Hub descriptor. More...
Public Attributes | |
db | bNbrPorts |
dw | wHubCharacteristics |
db | bPwrOn2PwrGood |
db | bHubContrCurrent |
Hub descriptor.
db usb_hub_descr::bHubContrCurrent |
Time in 2ms intervals between powering up a port and a port becoming ready.
db usb_hub_descr::bNbrPorts |
db usb_hub_descr::bPwrOn2PwrGood |
Bit 0: 0 = all ports are powered at once, 1 = individual port power switching Bit 1: reserved, must be zero Bit 2: 1 = the hub is part of a compound device Bits 3-4: 00 = global overcurrent protection, 01 = individual port overcurrent protection, 1x = no overcurrent protection Bits 5-6: Transaction Translator Think Time, 8*(value+1) full-speed bit times Bit 7: 1 = port indicators supported Other bits are reserved.
dw usb_hub_descr::wHubCharacteristics |
Number of downstream ports.