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Dangerous Prototypes

Dangerous Prototypes => Bus Pirate Development => Topic started by: ian on January 24, 2010, 03:23:21 pm

Title: Bootloader v4.3 development
Post by: ian on January 24, 2010, 03:23:21 pm
Thought I'd start a new thread for v4.3 bootloader progress.

Things changed so far:
*Universal installer for v2/v4 (still have config words issue)
*Timeout with reset
*Reset tests for jumper before jumping to user app
*Correct placement for v2 upgrades

Things on the wish list:
*Print 'BOOTLOADER' if bad hello (helps user know they are talking to the bootloader in a terminal)
Title: Re: Bootloader v4.3 development
Post by: Sjaak on January 24, 2010, 08:42:11 pm
replaces lines 550-553

Code: [Select]
       btsc WFWJUMP, #0  ; skip next if not jump from firmware
       bra  blmsg
       btss PORTB, RB1    ; skip next if jumper is not place
       bra setup

blmsg: SendL #0x42 ; B
       SendL #0x4F ;o
       SendL #0x4F ;o
       SendL #0x54 ;t
       SendL #0x4c ;l
       SendL #0x4F ;o
       SendL #0x41 ;a
       SendL #0x44 ;d
       SendL #0x45 ;e
       SendL #0x52 ;r
       bra setup

Edit: doesn't this upset the loader? It doesn't use any of the 'reserved' responses though..
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