STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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problem with MCO2 from PLL2 (STM32H743)

no generation on MCO2 after standard system initialization (PLL2P SOURCE) using CUBE (STM32Cube_FW_H7_V1.5.0). Controller - STM32H743VIT6void SystemClock_Config(void){ RCC_OscInitTypeDef RCC_OscInitStruct = {0}; RCC_ClkInitTypeDef RCC_ClkInitStruct =...

AOrlo by Associate
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STM32F4x9 Eval USBD bulk in transmit problem

Hi ,I'm using STM32F4x9 eval board with STM32Cube v1.24 library on USB device parctice.Refer to CDC example, a new SCAN device class was created and enumerated succcess.Sending data from PC host site (Bulk Out) can success to get in device (STM32 - v...

PChou.16 by Associate
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  • 1 replies
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MSC USB Host very slow usb stick recognition

Hi, I'm using a STM32F429 with usb host connected to FS.Using the official USB MSC Host library from ST (1.24.1 latest one) I have a slow recognition when I insert a USB stick.The callback USBH_UserProcess with HOST_USER_CLASS_ACTIVE event, so after ...

STM32F10xx SPI UART conflict

Good morning everyone,I was trying to establish communication via UART1 - UART2 - SPI1, everything is fine until i use "HAL_SPI_TransmitReceive(...)" and suddenly UART1 and UART2 are locked (i can visualize both those "UART_HandleTypeDef" in my Expre...

ABouk by Associate II
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FATFS ERROR ( f_opendir) with FreeRTOS

Hi All,​I`m trying to build a project using STM32CubeMX with FreeRTOS and have FatFS for my own Board.And when I execute the code,it can {f_mount} really well but till {f_opendir} it come out the FR_INT_ERR.​I have a question about if I use the FreeR...

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