Forum Posts
Resolved! bug in HAL_GetTickFreq
The description for HAL_GetTickFreq says/** * @brief Return tick frequency. * @retval tick period in Hz */It returns 1 when the tick frequency is 1kHz. The period would be .001 seconds and the frequency would be 1000 Hz. Based on the typedef below, I...
STM32F7 lwIP Ethernet [FreeRTOS] - TxPktSemaphore not given
I'm developing a device that works as a modbus slave over TCP/IP. For this application I'm using FreeRTOS with CMSIS-v1 and LwIP. The problem occurs sometimes when I disconnect the master (a PC with modbus poll), then the code stucks waiting for a se...
Resolved! USB (msc) Host no more working - how to find the cause ?
i had USB Host MSC working on H743 (devE board) , read USB sticks 1...64 GB without problem;now, after try to make USB Audio Host on second (HS) usb port, which is not running until now (there is no working example by STM - and no plan to do this (!)...
STM32F730, STM32CubeIDE, OTG HS Device with DMA Possible?
Hi,I'm using OTG HS, in device mode, as a CDC VCP. It works when "Internal IP DMA" is disabled. If I enable DMA, the USB device enumerates but CDC_Transmit_HS() no longer works.I saw the article on USB DMA with the STM32H7, and I tried similar things...
CAN bootloader of STM32F103RBT6 is not working
Hi ST team,I'm trying to upload a new code to the STM32F103 via CAN tx/rx. I set the device to boot mode, BOOT0 = 1 and BOOT1=0 (system memory). I sent a CAN frame via CAN tx/rx, but I didn't get any response from the STM32 CAN bootloader.Is it possi...
TCP Client on NUCLEO-F746ZG can't connect to a TCP Server on my PC using Hercules
Hello,I want to transmit data between two boards using TCP. To do this, one will run a client and the other will run a server. Both of these implementations follow the provided examples. The server works fine, I can connect to it from Hercules and tr...
Resolved! Custom Bootloader design for STM32F4
Hi All,Kindly let me know how to customize standard ST bootloader and change the default UART pins, Currently bootloader working on UART1 and UART3, but i want bootloader on UART2Microcontroller Details -STM32F4
Problems with UART Interrupt Receive
Hello, i have a STM32F407VET6 MCU and i have problems with UART3 and Interrupt Receive, it does not work.UART3 is connected with a Display, my MCU sends every Second a "PING" and the Display answers with "PONG", that works fine.Global Interrupt for U...
