LPC Microcontrollers中的主题 Re: LPC1549 fast fourier transform https://community.nxp.com/t5/LPC-Microcontrollers/LPC1549-fast-fourier-transform/m-p/835603#M33337 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P style="margin: 0px; padding: 0px; border: 0px; font-weight: 400; font-style: normal; font-size: 15px; font-family: arial, helvetica, 'helvetica neue', verdana, sans-serif; vertical-align: baseline; color: #51626f; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;">Please try using the CMSIS DSP for cortex M3,</P><P style="margin: 0px; padding: 0px; border: 0px; font-weight: 400; font-style: normal; font-size: 15px; font-family: arial, helvetica, 'helvetica neue', verdana, sans-serif; vertical-align: baseline; color: #51626f; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;"><SPAN style="color: #51626f; font-family: arial, helvetica, 'helvetica neue', verdana, sans-serif; font-size: 15px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">This may be helpful to you:</SPAN></P><P style="margin: 0px; padding: 0px; border: 0px; font-weight: 400; font-style: normal; font-size: 15px; font-family: arial, helvetica, 'helvetica neue', verdana, sans-serif; vertical-align: baseline; color: #51626f; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;"><A _jive_internal="true" data-containerid="11529" data-containertype="14" data-content-finding="Community" data-objectid="388987" data-objecttype="1" href="https://community.nxp.com/thread/388987">CMSIS DSP Library Support</A>&nbsp;</P><P style="margin: 0px; padding: 0px; border: 0px; font-weight: 400; font-style: normal; font-size: 15px; font-family: arial, helvetica, 'helvetica neue', verdana, sans-serif; vertical-align: baseline; color: #51626f; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial; min-height: 8pt;">&nbsp;</P><P style="margin: 0px; padding: 0px; border: 0px; font-weight: 400; font-style: normal; font-size: 15px; font-family: arial, helvetica, 'helvetica neue', verdana, sans-serif; vertical-align: baseline; color: #51626f; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;">The library can be found in the Examples directory of the MCUXpresso install.</P><P style="margin: 0px; padding: 0px; border: 0px; font-weight: 400; font-style: normal; font-size: 15px; font-family: arial, helvetica, 'helvetica neue', verdana, sans-serif; vertical-align: baseline; color: #51626f; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;"><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/74251iA560EE1F68DB5A49/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P style="margin: 0px; padding: 0px; border: 0px; font-weight: 400; font-style: normal; font-size: 15px; font-family: arial, helvetica, 'helvetica neue', verdana, sans-serif; vertical-align: baseline; color: #51626f; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;"></P><P><BR />Have a great day,<BR />Sol</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Tue, 09 Oct 2018 22:41:43 GMT soledad 2018-10-09T22:41:43Z LPC1549 fast fourier transform https://community.nxp.com/t5/LPC-Microcontrollers/LPC1549-fast-fourier-transform/m-p/835602#M33336 <HTML><HEAD></HEAD><BODY><P>hello,</P><P>can i use fft function from cmsis dsp library. this library contains fft function. in the internet i found this library for suitable for lpc 13xx and 17xx series. it is suitable my lpc expresso 1549.</P><P>thanks for helping...</P></BODY></HTML> Mon, 08 Oct 2018 13:45:39 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC1549-fast-fourier-transform/m-p/835602#M33336 emrebaltaci 2018-10-08T13:45:39Z Re: LPC1549 fast fourier transform https://community.nxp.com/t5/LPC-Microcontrollers/LPC1549-fast-fourier-transform/m-p/835603#M33337 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P style="margin: 0px; padding: 0px; border: 0px; font-weight: 400; font-style: normal; font-size: 15px; font-family: arial, helvetica, 'helvetica neue', verdana, sans-serif; vertical-align: baseline; color: #51626f; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;">Please try using the CMSIS DSP for cortex M3,</P><P style="margin: 0px; padding: 0px; border: 0px; font-weight: 400; font-style: normal; font-size: 15px; font-family: arial, helvetica, 'helvetica neue', verdana, sans-serif; vertical-align: baseline; color: #51626f; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;"><SPAN style="color: #51626f; font-family: arial, helvetica, 'helvetica neue', verdana, sans-serif; font-size: 15px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">This may be helpful to you:</SPAN></P><P style="margin: 0px; padding: 0px; border: 0px; font-weight: 400; font-style: normal; font-size: 15px; font-family: arial, helvetica, 'helvetica neue', verdana, sans-serif; vertical-align: baseline; color: #51626f; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;"><A _jive_internal="true" data-containerid="11529" data-containertype="14" data-content-finding="Community" data-objectid="388987" data-objecttype="1" href="https://community.nxp.com/thread/388987">CMSIS DSP Library Support</A>&nbsp;</P><P style="margin: 0px; padding: 0px; border: 0px; font-weight: 400; font-style: normal; font-size: 15px; font-family: arial, helvetica, 'helvetica neue', verdana, sans-serif; vertical-align: baseline; color: #51626f; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial; min-height: 8pt;">&nbsp;</P><P style="margin: 0px; padding: 0px; border: 0px; font-weight: 400; font-style: normal; font-size: 15px; font-family: arial, helvetica, 'helvetica neue', verdana, sans-serif; vertical-align: baseline; color: #51626f; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;">The library can be found in the Examples directory of the MCUXpresso install.</P><P style="margin: 0px; padding: 0px; border: 0px; font-weight: 400; font-style: normal; font-size: 15px; font-family: arial, helvetica, 'helvetica neue', verdana, sans-serif; vertical-align: baseline; color: #51626f; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;"><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/74251iA560EE1F68DB5A49/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P style="margin: 0px; padding: 0px; border: 0px; font-weight: 400; font-style: normal; font-size: 15px; font-family: arial, helvetica, 'helvetica neue', verdana, sans-serif; vertical-align: baseline; color: #51626f; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-style: initial; text-decoration-color: initial;"></P><P><BR />Have a great day,<BR />Sol</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Tue, 09 Oct 2018 22:41:43 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC1549-fast-fourier-transform/m-p/835603#M33337 soledad 2018-10-09T22:41:43Z