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Resolved! NUCLO-H755ZI-Q Unable to debug CM4

Hi community,I build and program both CM without error and debugger configuration as in the AN5361 .The Nucleo- runs with maximum frequency  480 MHz, and Power supply:  HAL_PWREx_ConfigSupply(PWR_SMPS_2V5_SUPPLIES_LDO);  __HAL_PWR_VOLTAGESCALING_CONF...

Vero by Associate III
  • 1649 Views
  • 4 replies
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Resolved! Drop voltage SCL I2C

Hello,I have a very strange behaviour with the I2C bus of a STM32G431.I try to communicate with a MLX90393 of Melexis. I had some problems to get the measurements, after a Start measurement. The MLX90393 returned an error code. So I checked the signa...

0693W000007ZmIBQA0.png 0693W000007ZmIVQA0.png
alxrey by Associate II
  • 2373 Views
  • 6 replies
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Resolved! STM32G070 DMA memory to memory software trigger

Hi,I have read thoroughly RM0454, STM32G070CB datasheet and AN4187 in order to understand how to configure the DMA and DMAMUX in order to feed the CRC peripheral with FLASH data using the DMA (with CPU it is working but way slower than expected).I do...

Kraal by Lead
  • 3369 Views
  • 8 replies
  • 4 kudos

NO FMC_SDNCAS alternate function info in

I want to design a baord with stm32h7b0zbt6 with extranal sdram chip W9825G6KH-6. I get PG15 with FMC_SDNCAS alt func in datasheet as below:But when I looked the PG15 alt func config I get as below info, I could not found an alternate function number...

Screenshot from 2024-04-05 07-23-59.png Screenshot from 2024-04-05 07-24-23.png

STM32H7 faster using floats than using uint32_t

I made following two versions of the same software to process DMA data, one using floats and the second using uint32_t to try run faster, but as a surprise the first one run faster:  //161 void process_data_ADC1() { float samples1=(2.0f/(float)ADC_B...

JLope.11 by Associate III
  • 1199 Views
  • 4 replies
  • 2 kudos

iec62056-21

hello guys does anyone have a implantation of iec6256-21 for st mcus ??i saw a pdf from st that suggested Andreas anformatique implantation but i couldnt find it note: im looking for a library for server or metering device side not for handheld devic...

ap.1 by Associate II
  • 838 Views
  • 2 replies
  • 0 kudos