STM32 MCUs Products

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STM32H7xx USART3 can't wake up from STOP mode

Our product uses a STM32H7xx chip, integrate freeRTOS. We want our product can go into STOP mode to save power, and can be waked up from STOP by USART3 receiving data.Below is some related code, but it does not work, our product can't be waked up by ...

HarryXia by Associate II
  • 630 Views
  • 1 replies
  • 0 kudos

Resolved! JTAG connections for STM32G474 controller

Hello,I am connecting STM32V2 debugger at following pins.  This supports SWD. I want to use JTAG pins and want to use STM32V2 debugger as a JTAG connection for debugging purpose. can you support me how to connect or which pins to be used and what is ...

Nsg1987_0-1719397754368.png
Nsg1987 by Senior
  • 4317 Views
  • 12 replies
  • 2 kudos

STM32H750 Performance slows down after time

Hi!I have a problem with the canbus gateway project, I have a very good ring buffer that works without delays and transfers data between can1 and can2. All data copying is done through the main while loop where I check the buffers for can1 and can2 t...

sqwerize by Associate III
  • 4327 Views
  • 13 replies
  • 1 kudos

*STM32F030F4p6 Problem with GPIO_EXTI1 Pin*

Hello everyone,So I am trying to take Input from the sensor and then turn on the LED_1/Sound on and another senarove is that whne I prace the GPIO_EXTI1 turn on the another LED_2. but what is hapning is when senser is not givin Input even then LED_1/...

UART in full duplex missing bytes

Hello,I have an application where I transfer data to and from a PC with a FT232R and a UART. There is data beeing transfered back and foth constantly and asynchrone to another, so it is sending and receiveing at any random time and simultaneously. Se...

machinist by Associate III
  • 2109 Views
  • 8 replies
  • 2 kudos

Resolved! GDB-server openocd

Could not verify ST device! Please verify that the latest version of the GDB-server is used for the connection.Open On-Chip Debugger 0.12.0-00024-gc3ff39f8b (2023-06-26-16:51) [https://github.com/STMicroelectronics/OpenOCD] Licensed under GNU GPL v2 ...

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Resolved! STM32G0B1 EXTI DMA GPIO

Hello dear All,On STM32G0B1 I'm trying to capture PORTD[0-7] value with DMA on EXTI0 event (PD0 falling edge)(Read PORTD value in EXTI0 interrupt is too slow for this application -> PORTD change value before entering IRQHandler())I configure EXTI and...

MTE_MMO by Associate
  • 2211 Views
  • 3 replies
  • 0 kudos

stdlib bug - STM32F4 SPL (Standard Peripheral Library)

in stdlib version1.9.0, void I2S_Init(SPI_TypeDef* SPIx, I2S_InitTypeDef* I2S_InitStruct) { uint16_t tmpreg = 0, i2sdiv = 2, i2sodd = 0, packetlength = 1; uint32_t tmp = 0, i2sclk = 0; #ifndef I2S_EXTERNAL_CLOCK_VAL uint32_t pllm = 0, plln = 0,...

Ethan1_0-1720779658564.png
Ethan1 by Associate III
  • 1609 Views
  • 5 replies
  • 0 kudos

Application compiler error in STM32Cube_FW_F4

Hi there,I am using cubeMx to config the LwIP project which is based on STM32F429BI;I connect the MCU to the route and ping the MCU by PC successfully in DHCP or static IP mode.I can normally get the MCU IPv4 address in static IP mode but fail in DHC...

Junde by Senior III
  • 470 Views
  • 1 replies
  • 0 kudos