Package ch.ntb.usb

Class Usb_Config_Descriptor

    • Field Detail

      • USB_MAXCONFIG

        public static final int USB_MAXCONFIG
        Maximum number of configurations per device
        See Also:
        Constant Field Values

    • Constructor Detail

      • Usb_Config_Descriptor

        public Usb_Config_Descriptor()

    • Method Detail

      • getBConfigurationValue

        public byte getBConfigurationValue()
        Returns the value to use as an argument to select this configuration (LibusbJava.usb_set_configuration(long, int)).
        Returns:
        the value to use as an argument to select this configuration

      • getBmAttributes

        public byte getBmAttributes()
        Returns the power parameters for this configuration.

        Bit 7: Reserved, set to 1 (USB 1.0 Bus Powered)
        Bit 6: Self Powered
        Bit 5: Remote Wakeup
        Bit 4..0: Reserved, set to 0
        Returns:
        the power parameters for this configuration

      • getBNumInterfaces

        public byte getBNumInterfaces()
        Returns the number of interfaces.
        Returns:
        the number of interfaces

      • getExtra

        public byte[] getExtra()
        Returns the data of extra descriptor(s) if available.
        Returns:
        null or a byte array with the extra descriptor data

      • getExtralen

        public int getExtralen()
        Returns the number of bytes of the extra descriptor.
        Returns:
        the number of bytes of the extra descriptor

      • getIConfiguration

        public byte getIConfiguration()
        Returns the index of the String descriptor describing this configuration.
        Returns:
        the index of the String descriptor

      • getInterface

        public Usb_Interface[] getInterface()
        Returns the USB interface descriptors.
        Returns:
        the USB interface descriptors

      • getMaxPower

        public byte getMaxPower()
        Returns the maximum power consumption in 2mA units.
        Returns:
        the maximum power consumption in 2mA units

      • getWTotalLength

        public short getWTotalLength()
        Returns the total length in bytes of all descriptors.
        When the configuration descriptor is read, it returns the entire configuration hierarchy which includes all related interface and endpoint descriptors. The wTotalLength field reflects the number of bytes in the hierarchy.
        Returns:
        the total length in bytes of all descriptors

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object