STM32 MCUs Embedded software

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Resolved! FATFS not working when if FreeRTOS is enabled

Hello, I've a STM32 NUCLEO board (STM32F446RETx) with an SD card board connected to it.Im using:STM32CubeIDE Version: 1.7.0 Build: 10852_20210715_0634 (UTC)STMicroelectronics STM32CubeMX 6.3.0.202107141111 com.st.stm32cube.common.mxSTM32CubeF4 Firmwa...

JBren.3 by Associate
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  • 2 replies
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Resolved! Some help with the USB on the STM32F446VET .

Hi , I'm writing here to ask community some help with the F446VET chip. I tried the Cube Ide and CubeMX to perform all the settings.What have been done so far :In the USB_DEVICE--> Class for FS IP is set to "Communication Device Class(Virtual Port C...

MBolo.1 by Associate III
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  • 3 replies
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Problem Sending MQTT messages using FreeRTOS

Hello,I have an FreeRTOS task that sends 4 MQTT messages (using LwIP MQTT) every 10 seconds:void HomeAssistantConfigTask(void *argument) { /* USER CODE BEGIN HomeAssistantConfigTask */ /* Infinite loop */ for(;;) {   SendAvailabilityMessa...

STM32F723 I2C bootloader : No-Stretch Erase command leads to long clock stretching anyway. How to deal with it?

Several questions: The I2C bootloader answers version 1.2 which is not documented in AN4221 even though it was recently updated in June 2021. Is it planned to publish this information soon?I am sending a "No-stretch Erase" command via the following o...

YSion.1 by Associate
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  • 2 replies
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Resolved! Multiple I²C slaves with FREERTOS

Hi,I am using 2 slaves on the I²C bus : touchscreen and FRAM.I am calling BSP_TS_GetState in the sampleTouch function.bool STM32TouchController::sampleTouch(int32_t& x, int32_t& y) { bool ret = false;   if (!i2cUsed) { i2cUsed |= 2; TS_StateTy...

MMerc.1 by Senior
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  • 2 replies
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STN32H747 Dual Core - only reset 1 core

I can perform a software system reset but what I want to do is have the M7 reset the M4 cpu - is there a way?I have always written my own bootloader so the product can have firmware upgraded in the field.With the Dual Core - the M7 will be updating t...

Joe.H by Senior
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  • 4 replies
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Resolved! STM32F7 ethernet PTP PPS to timer 2

Hello,I just got lwIP with PTPd on 2 Nucleo-144 with STM32F767ZI working.Thanks to all the open source people out there!PPS output is also working, I use these signals to check sync quality on a scope.PPS from ETH goes to TIM2 via ITR1 input to TRGO ...

LCE by Principal II
  • 4175 Views
  • 13 replies
  • 2 kudos