Command Echo
Applicable to: UC6580, UM620 series, UM621 series, UM670A, UM680A, UM681A
| Syntax | $--TXT,01,01,00,command*cs | |
|---|---|---|
| Example | $GNTXT,01,01,00,PDTINFO*1F | |
| Description | Output the command that input by the user currently | |
| Input/Output | Output | |
| Parameter Definition | ||
| Parameter | Format | Description |
| -- | STR | Positioning system flag GP - GPS standalone positioning GB - BDS standalone positioning GA - Galileo standalone positioning GL - GLONASS standalone positioning GI - NavIC standalone positioning GN - Dual or multiple constellations joint positioning |
| 01 | INT | Total number of sentences |
| 01 | INT | Current sentence number |
| 00 | INT | Message ID |
| Command | STR | Unicore command currently input by users |
| cs | U8 | Checksum; two hexadecimal characters obtained by calculating an XOR of all characters between but not including ‘$' to ‘*' in this message |