STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

STM32F072 uart RX

I am using UART4 from STM32F072VB with 9600 baudrate on inetrrupt basis.uint8_t p[2] = {0,0}; // array to store data received on uart temporarystoring uart receive data in this array according to my program requirement.uint8_t led_ip_cmd[5][16];//arr...

Bs.1 by Associate II
  • 554 Views
  • 1 replies
  • 0 kudos

USART2 SR register issue

Dear community,I plan to use the USART2 of my STM32F407VE board for an IrDA communication (8N1, 115200 Baud @ 8 MHz fPCLK). I started with initializing my USART2 periphery on the register level (I don't use STM32CubeIDE). This seems to work fine. How...

0693W000003Rq70QAC.png
AHass.1 by Associate II
  • 1706 Views
  • 5 replies
  • 0 kudos

Resolved! STM32 external DAC sine wave problem.

Hi!I would like to make a wav. player using STM32 microcontroller. My first step was to generate a sine wave using STM32F103C8T6, SPI interface and external DAC MCP4921. However, it's not working.I attach the schematic of my device.I wrote 2 versions...

0693W000003Rt2wQAC.png
Andrei1 by Associate II
  • 2511 Views
  • 4 replies
  • 0 kudos

GPIO PG10 on STM32F769I-EVAL

This should be straightforward but I cant get it to work. I simply want to control the GPIO output of pin PG10 on the STM32F769I-EVAL board. I have removed all daughter cards, LCD and the Micro SD card. According to the datasheet, PG10 is connected t...

PW.1 by Associate II
  • 1384 Views
  • 5 replies
  • 0 kudos

STM32F405RG USART DMA FIFO Error Problem

Hello, I am trying to use DMA with USART to transmit and receive data to buffers in internal RAM.I setup my DMA1_Stream4 as USART3_TX. However, after setting DMA control register, Peripheral address, memory address, number of data to transfer, Enabli...

LLOLO.1 by Associate II
  • 574 Views
  • 2 replies
  • 1 kudos

protect uart from being hacked

We welcome everyoneIs there a way to protect uart from being hacked!?For example:I have a device that uses gsm to send sensitive data.Anyone with a simple background can learn the uart pins and then put a logic analyzer or rx probe and then know ip a...

xmart by Associate II
  • 1954 Views
  • 5 replies
  • 0 kudos

Resolved! Issue with AD conversions

We encountered a big issue with the ADC's in a project.The G4 device has 4 ADC's configured (ADC1, ADC2. ADC3, ADC5).ADC1 and ADC2 are sampled simultanious and triggered by HRTIMER1A interrupt with 4 channels each.ADC3 and ADC5 are in independent mod...

DBein by Associate III
  • 5170 Views
  • 32 replies
  • 0 kudos