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@raezt raezt commented Dec 15, 2025

Pull Request Description

no-OS compatible GNSS driver providing unified support for both UBX protocol capable devices with CFG-VALSET/VALGET support and NMEA protocol devices with timing synchronization, position data, and PPS output.
The no-OS GNSS API provides a unified interface for GNSS timing and positioning functionality across different device types and protocols. This API abstracts the underlying complexity of UBX and NMEA protocols while maintaining high precision timing capabilities.
An example project showcases how to read the time data using a PPS interrupt approach.

PR Type

  • Bug fix (change that fixes an issue)
  • New feature (change that adds new functionality)
  • Breaking change (has dependencies in other repos or will cause CI to fail)

PR Checklist

  • I have followed the Coding style guidelines
  • I have complied with the Submission Checklist
  • I have performed a self-review of the changes
  • I have commented my code, at least hard-to-understand parts
  • I have build all projects affected by the changes in this PR
  • I have tested in hardware affected projects, at the relevant boards
  • I have signed off all commits from this PR
  • I have updated the documentation (wiki pages, ReadMe etc), if applies

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@amiclaus amiclaus left a comment

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please solve the build issues prior to in-depth review.

no-OS compatible GNSS driver providing unified support for both
UBX protocol or NMEA for configuration and communication
with timing synchronization, position data, and PPS output.
The driver supports basic initialization, configuration of update rate,
and reading of UBX and NMEA sentences.
The communication is done over UART interface.

Signed-off-by: Radu Etz <[email protected]>
Example project for the gnss-gps driver.
Tested using a Neo-M9N module and the AD-APARD32690-SL.
Reads time and position data from the GNSS module and prints it
to the UART console.
Interrupt driven implementation with PPS signal handling.

Signed-off-by: Radu Etz <[email protected]>
The no-OS GNSS API provides a unified interface for GNSS timing and
positioning functionality across different gnss-gps device types and
protocols.
This API abstracts the underlying complexity of UBX and NMEA protocols
while maintaining high precision timing capabilities.
Generic API works with any GNSS hardware through platform operations.
Easy to add support for new GNSS chipsets.

Signed-off-by: Radu Etz <[email protected]>
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3 participants