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ADXRS453-适用于单片机平台的无操作系统驱动程序

消耗积分:2 | 格式:pdf | 大小:1.86MB | 2021-04-21

王平

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This version (22 Jul 2019 14:15) was approved by Andrei Drimbarean.The Previously approved version (03 Jul 2013 16:13) is available.Diff

Table of Contents

ADXRS453 - No-OS Driver for Microchip Microcontroller Platforms

Supported Devices

Evaluation Boards

Overview

The ADXRS453 is an angular rate sensor (gyroscope) intended for industrial, instrumentation, and stabilization applications in high vibration environments. An advanced, differential, quad sensor design rejects the influence of linear acceleration, enabling the ADXRS453 to offer high accuracy rate sensing in harsh environments where shock and vibration are present.

The ADXRS453 uses an internal, continuous self-test architecture. The integrity of the electromechanical system is checked by applying a high frequency electrostatic force to the sense structure to generate a rate signal that can be differentiated from the base-band rate data and internally analyzed.

The ADXRS453 is capable of sensing an angular rate of up to ±300°/sec. Angular rate data is presented as a 16-bit word that is part of a 32-bit SPI message.

The ADXRS453 is available in a 16-lead plastic cavity SOIC (SOIC_CAV) and an SMT-compatible vertical mount package (LCC_V), and is capable of operating across a wide voltage range (3.3 V to 5 V).

Applications

  • Rotation sensing in high vibration environments
  • Rotation sensing for industrial and instrumentation applications
  • High performance platform stabilization

28 Sep 2012 16:19 · Dragos Bogdan

The goal of this project (Microcontroller No-OS) is to be able to provide reference projects for lower end processors, which can't run Linux, or aren't running a specific operating system, to help those customers using microcontrollers with ADI parts. Here you can find a generic driver which can be used as a base for any microcontroller platform and also specific drivers for different microcontroller platforms.

Driver Description

The driver contains two parts:

  • The driver for the ADXRS453 part, which may be used, without modifications, with any microcontroller.
  • The Communication Driver, where the specific communication functions for the desired type of processor and communication protocol have to be implemented. This driver implements the communication with the device and hides the actual details of the communication protocol to the ADI driver.

The Communication Driver has a standard interface, so the ADXRS453 driver can be used exactly as it is provided.

There are three functions which are called by the ADXRS453 driver:

  • SPI_Init() – initializes the communication peripheral.
  • SPI_Write() – writes data to the device.
  • SPI_Read() – reads data from the device.

SPI driver architecture

The following functions are implemented in this version of ADXRS453 driver:

Function Description
char ADXRS453_Init(void) Initializes the ADXRS453 and checks if the device is present.
unsigned short ADXRS453_GetRegisterValue(unsigned char regAddress) Reads the value of a register.
void ADXRS453_SetRegisterValue(unsigned char regAddress, unsigned short regData) Writes data into a register.
unsigned long ADXRS453_GetSensorData(void) Reads the sensor data.
float ADXRS453_GetRate(void) Reads the rate data and converts it to degrees/second.
float ADXRS453_GetTemperature(void) Reads temperature from ADXRS453 and converts it to degrees Celsius.
01 Oct 2012 15:25 · Dragos Bogdan

HW Platform(s):

Downloads

Digilent Cerebot MX3cK Quick Start Guide

This section contains a description of the steps required to run the ADXRS453 demonstration project on a Digilent Cerebot MX3cK platform.

Required Hardware

Required Software

The ADXRS453 demonstration project for PIC32MX320F128H consists of three parts: the ADXRS453 Driver, the PmodGYRO2 Demo for PIC32MX320F128H and the PIC32MX320F128H Common Drivers.

All three parts have to be downloaded.

Hardware Setup

A PmodGYRO2 has to be connected to the JE connector of Cerebot MX3cK development board.

Reference Project Overview

The following commands were implemented in this version of ADXRS453 reference project for Cerebot MX3cK board.

Command Description
help? Displays all available commands.
temperature? Displays the ambient temperature.
measure! Starts measurement for 30 samples.

Commands can be executed using a serial terminal connected to the UART1 peripheral of PIC32MX320F128H.

The following image shows a generic list of commands in a serial terminal connected to processor’s UART peripheral.

Software Project Setup

This section presents the steps for developing a software application that will run on the Digilent Cerebot MX3cK development board for controlling and monitoring the operation of the ADI part.

  • Run the MPLAB X integrated development environment.
  • Choose to create a new project.
  • In the Choose Project window select Microchip Embedded category, Standalone Project and press Next.

  • In the Select Device window choose PIC32MX320F128H device and press Next.

  • In the Select Tool window select the desired hardware tool and press Next.

  • In the Select Compiler window chose the XC32 compiler and press Next.

  • In the Select Project Name and Folder window choose a name and a location for the project.

  • After the project is created, all the downloaded source files have to be copied in the project folder and included in the project.

  • The project is ready to be built and downloaded on the development board.

05 Jul 2012 14:45

Digilent Cerebot MC7 Quick Start Guide

This section contains a description of the steps required to run the ADXRS453 demonstration project on a Digilent Cerebot MC7 platform.

Required Hardware

Required Software

Hardware Setup

A PmodGYRO2 has to be connected to the JB connector of Cerebot MC7 development board.

Reference Project Overview

Following commands were implemented in this version of ADXRS453 reference project for Cerebot MC7 board.

Command Description
help? Displays all available commands.
temperature? Displays the temperature.
start= Starts measurement. Accepted value: 1.

Commands can be executed using a serial terminal connected to the UART1 peripheral of dsPIC33FJ128MC706A.

The following image shows a list of commands in a serial terminal connected to processor’s UART peripheral.

Software Project Setup

This section presents the steps for developing a software application that will run on the Digilent Cerebot MC7 development board for controlling and monitoring the operation of the ADI part.

  • Run the MPLAB X integrated development environment.
  • Choose to create a new project.
  • In the Choose Project window select Microchip Embedded category, Standalone Project and press Next.

  • In the Select Device window choose dsPIC33FJ128MC706A device and press Next.

  • In the Select Tool window select the desired hardware tool and press Next.

  • In the Select Compiler window chose the XC16 compiler and press Next.

  • In the Select Project Name and Folder window choose a name and a location for the project.

  • After the project is created, the source files have to be copied in the project folder and included in the project.

  • The project is ready to be built and downloaded on the development board.

16 Jul 2012 16:48

Digilent Cerebot MX3cK Quick Start Guide - chipKIT Project

This section contains a description of the steps required to run the ADXRS453 chipKIT demonstration project on a Digilent Cerebot MX3cK platform.

Required Hardware

Required Software

Hardware Setup

A PmodGYRO2 has to be connected to the JE connector of Cerebot MX3cK development board.

Reference Project Overview

Following commands were implemented in this version of ADXRS453 chipKIT reference project for Cerebot MX3cK board.

Command Description
help? Displays all available commands.
temperature? Displays the ambient device temperature.
start= Starts measurement. Accepted value: 1.

Commands can be executed using the serial monitor.

Carriage return has to be selected as a line ending character. The required baud rate is 9600 baud.

The following image shows a list of commands in the serial monitor.

Software Project Setup

This section presents the steps for developing a chipKIT application that will run on the Digilent Cerebot MX3cK development board for controlling and monitoring the operation of the ADI part.

  • Under your Sketchbook directory create a folder called “Libraries”; this folder may already exist.
  • Unzip the downloaded file in the libraries folder.
  • Run the MPIDE environment.
  • You should see the new library under Sketch→Import Library, under Contributed.

  • Also you should see under File→Examples the demo project for the ADI library.
  • Select the ADIDriver example.

  • Select the Cerebot MX3cK board from Tools→Board.
  • Select the corresponding Serial Communication Port from Tools→Serial Port
  • The project is ready to be uploaded on the development board.

23 Jul 2012 16:51

More information

01 Jun 2012 12:17
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