Linux les connexions séries tty

Linux les connexions séries tty

Connecter l’adaptateur US/Série et lancer la commande

dmesg |grep tty

[    0.000000] console [tty0] enabled
[    0.902638] 00:01: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[    0.909658] tty tty16: hash matches
[11262.332140] usb 1-5: pl2303 converter now attached to ttyUSB0
[11906.245115] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0
[11995.876126] usb 1-5: pl2303 converter now attached to ttyUSB0
[12130.546731] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0
[12153.545811] usb 1-5: pl2303 converter now attached to ttyUSB0

Les droits

[yannick@yannick-pc scopegrab]$ ls -la /dev/ttyUSB0
crw-rw---- 1 root uucp 188, 0 19 nov.  16:40 /dev/ttyUSB0

Se lier au groupe uucp , ajouter un utilisateur

sudo usermod -a -G uucp $USER

Compilation programme scopegrab Fluke Scopemeter screen capture/datalogger

cd /Documents/technique/scope-fluke/scopegrab
make

Envoi de “screenshot” oscilloscope FLUKE 123 et ordinateur via la liaison série

scopegrab /dev/ttyUSB0 p fluke.ps
convert fluke.ps fluke.png