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Bootloading and UART

 
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bsodmike



Joined: 05 Aug 2006
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Bootloading and UART
PostPosted: Sun Oct 29, 2006 2:14 pm     Reply with quote
Hi,

Quick question. I'm actually planning on using the SFE bootloader and screamer for uploading the hex file (sparkfun.com).

What I want to know is once the bootloader checks for 'new firmware' request, it will load the program - wouldn't the RX/TX (UART) pins of the PIC now fall under the control of the program code, allowing debugging via the usual way?

Cheers,
Mike
PCM programmer



Joined: 06 Sep 2003
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PostPosted: Sun Oct 29, 2006 6:32 pm     Reply with quote
Isn't this really a question for the Sparkfun Bootloader forum ?
http://www.sparkfun.com/cgi-bin/phpbb/viewforum.php?f=12
bsodmike



Joined: 05 Aug 2006
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PostPosted: Sun Oct 29, 2006 7:34 pm     Reply with quote
I was going thru some past posts regarding the CCS bootloader as well as the SFE one. It seems that both release control over the UART and pass it over to the application (which makes a lot of sense) and is the answer I was looking for Smile

That said, as I'm working on a time critical application, it seems that bootloading could cause more problems but I'll give it a try when time permits.
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