Copyright
©
2020, REYAX TECHNOLOGY CO., LTD.
17
RYS8830 RYS8833
`GNSS Module Software Guide
28.
Positioning algorithm setting
Syntax
Response
@GUSE <arg 1>
[
GUSE
] Done
This command is used to select the GNSS positioning algorithm for the special use case.
In normal use case, select the default algorithm by setting “0x00” for the argument. When
the special algorithm should be used, set the appropriate bits.
This command must be issued at “Idle” mode.
Argument:
Field
Description
arg 1
GNSS positioning algorithm are set on a bit by bit basis (0: not used, 1:
used).
bit 0 : Special algorithm for swinging the receiver by the hand.
bit 1 : reserved (always specify ”0” for
this)
bit 2 : reserved (always specify ”0” for
this)
bit 3 : reserved (always specify ”0” for this)
bit 4 : reserved (always specify ”0” for this)
bit 5 : reserved (always specify ”0” for this)
bit 6 : reserved (always specify ”0” for this)
bit 7 : reserved (always specify ”0” for
this)
(Default value: 0x01)
29.
GLONASS almanac data acquisition
Syntax
Response
@ LALG
[
LALG
] Done
This command is used to acquire the GLONASS almanac data received by RYS8830. When
the command is received, the RYS8830 transmits the GLONASS almanac data (binary data)
to the host controller.
The GLONASS almanac data size is 576 bytes. In addition, the data which is actually
transferred has the header and footer added.
This command must be issued at “Idle” mode.
Argument: None
