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Yom Kippur
Joined: 22 Jul 2014
Posts: 3
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| Problem bootloader more timer0 |
 Posted: Tue Jul 22, 2014 7:21 pm |
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Hello,
I have a problem with the code:
| Code: |
#include <18f4550.h>
#build (reset=0x400, interrupt=0x408) //***Problem
#org 0x000, 0x3FF //***Problem
#use delay(clock=48000000)
#use rs232(baud=57600, parity=N, xmit=PIN_C6, rcv=PIN_C7, bits=8)
#fuses MCLR
#FUSES HSPLL
#FUSES PLL5
#FUSES NOPROTECT
#int_timer0
void trata_timer0 ()
{
int1 teste;
int32 x;
set_timer0(147+get_timer0());
x++;
if (x == 100000)
{
x = 0;
teste = !teste;
output_bit (pin_e2, teste);
}
}
void main ()
{
setup_timer_0 ( RTCC_8_BIT | RTCC_DIV_1 );
set_timer0(147);
enable_interrupts (global | int_timer0);
while (true);
}
If out the code:
//#build (reset=0x400, interrupt=0x408) //***Problem
//#org 0x000, 0x3FF //***Problem |
The 18F4550 is run normally.
How solve this problem? Because, others code run normally.
In moment this is unique code with problem.
Best regards. |
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Yom Kippur
Joined: 22 Jul 2014
Posts: 3
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jeremiah
Joined: 20 Jul 2010
Posts: 1342
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| Posted: Thu Jul 24, 2014 1:40 pm |
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You have a typo in the code you copied from that site. Look at the #org line again on their site and compare it to yours.
EDIT:
Also, your fuses don't match those of the bootloader. That can be very dangerous. Try #fuses NONE in your code instead of the fuses you have. |
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Yom Kippur
Joined: 22 Jul 2014
Posts: 3
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| Posted: Thu Jul 24, 2014 7:26 pm |
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Hello jeremiah,
Many,many, thank for reply.
Sorry for error in code
#build (reset=0x400, interrupt=0x408)
#org 0, 0x3FF {}
I change on ccs and error equal. But I take out all fuses of code, and run in real life. On isis the program report for me the error (stack overflow is forcing device reset).
Maybe is a small adjust in code for run perfect in isis and real life.
I try make one led on 1 second after off 1 second.
I am very intrigued because when put the code of bootloader program not run in isis, and others codes ADC, LCD and more not problem on proteus or real life.
I wait one person that usage equal bootloader for test this simple code, and reply for this error, I really not understand what is happening.
More one time, many thanks for you helping me.
Best Regards,
Yom Kippur |
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