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watchdog reset

 
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Michaelc



Joined: 18 Nov 2003
Posts: 14
Location: Ireland

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watchdog reset
PostPosted: Thu Apr 01, 2004 2:08 pm     Reply with quote
Iam trying to reset the pic using the watchdog timer??
What are the main things to be aware of when implementing this?
Guest
PostPosted: Thu Apr 01, 2004 4:14 pm     Reply with quote
Have a look at the links on this thread
http://www.ccsinfo.com/forum/viewtopic.php?p=7697#7697
valemike
Guest
Re: watchdog reset
PostPosted: Thu Apr 01, 2004 10:04 pm     Reply with quote
Michaelc wrote:
Iam trying to reset the pic using the watchdog timer??
What are the main things to be aware of when implementing this?


I've reset other micros (e.g. a powerpc and 680x0) by letting the watchdog timer time out, so I don't think it would be much different with the PIC.

Code:

void graceful_reset(void)
{
     save_stuff_if_you_have_to_in_eeprom();
     disable_interrupts();
     while(1);
}


I don't think there is anything else you should worry about.
valemike
Guest
Re: watchdog reset
PostPosted: Thu Apr 01, 2004 10:04 pm     Reply with quote
Michaelc wrote:
Iam trying to reset the pic using the watchdog timer??
What are the main things to be aware of when implementing this?


I've reset other micros (e.g. a powerpc and 680x0) by letting the watchdog timer time out, so I don't think it would be much different with the PIC.

Code:

void graceful_reset(void)
{
     save_stuff_if_you_have_to_in_eeprom();
     disable_interrupts();
     while(1);
}


I don't think there is anything else you should worry about.
Michaelc



Joined: 18 Nov 2003
Posts: 14
Location: Ireland

View user's profile Send private message

watchdog reset and configuration bits (fuses)
PostPosted: Fri Apr 02, 2004 5:58 am     Reply with quote
Iam using a bootloader, and when i program the chip with the bootloader and turnoff the watchdog timer config bit the program including the bootloader work perfect, however if i turn on the watchdog bit and program the chip again from mplab using promate 2, with the bootloader program, the chip wont download? whats wrong here, and what way should the other configuration bits be set?
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