FUJITSU FMB AN706 - Manual (Page 84)

AN706-00040-2v0-E
83
7.2.8.2 USB Task Processing Function
After detecting USB device connection/disconnection, the processing shown in Figure 58
is executed.
(av_demoapp_usb_task)
Start
USB device connection event
occur and disconnection event
not occur
Clear USB device disconnection event.
USB device
disconnection event occur
Set USB connection to USB device
connected state.
Clear USB device disconnection event.
Set USB disconnection to USB device
connected state.
Yes
No
USB host driver polling processing
(USBH_Polling)
Finish
No
Yes
LED off
(LED_Set)
Figure 58 USB Task Processing Function Flow