Forum Posts
problem in LL SPI example code
I have been testing Examples_LL code (SPI_TwoBoards_FullDuplex_DMA_Master_Init ) in STM32Cube_FW_G4_V1.4.0 package.Here is my problem:I modified the original code such that I only need one board./* Enable the SPI1 peripheral */ Activate_SPI(); ...
USB CDC fails on F745 when communicating through USB hub.
The USB communication fails when connecting F745 MCU to a USB hub that is connected to a PC. Without the hub it is working normally without any errors. Currently the setup consist of a desktop app that sends something to the MCU and expects a respons...
USB PD Dead Battery pin usage when functioning as PD Source
I am using the STM32G071GBU6N to implement 2 USB PD interfaces. Port 1 will be sink, Port 2 will be source. On the sink interface, the dead battery support is needed and DBCC pins will be connected to cc pins. On the source, I do not need dead batte...
Resolved! stm32f301x8.h: TIM16_OR_TI1_RMP_Pos has the wrong value
In the definition of TIM16_OR_TI1_RMP_Pos in stm32f301x8.h, it's defined as being equal to 6.However, the reference manual (RM0366), Rev 4, p562, suggest that it should be zero.
Add USB connector to my stm32L452 - connections
I want to add a usb connector to my stm32L452, it is powered by an external supply (not usb). I then want to use it as a CDC device, so I can plug into my PC, and it appears as a virtual com port and/or mass storage device. I have some questions:(1) ...
USB problem
Gooday I have a steering wheel which has buttons programmed with an stm32 blue pill board.... my problem is The board is only recognised on my pcs front USB ports ......any USB ports on the back side of the board give an error (cannot recognise and p...
Resolved! Is it possible to do a firmware upgrade via FD-CAN with multiple STM32H7 microcontrollers in the bus?
The system looks like this:-one master controller STM32H7 which holds firmware of slaves-multiple (~8) "slave" STM32H7 on the same FD-CAN busThe slave controller firmware should be upgrades via FD-CAN ST bootloader (see AN5405)AN5405 says "The CAN bo...
Resolved! STM32F429ZI Nucleo demonstration - is this it?
I am developing a project using STM32F429ZI, I have bought a Nucleo board, read the quick start guide, plugged it into USB power & ethernet... so now what?The quick-start guide literally says "Press button B1 (left button). Observe the blinking frequ...
