i.MX ProcessorsのトピックRe: Harash driving detection https://community.nxp.com/t5/i-MX-Processors/Harash-driving-detection/m-p/771450#M119782 <HTML><HEAD></HEAD><BODY><P>Hello Anish Kumar,</P><P></P><P>You could identify the acceleration changes using the data registers of the device.</P><P></P><P>Note that the MMA8653 device has embedded functionalities which might help detecting the events that you mentioned. Freefall is detected when the acceleration magnitude is less than the configured threshold.</P><P></P><P>A huge acceleration/brake will generate a ‘spike’ on the data register that can be identified as below:</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/13401iA317895F1CAEAE80/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P></P><P></P><P>You can use the example project bellow as a reference for your project:</P><P><A _jive_internal="true" href="https://community.nxp.com/docs/DOC-101192">MMA8652FC - Bare metal example project</A></P><P>&nbsp;</P><P>I hope this information helps.</P><P>Best Regards,</P><P>David &nbsp;</P></BODY></HTML> Fri, 27 Apr 2018 16:29:30 GMT david_diaz 2018-04-27T16:29:30Z Harash driving detection https://community.nxp.com/t5/i-MX-Processors/Harash-driving-detection/m-p/771449#M119781 <HTML><HEAD></HEAD><BODY><P>How can I detect Huge Acceleration/Brake with MMA8653 accelerometer?</P></BODY></HTML> Thu, 26 Apr 2018 10:50:31 GMT https://community.nxp.com/t5/i-MX-Processors/Harash-driving-detection/m-p/771449#M119781 anishkumar 2018-04-26T10:50:31Z Re: Harash driving detection https://community.nxp.com/t5/i-MX-Processors/Harash-driving-detection/m-p/771450#M119782 <HTML><HEAD></HEAD><BODY><P>Hello Anish Kumar,</P><P></P><P>You could identify the acceleration changes using the data registers of the device.</P><P></P><P>Note that the MMA8653 device has embedded functionalities which might help detecting the events that you mentioned. Freefall is detected when the acceleration magnitude is less than the configured threshold.</P><P></P><P>A huge acceleration/brake will generate a ‘spike’ on the data register that can be identified as below:</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/13401iA317895F1CAEAE80/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P></P><P></P><P>You can use the example project bellow as a reference for your project:</P><P><A _jive_internal="true" href="https://community.nxp.com/docs/DOC-101192">MMA8652FC - Bare metal example project</A></P><P>&nbsp;</P><P>I hope this information helps.</P><P>Best Regards,</P><P>David &nbsp;</P></BODY></HTML> Fri, 27 Apr 2018 16:29:30 GMT https://community.nxp.com/t5/i-MX-Processors/Harash-driving-detection/m-p/771450#M119782 david_diaz 2018-04-27T16:29:30Z