device type

[vin]

Dear Sir,
The following code shows the error message "can not change the device type so far into this code". but when i deleted the below code and retype it again the error message goes. but after two or three compile without doing any change the error message again appears. is it ccs compiler misbehaviong?


#include <16F877A> #DEVICE ADC=10 *=16
#FUSES XT,WDT,NOPROTECT,BROWNOUT,PUT,NOLVP
#use delay(clock=2000000)

[theteaman]

are you sure you want #device adc=10 *=16?? doesn't seem to make sense to me?

[PCM programmer]

The #device line should go directly below the #include line.
Also, no spaces should be present between any of the characters
in the sequences of "ADC=10" or "*=16". If you put a space
in there, you will get an instant "Can't change device this far
into code" error.

#include <16F877A.H>
#DEVICE ADC=10 *=16
#FUSES XT,WDT,NOPROTECT,BROWNOUT,PUT,NOLVP
#use delay(clock=2000000)

Also, are you really running at 2 MHz as shown in your post ?
Or is supposed to be 20 MHz ? If so, you need to be using the HS
fuse instead of XT.

Do you really need to run the Watchdog Timer ? You have it enabled.
If you enable it, then you need to place a restart_wdt() statement
(or more than one statement) in your program at appropriate locations.
I recommend using NOWDT, until you understand this better.