Ubuntu 10.10中Usb轉串口的使用方法

首先，Ubuntu 10.10安裝minicom：sudo apt-get install minicom
在安裝好minicom之後對minicom進行配置，在此，需要注意的一點是在Linux環境下不許要裝Usb轉串口的驅動，在此，使用lsmod命令
                        linuxidc.com@ubuntu:~$ lsmod
                        Module                  Size  Used by
                        pl2303                 13696  0
                        usbserial              39507  1 pl2303
                        binfmt_misc             7984  1
可見，linux可以自動識別2303設備
之後在終端中輸入dmesg | grep usb命令
                       linuxidc.com@ubuntu:~$ dmesg | grep usb
                       [    0.497563] usbcore: registered new interface driver usbfs
                       [    0.497574] usbcore: registered new interface driver hub
                       [    0.497601] usbcore: registered new device driver usb
                       [    1.001716] usb 2-3: new high speed USB device using ehci_hcd and address 2
                       [   18.178144] input: USB 2.0 Camera as /devices/pci0000:00/0000:00:1d.7/usb2/2-3/2-3:1.0/input/input5
                       [   18.178198] usbcore: registered new interface driver uvcvideo
                       [   64.090038] usb 6-1: new full speed USB device using uhci_hcd and address 2
                       [   64.328761] usbcore: registered new interface driver usbserial
                       [   64.328807] usbcore: registered new interface driver usbserial_generic
                       [   64.328810] usbserial: USB Serial Driver core
                       [   64.362942] usb 6-1: pl2303 converter now attached to ttyUSB0
                       [   64.362970] usbcore: registered new interface driver pl2303
注意上面加紅的地方，他指明了設備號為：ttyUSB0
之後，就可以進行mimicom的配置了

在終端中輸入：minicom -s,選擇
            +-----[configuration]------+
            | Filenames and paths      |
            | File transfer protocols  |
            | Serial port setup        |
            | Modem and dialing        |
            | Screen and keyboard      |
            | Save setup as dfl        |
            | Save setup as..          |
            | Exit                     |
            | Exit from Minicom        |
            +--------------------------+
配置成如下方式：
    +-----------------------------------------------------------------------+
    | A -    Serial Device      : /dev/ttyUSB0                              |
    | B - Lockfile Location     : /var/lock                                 |
    | C -   Callin Program      :                                           |
    | D -  Callout Program      :                                           |
    | E -    Bps/Par/Bits       : 115200 8N1                                |
    | F - Hardware Flow Control : No                                        |
    | G - Software Flow Control : No                                        |
    |                                                                       |
    |    Change which setting?                                              |
    +--------------------------------------------------------------------
完成後退出，退出後進入   Modem and dialing 配置成如下方式：
（原因：我們使用的是串口，而不Modem）
 +--------------------[Modem and dialing parameter setup]---------------------+
 |                                                                            |
 | A - Init string .........                                                  |
 | B - Reset string ........                                                  |
 | C - Dialing prefix #1.... ATDT                                             |
 | D - Dialing suffix #1.... ^M                                               |
 | E - Dialing prefix #2.... ATDP                                             |
 | F - Dialing suffix #2.... ^M                                               |
 | G - Dialing prefix #3.... ATX1DT                                           |
 | H - Dialing suffix #3.... ;X4D^M                                           |
 | I - Connect string ...... CONNECT                                          |
 | J - No connect strings .. NO CARRIER            BUSY                       |
 |                           NO DIALTONE           VOICE                      |
 | K - Hang-up string ......                                                  |
 | L - Dial cancel string .. ^M                                               |
 |                                                                            |
 | M - Dial time ........... 45      Q - Auto bps detect ..... No             |
 | N - Delay before redial . 2       R - Modem has DCD line .. Yes            |
 | O - Number of tries ..... 10      S - Status line shows ... DTE speed      |
 | P - DTR drop time (0=no). 1       T - Multi-line untag .... No             |
 |                                                                            |
 | Change which setting?       (Return or Esc to exit)                        |
 +----------------------------------------------------------------------------+
配置完成後推出，在退出時一定要選擇Save setup as dfl 
到此，Minicom的配置完成，連上串口線，打開開發板電源即可看到串口輸出的打印信息