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5440
Joined: 08 Feb 2009 Posts: 11
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Error 76 Expect ; ......Warning code has no effect (SOLVED) |
Posted: Mon Jan 24, 2011 10:45 pm |
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I'm using ver 4.106 on a PIC18F2585
The code compiles and runs fine, but when I add a CCS delay
delay_ms(500);
I get the error 76...Expect; along with warning 207 "code has no effect"
I have #use delay (clock=20000000) defined near the top of the code.
I have used the delay_ms(); routine without issue on 16F devices but first time on a 18F device.
Without posting code (because I'm lazy), does this look familar to anyone?
Last edited by 5440 on Tue Jan 25, 2011 10:23 pm; edited 1 time in total |
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gpsmikey
Joined: 16 Nov 2010 Posts: 588 Location: Kirkland, WA
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Posted: Mon Jan 24, 2011 11:26 pm |
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Not off hand - I'm using the 18F14K22 with no issues like that - my clock is:
#use delay(clock=8000000) // configure for 8mhz clock
and down in the code I have:
delay_ms(3000); // time to read message.
with no issues. Recognize though that C compilers are notorious for letting you know when they realize they are confused - not necessarily where the error really is. I would look at the lines just above to make sure there is nothing there that is tripping it up.
mikey (compiler 4.114) _________________ mikey
-- you can't have too many gadgets or too much disk space !
old engineering saying: 1+1 = 3 for sufficiently large values of 1 or small values of 3 |
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5440
Joined: 08 Feb 2009 Posts: 11
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Posted: Mon Jan 24, 2011 11:47 pm |
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Still get the error if I move the delay around in main.
Remove it and all is good. I started removing functions and no change, I will start trimming the code to bare bones until I solve it. |
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Ttelmah
Joined: 11 Mar 2010 Posts: 19537
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Posted: Tue Jan 25, 2011 3:34 am |
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Normally, if the #use delay definition is wrong. 'delay', will give an 'undefined identifier' error.
The fact that moving the statement, doesn't change things, suggests the fault is not an earlier syntax error.
I'd suggest that possibly you have a #define, that uses the keyword 'delay' somewhere, so that when you type 'delay_ms', you are actually getting something else substituted.
Load something dead basic. A 'ten liner'. Minimum, include file for processor, fuses, delay statement, and a simple set pin, delay, clear pin, while loop.
If this gives the same problem, post it, and if this works for other people, then try reinstalling your compiler. However if it works, then start dismantling the main code to see what is wrong...
Best Wishes |
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5440
Joined: 08 Feb 2009 Posts: 11
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Posted: Tue Jan 25, 2011 10:21 pm |
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Ttelmah wrote: | Normally, if the #use delay definition is wrong. 'delay', will give an 'undefined identifier' error.
The fact that moving the statement, doesn't change things, suggests the fault is not an earlier syntax error.
I'd suggest that possibly you have a #define, that uses the keyword 'delay' somewhere, so that when you type 'delay_ms', you are actually getting something else substituted.
Load something dead basic. A 'ten liner'. Minimum, include file for processor, fuses, delay statement, and a simple set pin, delay, clear pin, while loop.
If this gives the same problem, post it, and if this works for other people, then try reinstalling your compiler. However if it works, then start dismantling the main code to see what is wrong...
Best Wishes |
Ttelmah you were correct. I had a #Define with delay_ms. Don't know how I missed it, but good job on you! |
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