exit usb for dfu mode?

I wrote some usb code and was wondering, is there a sense pin that would put the chip in DFU mode? Or, how else could I exit my usb mode and enter DFU programming?
exit usb for dfu mode?

I wrote some usb code and was wondering, is there a sense pin that would put the chip in DFU mode? Or, how else could I exit my usb mode and enter DFU programming?
STM32 - building user application for DFU

I am using the STM32 Cortex M3 processor. I am having trouble building a project that can be downloaded via USB DFU. I have DFU working and I can download the sample .dfu images without error. My question...
DFU Bootloader cannot jump to application

Hi All, I am using STR912FAW44 and keil MDK to develop the DFU bootloader. When the program jumps to Application, it hangs there. I set up a breakpoint before jump, I find it always goes to undefined...
DFU Bootloader cannot jump to application

Hi All, I am using STR912FAW44 and keil MDK to develop the DFU bootloader. When the program jumps to Application, it hangs there. I set up a breakpoint before jump, I find it always goes to undefined...