`koi` GPS commands

koi-gps-commands.md

GPS commands for koi (and probably medaka too)

The commands below are executed in order starting at the function: void start_gps2(uint32_t fd, uint8_t* result_buffer).

result_buffer is a 14 byte buffer that's used to store command responses.

Power

#POWER,0\r\n
#POWER,1\r\n

Expected response:

[POWER] Done

Version

This appears to be used to check whether the GPS module is online.

@VER\r\n

Expected response:

[VER] Done

CSPS

@CSPS 8 0 1 1\r\n

Expected responses:

[CSPS] Done

Theres a 300 ms delay after the response.

STPAR

Set parameter command

#STPAR,%d,%d,%d,%d\r\n"

Values are unknown at the time of writing.

CEP

@CEPE\r\n

And

@CEPW %d\r\n

A valid value for the decimal is 0.

Valid response:

[CEPW]

GSTA

Actually starts the GPS.

#GSTA %d,%d,%d\r\n

Values for the parameters are unknown.