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pi4 lsusb -v rtl_test error usb_claim_interface error -6

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Jul 29th, 2019
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  1. $ sudo lsusb -v
  2.  
  3. Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  4. Device Descriptor:
  5. bLength 18
  6. bDescriptorType 1
  7. bcdUSB 2.00
  8. bDeviceClass 9 Hub
  9. bDeviceSubClass 0
  10. bDeviceProtocol 1 Single TT
  11. bMaxPacketSize0 64
  12. idVendor 0x1d6b Linux Foundation
  13. idProduct 0x0002 2.0 root hub
  14. bcdDevice 4.19
  15. iManufacturer 3 Linux 4.19.60-v7l+ dwc_otg_hcd
  16. iProduct 2 DWC OTG Controller
  17. iSerial 1 fe980000.usb
  18. bNumConfigurations 1
  19. Configuration Descriptor:
  20. bLength 9
  21. bDescriptorType 2
  22. wTotalLength 0x0019
  23. bNumInterfaces 1
  24. bConfigurationValue 1
  25. iConfiguration 0
  26. bmAttributes 0xe0
  27. Self Powered
  28. Remote Wakeup
  29. MaxPower 0mA
  30. Interface Descriptor:
  31. bLength 9
  32. bDescriptorType 4
  33. bInterfaceNumber 0
  34. bAlternateSetting 0
  35. bNumEndpoints 1
  36. bInterfaceClass 9 Hub
  37. bInterfaceSubClass 0
  38. bInterfaceProtocol 0 Full speed (or root) hub
  39. iInterface 0
  40. Endpoint Descriptor:
  41. bLength 7
  42. bDescriptorType 5
  43. bEndpointAddress 0x81 EP 1 IN
  44. bmAttributes 3
  45. Transfer Type Interrupt
  46. Synch Type None
  47. Usage Type Data
  48. wMaxPacketSize 0x0004 1x 4 bytes
  49. bInterval 12
  50. Hub Descriptor:
  51. bLength 9
  52. bDescriptorType 41
  53. nNbrPorts 1
  54. wHubCharacteristic 0x0008
  55. Ganged power switching
  56. Per-port overcurrent protection
  57. TT think time 8 FS bits
  58. bPwrOn2PwrGood 1 * 2 milli seconds
  59. bHubContrCurrent 0 milli Ampere
  60. DeviceRemovable 0x00
  61. PortPwrCtrlMask 0xff
  62. Hub Port Status:
  63. Port 1: 0000.0000
  64. can't get device qualifier: Resource temporarily unavailable
  65. can't get debug descriptor: Resource temporarily unavailable
  66. Device Status: 0x0001
  67. Self Powered
  68.  
  69. Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
  70. Device Descriptor:
  71. bLength 18
  72. bDescriptorType 1
  73. bcdUSB 3.00
  74. bDeviceClass 9 Hub
  75. bDeviceSubClass 0
  76. bDeviceProtocol 3
  77. bMaxPacketSize0 9
  78. idVendor 0x1d6b Linux Foundation
  79. idProduct 0x0003 3.0 root hub
  80. bcdDevice 4.19
  81. iManufacturer 3 Linux 4.19.60-v7l+ xhci-hcd
  82. iProduct 2 xHCI Host Controller
  83. iSerial 1 0000:01:00.0
  84. bNumConfigurations 1
  85. Configuration Descriptor:
  86. bLength 9
  87. bDescriptorType 2
  88. wTotalLength 0x001f
  89. bNumInterfaces 1
  90. bConfigurationValue 1
  91. iConfiguration 0
  92. bmAttributes 0xe0
  93. Self Powered
  94. Remote Wakeup
  95. MaxPower 0mA
  96. Interface Descriptor:
  97. bLength 9
  98. bDescriptorType 4
  99. bInterfaceNumber 0
  100. bAlternateSetting 0
  101. bNumEndpoints 1
  102. bInterfaceClass 9 Hub
  103. bInterfaceSubClass 0
  104. bInterfaceProtocol 0 Full speed (or root) hub
  105. iInterface 0
  106. Endpoint Descriptor:
  107. bLength 7
  108. bDescriptorType 5
  109. bEndpointAddress 0x81 EP 1 IN
  110. bmAttributes 3
  111. Transfer Type Interrupt
  112. Synch Type None
  113. Usage Type Data
  114. wMaxPacketSize 0x0004 1x 4 bytes
  115. bInterval 12
  116. bMaxBurst 0
  117. Hub Descriptor:
  118. bLength 12
  119. bDescriptorType 42
  120. nNbrPorts 4
  121. wHubCharacteristic 0x0009
  122. Per-port power switching
  123. Per-port overcurrent protection
  124. bPwrOn2PwrGood 10 * 2 milli seconds
  125. bHubContrCurrent 0 milli Ampere
  126. bHubDecLat 0.0 micro seconds
  127. wHubDelay 0 nano seconds
  128. DeviceRemovable 0x00
  129. Hub Port Status:
  130. Port 1: 0000.02a0 5Gbps power Rx.Detect
  131. Port 2: 0000.02a0 5Gbps power Rx.Detect
  132. Port 3: 0000.02a0 5Gbps power Rx.Detect
  133. Port 4: 0000.02a0 5Gbps power Rx.Detect
  134. Binary Object Store Descriptor:
  135. bLength 5
  136. bDescriptorType 15
  137. wTotalLength 0x000f
  138. bNumDeviceCaps 1
  139. SuperSpeed USB Device Capability:
  140. bLength 10
  141. bDescriptorType 16
  142. bDevCapabilityType 3
  143. bmAttributes 0x02
  144. Latency Tolerance Messages (LTM) Supported
  145. wSpeedsSupported 0x0008
  146. Device can operate at SuperSpeed (5Gbps)
  147. bFunctionalitySupport 3
  148. Lowest fully-functional device speed is SuperSpeed (5Gbps)
  149. bU1DevExitLat 4 micro seconds
  150. bU2DevExitLat 231 micro seconds
  151. can't get debug descriptor: Resource temporarily unavailable
  152. Device Status: 0x0001
  153. Self Powered
  154.  
  155. Bus 001 Device 004: ID 0bda:2838 Realtek Semiconductor Corp. RTL2838 DVB-T
  156. Device Descriptor:
  157. bLength 18
  158. bDescriptorType 1
  159. bcdUSB 2.00
  160. bDeviceClass 0
  161. bDeviceSubClass 0
  162. bDeviceProtocol 0
  163. bMaxPacketSize0 64
  164. idVendor 0x0bda Realtek Semiconductor Corp.
  165. idProduct 0x2838 RTL2838 DVB-T
  166. bcdDevice 1.00
  167. iManufacturer 1 Realtek
  168. iProduct 2 RTL2838UHIDIR
  169. iSerial 3 00000001
  170. bNumConfigurations 1
  171. Configuration Descriptor:
  172. bLength 9
  173. bDescriptorType 2
  174. wTotalLength 0x0022
  175. bNumInterfaces 2
  176. bConfigurationValue 1
  177. iConfiguration 4 USB2.0-Bulk&Iso
  178. bmAttributes 0x80
  179. (Bus Powered)
  180. MaxPower 500mA
  181. Interface Descriptor:
  182. bLength 9
  183. bDescriptorType 4
  184. bInterfaceNumber 0
  185. bAlternateSetting 0
  186. bNumEndpoints 1
  187. bInterfaceClass 255 Vendor Specific Class
  188. bInterfaceSubClass 255 Vendor Specific Subclass
  189. bInterfaceProtocol 255 Vendor Specific Protocol
  190. iInterface 5 Bulk-In, Interface
  191. Endpoint Descriptor:
  192. bLength 7
  193. bDescriptorType 5
  194. bEndpointAddress 0x81 EP 1 IN
  195. bmAttributes 2
  196. Transfer Type Bulk
  197. Synch Type None
  198. Usage Type Data
  199. wMaxPacketSize 0x0200 1x 512 bytes
  200. bInterval 0
  201. Interface Descriptor:
  202. bLength 9
  203. bDescriptorType 4
  204. bInterfaceNumber 1
  205. bAlternateSetting 0
  206. bNumEndpoints 0
  207. bInterfaceClass 255 Vendor Specific Class
  208. bInterfaceSubClass 255 Vendor Specific Subclass
  209. bInterfaceProtocol 255 Vendor Specific Protocol
  210. iInterface 5 Bulk-In, Interface
  211. Device Qualifier (for other device speed):
  212. bLength 10
  213. bDescriptorType 6
  214. bcdUSB 2.00
  215. bDeviceClass 0
  216. bDeviceSubClass 0
  217. bDeviceProtocol 0
  218. bMaxPacketSize0 64
  219. bNumConfigurations 2
  220. can't get debug descriptor: Resource temporarily unavailable
  221. Device Status: 0x0000
  222. (Bus Powered)
  223.  
  224. Bus 001 Device 007: ID 0d62:a100 Darfon Electronics Corp. Optical Mouse
  225. Device Descriptor:
  226. bLength 18
  227. bDescriptorType 1
  228. bcdUSB 1.10
  229. bDeviceClass 0
  230. bDeviceSubClass 0
  231. bDeviceProtocol 0
  232. bMaxPacketSize0 8
  233. idVendor 0x0d62 Darfon Electronics Corp.
  234. idProduct 0xa100 Optical Mouse
  235. bcdDevice 1.00
  236. iManufacturer 1 Darfon
  237. iProduct 2 USB Mouse
  238. iSerial 0
  239. bNumConfigurations 1
  240. Configuration Descriptor:
  241. bLength 9
  242. bDescriptorType 2
  243. wTotalLength 0x0022
  244. bNumInterfaces 1
  245. bConfigurationValue 1
  246. iConfiguration 4 HID-Compliant Mouse
  247. bmAttributes 0xa0
  248. (Bus Powered)
  249. Remote Wakeup
  250. MaxPower 100mA
  251. Interface Descriptor:
  252. bLength 9
  253. bDescriptorType 4
  254. bInterfaceNumber 0
  255. bAlternateSetting 0
  256. bNumEndpoints 1
  257. bInterfaceClass 3 Human Interface Device
  258. bInterfaceSubClass 1 Boot Interface Subclass
  259. bInterfaceProtocol 2 Mouse
  260. iInterface 0
  261. HID Device Descriptor:
  262. bLength 9
  263. bDescriptorType 33
  264. bcdHID 1.10
  265. bCountryCode 0 Not supported
  266. bNumDescriptors 1
  267. bDescriptorType 34 Report
  268. wDescriptorLength 72
  269. Report Descriptors:
  270. ** UNAVAILABLE **
  271. Endpoint Descriptor:
  272. bLength 7
  273. bDescriptorType 5
  274. bEndpointAddress 0x81 EP 1 IN
  275. bmAttributes 3
  276. Transfer Type Interrupt
  277. Synch Type None
  278. Usage Type Data
  279. wMaxPacketSize 0x0004 1x 4 bytes
  280. bInterval 10
  281. Device Status: 0x0002
  282. (Bus Powered)
  283. Remote Wakeup Enabled
  284.  
  285. Bus 001 Device 006: ID 060b:0541 Solid Year
  286. Device Descriptor:
  287. bLength 18
  288. bDescriptorType 1
  289. bcdUSB 1.10
  290. bDeviceClass 0
  291. bDeviceSubClass 0
  292. bDeviceProtocol 0
  293. bMaxPacketSize0 8
  294. idVendor 0x060b Solid Year
  295. idProduct 0x0541
  296. bcdDevice 1.05
  297. iManufacturer 0
  298. iProduct 1 USB Keyboard
  299. iSerial 0
  300. bNumConfigurations 1
  301. Configuration Descriptor:
  302. bLength 9
  303. bDescriptorType 2
  304. wTotalLength 0x003b
  305. bNumInterfaces 2
  306. bConfigurationValue 1
  307. iConfiguration 0
  308. bmAttributes 0xa0
  309. (Bus Powered)
  310. Remote Wakeup
  311. MaxPower 100mA
  312. Interface Descriptor:
  313. bLength 9
  314. bDescriptorType 4
  315. bInterfaceNumber 0
  316. bAlternateSetting 0
  317. bNumEndpoints 1
  318. bInterfaceClass 3 Human Interface Device
  319. bInterfaceSubClass 1 Boot Interface Subclass
  320. bInterfaceProtocol 1 Keyboard
  321. iInterface 0
  322. HID Device Descriptor:
  323. bLength 9
  324. bDescriptorType 33
  325. bcdHID 1.10
  326. bCountryCode 0 Not supported
  327. bNumDescriptors 1
  328. bDescriptorType 34 Report
  329. wDescriptorLength 54
  330. Report Descriptors:
  331. ** UNAVAILABLE **
  332. Endpoint Descriptor:
  333. bLength 7
  334. bDescriptorType 5
  335. bEndpointAddress 0x81 EP 1 IN
  336. bmAttributes 3
  337. Transfer Type Interrupt
  338. Synch Type None
  339. Usage Type Data
  340. wMaxPacketSize 0x0008 1x 8 bytes
  341. bInterval 10
  342. Interface Descriptor:
  343. bLength 9
  344. bDescriptorType 4
  345. bInterfaceNumber 1
  346. bAlternateSetting 0
  347. bNumEndpoints 1
  348. bInterfaceClass 3 Human Interface Device
  349. bInterfaceSubClass 0
  350. bInterfaceProtocol 0
  351. iInterface 0
  352. HID Device Descriptor:
  353. bLength 9
  354. bDescriptorType 33
  355. bcdHID 1.10
  356. bCountryCode 0 Not supported
  357. bNumDescriptors 1
  358. bDescriptorType 34 Report
  359. wDescriptorLength 179
  360. Report Descriptors:
  361. ** UNAVAILABLE **
  362. Endpoint Descriptor:
  363. bLength 7
  364. bDescriptorType 5
  365. bEndpointAddress 0x82 EP 2 IN
  366. bmAttributes 3
  367. Transfer Type Interrupt
  368. Synch Type None
  369. Usage Type Data
  370. wMaxPacketSize 0x0005 1x 5 bytes
  371. bInterval 10
  372. can't get debug descriptor: Resource temporarily unavailable
  373. Device Status: 0x0000
  374. (Bus Powered)
  375.  
  376. Bus 001 Device 005: ID 0603:0002 Novatek Microelectronics Corp.
  377. Device Descriptor:
  378. bLength 18
  379. bDescriptorType 1
  380. bcdUSB 1.10
  381. bDeviceClass 0
  382. bDeviceSubClass 0
  383. bDeviceProtocol 0
  384. bMaxPacketSize0 8
  385. idVendor 0x0603 Novatek Microelectronics Corp.
  386. idProduct 0x0002
  387. bcdDevice 2.21
  388. iManufacturer 1 SINO WEALTH
  389. iProduct 2 USB Composite Device
  390. iSerial 0
  391. bNumConfigurations 1
  392. Configuration Descriptor:
  393. bLength 9
  394. bDescriptorType 2
  395. wTotalLength 0x003b
  396. bNumInterfaces 2
  397. bConfigurationValue 1
  398. iConfiguration 0
  399. bmAttributes 0xa0
  400. (Bus Powered)
  401. Remote Wakeup
  402. MaxPower 100mA
  403. Interface Descriptor:
  404. bLength 9
  405. bDescriptorType 4
  406. bInterfaceNumber 0
  407. bAlternateSetting 0
  408. bNumEndpoints 1
  409. bInterfaceClass 3 Human Interface Device
  410. bInterfaceSubClass 1 Boot Interface Subclass
  411. bInterfaceProtocol 1 Keyboard
  412. iInterface 0
  413. HID Device Descriptor:
  414. bLength 9
  415. bDescriptorType 33
  416. bcdHID 1.10
  417. bCountryCode 0 Not supported
  418. bNumDescriptors 1
  419. bDescriptorType 34 Report
  420. wDescriptorLength 65
  421. Report Descriptors:
  422. ** UNAVAILABLE **
  423. Endpoint Descriptor:
  424. bLength 7
  425. bDescriptorType 5
  426. bEndpointAddress 0x81 EP 1 IN
  427. bmAttributes 3
  428. Transfer Type Interrupt
  429. Synch Type None
  430. Usage Type Data
  431. wMaxPacketSize 0x0008 1x 8 bytes
  432. bInterval 10
  433. Interface Descriptor:
  434. bLength 9
  435. bDescriptorType 4
  436. bInterfaceNumber 1
  437. bAlternateSetting 0
  438. bNumEndpoints 1
  439. bInterfaceClass 3 Human Interface Device
  440. bInterfaceSubClass 1 Boot Interface Subclass
  441. bInterfaceProtocol 2 Mouse
  442. iInterface 0
  443. HID Device Descriptor:
  444. bLength 9
  445. bDescriptorType 33
  446. bcdHID 1.10
  447. bCountryCode 0 Not supported
  448. bNumDescriptors 1
  449. bDescriptorType 34 Report
  450. wDescriptorLength 146
  451. Report Descriptors:
  452. ** UNAVAILABLE **
  453. Endpoint Descriptor:
  454. bLength 7
  455. bDescriptorType 5
  456. bEndpointAddress 0x82 EP 2 IN
  457. bmAttributes 3
  458. Transfer Type Interrupt
  459. Synch Type None
  460. Usage Type Data
  461. wMaxPacketSize 0x0008 1x 8 bytes
  462. bInterval 10
  463. can't get debug descriptor: Resource temporarily unavailable
  464. Device Status: 0x0000
  465. (Bus Powered)
  466.  
  467. Bus 001 Device 003: ID 05e3:0604 Genesys Logic, Inc. USB 1.1 Hub
  468. Device Descriptor:
  469. bLength 18
  470. bDescriptorType 1
  471. bcdUSB 1.10
  472. bDeviceClass 9 Hub
  473. bDeviceSubClass 0
  474. bDeviceProtocol 0 Full speed (or root) hub
  475. bMaxPacketSize0 8
  476. idVendor 0x05e3 Genesys Logic, Inc.
  477. idProduct 0x0604 USB 1.1 Hub
  478. bcdDevice 3.04
  479. iManufacturer 0
  480. iProduct 1 USB Hub
  481. iSerial 0
  482. bNumConfigurations 1
  483. Configuration Descriptor:
  484. bLength 9
  485. bDescriptorType 2
  486. wTotalLength 0x0019
  487. bNumInterfaces 1
  488. bConfigurationValue 1
  489. iConfiguration 0
  490. bmAttributes 0xe0
  491. Self Powered
  492. Remote Wakeup
  493. MaxPower 100mA
  494. Interface Descriptor:
  495. bLength 9
  496. bDescriptorType 4
  497. bInterfaceNumber 0
  498. bAlternateSetting 0
  499. bNumEndpoints 1
  500. bInterfaceClass 9 Hub
  501. bInterfaceSubClass 0
  502. bInterfaceProtocol 0 Full speed (or root) hub
  503. iInterface 0
  504. Endpoint Descriptor:
  505. bLength 7
  506. bDescriptorType 5
  507. bEndpointAddress 0x81 EP 1 IN
  508. bmAttributes 3
  509. Transfer Type Interrupt
  510. Synch Type None
  511. Usage Type Data
  512. wMaxPacketSize 0x0001 1x 1 bytes
  513. bInterval 255
  514. Hub Descriptor:
  515. bLength 9
  516. bDescriptorType 41
  517. nNbrPorts 4
  518. wHubCharacteristic 0x0009
  519. Per-port power switching
  520. Per-port overcurrent protection
  521. bPwrOn2PwrGood 50 * 2 milli seconds
  522. bHubContrCurrent 100 milli Ampere
  523. DeviceRemovable 0x00
  524. PortPwrCtrlMask 0xff
  525. Hub Port Status:
  526. Port 1: 0000.0303 lowspeed power enable connect
  527. Port 2: 0000.0303 lowspeed power enable connect
  528. Port 3: 0000.0303 lowspeed power enable connect
  529. Port 4: 0000.0100 power
  530. can't get debug descriptor: Resource temporarily unavailable
  531. Device Status: 0x0003
  532. Self Powered
  533. Remote Wakeup Enabled
  534.  
  535. Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub
  536. Device Descriptor:
  537. bLength 18
  538. bDescriptorType 1
  539. bcdUSB 2.10
  540. bDeviceClass 9 Hub
  541. bDeviceSubClass 0
  542. bDeviceProtocol 1 Single TT
  543. bMaxPacketSize0 64
  544. idVendor 0x2109 VIA Labs, Inc.
  545. idProduct 0x3431 Hub
  546. bcdDevice 4.20
  547. iManufacturer 0
  548. iProduct 1 USB2.0 Hub
  549. iSerial 0
  550. bNumConfigurations 1
  551. Configuration Descriptor:
  552. bLength 9
  553. bDescriptorType 2
  554. wTotalLength 0x0019
  555. bNumInterfaces 1
  556. bConfigurationValue 1
  557. iConfiguration 0
  558. bmAttributes 0xe0
  559. Self Powered
  560. Remote Wakeup
  561. MaxPower 100mA
  562. Interface Descriptor:
  563. bLength 9
  564. bDescriptorType 4
  565. bInterfaceNumber 0
  566. bAlternateSetting 0
  567. bNumEndpoints 1
  568. bInterfaceClass 9 Hub
  569. bInterfaceSubClass 0
  570. bInterfaceProtocol 0 Full speed (or root) hub
  571. iInterface 0
  572. Endpoint Descriptor:
  573. bLength 7
  574. bDescriptorType 5
  575. bEndpointAddress 0x81 EP 1 IN
  576. bmAttributes 3
  577. Transfer Type Interrupt
  578. Synch Type None
  579. Usage Type Data
  580. wMaxPacketSize 0x0001 1x 1 bytes
  581. bInterval 12
  582. Hub Descriptor:
  583. bLength 9
  584. bDescriptorType 41
  585. nNbrPorts 4
  586. wHubCharacteristic 0x00e0
  587. Ganged power switching
  588. Ganged overcurrent protection
  589. TT think time 32 FS bits
  590. Port indicators
  591. bPwrOn2PwrGood 50 * 2 milli seconds
  592. bHubContrCurrent 100 milli Ampere
  593. DeviceRemovable 0x00
  594. PortPwrCtrlMask 0xff
  595. Hub Port Status:
  596. Port 1: 0000.0100 power
  597. Port 2: 0000.0103 power enable connect
  598. Port 3: 0000.0100 power
  599. Port 4: 0000.0503 highspeed power enable connect
  600. Binary Object Store Descriptor:
  601. bLength 5
  602. bDescriptorType 15
  603. wTotalLength 0x002a
  604. bNumDeviceCaps 3
  605. USB 2.0 Extension Device Capability:
  606. bLength 7
  607. bDescriptorType 16
  608. bDevCapabilityType 2
  609. bmAttributes 0x00000002
  610. HIRD Link Power Management (LPM) Supported
  611. SuperSpeed USB Device Capability:
  612. bLength 10
  613. bDescriptorType 16
  614. bDevCapabilityType 3
  615. bmAttributes 0x00
  616. wSpeedsSupported 0x000e
  617. Device can operate at Full Speed (12Mbps)
  618. Device can operate at High Speed (480Mbps)
  619. Device can operate at SuperSpeed (5Gbps)
  620. bFunctionalitySupport 1
  621. Lowest fully-functional device speed is Full Speed (12Mbps)
  622. bU1DevExitLat 4 micro seconds
  623. bU2DevExitLat 231 micro seconds
  624. Container ID Device Capability:
  625. bLength 20
  626. bDescriptorType 16
  627. bDevCapabilityType 4
  628. bReserved 0
  629. ContainerID {30eef35c-07d5-2549-b001-802d79434c30}
  630. can't get debug descriptor: Resource temporarily unavailable
  631. Device Status: 0x0001
  632. Self Powered
  633.  
  634. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  635. Device Descriptor:
  636. bLength 18
  637. bDescriptorType 1
  638. bcdUSB 2.00
  639. bDeviceClass 9 Hub
  640. bDeviceSubClass 0
  641. bDeviceProtocol 1 Single TT
  642. bMaxPacketSize0 64
  643. idVendor 0x1d6b Linux Foundation
  644. idProduct 0x0002 2.0 root hub
  645. bcdDevice 4.19
  646. iManufacturer 3 Linux 4.19.60-v7l+ xhci-hcd
  647. iProduct 2 xHCI Host Controller
  648. iSerial 1 0000:01:00.0
  649. bNumConfigurations 1
  650. Configuration Descriptor:
  651. bLength 9
  652. bDescriptorType 2
  653. wTotalLength 0x0019
  654. bNumInterfaces 1
  655. bConfigurationValue 1
  656. iConfiguration 0
  657. bmAttributes 0xe0
  658. Self Powered
  659. Remote Wakeup
  660. MaxPower 0mA
  661. Interface Descriptor:
  662. bLength 9
  663. bDescriptorType 4
  664. bInterfaceNumber 0
  665. bAlternateSetting 0
  666. bNumEndpoints 1
  667. bInterfaceClass 9 Hub
  668. bInterfaceSubClass 0
  669. bInterfaceProtocol 0 Full speed (or root) hub
  670. iInterface 0
  671. Endpoint Descriptor:
  672. bLength 7
  673. bDescriptorType 5
  674. bEndpointAddress 0x81 EP 1 IN
  675. bmAttributes 3
  676. Transfer Type Interrupt
  677. Synch Type None
  678. Usage Type Data
  679. wMaxPacketSize 0x0004 1x 4 bytes
  680. bInterval 12
  681. Hub Descriptor:
  682. bLength 9
  683. bDescriptorType 41
  684. nNbrPorts 1
  685. wHubCharacteristic 0x0009
  686. Per-port power switching
  687. Per-port overcurrent protection
  688. TT think time 8 FS bits
  689. bPwrOn2PwrGood 10 * 2 milli seconds
  690. bHubContrCurrent 0 milli Ampere
  691. DeviceRemovable 0x02
  692. PortPwrCtrlMask 0xff
  693. Hub Port Status:
  694. Port 1: 0000.0503 highspeed power enable connect
  695. can't get device qualifier: Resource temporarily unavailable
  696. can't get debug descriptor: Resource temporarily unavailable
  697. Device Status: 0x0001
  698. Self Powered
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