usb driver problem
Thomas McGrath III
mcgrath3 at mac.com
Sat Jan 15 11:18:26 EST 2011
I am having trouble accessing an Arduino Uno attached to my computer via USB.
The device driver shows up as "/dev/tty.usbmodem1a21"
I tried a simple open driver then read from driver then close driver. But Livecode keeps crashing or worse my computer panics and dies.
put "" into field "IOresult"
open driver "/dev/tty.usbmodem1a21" for binary read // tried text read, text update, binary update
read from driver "/dev/tty.usbmodem1a21" for 1 line in 4 second // tried for 3 char in 3 seconds, tried until eof
if it is not "" then
put "it: " & it into field "IOresult"
put "result: " & the result into field "IOresult"
close driver "/dev/tty.usbmodem1a21"
I just want to read data that is being sent from the board. In Arduino there is a serial monitor which does read the data coming from the board. It is a bunch of numbers one per line as in 1023 then 992 then 992 etc.
I can't seem to figure out what I am doing wrong. This seems pretty straight forward.
I sent an email to Mark Weider but then thought that others might also have ideas.
-- Tom McGrath III
3mcgrath at comcast.net
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