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Resolved! 8bit in struct is allocated 32bit in memory

Hello,I am a newbie in struct.I have a struct declaration below.typedef struct __serial_data { uint8_t frameStart; uint32_t data; } serial_data;   serial_data mydata[25];but frameStart is allocated 32bit in memory and this causes trouble when sendi...

0693W00000WJH75QAH.png 0693W00000WJH7FQAX.png 0693W00000WJH7ZQAX.png

Call HAL_ADC_GetValue at any time.

I am using the ADC on an STM32 microcontroller.The ADC is operated in ContinuousConvMode.Can I start it with HAL_ADC_Start and query it at any time with HAL_ADC_GetValue?Or may HAL_ADC_GetValue only be used if it is ensured that the ADC is not curren...

mfrank9 by Associate III
  • 6641 Views
  • 2 replies
  • 1 kudos

Code won't run without pressing reset button

My code runs without issue when the STM Nucleo is connected to the laptop, but if I try to run it without connection to PC, I have to press the reset button before the code will run.I am using STM32CubeIDE and cannot find a solution relevant to that ...

IPrin.1 by Associate III
  • 4991 Views
  • 13 replies
  • 0 kudos

Resolved! No DAC output

It seems so easy, but I get no signal to the pin PA4. I use STM32f103VCT, any Idea ?int main(void){ /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ /* MCU Configuration--------------------------------------------------------*/ /* Reset of all periphera...

jtozz.1 by Associate II
  • 2433 Views
  • 10 replies
  • 0 kudos

Support SPMI or I3C

HiI'm looking for STM32 board to support SPMI protocol or I3C.Is there any board that supports such a function?Thanks.

TKim.4 by Associate II
  • 946 Views
  • 2 replies
  • 0 kudos

Resolved! Dropouts in ADC capture on STM32H743

If I connect a constant rising signal at the ADC input, I observe significant fluctuations at certain ADC values. These fluctuations always appear at the same ADC values. The affected values have the following format XX500, e.g. 18500, 19500, 20500 e...

ANovi.7 by Associate II
  • 4859 Views
  • 22 replies
  • 0 kudos

PWM input controlling PWM output

I have an interface that utilizes inverted PWM and I need a STM32F7 to receive and reply to messages from a controller. The controller sends 64 bit messages, the first 32 bits contains an address and if it matches with the address of the STM32F7, the...

Roth.Ian by Associate II
  • 504 Views
  • 0 replies
  • 0 kudos

STM32 NUCLEO-F767ZI rs485

Hi i want to communicate between board with stm8 and board with stm32 the stm8 have rs485 communication bus does STM32 NUCLEO-F767ZI have build it in or i have to buy some extension?

uname.1 by Associate
  • 700 Views
  • 1 replies
  • 0 kudos