleo-f103rb. When I start the debug the registers look like before.png. After a while its look like after.png. But i cannot send any data to peak pcan in both cases. Here my code;/* USER CODE BEGIN Header *//**...