Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.
Posted on July 02, 2018 at 15:32Hi,please help me to understand why when I increase the value of CDC_DATA_FS_MAX_PACKET_SIZE in usbd_cdc.h more than 128 usb communication and the PC both hang??please instruct me what to do to increase the usb receiv...
Posted on July 01, 2018 at 11:11I'm working on STM32F107VC and I'm trying to create a simple bootloader.All the boot-loader have to do is check two places in the flash where the application can be and jump to one of the applications.(currently I man...
Posted on July 02, 2018 at 09:50Hi everyone ! I am currently trying to write a custom usb class driver to support a webcam. I am using the STM32F769 Discovery boark and the STM32CubeF7 firmware. After the first steps of enumeration and initialisatio...
Posted on June 25, 2018 at 13:44Hi all,Is there a way to know if the host PC's COM port is open?My application looks if the USB state is USBD_STATE_CONFIGURED and then starts sending data. In this case my PC application (CVI) cannot open the COM por...
Posted on July 02, 2018 at 09:41I want to get my Microcontroller to do concurrent operations so, I need RTOS help to solve my problem.#free-rtos #stm32f4
Posted on June 30, 2018 at 17:32 I've configured the STM32F103C8 for 16-bit data transfers. On the scope I can see my 16-bit data which is followed by some garbage data that the MCU is not configured to send. Am I mis-configuring something? How d...
Posted on June 28, 2018 at 12:15Hi everyoneA while ago I used Nucleo 144 board and the ethernet interface successfully with Freertos and LWIP. then I designed my own custom board using STM32F407ZET6 and Lan8720 ethernet PHY. just to make sure, I als...
Posted on August 11, 2016 at 11:57Hi, I am developing Ethernet driver on STM32F7-DISCO board. I set buffer address, buffer size in Tx descriptor. Then I set control bits in TDES0 of Tx descriptor and write DMATPDR register to send the frame. However...
Posted on June 27, 2018 at 09:30 Hi everyone, im trying to send datas to 8 uarts+usarts on stm32f7 mcu. I'm getting datas from ethernet wtih netconn connection. I'm using FreeRTOS and lwIP stack. I have a task that calls netconn_recv(conn, &buf);...
Posted on June 16, 2018 at 00:50Has anyone seen a similar issue?STM32F072CBT with USB 'Custom HID' based application (mix of 'HID' and 'Custom HID'), on a 100% custom board.With many hosts (desktop PCs and laptops) it works as intended.But with cert...
