Globalsat ET-314 GPS Engine Board [20/22] Psrf105 1 3e

ET-314AC

High Performance GPS Engine Board

2010/4/1

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F). Development Data On/Off ID: 105 Switch Development Data Messages On/Off

This command turns development data (debug messages) on and off. Development data can be

used to help diagnose system problems since many parts of the software contain messages that

are output when problems are detected.

Table B-10 contains the input values for the following example:

$PSRF105,1*3E

Table B-10 Development Data On/Off Data Format

Name Example Unit Description

Message ID $PSRF105 PSRF105 protocol header

Debug 1 0=Off, 1=On

Checksum *3E

<CR> <LF> End of message termination

G). Select Datum ID: 106 Selection of datum to be used for coordinate Transformations

This message allows the selection of an alternate map datum. The receiver software may contain

one or more alternate datums in addition to WGS84, the default GPS datum. The table below lists

some datums that may be in a particular software build. In addition, other datums may have been

added by either SiRF or by developers with SDK software access. Avaliable datums, if different

from the list below, should be documented in the system or software documentation.

Table B-11 contains the input values for the following examples:

1. Datum select TOKYO_MEAN

$PSRF106,178*32

Table B-11 Select Datum Data Format

Name Example Unit Description

Message ID $PSRF106 PSRF106 protocol header

Datum 178 21=WGS84

178=TOKYO_MEAN

179=TOKYO_JAPAN

180=TOKYO_KOREA

181=TOKYO_OKINAWA

Checksum *32

<CR> <LF> End of message termination