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Файл:Системное программирование. Учебное пособие-1
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Ɍ ɚ ɛ ɥ ɢ ɰ ɚ 3.24
Ɏɨɪɦɚɬ ɡɚɩɪɨɫɚ GET_INTERFACE
ɉɨɥɟ ɡɚɩɪɨɫɚ Ɂɧɚɱɟɧɢɟ
bmRequestType 81h
bRequest 0Ah
wValue 0
wIndex ɂɧɬɟɪɮɟɣɫ
wLength 1
Ⱦɚɧɧɵɟ Ɍɟɤɭɳɚɹ ɧɚɫɬɪɨɣɤɚ
ɉɨɫɥɟ ɜɵɩɨɥɧɟɧɢɹ ɡɚɩɪɨɫɚ GET_INTERFACE ɛɚɡɨɜɵɣ ɭɡɟɥ ɜɨɡɜɪɚɬɢɬ 1 ɛɚɣɬ
ɞɚɧɧɵɯ ɫ ɬɟɤɭɳɟɣ ɧɚɫɬɪɨɣɤɨɣ ɢɧɬɟɪɮɟɣɫɚ. ȿɫɥɢ ɢɧɬɟɪɮɟɣɫ ɧɟ ɫɭɳɟɫɬɜɭɟɬ, ɛɭɞɟɬ ɫɝɟɧɟɪɢɪɨɜɚɧ ɡɚɩɪɨɫ ɨɲɢɛɤɢ.
Ɂɚɩɪɨɫ GET_STATUS ɩɨɡɜɨɥɹɟɬ ɩɨɥɭɱɢɬɶ ɬɟɤɭɳɟɟ ɫɨɫɬɨɹɧɢɟ ɩɨɥɭɱɚɬɟɥɹ,
ɜ ɤɚɱɟɫɬɜɟ ɤɨɬɨɪɨɝɨ ɦɨɠɟɬ ɛɵɬɶ ɭɤɚɡɚɧɨ ɭɫɬɪɨɣɫɬɜɨ USB, ɢɧɬɟɪɮɟɣɫ ɢɥɢ ɤɨɧɟɱɧɚɹ ɬɨɱɤɚ. Ɏɨɪɦɚɬ ɡɚɩɪɨɫɚ ɩɪɟɞɫɬɚɜɥɟɧ ɜ ɬɚɛɥɢɰɟ 3.25.
Ɍ ɚ ɛ ɥ ɢ
ɰ ɚ 3.25
Ɏɨɪɦɚɬ ɡɚɩɪɨɫɚ GET_STATUS
ɉɨɥɟ ɡɚɩɪɨɫɚ Ɂɧɚɱɟɧɢɟ
bmRequestType 81h
bRequest
80h – ɭɫɬɪɨɣɫɬɜɨ, 81h – ɢɧɬɟɪɮɟɣɫ,
82h – ɤɨɧɟɱɧɚɹ ɬɨɱɤɚ
wValue 0
wIndex 0, ɢɧɬɟɪɮɟɣɫ, ɤɨɧɟɱɧɚɹ ɬɨɱɤɚ
wLength 2
Ⱦɚɧɧɵɟ Ɍɟɤɭɳɟɟ ɫɨɫɬɨɹɧɢɟ
ȼ ɩɨɥɟ wIndex ɞɥɹ ɩɨɥɭɱɟɧɢɹ ɫɬɚɬɭɫɚ ɭɫɬɪɨɣɫɬɜɚ USB ɧɭɠɧɨ ɡɚɩɢɫɚɬɶ 0,
ɚ ɞɥɹ ɢɧɬɟɪɮɟɣɫɚ ɢ ɤɨɧɟɱɧɨɣ ɬɨɱɤɢ – ɟɝɨ ɧɨɦɟɪ. ɉɨɫɥɟ ɜɵɩɨɥɧɟɧɢɹ ɡɚɩɪɨɫɚ ɛɚɡɨɜɵɣ ɭɡɟɥ ɜɨɡɜɪɚɬɢɬ 2 ɛɚɣɬɚ, ɫɨɞɟɪɠɚɳɢɟ ɢɧɮɨɪɦɚɰɢɸ ɨ ɫɬɚɬɭɫɟ.
Ⱦɥɹ ɭɫɬɪɨɣɫɬɜɚ USB ɢɧɮɨɪɦɚɰɢɨɧɧɵɦɢ ɹɜɥɹɸɬɫɹ ɫɥɟɞɭɸɳɢɟ ɛɢɬɵ: ɛɢɬ 0 –
ɨɩɪɟɞɟɥɹɟɬ ɢɫɬɨɱɧɢɤ ɩɢɬɚɧɢɹ ɭɫɬɪɨɣɫɬɜɚ (0 – ɩɢɬɚɧɢɟ ɩɨɫɬɭɩɚɟɬ ɫ ɲɢɧɵ, 1 –
ɭɫɬɪɨɣɫɬɜɨ ɢɦɟɟɬ ɫɨɛɫɬɜɟɧɧɵɣ ɢɫɬɨɱɧɢɤ ɩɢɬɚɧɢɹ), ɛɢɬ 1 – ɨɩɪɟɞɟɥɹɟɬ
, ɞɨɫɬɭɩɟɧ ɥɢ ɭɫɬɪɨɣɫɬɜɭ ɜɧɟɲɧɢɣ ɫɢɝɧɚɥ ɧɚ ɩɪɨɛɭɠɞɟɧɢɟ (0 – ɞɚɧɧɚɹ ɜɨɡɦɨɠɧɨɫɬɶ
ɨɬɤɥɸɱɟɧɚ, 1 – ɜɤɥɸɱɟɧɚ). Ɉɫɬɚɥɶɧɵɟ ɛɢɬɵ (ɫ 2 ɩɨ 15) ɡɚɪɟɡɟɪɜɢɪɨɜɚɧɵ ɢ ɧɟ
ɢɫɩɨɥɶɡɭɸɬɫɹ.
Ⱦɥɹ ɢɧɬɟɪɮɟɣɫɚ ɜɫɟ ɛɢɬɵ ɡɚɪɟɡɟɪɜɢɪɨɜɚɧɵ ɢ ɪɚɜɧɵ 0. Ⱦɥɹ ɤɨɧɟɱɧɨɣ ɬɨɱɤɢ
ɛɢɬ 0 ɨɩɪɟɞɟɥɹɟɬ ɛɥɨɤɢɪɨɜɤɭ ɢ ɩɪɢɧɢɦɚɟɬ ɫɥɟɞɭɸɳɢɟ ɡɧɚɱɟɧɢɹ: 0 – ɤɨɧɟɱɧɚɹ
ɬɨɱɤɚ ɞɨɫɬɭɩɧɚ, 1 – ɤɨɧɟɱɧɚɹ ɬɨɱɤɚ ɜɵɤɥɸɱɟɧɚ. Ɉɫɬɚɥɶɧɵɟ ɛɢɬɵ (ɫ 1 ɩɨ 15) ɡɚɪɟɡɟɪɜɢɪɨɜɚɧɵ ɢ
ɪɚɜɧɵ 0.
121
Ɂɚɩɪɨɫ SET_ADDRESS ɩɨɡɜɨɥɹɟɬ ɭɫɬɚɧɨɜɢɬɶ ɚɞɪɟɫ ɭɫɬɪɨɣɫɬɜɚ ɞɥɹ ɩɨɫɥɟɞɭɸɳɟɝɨ ɞɨɫɬɭɩɚ. Ɏɨɪɦɚɬ ɡɚɩɪɨɫɚ ɩɪɟɞɫɬɚɜɥɟɧ ɜ ɬɚɛɥɢɰɟ 3.26.
ȼ ɩɨɥɟ wValue ɫɥɟɞɭɟɬ ɡɚɩɢɫɚɬɶ ɡɧɚɱɟɧɢɟ ɚɞɪɟɫɚ, ɤɨɬɨɪɨɟ ɛɭɞɟɬ ɢɫɩɨɥɶɡɨɜɚɧɨ ɜ ɞɚɥɶɧɟɣɲɟɦ ɞɥɹ ɞɨɫɬɭɩɚ ɤ ɭɫɬɪɨɣɫɬɜɭ ɧɚ ɲɢɧɟ. ɉɪɢ ɭɫɬɚɧɨɜɤɟ ɚɞɪɟɫɚ
ɫɥɟɞɭɟɬ ɩɨɦɧɢɬɶ, ɱɬɨ ɦɚɤɫɢɦɚɥɶɧɨɟ ɡɧɚɱɟɧɢɟ ɧɟ ɦɨɠɟɬ ɩɪɟɜɵɲɚɬɶ 127, ɩɨɫɤɨɥɶɤɭ ɬɚɤ ɨɩɪɟɞɟɥɟɧɨ ɫɬɚɧɞɚɪɬɨɦ USB. ɉɟɪɟɞɚɱɚ ɡɧɚɱɟɧɢɹ
0 ɬɚɤɠɟ ɩɪɢɜɟɞɟɬ
ɤ ɧɟɨɩɪɟɞɟɥɟɧɧɨɦɭ ɪɟɡɭɥɶɬɚɬɭ.
Ɍ ɚ ɛ ɥ ɢ ɰ ɚ 3.26
Ɏɨɪɦɚɬ ɡɚɩɪɨɫɚ SET_ADDRESS
ɉɨɥɟ ɡɚɩɪɨɫɚ Ɂɧɚɱɟɧɢɟ
bmRequestType 00h
bRequest 05h
wValue Ⱥɞɪɟɫ
wIndex 00, ɢɧɬɟɪɮɟɣɫ, ɤɨɧɟɱɧɚɹ ɬɨɱɤɚ
wLength 0
Ⱦɚɧɧɵɟ ɇɟ ɢɫɩɨɥɶɡɭɟɬɫɹ
Ɂɚɩɪɨɫ SET_CONFIGURATION ɩɨɡɜɨɥɹɟɬ ɡɚɞɚɬɶ ɤɨɧɮɢɝɭɪɚɰɢɸ ɞɥɹ
ɭɫɬɪɨɣɫɬɜɚ USB. Ɏɨɪɦɚɬ ɡɚɩɪɨɫɚ ɩɪɟɞɫɬɚɜɥɟɧ ɜ ɬɚɛɥɢɰɟ 3.27.
ȼ ɦɥɚɞɲɢɣ ɛɚɣɬ ɩɨɥɹ wValue ɫɥɟɞɭɟɬ ɡɚɩɢɫɚɬɶ ɡɧɚɱɟɧɢɟ ɤɨɧɮɢɝɭɪɚɰɢɢ.
Ɉɧɨ ɦɨɠɟɬ ɛɵɬɶ ɪɚɜɧɨ 0 ɢɥɢ ɡɧɚɱɟɧɢɸ ɨɩɢɫɚɬɟɥɹ ɤɨɧɮɢɝɭɪɚɰɢɢ.
Ɍ ɚ ɛ ɥ ɢ ɰ ɚ 3.27
Ɏɨɪɦɚɬ ɡɚɩɪɨɫɚ SET_CONFIGURATION
ɉɨɥɟ ɡɚɩɪɨɫɚ Ɂɧɚɱɟɧɢɟ
bmRequestType 00h
bRequest 09h
wValue Ɂɧɚɱɟɧɢɟ ɤɨɧɮɢɝɭɪɚɰɢɢ
wIndex 0
wLength 0
Ⱦɚɧɧɵɟ ɇɟ ɢɫɩɨɥɶɡɭɟɬɫɹ
Ɂɚɩɪɨɫ SET_DESCRIPTOR ɹɜɥɹɟɬɫɹ ɞɨɩɨɥɧɢɬɟɥɶɧɵɦ ɢ ɩɨɡɜɨɥɹɟɬ ɨɛɧɨɜɢɬɶ ɫɭɳɟɫɬɜɭɸɳɢɣ ɨɩɢɫɚɬɟɥɶ ɢɥɢ ɞɨɛɚɜɢɬɶ ɧɨɜɵɣ. Ɏɨɪɦɚɬ ɡɚɩɪɨɫɚ ɩɪɟɞɫɬɚɜɥɟɧ ɜ ɬɚɛɥɢɰɟ 3.28.
122
Ɍ ɚ ɛ ɥ ɢ ɰ ɚ 3.28
Ɏɨɪɦɚɬ ɡɚɩɪɨɫɚ SET_DESCRIPTOR
ɉɨɥɟ ɡɚɩɪɨɫɚ Ɂɧɚɱɟɧɢɟ
bmRequestType 00h
bRequest 07h
wValue Ɍɢɩ ɢɥɢ ɢɧɞɟɤɫ ɨɩɢɫɚɬɟɥɹ
wIndex 0 ɢɥɢ Language ID
wLength Ⱦɥɢɧɚ ɨɩɢɫɚɬɟɥɹ
Ⱦɚɧɧɵɟ Ɉɩɢɫɚɬɟɥɶ
ȼ ɩɨɥɟ wValue ɫɥɟɞɭɟɬ ɡɚɧɟɫɬɢ ɬɢɩ ɨɩɢɫɚɬɟɥɹ (ɫɬɚɪɲɢɣ ɛɚɣɬ) ɢ ɟɝɨ ɢɧɞɟɤɫ (ɦɥɚɞɲɢɣ ɛɚɣɬ). Ⱦɨɫɬɭɩɧɵɟ ɬɢɩɵ ɨɩɢɫɚɬɟɥɹ ɩɪɟɞɫɬɚɜɥɟɧɵ ɜ ɬɚɛɥɢɰɟ 3.19.
ɉɪɢ ɷɬɨɦ ɨɩɢɫɚɬɟɥɶ ɢɧɞɟɤɫɚ ɢɫɩɨɥɶɡɭɟɬɫɹ ɬɨɥɶɤɨ ɞɥɹ ɤɨɧɮɢɝɭɪɚɰɢɢ ɢɥɢ ɫɬɪɨɤɢ, ɢɧɚɱɟ ɨɧ ɞɨɥɠɟɧ ɛɵɬɶ ɪɚɜɟɧ 0. ȼ ɩɨɥɟ wIndex ɩɟɪɟɞɚɸɬ ɢɞɟɧɬɢɮɢɤɚɬɨɪ
ɹɡɵɤɚ (ɬɨɥɶɤɨ ɞɥɹ ɨɩɢɫɚɬɟɥɹ ɫɬɪɨɤɢ) ɢɥɢ 0. ȼ ɩɨɥɟ wLength ɧɭɠɧɨ
ɡɚɩɢɫɚɬɶ
ɪɚɡɦɟɪ ɨɩɢɫɚɬɟɥɹ ɜ ɛɚɣɬɚɯ.
ɉɨɫɥɟ ɭɫɩɟɲɧɨɝɨ ɜɵɩɨɥɧɟɧɢɹ ɡɚɩɪɨɫɚ ɛɭɞɟɬ ɜɨɡɜɪɚɳɟɧɚ ɢɧɮɨɪɦɚɰɢɹ ɨ ɡɚɩɪɨɲɟɧɧɨɦ ɨɩɢɫɚɬɟɥɟ ɢɥɢ ɫɝɟɧɟɪɢɪɨɜɚɧ ɡɚɩɪɨɫ ɨɲɢɛɤɢ.
Ɂɚɩɪɨɫ SET_FEATURE ɨɛɟɫɩɟɱɢɜɚɟɬ ɭɫɬɚɧɨɜɤɭ ɢɥɢ ɜɤɥɸɱɟɧɢɟ ɨɩɪɟɞɟɥɟɧɧɨɣ ɧɚɫɬɪɨɣɤɢ (ɫɜɨɣɫɬɜɚ ɭɫɬɪɨɣɫɬɜɚ, ɢɧɬɟɪɮɟɣɫɚ ɢɥɢ ɤɨɧɟɱɧɨɣ ɬɨɱɤɢ).
Ɏɨɪɦɚɬ ɡɚɩɪɨɫɚ ɩɪɟɞɫɬɚɜɥɟɧ ɜ ɬɚɛɥɢɰɟ 3.29.
Ɍ ɚ ɛ ɥ ɢ ɰ ɚ 3.29
Ɏɨɪɦɚɬ ɡɚɩɪɨɫɚ SET_FEATURE
ɉɨɥɟ
ɡɚɩɪɨɫɚ Ɂɧɚɱɟɧɢɟ
bmRequestType
00h – ɭɫɬɪɨɣɫɬɜɨ, 01h – ɢɧɬɟɪɮɟɣɫ, 02h –
ɤɨɧɟɱɧɚɹ ɬɨɱɤɚ
bRequest 03h
wValue Ɂɧɚɱɟɧɢɟ ɧɚɫɬɪɨɣɤɢ
wIndex 0 ɢɥɢ ɧɚɫɬɪɨɣɤɚ ɪɟɠɢɦɚ ɬɟɫɬɢɪɨɜɚɧɢɹ
wLength 0
Ⱦɚɧɧɵɟ ɇɟ ɢɫɩɨɥɶɡɭɟɬɫɹ
ȼ ɩɨɥɟ wValue ɫɥɟɞɭɟɬ ɡɚɩɢɫɚɬɶ ɡɧɚɱɟɧɢɟ ɧɚɫɬɪɨɣɤɢ, ɫɨɨɬɜɟɬɫɬɜɭɸɳɟɟ
ɤɨɞɭ, ɡɚɞɚɧɧɨɦɭ ɜ ɩɨɥɟ bmRequestType. ɉɨɥɟ wIndex ɞɥɹ ɢɧɬɟɪɮɟɣɫɚ ɢ ɤɨɧɟɱɧɨɣ ɬɨɱɤɢ ɞɨɥɠɧɨ ɛɵɬɶ ɪɚɜɧɨ 0, ɚ ɞɥɹ ɭɫɬɪɨɣɫɬɜɚ USB ɨɞɧɨɦɭ ɢɡ ɫɬɚɧɞɚɪɬɧɵɯ ɡɧɚɱɟɧɢɣ ɢɡ ɬɚɛɥɢɰɵ 3.30.
123
Ɍ ɚ ɛ ɥ ɢ ɰ ɚ 3.30
ɇɚɫɬɪɨɣɤɢ ɪɟɠɢɦɚ ɬɟɫɬɢɪɨɜɚɧɢɹ
ɉɨɥɟ ɡɚɩɪɨɫɚ Ɂɧɚɱɟɧɢɟ
00h
01h
02h
03h
Test_J (ɬɟɫɬɢɪɨɜɚɧɢɟ ɛɵɫɬɪɨɞɟɣɫɬɜɢɹ)
Test_K (ɬɟɫɬɢɪɨɜɚɧɢɟ ɛɵɫɬɪɨɞɟɣɫɬɜɢɹ)
Test_SE0_NAK (ɬɟɫɬɢɪɨɜɚɧɢɟ ɛɵɫɬɪɨɞɟɣɫɬɜɢɹ)
Ɋɟɡɟɪɜ
Test_Packet (ɬɟɫɬɢɪɨɜɚɧɢɟ ɜɨɥɧɨɜɵɯ ɯɚɪɚɤɬɟɪɢɫɬɢɤ
04h
05h
06h – BFh
C0h – FFh
Test_Force_Enable (ɬɟɫɬɢɪɨɜɚɧɢɟ ɩɨɞɤɥɸɱɟɧɢɣ ɧɚ ɥɢɧɢɢ)
Ɂɚɪɟɡɟɪɜɢɪɨɜɚɧɨ ɞɥɹ ɩɪɨɢɡɜɨɞɢɬɟɥɟɣ
ɫɢɝɧɚɥɚ)
Ɋɟɡɟɪɜ
Ɂɚɩɪɨɫ SET_INTERFACE ɩɨɡɜɨɥɹɟɬ ɛɚɡɨɜɨɦɭ ɭɡɥɭ ɜɵɛɢɪɚɬɶ ɧɚɫɬɪɨɣɤɢ
ɞɥɹ ɨɩɪɟɞɟɥɟɧɧɨɝɨ ɢɧɬɟɪɮɟɣɫɚ. Ɏɨɪɦɚɬ ɡɚɩɪɨɫɚ ɩɪɟɞɫɬɚɜɥɟɧ ɜ ɬɚɛɥɢɰɟ 3.31.
Ɍ ɚ ɛ ɥ ɢ ɰ ɚ 3.31
Ɏɨɪɦɚɬ ɡɚɩɪɨɫɚ SET_INTERFACE
ɉɨɥɟ ɡɚɩɪɨɫɚ Ɂɧɚɱɟɧɢɟ
bmRequestType 01h
bRequest 0Bh
wValue Ɂɧɚɱɟɧɢɟ ɧɚɫɬɪɨɣɤɢ
wIndex ɂɧɬɟɪɮɟɣɫ
wLength 0
Ⱦɚɧɧɵɟ ɇɟ ɢɫɩɨɥɶɡɭɟɬɫɹ
ȼ ɩɨɥɟ wValue ɫɥɟɞɭɟɬ ɡɚɩɢɫɚɬɶ ɡɧɚɱɟɧɢɟ ɧɚɫɬɪɨɣɤɢ, ɚ ɜ ɩɨɥɟ wIndex –
ɧɨɦɟɪ ɢɧɬɟɪɮɟɣɫɚ. ȿɫɥɢ ɢɧɬɟɪɮɟɣɫ ɧɟ ɫɭɳɟɫɬɜɭɟɬ ɢɥɢ ɨɬɫɭɬɫɬɜɭɟɬ ɧɚɫɬɪɨɣɤɚ,
ɬɨ ɛɭɞɟɬ ɫɝɟɧɟɪɢɪɨɜɚɧ ɡɚɩɪɨɫ ɨɲɢɛɤɢ.
Ɂɚɩɪɨɫ SYNCH_FRAME ɩɪɟɞɧɚɡɧɚɱɟɧ ɞɥɹ ɭɫɬɚɧɨɜɤɢ ɫɬɪɭɤɬɭɪɵ ɨɛɴɟɤɬɚ
ɫɢɧɯɪɨɧɢɡɚɰɢɢ ɞɥɹ ɤɨɧɟɱɧɨɣ ɬɨɱɤɢ. Ɏɨɪɦɚɬ ɡɚɩɪɨɫɚ ɩɪɟɞɫɬɚɜɥɟɧ ɜ ɬɚɛɥɢɰɟ 3.32.
Ɍ ɚ ɛ ɥ ɢ ɰ ɚ 3.32
Ɏɨɪɦɚɬ ɡɚɩɪɨɫɚ SYNCH_FRAME
ɉɨɥɟ
ɡɚɩɪɨɫɚ Ɂɧɚɱɟɧɢɟ
bmRequestType 82h
bRequest 82h
wValue 0
wIndex Ʉɨɧɟɱɧɚɹ ɬɨɱɤɚ
wLength 2
Ⱦɚɧɧɵɟ ɇɨɦɟɪ ɤɚɞɪɚ
124
Ⱦɚɧɧɵɣ ɡɚɩɪɨɫ ɜɵɩɨɥɧɹɟɬɫɹ ɞɥɹ ɤɨɧɟɱɧɨɣ ɬɨɱɤɢ, ɤɨɬɨɪɚɹ ɩɨɞɞɟɪɠɢɜɚɟɬ
ɢɡɨɯɪɨɧɧɵɣ ɨɛɦɟɧ ɞɚɧɧɵɦɢ ɢ ɩɨɡɜɨɥɹɟɬ ɫɢɧɯɪɨɧɢɡɢɪɨɜɚɬɶ ɟɟ ɪɚɛɨɬɭ ɨɬɧɨɫɢɬɟɥɶɧɨ ɛɚɡɨɜɨɝɨ ɭɡɥɚ. ȼ ɩɨɥɟ wIndex ɫɥɟɞɭɟɬ ɡɚɩɢɫɚɬɶ ɧɨɦɟɪ ɤɨɧɟɱɧɨɣ ɬɨɱɤɢ.
ȼ ɪɟɡɭɥɶɬɚɬɟ ɜɵɩɨɥɧɟɧɢɹ ɡɚɩɪɨɫɚ ɛɭɞɟɬ ɜɨɡɜɪɚɳɟɧɨ 2 ɛɚɣɬɚ ɫ ɬɟɤɭɳɢɦ ɧɨɦɟɪɨɦ ɤɚɞɪɚ.
Ⱦɚɥɟɟ ɪɚɫɫɦɨɬɪɢɦ ɩɨɞɪɨɛɧɟɟ, ɱɬɨ ɬɚɤɨɟ ɨɩɢɫɚɬɟɥɶ (descriptor). Ɉɩɢɫɚɬɟɥɶ –
ɷɬɨ ɫɬɪɭɤɬɭɪɚ ɞɚɧɧɵɯ, ɤɨɬɨɪɚɹ
ɫɨɞɟɪɠɢɬ ɜɫɸ ɢɧɮɨɪɦɚɰɢɸ ɨɛ ɭɫɬɪɨɣɫɬɜɟ USB
(ɢɧɬɟɪɮɟɣɫɟ ɢɥɢ ɤɨɧɟɱɧɨɣ ɬɨɱɤɟ), ɧɟɨɛɯɨɞɢɦɭɸ ɛɚɡɨɜɨɦɭ ɭɡɥɭ ɞɥɹ ɜɡɚɢɦɨɞɟɣɫɬɜɢɹ ɫ ɧɢɦ. ɂɦɟɸɬɫɹ ɨɫɧɨɜɧɨɣ ɢ ɞɨɩɨɥɧɢɬɟɥɶɧɵɣ ɨɩɢɫɚɬɟɥɶ ɭɫɬɪɨɣɫɬɜɚ, ɚ
ɬɚɤɠɟ ɨɩɢɫɚɬɟɥɢ ɤɨɧɮɢɝɭɪɚɰɢɢ, ɢɧɬɟɪɮɟɣɫɚ ɢ ɤɨɧɟɱɧɨɣ ɬɨɱɤɢ.
Ɏɨɪɦɚɬ ɨɫɧɨɜɧɨɝɨ ɨɩɢɫɚɬɟɥɹ ɭɫɬɪɨɣɫɬɜɚ ɩɪɟɞɫɬɚɜɥɟɧ ɜ ɬɚɛɥɢɰɟ 3.33.
Ɍ ɚ ɛ ɥ ɢ ɰ ɚ 3.33
Ɏɨɪɦɚɬ ɨɫɧɨɜɧɨɝɨ ɨɩɢɫɚɬɟɥɹ ɭɫɬɪɨɣɫɬɜɚ
ɋɦɟɳɟɧɢɟ
Ɋɚɡɦɟɪ,
ɛɚɣɬ
ɇɚɢɦɟɧɨɜɚɧɢɟ Ɉɩɢɫɚɧɢɟ
00h 1 bLength Ɋɚɡɦɟɪ ɨɩɢɫɚɬɟɥɹ ɜ ɛɚɣɬɚɯ
Ɍɢɩ ɨɩɢɫɚɬɟɥɹ. ɇɟɤɨɬɨɪɵɟ ɢɡ
01h 1 bDescriptorType
ɫɭɳɟɫɬɜɭɸɳɢɯ ɫɬɚɧɞɚɪɬɧɵɯ ɬɢ-
ɩɨɜ ɩɪɟɞɫɬɚɜɥɟɧɵ ɜ ɬɚɛɥ. 3.34
ɇɨɦɟɪ ɜɟɪɫɢɢ ɬɟɤɭɳɟɝɨ ɫɬɚɧ-
02h 2 BcdUSB
ɞɚɪɬɚ USB (ɞɥɹ ɫɬɚɧɞɚɪɬɚ 2.0
ɷɬɨ 200h), ɡɚɤɨɞɢɪɨɜɚɧɧɵɣ ɜ
ɞɜɨɢɱɧɨ-ɞɟɫɹɬɢɱɧɨɦ ɮɨɪɦɚɬɟ
Ʉɨɞ ɤɥɚɫɫɚ ɭɫɬɪɨɣɫɬɜɚ. ɉɪɢ ɢɫɩɨɥɶɡɨɜɚɧɢɢ ɡɧɚɱɟɧɢɹ 00h ɤɚɠ-
04h 1 bDeviceClass
ɞɵɣ ɢɧɬɟɪɮɟɣɫ ɜ ɩɪɟɞɟɥɚɯ ɤɨɧ-
ɮɢɝɭɪɚɰɢɢ ɢɦɟɟɬ ɫɨɛɫɬɜɟɧɧɵɣ
ɤɥɚɫɫ, ɚ ɪɚɡɥɢɱɧɵɟ ɢɧɬɟɪɮɟɣɫɵ
ɪɚɛɨɬɚɸɬ ɧɟɡɚɜɢɫɢɦɨ
Ʉɨɞ ɩɨɞɤɥɚɫɫɚ ɭɫɬɪɨɣɫɬɜɚ. ȿɫɥɢ
05h 1 bDeviceSubClass
ɩɨɥɟ ɤɨɞɚ ɤɥɚɫɫɚ ɪɚɜɧɨ 00h, ɬɨ ɜ
ɷɬɨ ɩɨɥɟ ɬɨɠɟ ɞɨɥɠɟɧ
ɩɟɪɟɞɚɜɚɬɶɫɹ 0
Ʉɨɞ ɩɪɨɬɨɤɨɥɚ. Ɉɩɪɟɞɟɥɹɟɬ ɩɪɨ-
ɬɨɤɨɥ, ɢɫɩɨɥɶɡɭɟɦɵɣ ɩɟɪɟɞɚɧɧɵɦ ɤɥɚɫɫɨɦ ɭɫɬɪɨɣɫɬɜɚ. ȿɫɥɢ
ɡɧɚɱɟɧɢɟ ɪɚɜɧɨ 00h, ɬɨ ɭɫɬɪɨɣ-
06h 1 bDeviceProtocol
ɫɬɜɨ ɧɟ ɪɚɛɨɬɚɟɬ ɫ ɩɪɨɬɨɤɨɥɨɦ,
ɡɚɞɚɧɧɵɦ ɞɥɹ ɞɚɧɧɨɝɨ ɤɥɚɫɫɚ.
ȿɫɥɢ ɡɧɚɱɟɧɢɟ ɪɚɜɧɨ FFh, ɬɨ
ɭɫɬɪɨɣɫɬɜɨ ɪɚɛɨɬɚɟɬ ɩɨ ɩɪɨɬɨ-
ɤɨɥɭ ɩɪɨɢɡɜɨɞɢɬɟɥɹ
125
ɳ
ɪ
ɭɫɬɪ
Ɉ ɤ ɨ ɧ ɱ ɚ ɧ ɢ ɟ ɬ ɚ ɛ ɥ ɢ ɰ ɚ 3.33
ɋɦɟɳɟɧɢɟ
Ɋɚɡɦɟɪ,
ɛɚɣɬ
ɇɚɢɦɟɧɨɜɚɧɢɟ Ɉɩɢɫɚɧɢɟ
Ɇɚɤɫɢɦɚɥɶɧɨɟ ɡɧɚɱɟɧɢɟ ɩɚɤɟɬɚ
07h 1 bMaxPacketSize0
ɞɚɧɧɵɯ ɞɥɹ ɧɭɥɟɜɨɣ ɤɨɧɟɱɧɨɣ
ɬɨɱɤɢ. Ⱦɨɫɬɭɩɧɵ ɬɨɥɶɤɨ ɫɥɟɞɭ-
ɸ
08h 2 idVendor
ɭɫɬɪɨɣɫɬɜɚ – ɭɧɢɤɚɥɶɧɨɟ ɡɧɚɱɟɧɢɟ ɞɥɹ ɤɚɠɞɨɝɨ ɩ
0Ah 2 idProduct ɂɞɟɧɬɢɮɢɤɚɬɨɪ ɢɡɞɟɥɢɹ
0Ch 2 bcdDevice
0Eh 1 iManufacturer
0Fh 1 iProduct
ɇɨɦɟɪ ɜɟɪɫɢɢ ɭɫɬɪɨɣɫɬɜɚ ɜ ɞɜɨ-
ɢɱɧɨ-ɞɟɫɹɬɢɱɧɨɦ ɮɨɪɦɚɬɟ
ɂɧɞɟɤɫ ɫɦɟɳɟɧɢɹ ɞɥɹ ɫɬɪɨɤɨɜɨ-
ɝɨ ɨɩɢɫɚɧɢɹ ɩɪɨɢɡɜɨɞɢɬɟɥɹ
ɂɧɞɟɤɫ ɫɦɟɳɟɧɢɹ ɞɥɹ ɫɬɪɨɤɨɜɨ-
ɂɧɞɟɤɫ ɫɦɟɳɟɧɢɹ ɞɥɹ ɫɬɪɨɤɨɜɨ-
10h 1 iSerialNumber
11h 1
bNumConfigura-
tions
ɝɨ ɨɩɢɫɚɧɢɹ ɫɟɪɢɣɧɨɝɨ ɧɨɦɟɪɚ
Ʉɨɥɢɱɟɫɬɜɨ ɞɨɫɬɭɩɧɵɯ ɤɨɧɮɢ-
Ɍɢɩɵ ɨɩɢɫɚɬɟɥɟɣ
Ɍɢɩ Ɂɧɚɱɟɧɢɟ Ɉɩɢɫɚɧɢɟ
USB_DEVICE_DESCRIPTOR_TYPE 01h
USB_CONFIGURATION_ DE-
SCRIPTOR_TYPE
USB_STRING_DESCRIPTOR_TYPE 03h
USB_INTERFACE_DESCRIPTOR_TYPE 04h
USB_ENDPOINT_DESCRIPTOR_TYPE 05h
ɢɟ ɡɧɚɱɟɧɢɹ: 8, 16, 32 ɢ 64
Ʉɨɞ ɩɪɨɢɡɜɨɞɢɬɟɥɹ
ɨɢɡɜɨɞɢɬɟɥɹ
ɝɨ ɨɩɢɫɚɧɢɹ ɢɡɞɟɥɢɹ
ɨɣɫɬɜɚ
ɝɭɪɚɰɢɣ ɭɫɬɪɨɣɫɬɜɚ
Ɍ ɚ ɛ ɥ ɢ ɰ ɚ 3.34
Ɉɩɢɫɚɬɟɥɶ
ɭɫɬɪɨɣɫɬɜɚ
USB
02h
Ɉɩɢɫɚɬɟɥɶ
ɤɨɧɮɢɝɭɪɚɰɢɢ
Ɉɩɢɫɚɬɟɥɶ
ɫɬɪɨɤɢ
Ɉɩɢɫɚɬɟɥɶ
ɢɧɬɟɪɮɟɣɫɚ
Ɉɩɢɫɚɬɟɥɶ
ɤɨɧɟɱɧɨɣ
ɬɨɱɤɢ
126
Ɍ ɚ ɛ ɥ ɢ ɰ ɚ 3.35
Ʉɥɚɫɫɵ ɭɫɬɪɨɣɫɬɜ
Ʉɥɚɫɫ Ɂɧɚɱɟɧɢɟ Ɉɩɢɫɚɧɢɟ
USB_DEVICE_CLASS_RESERVED 00h Ɂɚɪɟɡɟɪɜɢɪɨɜɚɧ
ɍɫɬɪɨɣɫɬɜɨ,
USB_DEVICE_CLASS_AUDIO 01h
ɪɚɛɨɬɚɸɳɟɟ
ɫɨ ɡɜɭɤɨɦ
USB_DEVICE_CLASS_ COMMUNI-
CATIONS
USB_DEVICE_CLASS_HUMAN_ IN-
TERFACE
02h ɍɫɬɪɨɣɫɬɜɨ ɫɜɹɡɢ
ɍɫɬɪɨɣɫɬɜɨ
03h
ɞɥɹ ɜɡɚɢɦɨɞɟɣɫɬɜɢɹ
ɫ ɱɟɥɨɜɟɤɨɦ
ɍɫɬɪɨɣɫɬɜɨ
USB_DEVICE_CLASS_MONITOR 04h
ɞɥɹ ɜɵɜɨɞɚ
ɢɡɨɛɪɚɠɟɧɢɹ
ɍɫɬɪɨɣɫɬɜɨ
USB_DEVICE_CLASS_PHYSICAL_
INTERFACE
05h
ɫ ɨɩɪɟɞɟɥɟɧɧɵɦ
ɮɢɡɢɱɟɫɤɢɦ
ɢɧɬɟɪɮɟɣɫɨɦ
USB_DEVICE_CLASS_POWER 06h
ɍɫɬɪɨɣɫɬɜɨ
ɭɩɪɚɜɥɟɧɢɹ ɩɢɬɚɧɢɟɦ
USB_DEVICE_CLASS_PRINTER 07h ɍɫɬɪɨɣɫɬɜɨ ɩɟɱɚɬɢ
USB_DEVICE_CLASS_STORAGE 08h
USB_DEVICE_CLASS_HUB 09h
USB_DEVICE_CLASS_VENDOR_
SPECIFIC
FFh
ɍɫɬɪɨɣɫɬɜɨ ɯɪɚɧɟɧɢɹ
ɞɚɧɧɵɯ
Ɋɚɡɜɟɬɜɢɬɟɥɶ ɲɢɧɵ
(hub)
Ʉɥɚɫɫ ɭɫɬɪɨɣɫɬɜɚ
ɨɩɪɟɞɟɥɹɟɬɫɹ
ɢɡɝɨɬɨɜɢɬɟɥɟɦ
Ʉɪɨɦɟ ɨɫɧɨɜɧɨɝɨ ɨɩɢɫɚɬɟɥɹ, ɫɭɳɟɫɬɜɭɟɬ ɞɨɩɨɥɧɢɬɟɥɶɧɵɣ, ɤɨɬɨɪɵɣ ɫɨɞɟɪɠɢɬ ɢɧɮɨɪɦɚɰɢɸ ɨ ɛɵɫɬɪɨɞɟɣɫɬɜɢɢ ɭɫɬɪɨɣɫɬɜɚ. ɇɚɩɪɢɦɟɪ, ɟɫɥɢ ɭɫɬɪɨɣɫɬɜɨ
ɪɚɛɨɬɚɟɬ ɧɚ ɦɚɤɫɢɦɚɥɶɧɨɣ ɫɤɨɪɨɫɬɢ, ɬɨ ɨɩɢɫɚɬɟɥɶ ɜɨɡɜɪɚɬɢɬ ɢɧɮɨɪɦɚɰɢɸ ɨ
ɬɨɦ, ɤɚɤ ɭɫɬɪɨɣɫɬɜɨ ɦɨɝɥɨ ɛɵ ɪɚɛɨɬɚɬɶ ɧɚ ɩɨɧɢɠɟɧɧɨɣ ɫɤɨɪɨɫɬɢ, ɢ ɧɚɨɛɨɪɨɬ.
Ɏɨɪɦɚɬ ɞɨɩɨɥɧɢɬɟɥɶɧɨɝɨ ɨɩɢɫɚɬɟɥɹ ɭɫɬɪɨɣɫɬɜɚ ɩɪɟɞɫɬɚɜɥɟɧ ɜ ɬɚɛɥɢɰɟ 3.36.
127
Ɏɨɪɦɚɬ ɞɨɩɨɥɧɢɬɟɥɶɧɨɝɨ ɨɩɢɫɚɬɟɥɹ ɭɫɬɪɨɣɫɬɜɚ
ɋɦɟɳɟɧɢɟ
Ɋɚɡɦɟɪ,
ɛɚɣɬ
00h 1 bLength
01h 1 bDescriptorType
ɇɚɢɦɟɧɨɜɚɧɢɟ Ɉɩɢɫɚɧɢɟ
Ɋɚɡɦɟɪ ɫɬɪɭɤɬɭɪɵ
ɨɩɢɫɚɬɟɥɹ ɜ ɛɚɣɬɚɯ
Ɍɢɩ ɞɨɩɨɥɧɢɬɟɥɶɧɨɝɨ
ɨɩɢɫɚɬɟɥɹ
ɇɨɦɟɪ ɜɟɪɫɢɢ ɬɟɤɭɳɟɝɨ
ɫɬɚɧɞɚɪɬɚ USB (ɞɥɹ 2.0 ɷɬɨ
02h 2 bcdUSB
200h), ɡɚɤɨɞɢɪɨɜɚɧɧɵɣ
ɜ ɞɜɨɢɱɧɨ-ɞɟɫɹɬɢɱɧɨɦ
ɮɨɪɦɚɬɟ
04h 1 bDeviceClass Ʉɨɞ ɤɥɚɫɫɚ
05h 1 bDeviceSubClass Ʉɨɞ ɩɨɞɤɥɚɫɫɚ
06h 1 bDeviceProtocol Ʉɨɞ ɩɪɨɬɨɤɨɥɚ
Ɇɚɤɫɢɦɚɥɶɧɵɣ ɪɚɡɦɟɪ
07h 1 bMaxPacketSize0
ɩɚɤɟɬɚ ɞɚɧɧɵɯ ɞɥɹ ɞɪɭɝɨɣ
ɫɤɨɪɨɫɬɢ
Ɍ ɚ ɛ ɥ ɢ ɰ ɚ 3.36
08h 1 bNumConfigurations
ɑɢɫɥɨ ɤɨɧɮɢɝɭɪɚɰɢɣ ɞɥɹ
ɞɪɭɝɨɣ ɫɤɨɪɨɫɬɢ
Ɂɧɚɱɟɧɢɟ ɩɨɥɹ
09h 1 bReserved
ɡɚɪɟɡɟɪɜɢɪɨɜɚɧɨ ɢ ɞɨɥɠɧɨ
ɛɵɬɶ ɪɚɜɧɨ 0
ɋɥɟɞɭɸɳɢɣ ɬɢɩ ɨɩɢɫɚɬɟɥɹ, ɤɨɬɨɪɵɣ ɦɵ ɪɚɫɫɦɨɬɪɢɦ, ɫɨɞɟɪɠɢɬ ɤɨɧɮɢɝɭɪɚɰɢɸ ɭɫɬɪɨɣɫɬɜɚ USB. Ɉɧ ɦɨɠɟɬ ɩɪɟɞɫɬɚɜɥɹɬɶ ɛɨɥɟɟ ɨɞɧɨɝɨ ɨɩɢɫɚɬɟɥɹ ɤɨɧɮɢɝɭɪɚɰɢɢ ɞɥɹ ɨɩɪɟɞɟɥɟɧɧɨɝɨ ɭɫɬɪɨɣɫɬɜɚ USB. ȼ ɫɜɨɸ ɨɱɟɪɟɞɶ, ɤɚɠɞɚɹ ɤɨɧɮɢɝɭɪɚɰɢɹ ɦɨɠɟɬ ɫɨɫɬɨɹɬɶ ɛɨɥɟɟ ɱɟɦ ɢɡ ɨɞɧɨɝɨ ɢɧɬɟɪɮɟɣɫɚ, ɚ ɢɧɬɟɪɮɟɣɫ ɢɦɟɬɶ ɧɟɫɤɨɥɶɤɨ ɢɥɢ ɧɢ ɨɞɧɨɣ ɤɨɧɟɱɧɨɣ ɬɨɱɤɢ. Ɏɨɪɦɚɬ ɨɩɢɫɚɬɟɥɹ ɤɨɧɮɢɝɭɪɚɰɢɢ ɩɪɟɞɫɬɚɜɥɟɧ ɜ
ɬɚɛɥɢɰɟ 3.37.
ɋɬɚɧɞɚɪɬɧɵɣ ɨɩɢɫɚɬɟɥɶ ɫɨɞɟɪɠɢɬ ɫɜɟɞɟɧɢɹ ɨɛ ɢɧɬɟɪɮɟɣɫɟ ɞɥɹ ɡɚɞɚɧɧɨɣ
ɤɨɧɮɢɝɭɪɚɰɢɢ, ɤɨɬɨɪɚɹ ɩɨɞɞɟɪɠɢɜɚɟɬ ɨɞɢɧ ɢɥɢ ɧɟɫɤɨɥɶɤɨ ɢɧɬɟɪɮɟɣɫɨɜ, ɤɚɠɞɵɣ ɢɡ ɤɨɬɨɪɵɯ ɜɤɥɸɱɚɟɬ ɜ ɫɟɛɹ ɨɩɢɫɚɬɟɥɶ ɤɨɧɟɱɧɨɣ ɬɨɱɤɢ.
128
Ɍ ɚ ɛ ɥ ɢ ɰ ɚ 3.37
Ɏɨɪɦɚɬ ɨɩɢɫɚɬɟɥɹ ɤɨɧɮɢɝɭɪɚɰɢɢ
ɋɦɟɳɟɧɢɟ
Ɋɚɡɦɟɪ,
ɛɚɣɬ
00h 1 bLength
ɇɚɢɦɟɧɨɜɚɧɢɟ Ɉɩɢɫɚɧɢɟ
Ɋɚɡɦɟɪ ɫɬɪɭɤɬɭɪɵ ɨɩɢɫɚɬɟɥɹ
ɜ ɛɚɣɬɚɯ
01h 1 bDescriptorType Ɍɢɩ ɨɩɢɫɚɬɟɥɹ
02h 2 wTotalLength Ⱦɥɢɧɚ ɨɩɢɫɚɬɟɥɹ ɜ ɛɚɣɬɚɯ
Ʉɨɥɢɱɟɫɬɜɨ ɢɧɬɟɪɮɟɣɫɨɜ,
04h 1 bNumInterfaces
ɩɨɞɞɟɪɠɢɜɚɟɦɵɯ
ɤɨɧɮɢɝɭɪɚɰɢɟɣ
00h 1 bLength
Ɋɚɡɦɟɪ ɫɬɪɭɤɬɭɪɵ ɨɩɢɫɚɬɟɥɹ
ɜ ɛɚɣɬɚɯ
Ʉɨɞ ɤɨɧɮɢɝɭɪɚɰɢɢ,
05h 1 bConfigurationValue
ɢɫɩɨɥɶɡɭɟɦɵɣ ɜ ɫɬɚɧɞɚɪɬɧɨɦ
ɡɚɩɪɨɫɟ ɞɥɹ ɟɟ ɭɫɬɚɧɨɜɤɢ
06h 1 {Configuration
ɋɦɟɳɟɧɢɟ ɞɥɹ ɫɬɪɨɤɨɜɨɝɨ
ɨɩɢɫɚɧɢɹ ɤɨɧɮɢɝɭɪɚɰɢɢ
Ⱦɨɩɨɥɧɢɬɟɥɶɧɵɟ ɫɜɨɣɫɬɜɚ
ɤɨɧɮɢɝɭɪɚɰɢɢ. Ȼɢɬɵ 0–4 ɢ 7
ɡɚɪɟɡɟɪɜɢɪɨɜɚɧɵ ɢ ɪɚɜɧɵ 0.
Ȼɢɬ 5 ɨɩɪɟɞɟɥɹɟɬ, ɞɨɫɬɭɩɟɧ ɥɢ
07h 1 bmAttributes
ɭɫɬɪɨɣɫɬɜɭ ɜɧɟɲɧɢɣ ɫɢɝɧɚɥ ɧɚ
«ɩɪɨɛɭɠɞɟɧɢɟ»: 0 – ɧɟɬ, 1– ɞɨ-
ɫɬɭɩɟɧ. Ȼɢɬ 6 ɨɩɪɟɞɟɥɹɟɬ
ɭɩɪɚɜɥɟɧɢɟ ɩɢɬɚɧɢɟɦ: 0 – ɩɨ
ɲɢɧɟ USB, 1– ɫɜɨɣ ɢɫɬɨɱɧɢɤ
ɩɢɬɚɧɢɹ
Ɇɚɤɫɢɦɚɥɶɧɨɟ ɡɧɚɱɟɧɢɟ ɬɨɤɚ,
ɩɨɬɪɟɛɥɹɟɦɨɟ ɭɫɬɪɨɣɫɬɜɨɦ
08h 1 bMaxPower
USB, ɜ ɦȺ ɫ ɲɚɝɨɦ ɜ 2 ɦȺ
(ɧɚɩɪɢɦɟɪ, ɡɧɚɱɟɧɢɟ 20
ɫɨɨɬɜɟɬɫɬɜɭɟɬ ɬɨɤɭ 40 ɦȺ)
Ɂɚɩɪɨɫ GET_CONFIGURATION ɜɨɡɜɪɚɳɚɟɬ ɨɩɢɫɚɬɟɥɶ ɢɧɬɟɪɮɟɣɫɚ, ɚ ɬɚɤɠɟ
ɨɩɢɫɚɬɟɥɶ ɤɨɧɟɱɧɨɣ ɬɨɱɤɢ. ɋɥɟɞɭɟɬ ɩɨɦɧɢɬɶ, ɱɬɨ ɨɩɢɫɚɬɟɥɶ ɢɧɬɟɪɮɟɣɫɚ ɧɟɥɶɡɹ
ɩɨɥɭɱɢɬɶ ɧɟɩɨɫɪɟɞɫɬɜɟɧɧɨ ɡɚɩɪɨɫɨɦ GET_DESCRIPTOR, ɚ ɬɨɥɶɤɨ ɱɟɪɟɡ ɨɩɢɫɚɬɟɥɶ ɤɨɧɮɢɝɭɪɚɰɢɢ. Ɏɨɪɦɚɬ ɨɩɢɫɚɬɟɥɹ ɢɧɬɟɪɮɟɣɫɚ ɩɪɟɞɫɬɚɜɥɟɧ ɜ ɬɚɛɥɢɰɟ 3.38.
129
b
ɪ
ɞ
Ɏɨɪɦɚɬ ɨɩɢɫɚɬɟɥɹ ɢɧɬɟɪɮɟɣɫɚ
ɋɦɟɳɟɧɢɟ
00h 1 bLength
Ɋɚɡɦɟɪ,
ɛɚɣɬ
ɇɚɢɦɟɧɨɜɚɧɢɟ Ɉɩɢɫɚɧɢɟ
Ɋɚɡɦɟɪ ɫɬɪɭɤɬɭɪɵ ɨɩɢɫɚɬɟɥɹ
ɜ ɛɚɣɬɚɯ
01h 1 bDescriptorType Ɍɢɩ ɨɩɢɫɚɬɟɥɹ
ɇɨɦɟɪ ɢɧɬɟɪɮɟɣɫɚ ɜ ɩɪɟɞɟɥɚɯ
02h 1 bInterfaceNumber
ɤɨɧɮɢɝɭɪɚɰɢɢ. ɇɭɦɟɪɚɰɢɹ
ɧɚɱɢɧɚɟɬɫɹ ɫ 0
Ⱦɨɩɨɥɧɢɬɟɥɶɧɵɟ ɧɚɫɬɪɨɣɤɢ
03h 1 bAlternate S etting
ɞɥɹ ɢɧɬɟɪɮɟɣɫɚ, ɧɨɦɟɪ
ɤɨɬɨɪɨɝɨ ɡɚɞɚɧ ɜ ɩɨɥɟ
InterfaceNumber
Ʉɨɥɢɱɟɫɬɜɨ ɩɨɞɞɟɪɠɢɜɚɟɦɵɯ
ɢɧɬɟɪɮɟɣɫɨɦ ɤɨɧɟɱɧɵɯ ɬɨɱɟɤ,
04h 1 bNumEndpoints
ɢɫɤɥɸɱɚɹ ɧɭɥɟɜɭɸ. ɉɪɢ
ɢɫɩɨɥɶɡɨɜɚɧɢɢ ɢɧɬɟɪɮɟɣɫɚ
ɧɭɥɟɜɨɣ ɤɨɧɟɱɧɨɣ ɬɨɱɤɢ
ɡɧɚɱɟɧɢɟ ɷɬɨɝɨ ɩɨɥɹ ɪɚɜɧɨ 0
Ʉɨɞ ɤɥɚɫɫɚ ɢɧɬɟɪɮɟɣɫɚ.
05h 1 bInterfaceClass
Ɂɧɚɱɟɧɢɟ FFh ɨɩɪɟɞɟɥɹɟɬ
ɤɨɞ ɤɥɚɫɫɚ, ɡɚɞɚɧɧɵɣ
ɩ
ɨɢɡɜɨɞɢɬɟɥɟɦ ɭɫɬɪɨɣɫɬɜɚ
Ʉɨɞ ɩɨɞɤɥɚɫɫɚ ɢɧɬɟɪɮɟɣɫɚ.
06h 1 bInterfaceSubClass
ȿɫɥɢ ɡɧɚɱɟɧɢɟ ɤɨɞɚ ɤɥɚɫɫɚ
ɪɚɜɧɨ 0, ɬɨ ɜ ɞɚɧɧɨɦ ɩɨɥɟ
ɬɚɤɠɟ
ɨɥɠɟɧ ɛɵɬɶ 0
Ʉɨɞ ɩɪɨɬɨɤɨɥɚ. Ɂɚɜɢɫɢɬ ɨɬ
ɤɨɞɨɜ ɤɥɚɫɫɚ ɢ ɩɨɞɤɥɚɫɫɚ
ɢɧɬɟɪɮɟɣɫɚ. Ɂɧɚɱɟɧɢɟ 0
ɢɧɮɨɪɦɢɪɭɟɬ ɨ ɬɨɦ, ɱɬɨ
07h 1 bInterfaceProtocol
ɢɧɬɟɪɮɟɣɫ ɧɟ ɩɨɞɞɟɪɠɢɜɚɟɬ
ɩɪɨɬɨɤɨɥ ɞɚɧɧɨɝɨ ɤɥɚɫɫɚ
ɭɫɬɪɨɣɫɬɜɚ, ɚ ɡɧɚɱɟɧɢɟ FFh
ɨɩɪɟɞɟɥɹɟɬ ɪɚɛɨɬɭ ɢɧɬɟɪɮɟɣɫɚ
ɩɨ ɩɪɨɬɨɤɨɥɭ, ɡɚɞɚɧɧɨɦɭ
ɩɪɨɢɡɜɨɞɢɬɟɥɟɦ
08h 1 iInterface
ɂɧɞɟɤɫ ɫɦɟɳɟɧɢɹ ɞɥɹ ɫɬɪɨɤɨ-
ɜɨɝɨ ɨɩɢɫɚɧɢɹ ɢɧɬɟɪɮɟɣɫɚ
130
Ɍ ɚ ɛ ɥ ɢ ɰ ɚ 3.38
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