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In general ChirpStack is configured with a rx1_delay configuration matching the network latency (e.g. on cellular, one might want to set this to rx1_delay=3). However, this does not take into account a possible latency of the end-application. Handling the uplink and enqueueing a downlink might take more time than the configured rx1_delay (and get_downlink_data_delay) allows. This option makes it possible to increase the RX1 Delay in the device-profile. If the RX1 Delay has between increased relative to the system default, then the get_downlink_data_delay will be incremented with the same amount of seconds.
ChirpStack open-source LoRaWAN(R) Network Server
ChirpStack is an open-source LoRaWAN(R) Network Server which can be used to set up LoRaWAN networks. ChirpStack provides a web-interface for the management of gateways, devices and tenants as well to set up data integrations with the major cloud providers, databases and services commonly used for handling device data. ChirpStack provides a gRPC based API that can be used to integrate or extend ChirpStack.
Documentation and binaries
Please refer to the ChirpStack website for documentation and pre-compiled binaries.
Building from source
Requirements
Building ChirpStack requires:
Nix
Nix is used for setting up the development environment which is used for local development and for creating the binaries.
If you do not have Nix installed and do not wish to install it, then you can use the provided Docker Compose based Nix environment. To start this environment execute the following command:
make docker-devshell
Note: You will be able to run the test commands and run cargo build, but
cross-compiling will not work within this environment (because it would try start
Docker within Docker).
Docker
Docker is used by cross-rs for cross-compiling,
as well as some of the make commands.
Starting the development shell
Run the following command to start the development shell:
nix-shell
Or if you do not have Nix installed, execute the following command:
make docker-devshell
Building the UI
To build the ChirpStack UI, execute the following command:
make build-ui
Running ChirpStack tests
Start required services
ChirpStack requires several services like PostgresQL, Redis, Mosquitto, ...
to be running before you can run the tests. You need to start these services
manually if you started the development shell using nix-shell:
docker compose up -d
Run tests
Run the following command to run the ChirpStack tests:
make test
Building ChirpStack binaries
Before compiling the binaries, you need to install some additional development tools (for cross-compiling, packaging, e.d.). Execute the following command:
make dev-dependencies
Run the following command within the ./chirpstack sub-folder:
# Build AMD64 debug build (optimized for build speed)
make debug-amd64
# Build AMD64 release build (optimized for performance and binary size)
make release-amd64
# Build all packages (all targets, .deb, .rpm and .tar.gz files)
make dist
License
ChirpStack Network Server is distributed under the MIT license. See also LICENSE.