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mikroSDK Library

Shake2Wake Click

Rating:

1

Author: MIKROE

Last Updated: 2019-07-30

Package Version: 1.0.0.1

mikroSDK Library: 1.0.0.0

Category: Motion

Downloaded: 3557 times

Followed by: 3 users

License: MIT license  

Shake2Wake click carries an ADXL362 accelerometer, a ADP195 power switch, and a screw terminal for activating external devices using the accelerometer’s built-in activity detection modes.

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  • mikroSDK Library 2.0.0.0
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mikroSDK Library Blog

Shake2Wake

Shake2Wake

Front and back view of the click board

View full image

Library Description

The library covers all the necessary functions for the usage of the Shake2Wake Click board. The library initializes and defines the SPI driver and drivers that offer a choice for writing and reading data in and from registers. User can read accelerometer data in 8 or 12 bits or have them calulated in "G"s. Temperature can be also read from an internal sensor. Furthermore, user has a choice of many different types of possible settings. For additional functionality, read/write one or multiple bytes, as well as FIFO burst read is available to the user.

Key functions:

  • void shake2wake_getLoResRawData( uint8_t *xVal, uint8_t *yVal, uint8_t *zVal ) - Function is used to read 8-bit accelerometer data per axis.
  • void shake2wake_getRawData( int16_t *xVal, int16_t *yVal, int16_t *zVal ) - Function is used to read the 3-axis raw data from the accelerometer.
  • float shake2wake_readTemperature() - Function is used to read temperature from an internal sensor.

Examples description

The application is composed of three sections :

  • System Initialization - Initializes SPI module, LOG and GPIO structures, sets CS pin as output and INT pin as input.
  • Application Initialization - Initalizes SPI driver, applies default settings and makes an initial log.
  • Application Task - This is an example that shows the capabilities of the Shake2Wake click by reading values of an accelerometer and logging them on USART terminal and, in case of an interrupt, it raises voltage on the connector.
void applicationTask()
{
    shake2wake_getRawData( &xVal, &yVal, &zVal );
    temperature = shake2wake_readTemperature();

    IntToStr( xVal, logTxt );
    mikrobus_logWrite( "X axis: ", _LOG_TEXT );
    mikrobus_logWrite( logTxt, _LOG_LINE );

    IntToStr( yVal, logTxt );
    mikrobus_logWrite( "Y axis: ", _LOG_TEXT );
    mikrobus_logWrite( logTxt, _LOG_LINE );

    IntToStr( zVal, logTxt );
    mikrobus_logWrite( "Z axis: ", _LOG_TEXT );
    mikrobus_logWrite( logTxt, _LOG_LINE );

    FloatToStr( temperature, logTxt );
    mikrobus_logWrite( "Temperature: ", _LOG_TEXT );
    mikrobus_logWrite( logTxt, _LOG_TEXT );
    mikrobus_logWrite( degCel, _LOG_LINE );
    mikrobus_logWrite( "--------------------------", _LOG_LINE );
    Delay_ms( 1000 );
}

Other mikroE Libraries used in the example:

  • SPI
  • UART
  • Conversions

Additional notes and informations

Depending on the development board you are using, you may need USB UART clickUSB UART 2 click or RS232 click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.

Shake2Wake Schematic

Shake2Wake Schematic

Schematic

View full image

Note*

This library represents an easy to use plug in for the supported platforms below.  Installation of the library, examples, and help files are provided by the Package Manager - http://www.mikroe.com/package-manager/

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