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UG-196-02-C

196-02-C - DA7322 Audio Codec with DSP

User guide UG-196-02-C

Revision 0.6

15-September-2014

CFR0011-121-00 Rev 1

19 of 21

Appendix A Codec text files

A.1 Information

The software includes the ability to save and load a codec text file containing command codes

representing the register addresses and data. This file is principally used to save and load setup

data, but may also be used to perform a small degree of automation. The text files are saved and

loaded via the buttons, ‘Load>load Codec file..’ and ‘Save> Save Codec file..’. The file format type is

’.TXT’, this can be edited and loaded in any standard text editor software.

The use of the Save\logtest.txt facility permits register contents to be transferred to the user’s own

software. Clicking on Save\logtest.txt allows the user to save a Register dump of the entire device

Example message box

A.2 Codec file commands

The following formats are used for both read and write in the text file.

● Numbers apart from time delays are always expressed in Hex, separated by tabs. The use of ‘0x’

in front of the hex value is optional.

● The first parameter is the device register address in 8bit format. OR

o The first parameter is a token:

o ‘DELAY’ or ‘WAIT’ will implement a time delay specified up to 65535 ms. The delay

time is specified in decimal or hex if preceded by ‘0x’

● The second parameter is the data.

● Comments (that is lines beginning with ‘//’) are permitted in the file.

● Inline comments (that is //comment) are permitted.

● The data will be processed in the order written and written directly to the specified device. The

screen controls will be updated once the commands in the file been processed.

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American Audio COMMANDER PLUS - REV 1-2 Guia do Utilizador Página 19