linux 使用USB转LPT并口连接打印机后无法打印

welldo525

dmsg消息如下，麻烦大神解救啊，我用的是post 58热敏纸打印机

usb 1-1.2: Product: CDROM+USB Printer
[ 3100.824797] usb 1-1.2: Manufacturer: USB printing Suppor
[ 3100.824814] usb 1-1.2: SerialNumber: 1234567890ABC
[ 3100.833168] usb-storage 1-1.2:1.0: USB Mass Storage device detected
[ 3100.841875] scsi host1: usb-storage 1-1.2:1.0
[ 3100.844761] usblp 1-1.2:1.1: usblp0: USB Bidirectional printer dev 10 if 1 alt 0 proto 2 vid 0x0416 pid 0x5011
[ 3162.381701] usblp0: removed



[ 3162.461234] usb 1-1.2: reset full-speed USB device number 10 using dwc_otg
[ 3162.541300] usb 1-1.2: device descriptor read/64, error -32
[ 3162.731221] usb 1-1.2: device descriptor read/64, error -32
[ 3162.921291] usb 1-1.2: reset full-speed USB device number 10 using dwc_otg
[ 3163.001216] usb 1-1.2: device descriptor read/64, error -32
[ 3163.191290] usb 1-1.2: device descriptor read/64, error -32
[ 3163.381227] usb 1-1.2: reset full-speed USB device number 10 using dwc_otg
[ 3163.801052] usb 1-1.2: device not accepting address 10, error -32
[ 3163.881225] usb 1-1.2: reset full-speed USB device number 10 using dwc_otg
[ 3164.301055] usb 1-1.2: device not accepting address 10, error -32
[ 3164.301655] usblp: can't set desired altsetting 0 on interface 1
[ 3164.303399] usb 1-1.2: USB disconnect, device number 10
[ 3164.421392] usb 1-1.2: new full-speed USB device number 11 using dwc_otg
[ 3164.501265] usb 1-1.2: device descriptor read/64, error -32
[ 3164.691225] usb 1-1.2: device descriptor read/64, error -32
[ 3164.881228] usb 1-1.2: new full-speed USB device number 12 using dwc_otg
[ 3164.961234] usb 1-1.2: device descriptor read/64, error -32
[ 3165.151286] usb 1-1.2: device descriptor read/64, error -32
[ 3165.341239] usb 1-1.2: new full-speed USB device number 13 using dwc_otg
[ 3165.761107] usb 1-1.2: device not accepting address 13, error -32
[ 3165.841239] usb 1-1.2: new full-speed USB device number 14 using dwc_otg
[ 3166.261095] usb 1-1.2: device not accepting address 14, error -32
[ 3166.261379] usb 1-1-port2: unable to enumerate USB device

welldo525

root@raspberrypi:/home/pi# cat /proc/devices
Character devices:
  1 mem
  4 /dev/vc/0
  4 tty
  5 /dev/tty
  5 /dev/console
  5 /dev/ptmx
  5 ttyprintk
  7 vcs
10 misc
13 input
14 sound
21 sg
29 fb
100 vcio
116 alsa
128 ptm
136 pts
153 spi
162 raw
180 usb
189 usb_device
204 ttyAMA
247 uio
248 vcsm
249 hidraw
250 vchiq
251 vc-cma
252 bsg
253 vc-mem
254 rtc

Block devices:
  1 ramdisk
259 blkext
  7 loop
  8 sd
11 sr
65 sd
66 sd
67 sd
68 sd
69 sd
70 sd
71 sd
128 sd
129 sd
130 sd
131 sd
132 sd
133 sd
134 sd
135 sd
179 mmc