STM32 MCUs Embedded software

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Not able to create semaphore in lwIP stack

Hi ,I am working on STM32L072 controller with RTOS which communicates with LAN9250 ethernet IC over SPI . i have integrated the lwIP stack in ,my project externally (v2.1.3). I am using netconn api's for data tx and rx. While creating net connection ...

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BChav.1 by Associate III
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USB HID Device response with a STALL

Hello everyone,I have trouble while implementing USB HID on a STM32F373.I use the "custom Human Interface device class" and implemented all like in the video from ST Link. I also tested my device with the HID Terminal from the video (the Programm jus...

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DSchu.6 by Associate
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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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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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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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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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