Posted on May 19, 2015 at 23:43My STM32F103 USB-HID device needs to know, if the host it is connected to is either powered on (S0) or in S3 (STR), S4 (STD) or S5 (SoftOff). How does it detect this reliably? I am using the STM32_USB-FS-Device_Lib_V4....

Posted on June 25, 2014 at 16:07The problem was indeed the reenumeration. Pulling DP low shortly triggers reenumeration, and than Windows recognizes the new mode. Works for both directions, from regular mode to DFU mode and vice versa.

Posted on June 22, 2014 at 22:26the forum software shows wrong ''last updated by''

Posted on June 22, 2014 at 14:16NRST is pulled high (+3,3V) by a 1,5k resistor, and gets manually connected to ground by a latch, that I press by hand. BOOT0 is pulled to ground by a 3,6k resistor, and there is also a 2k resistor connected to BOOT0,...

Posted on June 21, 2014 at 22:43Sorry for the confusion. Please read my previous two postings again with high instead of low.