STM32 MCUs Embedded software

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HAL_I2C_Mem_Read_DMA not working on STM32H723

Hi all,I have been trying to get I2C DMA working on an STM32H723 for a few days now. It works perfectly when using blocking mode (using HAL_I2C_Mem_Read), but when I try to use HAL_I2C_Mem_Read_DMA it returns success, but doesn't actually do the read...

Simon_0-1695019170931.png Simon_1-1695019340613.png
Simon by Associate II
  • 2838 Views
  • 7 replies
  • 2 kudos

LWIP MBEDTLS, no RTOS

I have tried to get LWIP and MBEDTLS working in RAW mode without an RTOS but have failed miserably...I think I have overlooked something - any suggestions?The failure is at -ssl_tls.c - line 2629if( ! mbedtls_pk_can_do( &ssl->session_negotiate->peer_...

Wood.Andy by Associate III
  • 1414 Views
  • 1 replies
  • 0 kudos

PNG compression

Hi,i'm using the NUCLEO U575ZI-Q board I want to compress some data I collect from analog sensors via png encoding in order to take advantage of compression, how can I do it? Are there special libraries for that?I don't need to have the .png file but...

Rturo by Associate II
  • 1967 Views
  • 8 replies
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STM32G071CB Battery voltage monitoring issue

 HI. I would like to use the battery voltage monitoring feature.I am reading the ADC by connecting a DC source and adjusting the value from 2.6V to 3.6V. We tested 10 boards and they all had different ADC values.The biggest difference was over 100.PC...

songkw by Associate II
  • 653 Views
  • 2 replies
  • 1 kudos

Resolved! Automatic Storing Data in external flash

I am running LED matrix display from F0 Series MCU. At present whatever I want to display on board, I am putting "Hex code of LED matrix" in the main loop code.  But Now I want to have USB stick containing Hex code of LED matrix. Basically user will ...

Nico3 by Senior
  • 694 Views
  • 1 replies
  • 1 kudos

Resolved! Help with stm32f746g adc scan mode + DMA!

Hi everyone, I'm running into issues with setting up my STM32F746g-discovery board to pass 4 values from its ADC to the DMA. I've debugged this for hours and have been unable to find a solution. All of the pins I'm using (and their corresponding ADC ...

elib123 by Associate II
  • 1918 Views
  • 4 replies
  • 2 kudos