SonicLib Programmer’s Guide for SonicLib v4

PublishTime：2024-12-11

●SonicLib is a set of API functions and sensor driver routines designed to easily control InvenSense ultrasonic sensors from an embedded C language application. It allows an application developer to obtain ultrasonic range data from one or more devices, without needing to develop special low-level code to interact with the sensors directly.
●The sensors measure distance (range) by emitting an ultrasonic pulse and measuring the time-of-flight (ToF) for that pulse to travel through the air, either reflected back to the transmitting sensor or received by a second sensor.
●The SonicLib API functions provide a consistent interface for an application to use the sensors in various situations. This is especially important, because all InvenSense ultrasonic sensors are completely software-defined. Except for a few low-level programming interfaces, the SPI or I2C “registers” are simply memory locations determined by the specific sensor firmware being used. They are subject to change between firmware revisions and can vary significantly between firmware images with different feature sets, even for the same device hardware. Operation of the ultrasonic sensors and presenting the data is more complicated than in most other types of devices, requiring intimate interaction with the device.
●The SonicLib API allows your application to use different sensor firmware images or SonicLib updates without requiring code changes.
●This guide explains how to use SonicLib to create your embedded sensing application. Key API functions and sequences are highlighted, with an emphasis on typical use cases. Some options and parameters, and many additional API functions, are not discussed in detail here. For more information on other SonicLib features, refer to the included HTML documentation or the comments in the soniclib.h header file, which provides a complete description of all interfaces.

Brand of Product：	TDK InvenSense
Part#：	ICU family 、 ICU-10201 、 ICU20201 、 ICU-30201 、 CH101 、 CH201 、 ICU 、 ICU-20201 、 ICU-x0201 More Part#
Product Category：	API functions and sensor driver routines 、 ultrasonic sensors More
Application：	More
Data Type：	User's Guide More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	07/15/2024
Version Number：	Revision: 3.0
Data Encoding：	AN-000175
Data Size：	2.6 MB

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