AN050
GD32 USBFS&USBHS Firmware Library User Guide
63
The operation steps of MSC host rountine is shown as below figure, firstly, insert OTG cable
into USB connector, and then download MSC_Host program file to EVAL board and run the
application.
If one U-disk is connected, U-disk enumeration information could be displayed on the display
screen. Firstly, press USER key, U-disk information could be displayed on the display screen.
sceondly, press TAMPER key, U-disk root contents could be displayed; Then, press
WAKEUP key, write the file to U-disk; finally, the information, which indicate MSC host routine
is done, is displayed in display screen.
Figure 6-8. MSC host routine operation steps
The U disk is connected to the
development board via an OTG
cable
Press the User key to get
information about the U disk
Press the Tamper key to get the root
directory of the U drive
Press the Wakeup key to write the target
file to the U drive
Figure 6-9. MSC host routine display
