215 – Query
The table below contains the values for the following example to read the
configuration and state of all of the GPIO lines:
$PLSC,215*16
MASTER DEVELOPMENT SYSTEM
The SG Series Master Development System provides all of the tools necessary
to evaluate the SG Series GPS receiver module. The system includes a fully
assembled development board, an active antenna, development software, and
Name
MID
Example
$PLSC,215
Units
Message ID
Description
full documentation.
Checksum
<CR> <LF>
*16
End of message termination
Table 3 2: Query Example
The receiver outputs a response to this command. The table below contains the
response for the above command:
Figure 6: The SG Series Master Development System
Name
MID
Count
GPIO Number
Configuration
Current State
GPIO Number
Configuration
Current State
GPIO Number
Configuration
Current State
GPIO Number
Configuration
Current State
GPIO Number
Configuration
Current State
Example
$PLSR,215
5
1
0
0
10
0
1
1 3
0
1
14
0
1
15
0
1
Units
Description
Message ID
Total number of GPIOs
GPIO Number
Direction; 0 = Input; 1 = Output
0 = Low; 1 = High
GPIO Number
Direction; 0 = Input; 1 = Output
0 = Low; 1 = High
GPIO Number
Direction; 0 = Input; 1 = Output
0 = Low; 1 = High
GPIO Number
Direction; 0 = Input; 1 = Output
0 = Low; 1 = High
GPIO Number
Direction; 0 = Input; 1 = Output
0 = Low; 1 = High
The development board includes a power supply, a prototyping area for custom
circuit development, and an OLED display that shows the GPS data without the
need for a computer. A USB interface is also included for use with a PC running
custom software or the included development software.
Figure 7: The SG Series Master Development System Software
The Master Development System software enables configuration of the receiver
Checksum
<CR> <LF>
*00
End of message termination
and displays the satellite data output by the receiver. The software can select
from among all of the supported NMEA protocols for display of the data.
Table 33 : Query Response Example
For some further examples of this command:
n Set GPIO 1 to low
Input command: $PLSC,215*16
Output response: $PLSR,215,5,1,0,0,10,0,1,1 3 ,0,1,14,0,1,15,0,1*00
Page 26
Full documentation for the board and software is included in the development
system, making integration of the module straightforward.
Page 27
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