39.2.1.13 usb_h_rh_check_status
Root hub or port feature status check.
static bool usb_h_rh_check_status(
struct usb_h_desc * drv,
uint8_t port,
uint8_t ftr
)
Check USB Spec. for hub status and feature selectors.
Parameters
- drv
-
Type: struct usb_h_desc *
Pointer to the USB HCD driver
- port
-
Type: uint8_t
Set to 0 to get hub status, otherwise to get port status
- ftr
-
Type: uint8_t
Feature selector (0: connection, 2: suspend, 4: reset, 9: LS, 10: HS)
Returns
Type: bool
true if the status bit is 1