Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

TCL language

Hi, I am using tcl to get the user input using stdin. but i dont need to wait till someone provides data. i want to code where i need to wait for 10secs. if the user provides the data then it s...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

How I would do it.

-Get a start time stamp from the system clock

-Create an empty string

-Enter a loop that reads input, but doesn't block. Anything input is joined to the empty string.

-The loop exits when either a return press is read in or the current time minus the start time stamp is greater than or equal to your timeout.

-After the if the string is empty or isn't terminated properly, run the default, otherwise, run decode the user inputted string.

Have a loop joining