diff options
Diffstat (limited to 'lib/libusb/libusb20.3')
| -rw-r--r-- | lib/libusb/libusb20.3 | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/libusb/libusb20.3 b/lib/libusb/libusb20.3 index 93dfe18..042f885 100644 --- a/lib/libusb/libusb20.3 +++ b/lib/libusb/libusb20.3 @@ -159,6 +159,10 @@ USB access library (libusb -lusb) .Ft uint8_t .Fn libusb20_dev_get_address "struct libusb20_device *pdev" .Ft uint8_t +.Fn libusb20_dev_get_parent_address "struct libusb20_device *pdev" +.Ft uint8_t +.Fn libusb20_dev_get_parent_port "struct libusb20_device *pdev" +.Ft uint8_t .Fn libusb20_dev_get_bus_number "struct libusb20_device *pdev" .Ft uint8_t .Fn libusb20_dev_get_mode "struct libusb20_device *pdev" @@ -756,12 +760,31 @@ is an internal function to allocate a new USB device. .Fn libusb20_dev_get_address returns the internal and not necessarily the real hardware address of the given USB device. +Valid addresses start at one. +. +.Pp +. +.Fn libusb20_dev_get_parent_address +returns the internal and not necessarily the real hardware address of +the given parent USB HUB device. +This value is zero for the root HUB which usually has a device address +equal to one. +Valid addresses start at one. +. +.Pp +. +.Fn libusb20_dev_get_parent_port +returns the port number on the parent USB HUB device. +This value is zero for the root HUB which usually has a device address +equal to one. +Valid port numbers start at one. . .Pp . .Fn libusb20_dev_get_bus_number returns the internal bus number which the given USB device belongs to. +Valid bus numbers start at zero. . .Pp . |
