Moxa Technologies 331 Manuel d'utilisateur télécharger pdf (Page 16)

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101

UC-7112-LX Plus Software User’s Manual Getting Started

2-8

Step 3: The SD socket is located on the back of bottom board. Insert the SD memory card as

shown in the figure.

NOTE: To remove the SD card from the slot, press the SD card in slightly with your finger, and

then remove your finger to cause the card to spring out partially. You may now grasp the top of the

card with two fingers and pull it out.

Before removing the SD card, remember to type /sync to ensure that your data has been written.

Test Program—Developing Hello.c

In this section, we use the standard “Hello” programming example to illustrate how to develop a

program for the UC-7112-LX Plus. In general, program development involves the following seven

steps.

Step 1:

Connect the UC-7112-LX Plus to a Linux PC.

Step 2:

Install the Tool Chain (GNU Cross Compiler & glibc).

Step 3:

Set the cross compiler and glibc environment variables.

Step 4:

Code and compile the program.

Step 5:

Download the program to the UC-7112-LX Plus by

FTP or NFS.

Step 6:

Debug the program

Æ If bugs are found, return to Step 4.

Æ If no bugs are found, continue with Step 7.

Step 7:

Back up the user directory (distribute the program to

additional UC-7112-LX Plus units if needed).

68x

Cross

Compiler

P1 P2

Ready

RESET

12-48V

LAN1

RS-232/422/485

Socket Inside

LAN2

UC-7112 Plus

Universal Communicator

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