i.MX ProcessorsのトピックRe: Unable to read and write on GSM Module https://community.nxp.com/t5/i-MX-Processors/Unable-to-read-and-write-on-GSM-Module/m-p/908016#M136868 <HTML><HEAD></HEAD><BODY><P>OK. Thanx for letting know.</P></BODY></HTML> Tue, 28 May 2019 02:58:41 GMT b36401 2019-05-28T02:58:41Z Unable to read and write on GSM Module https://community.nxp.com/t5/i-MX-Processors/Unable-to-read-and-write-on-GSM-Module/m-p/908014#M136866 <HTML><HEAD></HEAD><BODY><P>Dear NXP,</P><P></P><P>I am working on SIMCOM GSM module. I am trying to execute AT command in this module. But, I am unable to access this module.&nbsp;</P><P></P><P style="color: #222222; background-color: #ffffff;">I got the following reply when I try to read.</P><P style="color: #222222; background-color: #ffffff;"></P><P style="color: #222222; background-color: #ffffff;">toradex_apalis6q:/ # cat /dev/ttyUSB3 &amp;<BR />[1] 1079<BR /><SPAN style="font-weight: bold;"><STRONG>/system/bin/sh: cat: /dev/ttyUSB3: Try again</STRONG></SPAN></P><P style="color: #222222; background-color: #ffffff;"></P><P style="color: #222222; background-color: #ffffff;"></P><P style="color: #222222; background-color: #ffffff;">And also I check with all scenario (checking the user permission). But not workout.</P><P style="color: #222222; background-color: #ffffff;">&nbsp;</P><P style="color: #222222; background-color: #ffffff;"></P><P style="color: #222222; background-color: #ffffff;">Thanks &amp; Regards,</P><P style="color: #222222; background-color: #ffffff;">VinothS</P></BODY></HTML> Mon, 27 May 2019 06:05:09 GMT https://community.nxp.com/t5/i-MX-Processors/Unable-to-read-and-write-on-GSM-Module/m-p/908014#M136866 vinothkumars 2019-05-27T06:05:09Z Re: Unable to read and write on GSM Module https://community.nxp.com/t5/i-MX-Processors/Unable-to-read-and-write-on-GSM-Module/m-p/908015#M136867 <HTML><HEAD></HEAD><BODY><P>This the sim network problem and time zone problem. Finally this problem was when sim got network as well as by enabling the "automatic network prohibited time".</P><P>I closed this thread now.</P><P></P><P>Thanks,</P><P>VinothS</P></BODY></HTML> Mon, 27 May 2019 10:10:58 GMT https://community.nxp.com/t5/i-MX-Processors/Unable-to-read-and-write-on-GSM-Module/m-p/908015#M136867 vinothkumars 2019-05-27T10:10:58Z Re: Unable to read and write on GSM Module https://community.nxp.com/t5/i-MX-Processors/Unable-to-read-and-write-on-GSM-Module/m-p/908016#M136868 <HTML><HEAD></HEAD><BODY><P>OK. Thanx for letting know.</P></BODY></HTML> Tue, 28 May 2019 02:58:41 GMT https://community.nxp.com/t5/i-MX-Processors/Unable-to-read-and-write-on-GSM-Module/m-p/908016#M136868 b36401 2019-05-28T02:58:41Z