STM32 MCUs Embedded software

How to write to a .txt file using USB Host MSC, FATFS and FreeRTOS

I am using the NUCLEO-L476RG and I want to write to a .txt file on the USB Stick using FreeRTOS. For that, I have enabled FreeRTOS, USB_OTG_FS, Mass Storage Host Class and FATFS (USB Disk). When I generate the project, I see MX_USB_HOST_Init(); in my...

Update MCU firmware (RMII and external flash)

Hello,I own a Nucleo-H723 and I would like to know how to update the MCU firmware using the ethernet port to transfer data. I want to send the bin/hex file over TCP (LwIP) and store the file in a external flash (QSPI), as I am not sure that the MCU f...

What is the register behavior of "rw_wt"?

I'm trying to understand the register behavior of rw_wt.In the RM0090, Ethernet DMA transmit poll demand register (ETH_DMATPDR) has a register. this register declared as "rw_wt". But I don't know how rw_wt work.Could you please clarify the register b...

STM32F072RB DP and DM Can't connect to computer

USB Type C HOST Charging? How can I achieve this on hardware level without any programming.

I have a usb HUB which is externally powered now i want to charge my HOST(Smart phone) through my HUB which seems not possible without using an PD controller.I stumbled upon STUSB4761 which seems like a perfect choice for me but i am not sure about i...

I am working with STM32F407 to write a text file to Pendrive (USB Host). But i am getting FD_DISC_ERR. When I debugged more i understood that this is due to HOST_DEV_WAIT_FOR_ATTACHMENT issue. Can anyone help why this is happening?

Multiple EXTI GPIO EVENTS-STM32G0 I would to know is someone could provide some tips on using GPIOs as External Events (EXTI) sources on STM2G0 HAL. Any information is welcome BR Gilberto

I have an STM32H743. I am trying to configure a Layer 4 inverse filter on destination port . My intention is to allow all broadcast traffic except for one that has a particular destination port.

I am configuring the following control registers.  heth->Instance->MACCR |= ETH_MACCR_IPC; // INVERSE MATCHING heth->Instance->MACPFR |= ETH_MACPFR_IPFE; heth->Instance->MACL3L4C0R |= 1<<21;//ETH_MACL3L4C0R_L4DPIM0; heth->Instance->MACL3L4C0R |= 1<<2...

How to get the DFSDM to trigger the HAL_DFSDM_FilterAwdCallback

I'm using a STM32L475. I have DFSDM data coming in. I'm using the AWD and have set high and low thresholds to trigger an interrupt. I cannot get the interrupt to occur. The DFSDM_FLT1AWSR flags get set. The DFSDM_FLT1ISR->AWDF flag also gets set. Any...