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  Topic: Need Help on PIC16F877A
misaeldv

Replies: 10
Views: 7136

PostForum: General CCS C Discussion   Posted: Thu Sep 13, 2007 8:49 pm   Subject: Need Help on PIC16F877A
What kind of problems are you facing?
  Topic: Linear actuator - Sinusoidal motion
misaeldv

Replies: 6
Views: 7710

PostForum: General CCS C Discussion   Posted: Thu Sep 13, 2007 9:14 am   Subject: Linear actuator - Sinusoidal motion
Thanks, just a couple more questions to clarify my issue. I just looked in the compiler help and it says that by default the only signed type is long, but that int16 can also be declared as signed if ...
  Topic: Linear actuator - Sinusoidal motion
misaeldv

Replies: 6
Views: 7710

PostForum: General CCS C Discussion   Posted: Thu Sep 13, 2007 7:21 am   Subject: Linear actuator - Sinusoidal motion
So what you're saying is that I am not allowed to decrement, or that int16 doesn't go negative?
Thanks
  Topic: Linear actuator - Sinusoidal motion
misaeldv

Replies: 6
Views: 7710

PostForum: General CCS C Discussion   Posted: Wed Sep 12, 2007 7:40 pm   Subject: Linear actuator - Sinusoidal motion
Ok, I finally got it to approximate a sinusoid, however my current test code is giving me some problem which I cannot reason out. Basically the curve going down is just the opposite of the one up, so ...
  Topic: Reading port A
misaeldv

Replies: 8
Views: 6131

PostForum: General CCS C Discussion   Posted: Fri Aug 31, 2007 5:49 am   Subject: Reading port A
Thanks, that makes a lot more sense, just one more question wouldn't shift right be the opposite?

controller = (input_a() & 0x0E) << 1;

Thanks
  Topic: Reading port A
misaeldv

Replies: 8
Views: 6131

PostForum: General CCS C Discussion   Posted: Wed Aug 29, 2007 10:33 pm   Subject: Reading port A
So, will this theoretically work in a switch statement? I tried it, but it seems to be doing random things.
Basically I'm not using A4 or A5, and A0 is being used as a switch, only A1 - A3 are being ...
  Topic: Reading port A
misaeldv

Replies: 8
Views: 6131

PostForum: General CCS C Discussion   Posted: Wed Aug 29, 2007 11:50 am   Subject: Reading port A
Sorry about that, it should be 6 bits for port A, A0 - A5;

int8 x;
x = input_a();

would x be as follows?
x = 00A5A4A3A2A1A0

Thanks.
  Topic: Reading port A
misaeldv

Replies: 8
Views: 6131

PostForum: General CCS C Discussion   Posted: Wed Aug 29, 2007 11:42 am   Subject: Reading port A
Hi, I have a question about reading port A, it is only 5 pins, which will be 5 bits (right). My question is if I read this into an int8, what would I get.
Will it be as follows?
Pin A1 is high,
Pi ...
  Topic: Linear actuator - Sinusoidal motion
misaeldv

Replies: 6
Views: 7710

PostForum: General CCS C Discussion   Posted: Tue Jul 31, 2007 9:06 am   Subject: Linear actuator - Sinusoidal motion
Hi, I'm using a linear stepper motor (stepper motor coupled to a lead screw) to drive a certain load and everything is working fine, however I'm getting a triangular wave when I am really interested i ...
  Topic: Weird Loop Problem
misaeldv

Replies: 3
Views: 4261

PostForum: General CCS C Discussion   Posted: Wed May 23, 2007 10:19 am   Subject: Weird Loop Problem
Thanks, that did it. I guess it wasn't weird after all, just a mistake on my part.
  Topic: Weird Loop Problem
misaeldv

Replies: 3
Views: 4261

PostForum: General CCS C Discussion   Posted: Wed May 23, 2007 9:17 am   Subject: Weird Loop Problem
Hi, I'm having a problem with my for loop, the compiler is complaining that it is an endless loop (and it is indeed since the code that I have after that loop does not execute). I tried doing a while ...
 
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