RoboSavvy Forum

RoboBASIC Comms Speeds?

2007-12-10T21:46:43+01:00

I thinks this is due to the speed of RoboBasic running bit-banged I2C.

You could speed this up using i-Bots flash upgrade.

Statistics: Posted by NovaOne — Mon Dec 10, 2007 9:46 pm

RoboBASIC Comms Speeds?

2007-12-10T21:24:29+01:00

I've been working with Java and my RN through bluetooth for the past three months. Till now I only used 9600 since all I wanted was to transfer and receive byte values. Now I need more speed since I am also transferring simple phrases to the RN so that he can speak through the SP03 module. However it is taking over 7 seconds from the time the program issues the phrase till it is outputted by the SP03 in the robot. When I tried to communicate with speeds faster than 9600 nothing happens. I think that this is something that has to do with what you're discussing here.

Charles

Statistics: Posted by JavaRN — Mon Dec 10, 2007 9:24 pm

RoboBASIC Comms Speeds?

2007-12-10T00:37:57+01:00

I would expect that working at 230.4K is OK, but the problem is that only a single byte is buffered by the interface. Robobasic will only look for a received character when it can. This is every few millisecond, so operation over 19.2K is likely of low return.

Statistics: Posted by i-Bot — Mon Dec 10, 2007 12:37 am

RoboBASIC Comms Speeds?

2007-12-09T22:26:55+01:00

The manual states that ERX/ETX max speed is 230400 baud, this should be fast enough for almost anything, but I realize that Robobasic is a slow interpreted language, so using the highest speed comms setting may not help?
So my question is whats the max reliable and useful speed for ERX/ETX comms ?

Statistics: Posted by NovaOne — Sun Dec 09, 2007 10:26 pm