Posted on June 03, 2014 at 09:12Hi all,I've already developped a custom bootloader on SMT32F407 by using USB device port.It works fine.Now, I want to add a new feature to embedded two firmwares in the flash.This feature can provide some facilities t...

Posted on May 19, 2014 at 10:23Hi all,I've develop a specific bootloader which calling my application.My application is based on FreeRTOS.When the application starts after the jump, the firmware crashes in hardfault.It works fine when I don't use th...

Posted on August 02, 2013 at 11:13Hi All,I'm starting a developpement on STM32F4Discovery.I want to use the two USB controler (HS and FS) in CDC Host and device to implement a serial to USB bridge.OTG FS peripheral on device side to connect to PCOTG...

Posted on July 29, 2013 at 11:59Hi all,I try to implement a CDC Device on STM32F4-discovery.I made an IAR project based on the VCP example project of the STM32_USB-Host-Device_Lib_V2.1.0.The STM32-Discovery starts correctly but two ''STM32 Virtual C...