Forum Posts
STM32L496 - DFU Exit detection
Hello, I'm running into a bit of trouble updating firmware using DFU. This would not be such a big deal, apart from the fact that sometimes an upgrade needs to be made without the ST-Link tool.First of all, entering DFU mode and re-flashing the firmw...
Resolved! STM32F072xB GPIO issue | USB pins do not work as GPIO
Hi all,First some context:I am attempting to use the USB designated pins (PA11 and PA12) as generic GPIO inputs at start-up as a way of determining if a host is connected to the device and make a decision whether to run the main code or not - I will ...
Resolved! How to update FATFS on STM32F103 Package ?
Hi to all,I need to update from FatFS from R0.11 to R0.12cIn R0.12c there are new implementations compared to 0.11.I see that for the STM32F401 the FATFS is in version 0.12c.Is there a way to update the library for the STM32F103 as well?Thank you.
Resolved! USB on STM32F746ZGT and zero length packet (ZLP) on endpoint 1. ZLP not transmitted.
Hello. I am using USB interface on STM32F746ZGT device (HAL lib, usb device mode). USB zero length packets are supproted and used by our protocol implementation on endpoint 1. It works on STM32L433, STM32F407, STM32F446 controllers. But it doesn't wo...
__disable_irq() and __enable_irq() has no effect
Hello, I am working on a project with an STM32f446 and I need to disable all interrupts while executing a specific critical function. I put in my code the following lines : __disable_irq(); Critical_function(); __enable_irq();But I still...
Need tutorials/resources on "USB MSC" and "eMMCs/external NAND flashes"
I was gonna make a project that can map USB MSC to an eMMC or external NAND Flash memory. but my knowledge of FSMC and SDIO is not enough and also I haven't worked with USB peripheral.my choice of MCU is STM32F407IGT6.can you help me find good resour...
USB Composite device: how to make two virtual serial ports independent?
We have an embedded device (STM32) that connects to the PC via one unique USB. The USB connection offers two virtual serial ports. Device description is:0xEF, /*bDeviceClass*/0x02, /*bDeviceSubClass*/0x01, /*bDeviceProtocol*/and interface...
