need help in programming light sensor
hi , can you help me in programming botball because i dont know alot about C language
i need the creater move when its see the light , i tried this code but it doesnt work , can you told me what is the wrong?
// Created on Sun Feb 26 2012
#include
int main()
{
wait_for_light(0); // light sensor in analog port 0
printf("I have seen the light!\n");
printf("Drive Straight\n"); // announce the program
sleep(1.0); // wait 1 second
while (create_connect()); // Open the connection between CBC and Create
// As long as the create has not driven 1m
while (get_create_distance(0.1) < 1000)
{
create_drive_direct(250,250); // Drive forward at 250mm/sec
}
create_stop(); // Stop the Create
create_disconnect(); // Disconnect the Create
printf("All Done\n"); // Tell user program has finished
return 0;
}
Hi, welcome to the Botball Community!
"It doesn't work" doesn't help in diagnosing your problem; please tell us (a) what behavior you are expecting, and (b) what behavior you are observing.
Also, please don't ask for help on the Botballer's Chat and leave less than 2 minutes later. Had you stayed in the chat longer, someone might have answered.
Thanks.
-Jeremy Rand
Senior Programmer, Team SNARC (2012-2013), Norman Advanced (2010-2011), Norman HS (2008-2009), Norman North (2005-2007), Whittier MS (2003-2004)
2012-2013 VP of Tech, 2011 President, Botball YAC (2009-2013)
Mentor, Alcott and Whittier MS
A couple of things. First, having a '#include' with nothing after it will give you a compile error. Removing the '#include' will fix that. Second, you shouldn't put 'create_connect' in a while loop. That line should just be 'create_connect();' Try those and see what happens.
Translation:
Remove the '#include'
change 'while (create_connect());' to 'create_connect();'
-Marty Rand
{
Senior programmer at Norman Advanced Robotics
Former senior programmer at Whittier Middle School
Youth Advisory Council
All around nerd
}
I think the intention of the while loop was to retry a connection if it fails for some reason. create_connect() returns 0 on success, so that should work as intended. Seems a bit overkill to me, but maybe a useful trick if your connection is screwy.
-Jeremy Rand
Senior Programmer, Team SNARC (2012-2013), Norman Advanced (2010-2011), Norman HS (2008-2009), Norman North (2005-2007), Whittier MS (2003-2004)
2012-2013 VP of Tech, 2011 President, Botball YAC (2009-2013)
Mentor, Alcott and Whittier MS
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