<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css" style="display:none;"></style> </head> <body dir="ltr"> <div id="divtagdefaultwrapper" style="font-size: 12pt; color: rgb(0, 0, 0); font-family: Calibri, Arial, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;" dir="ltr"> <p><span style="font-size: 10pt;">> I'm not sure if this helps, but I noticed that all the letters in</span><br> </p> <div style="color: rgb(0, 0, 0);"><font size="2"><span style="font-size:10pt;"> <div class="PlainText">> "@T*BFLH" are off by one, except T.<br> > In ascii, T is the only letter that is even.<br> > So minicom sems to be zeroing out the last bit of your messages, (A =<br> > ascii 0x41 -> ascii 0x40 = @ and I = ascii 0x49 -> ascii 0x48 -> I).<br> > That's the "what", but I can't think of the "why"...<br> <br> > Have you tried other serial programs (microcom, miniterm.py etc?)<br> <br> > Cheers,<br> > Einar Jón<br> </div> <div class="PlainText"><br> </div> <div class="PlainText">You are correct Einar they do appear to be off by one bit. I set up minicom to use 115200 8N1. I have noticed that if I paste the command into the terminal and press enter, it works. It seems to only happen when I type. Here is how stty shows the serial port configured:</div> <div class="PlainText"><br> </div> <div class="PlainText"> <div># stty -F /dev/ttyACM0 -a</div> <div>speed 9600 baud;stty: /dev/ttyACM0</div> <div> line = 0;</div> <div>intr = ^C; quit = ^\; erase = ^?; kill = ^U; eof = ^D; eol = <undef>;</div> <div>eol2 = <undef>; swtch = <undef>; start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R;</div> <div>werase = ^W; lnext = ^V; flush = ^O; min = 1; time = 0;</div> <div>-parenb -parodd cs8 hupcl -cstopb cread clocal -crtscts</div> <div>-ignbrk -brkint -ignpar -parmrk -inpck -istrip -inlcr -igncr icrnl ixon -ixoff</div> <div>-iuclc -ixany -imaxbel -iutf8</div> <div>opost -olcuc -ocrnl onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0</div> <div>isig icanon iexten echo echoe echok -echonl -noflsh -xcase -tostop -echoprt</div> <div>echoctl echoke</div> <div><br> </div> <div>Since I have a workaround by pasting what's on the clipboard it's at least progress, but I don't know if this is actually preventing modem manager from working correctly.</div> <br> </div> </span></font></div> </div> </body> </html>