cykibb/lc29h-driver

C driver implementation for Quectel's dual-band GNSS LC29H modules

QUECTEL LC29X Global Navigation Satellite System (GNSS) DRIVER Library (WIP)

Library for Interfacing with the LC29H Module

LC29X PAIR Query & Response Information

This chapter explains PAIR messages (proprietary NMEA messages defined by the chipset supplier). “P” means proprietary message, “AIR” means the command defined by the chipset supplier.

PAIR COMMANDS

Refer to Quectel LC29H documentation. Here are some examples below:

Packet Type: 002 PAIR_GNSS_SUBSYS_POWER_ON####

Details:
    Powers on the GNSS system, including DSP/RF/PE/Clock, etc.
Synopsis: 
    $PAIR002*<Checksum><CR><LF>
Parameter: 
    None.
Result: 
    Returns a PAIR_ACK message.
Example: 
    $PAIR002*38 
    $PAIR001,002,0*39

Packet Type: 003 PAIR_GNSS_SUBSYS_POWER_OFF

Details:
    Powers off the GNSS system, including DSP/RF/PE/Clock etc. After you send this command, CM4 can still receive commands (including PAIR commands that are not reliant on DSP).
Type:
    Command.
Synopsis:
    $PAIR003*<Checksum><CR><LF>
Parameter:
    None.
Result:
    Returns a PAIR_ACK message.
Example:
    $PAIR003*39
    $PAIR001,003,0*38