Serial port (/dev/ttySX) question.

Rod Haper rhaper at
Sun Jan 31 03:39:18 UTC 2010

On 01/30/2010 07:03 PM, Mikkel wrote:
> On 01/30/2010 06:25 PM, Gene Heskett wrote:
>> Q?  This code uses the 'sleep(1)' call to time its repeat scans.  It is using 
>> no cpu as its the bottom item on an htop sorted by use report.
>> I assume I can go into the tarball and change those 2 sleep calls to 
>> sleep(0.05) to get 20 scans a second?  I'm going to try it anyway & see if it 
>> will still build.
> Nope - sleep only accepts an integer value. Using sleep, 1 second it
> the best you will get.
> Mikkel

He probably wants usleep() which sleeps for microsecond intervals.


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