Shulou(Shulou.com)06/02 Report--

Communication: serial, parallel, COM serial port, 485bus, can bus, single bus

Open turns on device configuration device tcsetatttr, tcgetattrWrite, read write / read data close close

one。 Virtual machine serial port settings:

1. Close Ubuntu

two。 Connect the serial port of 6818 development board

3. Opening: Editing virtual machine settin

4. Click below: add

5. Click: serial port

6. Click: finish

7.OK

8. Turn on Ubuntu

II. Minicom configuration under Linux

1. Installation: sudo apt-get install minicom

Sudo minicomctrl+A-> O-> Serial port setupgec@ubuntu:~$ sudo minicom-s

+-[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

+-+

Serial settin

+-- +

A-Serial Device: / dev/ttyS2

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: NoChange which setting?

+-- +

Enter

Save-> Save setup as dfl

+-[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 | +-+ enter-> Exit from Minicomsudo minicom-> > enter (if the cursor moves down, it is successful, otherwise change to Serial Device: / dev/ttyS2, and add it all the way up.)

Minicom sends files

Enter the minicom terminal: sudo minicom

Welcome to minicom 2.5

OPTIONS: I18n

Compiled on May 2 2011, 00:39:27.

Port / dev/ttyS2

Press CTRL-A Z for help on special keys

[root@GEC6818 /] # AT S70045 S000L1 V1 X4 & C1 E1 Q0

-/ bin/sh: C1: not found

-/ bin/sh: AT: not found [root@GEC6818 /] #

[1] + Done (127) AT S700045 S000L1 V1 X4

[root@GEC6818 /] #

[root@GEC6818 /] #

Root@GEC6818 /] # rx write_serial enter

Press ctrl+a + s after typing

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