Just placed an order at proto-pic.co.uk.
Okay, gps is ordered, now i am busy with the code… gps code is near ready. but need to adjust the code for the car.
Question;
North = 0 or 360 degrees.
South = 180 degrees.
When i am heading about 270 degrees (=east) and the bearing (target destination) is 280, the difference is -10 (270-280), so i know when the number is negative, need to go left.
When i am heading 270 degrees, and the bearing is 260, i know the car needs to go to the right, difference is +10 (270-260), the number is positive.
But. When i am heading 350 (almost north), and the new bearing is 5, calculate this, 350-5 = +345, in my current code, the car thinks, he needs to go right, but the bearing is near to hist left.
How do i solve this?
Thanks!
if greater than 180, then you can “get” there in the opposite direction.
Not always, if you have a heading of 170 and your bearing is 190, is difference of -20,is left, don’t get the opposite direction.
Thinking, thinking, thinking…
Or do you mean, when the difference is greater then 180, get the opposite direction?
yes, the difference.
-360 to -180 means right turn 360+X degrees
-180 to 0 means left turn X degrees
0 to 180 means right turn X degress
180 to 360 means left turn 360-X degrees
The way to do this is do Error = Error - 360, for all values of error.
This will make error in the range of -180 < Error < 180, and make it behave how you want it to.
Thank you!
They just deliverd the GPS. Now i need some solder-stuff to assemble the wires :S
That’s pretty simple. It should not be hard.
I will add you on MSN, so you can ask questions if needed. 
MSN?? I haven’t installed MSN for years
Just bought the solder-stuff, now it’s time to assamble! woohoo ;D
Lol, we spent hours on MSN two years ago or so. 
your address was colin@ cre8ion ?
Good luck, if you need help just ask
Foekie, you’re right, i remember I helped you couple if times with rs232 connections 
Just soldered the wires. It’s time to check the connection
Haha. You mean “with my very bad visual basic hexapod application” lol
That was when I started programming :-[
Cool. Don’t forget to post the driver + a video 8)
Hexapod, lol, yeah 8)
Driver could be nice Video is awesome!
Will post video as soon my first test drive is done
Another question. What does this mean (pops up every 20 secs):
[quote]GC: 3msec 27336 bytes used, 37044 bytes available
Type 0F (STRING ): 120 bytes
Type 11 (CLASS ): 2616 bytes
Type 12 (VALUETYPE ): 120 bytes
Type 13 (SZARRAY ): 2268 bytes
Type 15 (FREEBLOCK ): 37044 bytes
Type 16 (CACHEDBLOCK ): 120 bytes
Type 17 (ASSEMBLY ): 16992 bytes
Type 18 (WEAKCLASS ): 48 bytes
Type 19 (REFLECTION ): 24 bytes
Type 1B (DELEGATE_HEAD ): 396 bytes
Type 1D (OBJECT_TO_EVENT ): 168 bytes
Type 1E (BINARY_BLOB_HEAD ): 660 bytes
Type 1F (THREAD ): 768 bytes
Type 20 (SUBTHREAD ): 96 bytes
Type 21 (STACK_FRAME ): 612 bytes
Type 27 (FINALIZER_HEAD ): 264 bytes
Type 31 (IO_PORT ): 216 bytes
Type 34 (APPDOMAIN_HEAD ): 72 bytes
Type 36 (APPDOMAIN_ASSEMBLY ): 1776 bytes[/quote]
That’s the garbage collector.
You can disable it by adding the following code inside your main method:
Debug.EnableGCMessages(false);
Good luck
w000000000000000000000000000000t
GPS IS WORKING!
Cannot read coordinates at the moment, pc inside, need gps outside :S
How i know i got signal?
while (FEZ_Objects.GPS.IsValid() == false)
{
Thread.Sleep(5000);
GPS_Utility.GetLocation();
}
//
// Start Flashing
//
FEZ_Objects.FlashLED.Start();
So, the onboad LED is going to flash when gps got signal
Tomorrow is the big test. on a big clear parking lot, get the 4 corners as coordinates, and let the car drive. i allready programmed the code last few weeks.
To be continued
Cool! I am curious now ;D
If you’re using the GPGLL setence, you can use the last field, which will show as A, V or D when you have a lock, it will give N or something like that when you don’t have a valid lock - google it.
Yes, a question left: which sentence are you using anyway?