LR1110_driver project

This project has moved to LR11xx driver project.

The source code remains available but will not be maintained.

This package proposes an implementation in C of the driver for LR1110 radio component.

Components

The driver is split in several components:

Bootloader
Register / memory access
System configuration
Radio
Wi-Fi Passive Scanning
GNSS Scan Scanning
Crypto engine

Bootloader

This component is used to update the firmware.

Register / memory access

This component is used to read / write data from registers or internal memory.

System configuration

This component is used to interact with system-wide parameters like clock sources, integrated RF switches, etc.

Radio

This component is used to send / receive data through the different modems (LoRa and GFSK) or perform a LoRa CAD (Channel Activity Detection). Parameters like power amplifier selection, output power and fallback modes are also accessible through this component.

Wi-Fi Passive Scanning

This component is used to configure and initiate the passive scanning of the Wi-Fi signals that can be shared to request a geolocation.

GNSS Scanning

This component is used to configure and initiate the acquisition of GNSS signals that can be shared to request a geolocation.

Crypto engine

This component is used to set and derive keys in the internal keychain and perform cryptographic operations with the integrated hardware accelerator.

Structure

Each component is based on different files:

lr1110_component.c: implementation of the functions related to component
lr1110_component.h: declarations of the functions related to component
lr1110_component_types.h: type definitions related to components

HAL

The HAL (Hardware Abstraction Layer) is a collection of functions that the user shall implement to write platform-dependant calls to the host. The list of functions is the following:

lr1110_hal_reset()
lr1110_hal_wakeup()
lr1110_hal_write()
lr1110_hal_read()
lr1110_hal_direct_read()

License

Lora-net/lr1110_driver

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