linux - stty - nastaveni com portu /dev/sttyS0

tomas mainzer t.mainzer na gmail.com
Pondělí Duben 2 11:36:51 CEST 2012


Dobry den,
snazim se z embeded linux zarizeni poslat COM portem nejaka data.
kdyz odeslana data prijmu na PC tak se jevi nahodne narusena.
(viz nize - prijmute byte po odvysilani 256 byte, postupne 00 az FF)
nastaveni portu je nasledujici. mel by nekdo z pritomnych tip kde by
mohl byt zakopan pes?
Diky.
T.M.

nastaveni portu:  stty -aF /dev/ttyS0
speed 115200 baud; rows 0; columns 0;
intr = <undef>; quit = <undef>; erase = <undef>; kill = <undef>; eof = <undef>;
eol = <undef>; eol2 = <undef>; start = <undef>; stop = <undef>; susp = <undef>;
rprnt = <undef>; werase = <undef>; lnext = <undef>; flush = <undef>;
min = 1; time = 0;
-parenb -parodd cs8 -hupcl -cstopb cread clocal -crtscts
-ignbrk -brkint ignpar -parmrk -inpck -istrip -inlcr -igncr -icrnl -ixon -ixoff
-iuclc -ixany -imaxbel
-opost -olcuc -ocrnl -onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0
ff0
-isig -icanon -iexten -echo -echoe -echok -echonl -noflsh -xcase -tostop
-echoprt -echoctl -echoke

prijmuta data (2 pokusy) po odvysilani: cp bytes_00-FF.bin /dev/ttyS0

00010203841566b0e5c6858f8cc7878f
14d5321b94d59635e7c68d5fdec78f1f
202122232425aea72cce9d2fac2d9719
b7e66e66cdcd9b3738393a3b3c3d3e3f
404142434445464748494a4b4c4d4e4f
505152535455565758595a5b5c5d5e5f
606162636465666768696a6b6c6d6e6f
707172737475767778797a7b7c7d7e7f
808182838485868788898a8b8c8d8e8f
909192939495969798999a9b9c9d9e9f
a0a1a2a3a4a5a6a7a8a9aaabacadaeaf
b0b1b2b3b4b5b6b7b8b9babbbcbdbebf
c0c1c2c3c4c5c6c7c8c9cacbcccdcecf
d0d1d2d3d4d5d6d7d8d9dadbdcdddedf
e0e1e2e3e4e5e6e7e8e9eaebecedeeef
f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff


000102030405060708090A0B0C0D0E0F
101112131415161718191A1B1C1D1E1F
202122232425262728292A2B2C2D2E2F
303132333435363738393A3B3C3D3E3F
404142434445464748494A4B4C4D4E4F
505152535455565758595A5B5C5D5E5F
606162636465666768696A6B6C6D6E6F
707172737475767778797A7B7C7D7E7F
808182838485868788898A8BEE8D8ECF
949796979495D6D79CD99E9F9C9D9E9F
A6A1A2A3A4A5F31D4FDFDB67EFF7FF8B
8F979BA7AFBFBFC3CFDFDFE7EBFFFB13
C1C2C3C4C5C6CFCCCDCACFCCCDCECFD8
D9D2DBDCF57F8F97AFBFC7DFFFFFF47C
BC3C5E9EDE5EAFCFEF8FEFCFEF6FF1F6
F3F4F5F6F7FCFCFAFFFFFEFFFF


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