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

Resolved! About printf() out on UART5 of STM32F3DISCOVERY Board

I'm testing printf() out on USART1 and UART5 of STM32F3DISCOVERY Board.USART1 tx (PC4) <-> RS232C converter UART5 Tx (PC12) <-> RS232C converterprintf() out on USART1 is working normally. but, printf() out on UART5 is not working.Could you please che...

STM32F7 UART5 issue

Before I explain the problem, I have to give some background. Our project went through a long stage of Proof-of-design, in which a maintenance program was written which tests all the interfaces. Part of this incuded BIT routines for those interfaces....

SBurc by Associate II
  • 1681 Views
  • 9 replies
  • 0 kudos

Resolved! How can I read & write TAMP backup x register?

In the reference manual under 39.6.18 there is the description of the TAMP backup registers (TAMP_BKPxR).Neither in the RM nor in the STM32CubeL5 Hal I can find the base address of those registers.How can I read&write to TAMP_BKP0R - TAMP_BKP31R?

how to send data from salve to master in i2c?

I have two i2cs, i2c1 and i2c2, I set i2c1 as master and send data request (a "0" char) to i2c2, which is set as slave. now I have enabled event interrupt in i2c2, and when i2c1 sends command, I could find the default MX generated interrupt function ...

adam.wu by Associate II
  • 583 Views
  • 1 replies
  • 0 kudos

Error during debugging

hi,i am executing c/c++ application code in gnu mcu eclipse targeted to STM32F4. i am trying to perform software debugging i am getting the following error during the debugging process. the error is as follows/////////////////////////Error in service...

PJosh.17 by Associate
  • 540 Views
  • 1 replies
  • 0 kudos

Two ADC channel read while 7 channel are configured

HI,Im using stm32l4r5. i configured 7 channels of ADC1.And configured in regular conversion mode (7 ranks). Scan mode enable and continous disable. but when i debbug only two chanel transfer data to array and other element of array = 0 . any one help...

0690X00000A9r6ZQAR.png

How to add modified device tree with PWM control backlight

My circuit board USES PE6 to control the backlight, but it cannot be adjusted. How to modify the device tree of TIM15_CH2.EV1 is not regulated.EV1:panel_backlight: panel-backlight { compatible = "gpio-backlight"; gpios = <&gpiod 13 GPIO_ACTIVE_LOW>...

Yli.8 by Associate II
  • 650 Views
  • 4 replies
  • 0 kudos

STM32L072 and interrupt vector

Hi allI would like to know if STM32L072 can use interrupt for USART4 & 5.I'm using 1,2,4,5 serial ports .If not, is using STM32L151 would change something or not ?Thanks for help

JFELI.13 by Associate III
  • 884 Views
  • 4 replies
  • 0 kudos