STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Wordlength setting when using Modbus RTU as UART

Hello, Now I'm using Modbus RTU and UART. Modbus RTU communication is being performed through UART. Modbus RTU setting is data 8 bytes, but communication is possible only when uart wordlength is set to 9 in STMcubeIDE. Why is wordlength 9 when data i...

dkim.3 by Associate II
  • 1053 Views
  • 2 replies
  • 0 kudos

Pulse edge detection level of STM32 Timer input capture

I'm using STM32F407 and I want to capture a pulse of following detail:Frequency: 100~1000 HzLOW voltage: 0.7vHIGH voltage: 1.5vand I'm wondering that whether STM32 input capture can be triggered on such 0.7~0.8V height pulse, or not.If not, what is t...

BOh.1 by Associate II
  • 4356 Views
  • 1 replies
  • 0 kudos

Resolved! Floating values ​​when writing to memory STM32L422KBT6

Hello, well I have some array of uint16_t data with is contains 50 records. If I truing to write it to the flash memory it looks like it have done an then if I write again, the HEX data in debug mode memory is randombly chenging. Ideally Firstly I ne...

0693W00000aJH4vQAG.png
YShe.1 by Associate II
  • 1073 Views
  • 5 replies
  • 0 kudos

ADC sample rate for STM32H725

Hello,I am sampling two signals using ADC1 in master, and ADC2 as a slave.For this i am using ADC1 Input3 and ADC2 Input 5, with DMA filling the 32bit buffer, with a buffer size of 2048.Bellow are some setings how the master/slave is configured in a ...

Bogdan by Senior
  • 406 Views
  • 0 replies
  • 0 kudos

Resolved! STMCubeIDE wrong variable size shown in Build Analyzer

Hi, I am using an STM32F401CCU6 for a FreeRTOS project. My problem is that a variable shows up in the Build Analyzer as 64B instead of 80B. I am using some LoRa libraries. For simplicity, I will refer only to the information I think is relevant for t...

0693W00000aJ806QAC.png
SOgal.1 by Associate II
  • 969 Views
  • 2 replies
  • 0 kudos

Resolved! Where are DWT_CTRL, DWT, CYCCNT and so on, explained

I wanted to do a simple test with my STM32f746 protoboard and count clock pulses. Problems are normal (I get all zeros) but in what datasheet/pdf are those registers explained or mentioned. I searched several pdfs in the net and none had those keywor...

LMI2 by Lead
  • 6409 Views
  • 7 replies
  • 0 kudos

STM32F407VG6 for UAVs?

 I am wondering, how can I measure the program execution cycle speed? How fast while(1) section loops and how fast I can read the values from the sensors? This is the particular thing I wanna find out about.Thanks,Enes

EAktu.1 by Associate II
  • 546 Views
  • 1 replies
  • 0 kudos