topic Re: SDCard time to write in MQX Software Solutions https://community.nxp.com/t5/MQX-Software-Solutions/SDCard-time-to-write/m-p/290072#M9286 <HTML><HEAD></HEAD><BODY><P>Hi Luc,</P><P></P><P>Maybe MQX is taking time to flush the data from the memory to the file in your SDCARD. If you have the file opened and never closes then this could be the reason of the delays time to time. Try to Open the file, Write it, close it and then repeat. 1 second is a lot of time!!! This might be enough to open/write/close cycles.</P><P></P><P>I hope this helps you.</P><P>Happy 2014,</P><P>Garabo</P></BODY></HTML> Tue, 07 Jan 2014 20:45:01 GMT Luis_Garabo 2014-01-07T20:45:01Z SDCard time to write https://community.nxp.com/t5/MQX-Software-Solutions/SDCard-time-to-write/m-p/290071#M9285 <HTML><HEAD></HEAD><BODY><P><SPAN lang="EN-US" style="mso-ansi-language: EN-US;">Hello World,</SPAN></P><P></P><P><SPAN lang="EN-US" style="mso-ansi-language: EN-US;"> </SPAN></P><P><SPAN lang="EN-US" style="mso-ansi-language: EN-US;">I use MQX with MFS 4.02. My CPU is a K60. I use a SDCard on standard interface.</SPAN></P><P><SPAN lang="EN-US" style="mso-ansi-language: EN-US;"><BR /></SPAN></P><P></P><P><SPAN lang="EN-US" style="mso-ansi-language: EN-US;">In my application, i need to write some data every second parmanently.<BR /></SPAN></P><P></P><P><SPAN lang="EN-US" style="mso-ansi-language: EN-US;">Data size to write every second is about 7K bytes.</SPAN></P><P></P><P><SPAN lang="EN-US" style="mso-ansi-language: EN-US;"> </SPAN></P><P></P><P><SPAN lang="EN-US" style="mso-ansi-language: EN-US;">Most of the time, some millisecond are sufficient (between 3 and 7 millis).</SPAN></P><P></P><P><SPAN lang="EN-US" style="mso-ansi-language: EN-US;">But sometime, this value rise to some thousands of millisecond.</SPAN></P><P></P><P><SPAN lang="EN-US" style="mso-ansi-language: EN-US;">This is a problem, and i lose datas<BR /></SPAN></P><P></P><P><SPAN lang="EN-US" style="mso-ansi-language: EN-US;">Do you understand this behavior, and have you some solution to propose?</SPAN></P><P></P><P><SPAN lang="EN-US" style="mso-ansi-language: EN-US;"> </SPAN></P><P></P><P>Best regards,</P><P></P><P>Luc</P></BODY></HTML> Tue, 07 Jan 2014 16:27:46 GMT https://community.nxp.com/t5/MQX-Software-Solutions/SDCard-time-to-write/m-p/290071#M9285 lucky06200 2014-01-07T16:27:46Z Re: SDCard time to write https://community.nxp.com/t5/MQX-Software-Solutions/SDCard-time-to-write/m-p/290072#M9286 <HTML><HEAD></HEAD><BODY><P>Hi Luc,</P><P></P><P>Maybe MQX is taking time to flush the data from the memory to the file in your SDCARD. If you have the file opened and never closes then this could be the reason of the delays time to time. Try to Open the file, Write it, close it and then repeat. 1 second is a lot of time!!! This might be enough to open/write/close cycles.</P><P></P><P>I hope this helps you.</P><P>Happy 2014,</P><P>Garabo</P></BODY></HTML> Tue, 07 Jan 2014 20:45:01 GMT https://community.nxp.com/t5/MQX-Software-Solutions/SDCard-time-to-write/m-p/290072#M9286 Luis_Garabo 2014-01-07T20:45:01Z