Reyax Rss8833 Quick start guide

RYS8830

RSS8833

1-Jan-2020 56312E34

GNSS Module Software Guide

RYS8830 RYS 8833

`GNSS Module Software Guide

GNSS Monitor software

After Install GNSS_MonitorForCustomerSetup.exe, Please open a dialog window by selecting “Setup(S)”-

>“Serial Port(S)”. Then you should put following parameter on the window

Port Number: This depends on your PC system.

Baud rate: 115200

Data: 8bit Stop:

1bit Parity:

None

Flow control: None

Read Timeout(sec): Unlimited

RtsEnable: False

DtrEnable: False

Line feed code

receive：LF

transmit：CR+LF

RYS8830 RYS 8833

`GNSS Module Software Guide

QUICK START GUIDE

Search mode select

A click of Cold/Warm/Hot button in command control area of GNSS monitor will start to fix position. Please move

to Idle mode and assert Cold start in case of changing search mode.

It is possible to input a command directly from a command input window.

Hot start : @GSR

Warm start : @GSW

Cold start : @GCD IDLE

mode : @GSTP

Command input procedure

In the case of use communication terminal software other than a GNSS monitor, positioning operation will be

started if a command is inputted below. It is required to key in “enter” or “\r\n” in the end of all Commands.

Ex.) Baud rate : 115200bps, Normal mode, GPS search mode, Cold Start

@GSTP (Set IDLE Mode)

@CSBR **** (Set UART Baud rate)

9600 : 9,600bps

38400 : 38,400 bps

115200 : 115,200bps

@GSOP 1 1000 0 (Set Operation mode)

@GNS 0x** (Set search mode)

01 : GPS

02 : GLONASS

03 : GPS+GLONASS

@GCD (Cold start)

Please change the operation mode in IDLE mode. And after changing operation mode, please execute Cold start.

Copyright ©2020, REYAXTECHNOLOGY CO.,LTD. 
4
 
 
 
 
RYS8830 RYS 8833 
`GNSS Module Software Guide
 
 
COMMAND 
1. 
Automatic backup data save ON/OFF.....................................................................................................................5 
2. 
Automatic backup data save ON/OFF.....................................................................................................................5 
3. 
Output sentence select................................................................................................................................................6 
4. 
Backup data save...........................................................................................................................................................6 
5. 
Backup data clear ..........................................................................................................................................................7 
6. 
UART0 baud rate setting.............................................................................................................................................7 
7. 
Flash memory erase......................................................................................................................................................7 
8. 
GPS almanac data acquisition....................................................................................................................................8 
9. 
GPS almanac data injection ........................................................................................................................................8 
10. 
Cold start ....................................................................................................................................................................8 
11. 
GPS ephemeris data acquisition...........................................................................................................................8 
12. 
GPS ephemeris data injection...............................................................................................................................9 
13. 
Positioning-use satellite setting ..........................................................................................................................9 
14. 
Receiver position setting (ellipsoidal coordinates) ......................................................................................10 
15. 
Receiver position setting (ellipsoidal coordinates) ......................................................................................10 
16. 
1PPS output setting...............................................................................................................................................11 
17. 
TCXO offset acquisition........................................................................................................................................11 
18. 
Operation mode setting.......................................................................................................................................12 
19. 
Hot start for position accuracy...........................................................................................................................13 
20. 
Hot start for TTFF ...................................................................................................................................................13 
21. 
Positioning stop......................................................................................................................................................13 
22. 
Warm start................................................................................................................................................................13 
23. 
TCXO offset setting................................................................................................................................................14 
24. 
GPS test end ................................................................................................................................................................... 14 
25. 
Time setting .............................................................................................................................................................14 
26. 
GPS test result output...........................................................................................................................................15 
27. 
GPS test start ...........................................................................................................................................................15 

RYS8830 RYS 8833

`GNSS Module Software Guide

28.

Positioning algorithm setting.............................................................................................................................16

29.

GLONASS almanac data acquisition .................................................................................................................16

30.

GLONASS almanac data injection......................................................................................................................17

31.

GLONASS ephemeris data acquisition .............................................................................................................17

32.

GLONASS ephemeris data injection..................................................................................................................17

33.

Sleep...........................................................................................................................................................................18

34.

Firmware revision number acquisition.............................................................................................................18

35.

Wake-up ...................................................................................................................................................................18

NMEA sentence specifications .................................................................... 19

GGA : Global Positioning System Fix Data............................................................................................................19

GLL : Geographic Position –Latitude / Longitude.................................................................................................. 20

GNS: GNSS Fix Data ............................................................................................................................................. 21

GSA: GNSS DOP and Active Satellites....................................................................................................................22

GSV: GNSS Satellites In View....................................................................................................................................23

RMC: Recommended Minimum Specific GNSS Data ........................................................................................24

VTG: Course Over Ground & Ground Speed .......................................................................................................25

ZDA: Time & Date........................................................................................................................................................26

Operation states...........................................................................................27

Operation modes .........................................................................................28

Normal mode .......................................................................................................................................................................28

Low power mode.................................................................................................................................................................30

RYS8830 RYS 8833

`GNSS Module Software Guide

COMMAND

Default: Key in <CR><LF> at the end of all Commands.

Automatic backup data save ON/OFF

Syntax

Response

@ABPT <arg 1>

[ABPT] Done

This command is used to setting the interval of the automatic backup data save function.

The unit is“minute” and the value from 1 to 1,440 min can be set (default value: 60min) .

This command must be issued at Idle state and the automatic backup data save function

disabled.

Please take account to the life of the flash memory when using this function.

Argument:

Field

Description

arg 1

Set the interval of the automatic backup data save. The unit is minute

(default value is 60min) .

Automatic backup data save ON/OFF

Syntax

Response

@ABUP <arg 1>

[ABUP] Done

This command is used to control the automatic backup data save function.

When “1” is specified for the argument, the backup data contents are saved in the flash

memory automatically at the first fix (This save is not executed if the time specified by

@ABPT has not elapsed since the last save). Then the backup data contents are saved in the

flash memory automatically with specified interval set by @ABPT beginning at the first fix.

For information about the backup data, see “@BUP”.

This command must be issued at Idle state. When this command is issued at Exec state,

error is returned. When the automatic backup data save is executing, the sentence may be

output erratically sometimes.

Please take account to the life of the flash memory when using this function.

Argument:

Field

Description

arg 1

Control automatic backup data save function.

0: OFF (default value).

1: ON.

RYS8830 RYS 8833

`GNSS Module Software Guide

Output sentence select

Syntax

Response

@BSSL <arg 1>

[BSSL] Done

This command is used to select the NMEA sentence to be output.

The sentences are assigned to each of the bits of the argument. “1” is set for the bits of

the sentences which are to be output, and “0” is set for the bits of the sentences whose

output is not required. Arguments can be specified in decimal or hexadecimal notation.

With hexadecimal notation, add ‘0x’ in front of the numeral.

Argument:

Field

Description

arg 1

Output NMEA sentence

bit0 : GGA

bit1 : GLL

bit2 : GSA

bit3 : GSV

bit4 : GNS

bit5 : RMC

bit6 : VTG

bit7 : ZDA

bit8 : Reserved

bit9 : Reserved

bit10 : Reserved

bit11 : Reserved

bit12 : Reserved

bit13 : Reserved

bit14 : Reserved

bit15 : Reserved

bit16 : Reserved

bit17 : Reserved

(Default value: 0x000000EF)

Backup data save

Syntax

Response

@BUP

[BUP] Done

This command is used to save the backup data. The backup data contents are saved in the

flash memory.

The backup data saved in the flash memory is automatically restored at boot-up from

power OFF.

The receiver position, ephemeris, almanac, TCXO offset and other information required for

hot start are included in the backup data, and by saving the backup data in the flash

memory using this command, hot start can be initiated when the system is booted from

RYS8830 RYS 8833

`GNSS Module Software Guide

Argument: None

Backup data clear

Syntax

Response

@BUPC

[BUPC] Done

This command is used to clear the backup data saved in the flash memory by @BUP.

This command must be issued at Idle state and the automatic backup data save function

disabled.

Argument: None

UART0 baud rate setting

Syntax

Response

@CSBR <arg 1>

[CSBR] Done

This command is used to set the UART0 baud rate of the RYS8830.

When the command is executed successfully, UART0 is changed to the baud rate specified

by the argument. Therefore, ensure that the Done response is received at the original baud

rate. When the command has failed, the original baud rate is not changed. In the default

status, the baud rate is set to 115200 bps.

Argument:

Field

Description

arg 1

The baud rate is specified using an integer. The unit used is bps. Specify

one of the following as the baud rate.

4800, 9600, 14400, 19200, 38400, 57600, 115200, 230400, 460800

(Default value: 115200)

Flash memory erase

Syntax

Response

@FER

[FER] Done

This command is used to erase the program on the flash memory. The RYS8830 re-start

after this command issued in special mode.

This command must be issued at “Idle” mode.

Argument: None

power OFF. (The time must be injected.)

This command must be issued at Idle state. When this command is issued at Exec state,

error is returned.

RYS8830 RYS 8833

`GNSS Module Software Guide

GPS almanac data acquisition

Syntax

Response

@GALG

[GALG] Done

This command is used to acquire the GPS almanac data received by RYS8830. When the

command is received, the RYS8830 transmits the GPS almanac data (binary data) to the host

controller.

The GPS almanac data size is 2048 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

GPS almanac data injection

Syntax

Response

@GALS

[GALS] Done

[GALS] Ready

This command is used to inject the GPS almanac data into the RYS8830. Transmit the GPS

almanac data (binary data) following the Ready response from the RYS8830.

The GPS almanac data size is 2048 bytes. In addition, the data which is actually required has

the header and footer added.

This command must be issued at “Idle” mode.

Argument: None

10.

Cold start

Syntax

Response

@GCD

[GCD] Done

This command is used to start the positioning with cold start.

Argument: None

11.

GPS ephemeris data acquisition

Syntax

Response

@GEMG

[GEMG] Done

This command is used to acquire the GPS ephemeris data which has been received by the

RYS8830. When the command is received, the RYS8830 transmits the GPS ephemeris data

(binary data) to the host controller.

The GPS ephemeris data size is 3072 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

RYS8830 RYS 8833

`GNSS Module Software Guide

12.

GPS ephemeris data injection

Syntax

Response

@ GEMS

[GEMS] Done

[GEMS] Ready

This command is used to inject the GPS ephemeris data into the RYS8830. Transmit the GPS

ephemeris data (binary data) following the Ready response from the RYS8830.

The GPS ephemeris data size is 3072 bytes. In addition, the data which is actually required

has the header and footer added.

This command must be issued at “Idle” mode.

Argument: None

13.

Positioning-use satellite setting

Syntax

Response

@GNS

[GNS] Done

This command is used to select the satellite systems to be used for positioning.

The satellite systems are assigned to the bits of the argument. “1” is set for the bits of the

systems which are to be used and “0” is set for the bits of the systems which are not be

used. Arguments can be specified in decimal or hexadecimal notation. With hexadecimal

notation, add “0x” in front of the numeral.

This command must be issued at “Idle” mode.

Argument:

Field

Description

arg 1

The satellite systems used for positioning are set on a bit by bit basis (0:

system not used, 1: system used).

bit 0 : GPS

bit 1 : GLONASS

bit 2 : SBAS

bit 3 : QZSS L1-CA

(Default value: 0x01)

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