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USB Virtual Com to send/receive message

I have enabled USB Device FS and successfully use it as a virtual com port.I now need to determine the best way to send messages from master to slave over this port, and how I will handle potentially corrupted data, timeouts, and how enabling CRC wil...

LMorr.3 by • Senior II
  • 1147 Views
  • 6 replies
  • 2 kudos

Resolved! NUCLEO-F756ZG SPI1 issue

Dear ST,I try to use SPI1 in full-duplex slave mode with hardware NSS and interrupts.Interrupts work fine, the only problem is that data is all 0After connecting the logic analyzer I noticed that the CS and SCK signals are ok but the MOSI and MISO ar...

AHape.1 by • Associate II
  • 1477 Views
  • 7 replies
  • 3 kudos

Resolved! I2S and DMA HAL problem (DMA trigger only once) STM32H7

Hello,I'm trying to use the I2S transceiver on a STM32H7.I did a first simple experiment using the HAL function: HAL_I2S_Receive_DMAI use a basic loop in the main:while (1){  if (i2s_bsy == 0) {    i2s_bsy = 1;    i2s_status = HAL_I2S_Receive_DMA(&hi...

mkhairy by • Associate II
  • 954 Views
  • 3 replies
  • 0 kudos

Resolved! not able to read WHO_AM_i Register value.

i am using IMU ICM-42688-P sensor communicating with stm32 GOB1CET6N board using spi protocol. but, i am not able to read WHO_AM_I Value for more than 2MHz frequency. i have tried all settings but nothing is working. datasheet of sensor says SPI work...

Rohit007 by • Associate III
  • 916 Views
  • 2 replies
  • 1 kudos

Resolved! Problem with switching pins

Hi to all!I have the following question: why do the relays in the circuit start switching when I connect the STM32F1 microcontroller to the computer through the programmer?And similar happens when I initialize RCC. As if all the contacts are being ch...

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