STM32 MCUs Products

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IEC60335 SelfTestLib

In our legacy STM32f103 project a ST library named "Self Test Library" is used. It has version 1.0, dated 10/01/2007. That library is certified according to IEC60335. I found it in an archive named IEC60335.zip, but I have no idea if that's the origi...

Resolved! STM32H723 Internal Temperature Measurement vs. Ambient

All:Setup - STM32H723 with VREFP = 3.00 VI have connected internal temperature to ADC3, and I am able to display degrees C on "Live Expressions". With VREFP set to 3.00 V, I am seeing lower readings than ambient. Using __HAL_ADC_CALC_TEMPERATURE( ), ...

ToddA by Associate II
  • 1383 Views
  • 6 replies
  • 0 kudos

stm32L5 write flash problem

Hi. I am testing flash read and write operations.In the main function, when I write 1 to address 0x08006000, I can correctly read back 1. However, when using FreeRTOS and performing the same operation within a task, I read back  garbled values (such ...

Resolved! STM32L562 hard fault in SPI_WaitFifoStateUntilTimeout

I am using MX25 NOR flash memory 256Mbit (https://www.mxic.com.tw/en-us/products/NOR-Flash/Serial-NOR-Flash/Pages/spec.aspx?p=MX25L25645G&m=Serial%20NOR%20Flash&n=PM2075#Technical-Documents) and I am mounting a littleFS file system on it. The memory ...

Lyap94 by Associate III
  • 1659 Views
  • 7 replies
  • 4 kudos

Resolved! STM32G0B and USB Custom HID

Hello guys!I'm using USB custom HID on STM32G0B for an application alike the mouse demo on "STM32G0C1E-EV" HAL package. But instead a button sending the Report, a PC software sends a 64 bytes Report to get another 64 bytes as answer.In fact, this sam...

Peaga by Senior
  • 961 Views
  • 2 replies
  • 0 kudos

Resolved! TIM1 in Encoder Mode but TIM1->CNT does not change

Hi, I'm interested in using Timer 1 on my STM32F439ZI to decode the quadrature signal from an encoder but TIM1->CNT doesn't appear to change. I'm not sure what is missing, the TIM1 config looks like: static void MX_TIM1_Init(void) { /* USER CODE BE...

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debug by Associate III
  • 915 Views
  • 1 replies
  • 1 kudos

Resolved! Incorrect CRC value from software and harware SPI CRC

Hi, In my application, I'm using SPI (SPI1, a full feature set instance) with CRC enabled, on STM32H563ZI, with the configuration as:I have a CRC implemented based on CCIT standard, which I call 'software CRC'I see different CRC values for the same b...

WCarey_0-1713170183201.png WCarey_2-1713170893568.png WCarey_3-1713170932398.png WCarey_1-1713170240836.png
WCarey by Associate III
  • 1445 Views
  • 7 replies
  • 0 kudos

Timer runtime config issue

Hi guys,I have a simple timer config, which I want to change based on some conditions. I set GPIO high and when OPM timer INT happens, GPIO is set low. Default timer setup 50ms, which is changed to 500ms  in the while() loop.Problem: the first pulse ...

Lex by Associate III
  • 1528 Views
  • 7 replies
  • 0 kudos

Resolved! flash write versus erase cycles

Hi,when I write 8byte block sequentially 256 times in 2kB page and then erase and start over what is the total number of writes I can do?Datasheet describes 10000 write/erase cycles, but I do not erase after every write.If the damage is cause by eras...

PR.10 by Associate III
  • 1198 Views
  • 3 replies
  • 2 kudos