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Program won't run after power is cycled

 
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AllanG
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Program won't run after power is cycled
PostPosted: Sun Dec 20, 2009 8:34 pm     Reply with quote
I'm new to CCS compilers and have encountered a strange problem

I can write a program with PCWH, load it with my PicKit2 programmer, and the program runs correctly. I'm using an 18f2320.

I'm using an external power supply, and if I cycle the power the PIC won't restart. It just sits there doing absolutely nothing.

I have the HEX file of another program that runs and power cycles correctly, so I know the hardware is OK.

Unfortunately, the working source code was in the programmer's thumb drive when he stormed out of the building 2 weeks ago, so I can't just copy the configuration bits and other information from the good program.

Anybody ever seen anything like this?
Thanks, Al
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Sun Dec 20, 2009 9:06 pm     Reply with quote
Quote:

Unfortunately, the working source code was in the programmer's thumb drive

You can read the PIC into MPLAB (using the Programmer / Read menu)
and then look at the Config bits ("fuses" in CCS) in the Configure /
Configuration Bits menu. You can look at the (ASM) code in the View /
Program Memory menu.

Make sure you select the correct PIC in the Configure / Select Device
menu, before you do this.

Also select your Pickit 2 programmer in the Programmer / Select
Programmer menu.
AllanG
Guest
Program won't run after power
PostPosted: Mon Dec 21, 2009 5:18 pm     Reply with quote
Thanks for the advice, PCM programmer.

I'll give it a try.

Al
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