Search found 32 matches
Is there anyone in the forum who is presently using docker (or Linux/x64 in general) for Ultibo development? I use Ultibo (compiler + Lazarus) on Linux Mint 17.2 Rafaella 64-bit. It feels like I installed some years ago using the install instructions (the install-script did not excist yet) from the...
mohamed wrote:Hi everybody
any Idea to make stopwatch ( receive start signal from gpio16 , stop signal from gpio21 , and reset from gpio7)
have a look at https://github.com/ultibohub/Examples/tree/master/14-GPIOHandling
- Fri Aug 31, 2018 5:44 am
- Forum: Projects
- Topic: Data Aquisition Box, preferably with ~100kHz@16bit Signal sampling
- Replies: 87
- Views: 6749
I'll see if I can find anywhere we have discussed the ARM timer clock,
Maybe these two are usefull:
fiq design https://ultibo.org/forum/viewtopic.php?f=10&t=306#p1255
Nanosecond timer https://ultibo.org/forum/viewtopic.php?f=13&
I 've been reading about the DataMemoryBarrier instruction on ARM but i 'm not sure about when to use it. If i use my own GPIO pin acces (in Ultibo) writing directly to the GPIO registers do i have to insert a DataMemoryBarrier instruction? I see you do so in e.g. unit BCM2709. As far as i understan...
If I add a startup-code to the end of a unit like e.g. begin HTTPListener:=THTTPListener.Create; HTTPListener.Active:=True; WebStatusRegister(HTTPListener,'','',True); end. should I add a ThreadHalt(0); More general: is the start-code of all the units started in one thread or single threads? Just fo...
Good advice! I made the changes as you proposed. Now I get a response with the expected length. The new problem is the response type is string as I found out by using typeof(xmlhttp.response) in the script. I do set xmlhttp.responceType = 'arraybuffer' in the script. I took a look at the HTTP unit a...
- Sun Jun 17, 2018 11:54 am
- Forum: General
- Replies: 4
- Views: 537
I am trying to send an array to a webpage but something is wrong. In the DoGet function of a THttpDocument i set the Responce.ContentStream pointing to a memorystream. The script receives a readyState switching between 4 and 1 and the status is always 0. The corresponding DoGet function is called mo...