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

SPI DMA Multi-master

HelloIm trying to implement the SPI "multimaster" functionality described in this_doc.SPI networks can operate in a multi-master environment. This mode is used to connect two master nodes exclusively. When either node is not active, they are by def...

MBohm by Associate II
  • 872 Views
  • 2 replies
  • 0 kudos

My STM32L0 RTC stops in standby mode

Posted on September 27, 2017 at 05:09Hi, I have a small custom board using an STM32L0xxx.The RTC is running as expected in run mode.When I enter Standby mode the RTC appears to stop.The MCU is in standby most of the time, it wakes up for about 2 to ...

can't debug. Break at address "0x808a7c4" with no debug information available, or outside of program code.

Hello,when I'm trying to flash my program into the STM32 board, I get a message telling that no debug info.. and break at address "0x808a7c4"this is the assembly code at that address: ldr   r0, [pc, #4]  ; (0x808a7cc)can someone help me to solve thi...

idrissmc by Associate III
  • 1843 Views
  • 13 replies
  • 0 kudos

Why it's not working to use the same program

i'm using two boards for develop, at now.One board is a nucleo-h743zi. and other board is using a STM32H743IIK processor.It is the same program, and I wonder why it does not work on the Nucleo-board and on the STM32H743IIK board under development.Nuc...

JKim.171 by Associate II
  • 1281 Views
  • 6 replies
  • 0 kudos

STM32F103RE combined UART receive via interrupt

Hi,I'am using STM32F103RE. i have enable 3 usart for GSM modem(USART1), Debug(UART4) and GPS(UART2). now i need to collect data under interrupt routing. it should be something like this, this is for ATMEL:D ISR(USART0_TX_vect) { byte myChar= UDR0...

AAnju.1 by Associate
  • 667 Views
  • 2 replies
  • 0 kudos

Deadlock reboot - System Reset Problem

Hi ST community,In my project I have created a task to post Data to AWC server.the function call stack looks like below:stack size is 70*12 wordsAWC_Task(){ GPRS_SetConnection() // establish connection PH2_exeAWCcmnds() }PH2_exeAWCcmnds() // executed...

Skira.17 by Associate II
  • 1098 Views
  • 3 replies
  • 0 kudos