问   14.0  CTL    80 06 00 01  00 00 12 00                            GET DESCRIPTOR           1.1.0        
  14.0  LEN    12 00 00 00                                         18                       1.2.0        
  14.0  DI     12 01 10 01  00 00 00 08  f0 03 17 0c  00 01 01 02  ................         1.3.0        
               03 01                                               ..                       1.3.16       
  14.0  CTL    80 06 00 02  00 00 09 01                            GET DESCRIPTOR           2.1.0        
  14.0  LEN    4e 00 00 00                                         78                       2.2.0        
  14.0  DI     09 02 4e 00  01 01 00 c0  01 09 04 00  00 03 07 01  ..N.............         2.3.0        
               03 00 07 05  01 02 40 00  00 07 05 81  02 40 00 00  ......@......@..         2.3.16       
               07 05 82 03  08 00 ff 09  04 00 01 02  07 01 02 00  ................         2.3.32       
               07 05 01 02  40 00 00 07  05 81 02 40  00 00 09 04  ....@......@....         2.3.48       
               00 02 01 07  01 01 00 07  05 01 02 40  00 00        ...........@..           2.3.64       
  14.0  CTL    00 09 01 00  00 00 00 00                            SET CONFIG               3.1.0        
  14.0  CTL    a1 00 00 00  00 00 ff 00                            GET DEVICE ID            4.1.0        
  14.0  LEN    8f 00 00 00                                         143                      4.2.0        
  14.0  DI     00 8f 4d 46  47 3a 48 65  77 6c 65 74  74 2d 50 61  ..MFG:Hewlett-Pa         4.3.0        
               63 6b 61 72  64 3b 43 4d  44 3a 50 4a  4c 2c 4d 4c  ckard;CMD:PJL,ML         4.3.16       
               43 2c 42 49  44 49 2d 45  43 50 2c 44  57 2d 50 43  C,BIDI-ECP,DW-PC         4.3.32       
               4c 3b 4d 44  4c 3a 68 70  20 4c 61 73  65 72 4a 65  L;MDL:hp LaserJe         4.3.48       
               74 20 31 30  31 30 3b 43  4c 53 3a 50  52 49 4e 54  t 1010;CLS:PRINT         4.3.64       
               45 52 3b 44  45 53 3a 48  65 77 6c 65  74 74 2d 50  ER;DES:Hewlett-P         4.3.80       
               61 63 6b 61  72 64 20 4c  61 73 65 72  4a 65 74 20  ackard LaserJet          4.3.96       
               31 30 31 30  3b 4d 45 4d  3a 35 4d 42  3b 43 4f 4d  1010;MEM:5MB;COM         4.3.112      
               4d 45 4e 54  3a 52 45 53  3d 36 30 30  78 31 3b     MENT:RES=600x1;          4.3.128      

以上是USB printer 的描述符，

有谁知道  MFG, CMD, MDL, CLS, DES, MEM and COMMENT 表示什么意思吗？
请不吝赐教， 谢谢
dery.zheng@163.com


答 1: 这那是Printer的问题，明明是你的英语问题MFG = Manufacture
CMD = Command
MDL = .... 忘记了，这是HP的一个用于打印机的描述语言。
  DL = Description Language
CLS = Class (估计是)
DES = Description
MEM = Memory
COMMENT = Comment = 注释，注解