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Commit Graph

120 Commits

Author SHA1 Message Date
Zach Eveland
13a269df2e increased bootloader delay to approx. 3.5 s 2011-08-14 14:29:44 -04:00
Zach Eveland
0ecdd723cf diskloader source and binary for 32u4 2011-08-11 10:31:39 -04:00
David A. Mellis
c93fd746c4 Disabling terminal / monitor. 2011-06-29 22:48:07 -04:00
WestfW
c56a1293d7 Oops. Add atmega8.lst/hex and atmega168.lst/hex to controlled files. 2011-06-14 23:57:41 -07:00
WestfW
7b1ee0f1b0 Allow the READ PARAMETER command to return our version number.
(significant size impact: 14 bytes!)

Initialized "address" to eliminate compiler warning (4 bytes!)

Add "atmega168" as a more accurate target name than "diecimila"
(keep diecimila as well for backward compatibility)

Reduce the .hex and .lst targets that are stored in source control
to the three basics: atmega8, atmega168, atmega328.  The other
targets remain in the makefile and makeall, but will need to be
built from source if wanted.  Which should be less of a problem
now that the source is buildable without installing crosspack.
2011-06-14 10:24:27 -07:00
WestfW
e81c1123b6 http://code.google.com/p/arduino/issues/detail?id=368
Optiboot does not support ArduinoasISP programmer.

When avrdude runs and talks to an arduino running ArduinoISP,
it needs the optiboot (entered due to auto-reset) to abort and
start the ArduinoISP "application" when it sees communications
at the wrong serial speed.  Unfortunately, optiboot treats all
unrecognized command characters as "no-ops" and responds/loops
for more commands, leading to a nice loop that never gets to
the sketch.   This patch causes characters received with Framing
errors (the most likely error for speed mis-matches) to NOT
reset the watchdog timer (normally done in getch()), which will
cause the application to start if it continues for "a while."
(tested.  Works!  Running ArduinoISP at speeds as high as 57600
still causes the bootloader to start the sketch (although it fails
later on for other reasons.))
2011-06-13 19:07:07 -07:00
WestfW
ece29c3805 (make sure .hex and .lst are updated as well.) 2011-06-11 03:17:38 -07:00
WestfW
422398e08c Fix errors in LDSECTIONS refactoring
(found during atmega8 testing.)
2011-06-11 03:15:33 -07:00
WestfW
e28b716f88 Update version to reflect previous edit. Sigh. 2011-06-10 23:16:21 -07:00
WestfW
6f7687b0f9 Shrink code by using registers for variables "length" and "address"
http://code.google.com/p/optiboot/issues/detail?id=33

Fix high-value watchdog timeouts on ATmega8
http://code.google.com/p/optiboot/issues/detail?id=38

Change "start app on bad commands" code to start the app via the
watchdog timer, so that the app is always started with the chip
in fully reset state.
http://code.google.com/p/optiboot/issues/detail?id=37
2011-06-10 23:02:25 -07:00
WestfW
00706284de Add a version number to the optiboot source and binary.
http://code.google.com/p/arduino/issues/detail?id=554

end of flash memory where they can be read (at least in theory) by
device programmers, hex-file examination, or application programs.
This is done by putting the version number in a separate section
(".version"), and using linker/objcopy magic to locate that section as
appropriate for the target chip.  (See
http://lists.gnu.org/archive/html/avr-gcc-list/2011-02/msg00016.html
for some discussion on the details.)

Start the version at 4.1 (the last "packaged" version of optiboot was
called version 3, so the "top of source" would be 4.0, and adding the
version number makes 4.1)

Refactor LDSECTION in the Makefile to LDSECTIONS so that multiple
section start addresses can be defined.

Change the _isp makefile definitions to make the bootloader section
readable (but not writable) by the application section.  (This would
need to be done elsewhere as well to handle all bootloader programming
techniques.  Notably Arduino's boards.txt

Note that this change does not change the "code" portion of optiboot
at all.  The only diffs in the .hex files are the added version word
at the end of flash memory.
2011-06-10 17:47:47 -07:00
WestfW
d4632cb095 Update shell script makeall 2011-06-10 16:29:34 -07:00
WestfW
e2812ef91c This is a relatively significant edit that brings the Arduino copy of
optiboot up-to-date with the optiboot source repository as of Jun-2011
(the last changes made in the optiboot repository were in Oct-2010)

This adds support for several plaforms, fixes the "30k bug", and
refactors the source to have separate stk500.h, boot.h, and pin_defs.h

These are the arduino opticode issues fixed:
http://code.google.com/p/arduino/issues/detail?id=380
    optiboot has problems upload sketches bigger than 30 KB
http://code.google.com/p/arduino/issues/detail?id=556
    update optiboot to the point of the latest optiboot project sources.

These are issues that had been solved in the optiboot source aready:
http://code.google.com/p/arduino/issues/detail?id=364
   optiboot leaves timer1 configured when starting app, breaks PWM on
   pin 9 and 10.  (fixed with a workaround in arduino core.)
   aka http://code.google.com/p/optiboot/source/detail?r=c778fbe72df6ac13ef730c25283358c3c970f73e
   Support for ATmega8 and mega88.
   Fix fuse settings for mega168 _ISP targets
   Additional new platforms (mega, sanguino)

http://code.google.com/p/optiboot/issues/detail?id=26
   Set R1 to 0  (already in arduino code)
http://code.google.com/p/optiboot/issues/detail?id=36&can=1
   Fails to build correctly for mega88

After this commit, the only differences between the Arduino optiboot.c
and the optiboot repository optiboot.c are cosmetic.
2011-06-10 16:17:13 -07:00
WestfW
6840b77643 http://code.google.com/p/arduino/issues/detail?id=517
Remove the trailing comments when setting fuse values for the various
*_isp targets, so that they won't cause avrdude errors.

This was done the same way as in the optiboot source tree:
http://code.google.com/p/optiboot/issues/detail?id=17
http://code.google.com/p/optiboot/source/detail?r=005fb033fc08c551b2f86f7c90c5db21549b3f20
2011-06-09 22:57:27 -07:00
WestfW
2d2ed324b4 Makefile modification to allow building optiboot in more environments.
Allows building within the Arduino Source tree, and within the Arduino
IDE tree, as well as using CrossPack on Mac.

Adds README.TXT to track arduino-specific changes (and documents the
new build options.)

This addresses Arduino issue:

  http://code.google.com/p/arduino/issues/detail?id=487

And optiboot issue

  http://code.google.com/p/optiboot/issues/detail?id=1

(which can be thought of as a subset of the Arduno issue.)

Note that the binaries produced after these Makefile changes (using any
of the compile environments) are identical to those produced by the
crosspack-20100115 environment on a Mac.
2011-06-09 22:36:05 -07:00
David A. Mellis
94168bd0f4 Fix to optiboot infinite loop problem.
Explicitly setting R1 to 0 so that the watchdog timer is properly initializing, preventing it from timing out and resetting the processor.

http://code.google.com/p/optiboot/issues/detail?id=26
http://code.google.com/p/arduino/issues/detail?id=446
2011-01-15 13:29:08 +00:00
David A. Mellis
27109e3b1a Adding the Mega 2560 bootloader and boards.txt / boards menu entry. 2010-09-24 10:10:57 -04:00
David A. Mellis
7087bcf5bd Adding optiboot and Arduino Uno boards menu entry. 2010-09-22 09:04:33 -04:00
David A. Mellis
3524387e70 Adding ATmega328 version of the Arduino BT bootloader, along with a Makefile for building it. 2010-08-07 19:48:59 +00:00
David A. Mellis
ab1eb4aaa0 Moving things around. 2009-11-07 17:05:21 +00:00