CFGSYS: Configure Satellite System
Applicable to: UC6580, UM620 series, UM621 series, UM670A, UM680A, UM681A
Read Satellite System Configuration
| Syntax | $CFGSYS |
|---|---|
| Example | $CFGSYS |
| Description | Read the current satellite system configuration. The receiver outputs the CFGSYS message after receiving the command. |
| Input/Output | Input |
| No parameter |
Set/Output Satellite System Configuration
| Syntax | $CFGSYS,sysMask | |
|---|---|---|
| Example | $CFGSYS,h55155 | |
| Description | Set or output satellite system and frequency configuration. The receiver resets automatically after receiving the command, and the enabled frequencies take effect after the reset. |
|
| Input/Output | Input/output | |
| Parameter Definition | ||
| Parameter | Format | Description |
| sysMask | UINT | Enabled frequency; set the corresponding bit to 1 to enable it: bit0 - GPS L1CA bit1 - GPS L2* bit2 - GPS L5 bit3 - GPS L1C (reserved) bit4 - BDS B1I bit5 - BDS B2b (reserved) bit6 - BDS B2a bit7 - BDS B1C (reserved) bit8 - GLONASS L1 bit9 - GLONASS L2 (reserved) bit10:11 - Reserved bit12 - GALILEO E1 bit13 - GALILEO E5b (reserved) bit14 - GALILEO E5a bit15 - Reserved bit16: - QZSS L1CA bit17 - QZSS L2 (reserved) bit18 - QZSS L5 bit19 - reserved bit20 - SBAS bit21 to bit23 - reserved bit24 - NavIC L5 SPS (reserved) bit25 to bit31 - reserved |
The reserved bit is specified to constant 0.
QZSS and SBAS can only be enabled when GPS is enabled; each constellation must be enabled or disabled at the same time when configuring L5.
*. Supported by the specific firmware. ↩