topic FRDM-K64F UART Control Problems... in Kinetis Design Studio https://community.nxp.com/t5/Kinetis-Design-Studio/FRDM-K64F-UART-Control-Problems/m-p/355230#M1504 <HTML><HEAD></HEAD><BODY><P><SPAN lang="en"><SPAN style="font-size: 12pt; font-family: verdana,geneva;">Currently</SPAN><SPAN style="font-size: 12pt; font-family: verdana,geneva;"> <SPAN class="hps">I am using the</SPAN> <SPAN class="hps">FRDM</SPAN><SPAN class="atn">-</SPAN>K64F <SPAN class="alt-edited hps">board with</SPAN> <SPAN class="hps">kds</SPAN> <SPAN class="hps">and</SPAN> <SPAN class="hps">KSDK</SPAN> <SPAN class="hps">and I need</SPAN> <SPAN class="hps">to use</SPAN> <SPAN class="hps">a serial port.</SPAN> </SPAN><BR /><SPAN style="font-size: 12pt; font-family: verdana,geneva;">I <SPAN class="hps">can</SPAN> <SPAN class="hps">transmit and receive data</SPAN>, but when <SPAN class="hps">I want to</SPAN> <SPAN class="hps">control</SPAN>, <SPAN class="hps">I can't find</SPAN> <SPAN class="hps">the necessary functions</SPAN>: </SPAN><BR /><SPAN style="font-size: 12pt; font-family: verdana,geneva;"><SPAN class="hps">1-</SPAN> <SPAN class="hps">I need to know</SPAN> <SPAN class="hps">how many bytes </SPAN><SPAN class="hps">were</SPAN> <SPAN class="hps">received</SPAN> <SPAN class="hps">at a reception in</SPAN> <SPAN class="hps">the data block</SPAN> <SPAN class="atn hps">(</SPAN>UART_DRV_ReceiveData <SPAN class="hps">function) and</SPAN> </SPAN><BR /><SPAN style="font-size: 12pt; font-family: verdana,geneva;"><SPAN class="hps">2-</SPAN> <SPAN class="hps">I need to know</SPAN> <SPAN class="hps">how many bytes</SPAN> <SPAN class="hps">are available</SPAN> <SPAN class="hps">in</SPAN> <SPAN class="hps">the receive buffer</SPAN> <SPAN class="hps">before</SPAN> <SPAN class="hps">reading </SPAN><SPAN class="hps">data block from the reception buffer.</SPAN></SPAN></SPAN></P><P><SPAN lang="en" style="font-size: 12pt; font-family: verdana,geneva;"><SPAN class="hps"><BR /></SPAN></SPAN></P><P><SPAN lang="en" style="font-size: 12pt; font-family: verdana,geneva;"><SPAN class="hps"><SPAN lang="en"><SPAN class="hps">Thanks in advance</SPAN></SPAN></SPAN></SPAN></P><P><SPAN lang="en" style="font-size: 12pt; font-family: verdana,geneva;"><SPAN class="hps"><SPAN lang="en"><SPAN class="hps"><BR /></SPAN></SPAN></SPAN></SPAN></P><P><SPAN lang="en"><SPAN class="hps"><SPAN lang="en"><SPAN class="hps"><SPAN style="font-size: 12pt; font-family: verdana,geneva;">LeoCaporalini</SPAN><BR /></SPAN></SPAN></SPAN></SPAN></P></BODY></HTML> Mon, 27 Oct 2014 20:01:04 GMT leocaporalini 2014-10-27T20:01:04Z FRDM-K64F UART Control Problems... https://community.nxp.com/t5/Kinetis-Design-Studio/FRDM-K64F-UART-Control-Problems/m-p/355230#M1504 <HTML><HEAD></HEAD><BODY><P><SPAN lang="en"><SPAN style="font-size: 12pt; font-family: verdana,geneva;">Currently</SPAN><SPAN style="font-size: 12pt; font-family: verdana,geneva;"> <SPAN class="hps">I am using the</SPAN> <SPAN class="hps">FRDM</SPAN><SPAN class="atn">-</SPAN>K64F <SPAN class="alt-edited hps">board with</SPAN> <SPAN class="hps">kds</SPAN> <SPAN class="hps">and</SPAN> <SPAN class="hps">KSDK</SPAN> <SPAN class="hps">and I need</SPAN> <SPAN class="hps">to use</SPAN> <SPAN class="hps">a serial port.</SPAN> </SPAN><BR /><SPAN style="font-size: 12pt; font-family: verdana,geneva;">I <SPAN class="hps">can</SPAN> <SPAN class="hps">transmit and receive data</SPAN>, but when <SPAN class="hps">I want to</SPAN> <SPAN class="hps">control</SPAN>, <SPAN class="hps">I can't find</SPAN> <SPAN class="hps">the necessary functions</SPAN>: </SPAN><BR /><SPAN style="font-size: 12pt; font-family: verdana,geneva;"><SPAN class="hps">1-</SPAN> <SPAN class="hps">I need to know</SPAN> <SPAN class="hps">how many bytes </SPAN><SPAN class="hps">were</SPAN> <SPAN class="hps">received</SPAN> <SPAN class="hps">at a reception in</SPAN> <SPAN class="hps">the data block</SPAN> <SPAN class="atn hps">(</SPAN>UART_DRV_ReceiveData <SPAN class="hps">function) and</SPAN> </SPAN><BR /><SPAN style="font-size: 12pt; font-family: verdana,geneva;"><SPAN class="hps">2-</SPAN> <SPAN class="hps">I need to know</SPAN> <SPAN class="hps">how many bytes</SPAN> <SPAN class="hps">are available</SPAN> <SPAN class="hps">in</SPAN> <SPAN class="hps">the receive buffer</SPAN> <SPAN class="hps">before</SPAN> <SPAN class="hps">reading </SPAN><SPAN class="hps">data block from the reception buffer.</SPAN></SPAN></SPAN></P><P><SPAN lang="en" style="font-size: 12pt; font-family: verdana,geneva;"><SPAN class="hps"><BR /></SPAN></SPAN></P><P><SPAN lang="en" style="font-size: 12pt; font-family: verdana,geneva;"><SPAN class="hps"><SPAN lang="en"><SPAN class="hps">Thanks in advance</SPAN></SPAN></SPAN></SPAN></P><P><SPAN lang="en" style="font-size: 12pt; font-family: verdana,geneva;"><SPAN class="hps"><SPAN lang="en"><SPAN class="hps"><BR /></SPAN></SPAN></SPAN></SPAN></P><P><SPAN lang="en"><SPAN class="hps"><SPAN lang="en"><SPAN class="hps"><SPAN style="font-size: 12pt; font-family: verdana,geneva;">LeoCaporalini</SPAN><BR /></SPAN></SPAN></SPAN></SPAN></P></BODY></HTML> Mon, 27 Oct 2014 20:01:04 GMT https://community.nxp.com/t5/Kinetis-Design-Studio/FRDM-K64F-UART-Control-Problems/m-p/355230#M1504 leocaporalini 2014-10-27T20:01:04Z Re: FRDM-K64F UART Control Problems... https://community.nxp.com/t5/Kinetis-Design-Studio/FRDM-K64F-UART-Control-Problems/m-p/355231#M1505 <HTML><HEAD></HEAD><BODY><P>Hi Leocaporatini,</P><P></P><P>You can refer to the Kinetis SDK API Reference Manual&nbsp; "C:\Freescale\KSDK_1.0.0\doc"&nbsp; about&nbsp; "25.2.3.9&nbsp; uart_status_t UART_DRV_ReceiveData() "</P><P>the "rxSize" is the number of bytes of receive .</P><P></P><P>Hope it hepls</P><P>Alice</P></BODY></HTML> Tue, 28 Oct 2014 01:52:56 GMT https://community.nxp.com/t5/Kinetis-Design-Studio/FRDM-K64F-UART-Control-Problems/m-p/355231#M1505 Alice_Yang 2014-10-28T01:52:56Z