Data Sheet

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A111 Pulsed Coherent Radar (PCR)

Datasheet, v1.5.2

7.1 Software Architecture

The Acconeer software has been written in C and is portable to any OS and HW platform. The

Acconeer software is executed on Host MCU and delivered as binaries, except for driver software that

is delivered as source code. The Acconeer software also provides example applications as reference

source code for utilizing various Acconeer Services and Detectors, to facilitate customer software

development on application level. Acconeer Services provides data and Acconeer Detectors provides

result based on Service data.

The below figure shows the A111 software architecture:

Hardware Abstraction Layer, HAL

Sensor Layer

Session Layer

Sensor Driver

Service Layer

Service A

Request Handler X

Service B Service C

Request Handler Y

Core

SPI driver GPIO driver

SPI device GPIO device

Detectors

Detector α

Detector β

Detector γ

Application Layer

Example

Application I

Example

Application II

Example

Application III

Board

Figure 7.2. SW architecture

Note: The green boxes are binaries and the yellow boxes are delivered as source code.

The Application layer addresses functional requests for various provided services using an Acconeer

defined API (Application Programming Interface). Acconeer provides several example applications,

that are service oriented. Also, customer guidelines are provided for application development utilizing

the Acconeer API.

The Service layer handles functional requests on services and returns service data per request. The

service data can be either processed by application itself or pushed from the application toward a

specific detector to generate calculated result e.g. distance, amplitude.

The Session layer, depending on given service, creates dedicated sessions for one or multiple sensors.

Note that multiple sensors are supported and handled from a single host, where the Acconeer software

is running. A session is implemented by a request handler(s), handling sensor initiation, configuration,

sweep acquisition and signal processing. Results are available through callback function or blocking

function call.

The Sensor layer handles the sensor control and communication functions. Core function handles

different sweep configurations, set in the API.

The HAL layer (Hardware Abstraction Layer) handles integration towards customer hardware, e.g.

driver registration and pin mapping toward SPI and INTERRUPT. Acconeer provides several

reference drivers as source code, e.g. Support for Cortex M4, Cortex M7 MCU’s.