34 lines
461 B
Go
34 lines
461 B
Go
package usb
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import (
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"fmt"
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)
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type BCD uint16
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const (
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USB_2_0 BCD = 0x0200
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USB_1_1 BCD = 0x0110
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USB_1_0 BCD = 0x0100
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)
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func (d BCD) Int() (i int) {
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ten := 1
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for o := uint(0); o < 4; o++ {
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n := ((0xF << (o * 4)) & d) >> (o * 4)
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i += int(n) * ten
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ten *= 10
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}
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return
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}
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func (d BCD) String() string {
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return fmt.Sprintf("%02x.%02x", int(d>>8), int(d&0xFF))
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}
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type ID uint16
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func (id ID) String() string {
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return fmt.Sprintf("%04x", int(id))
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}
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