aboutsummaryrefslogtreecommitdiff
path: root/bootloaders
AgeCommit message (Collapse)Author
2011-06-10Shrink code by using registers for variables "length" and "address"WestfW
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
2011-06-10Add a version number to the optiboot source and binary.WestfW
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.
2011-06-10Update shell script makeallWestfW
2011-06-10This is a relatively significant edit that brings the Arduino copy ofWestfW
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.
2011-06-09http://code.google.com/p/arduino/issues/detail?id=517WestfW
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
2011-06-09Makefile modification to allow building optiboot in more environments.WestfW
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.
2011-01-15Fix to optiboot infinite loop problem.David A. Mellis
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
2010-09-24Adding the Mega 2560 bootloader and boards.txt / boards menu entry.David A. Mellis
2010-09-22Adding optiboot and Arduino Uno boards menu entry.David A. Mellis
2010-08-07Adding ATmega328 version of the Arduino BT bootloader, along with a Makefile ↵David A. Mellis
for building it.
2009-05-08Adding ATmega328 bootloader for the Pro and Pro Mini running at 8 MHz ↵David A. Mellis
(3.3V). Uses the USART0 double speed mode, which according to Nathan from Sparkfun, is necessary to achieve reliable communication at 57600 baud.
2009-03-25Adding support for the Arduino Mega (ATmega1280) to the core and bootloader.David A. Mellis
2009-03-24Renaming atmega168 bootloader directory to atmega since it's no longer ↵David A. Mellis
atmega168 specific. Updating boards.txt accordingly.
2008-11-26Setting atmega328 bootloader baud rate to 57600 (for now) and adding isp ↵David A. Mellis
targets to makefile (e.g. diecimila_isp, atmega328_isp).
2008-11-09Adding ATmega328 support.David A. Mellis
2008-10-11* Updating version number to 0013.David A. Mellis
* Updating ATmega168 bootloader to work with standard distributions of avrdude (responding to signature requests made with the universal SPI command) and correctly store EEPROM data. Thanks to ladyada. * Changing compilation process to generate .eep file and allow for use of EEMEM directive (although not yet uploading EEPROM data).
2008-10-11Reindenting the ATmega168 bootloader file. It was a mess (and still is ↵David A. Mellis
somewhat of one).
2008-09-06Incorporating ladyada's watchdog timer changes into the bootloader source, ↵David A. Mellis
but only compiling them in for the Pro and Pro Mini (since Nathan includes them in the bootloader he burns to the board). Added a WATCHDOG_MODS flag to the Makefile to specify that they should be included. Recompiled the pro .hex file to include them.
2008-08-16Adding Nano and Pro (8 MHz) to boards.txt file; updating Makefile for ↵David A. Mellis
atmega168 bootloader based on Nathan's changes to allow for customizing of more parameters per-board; including Pro 8 MHz .hex compiled bootloader file; not updating the Diecimila or NG .hex files.
2007-10-09Adding LilyPad bootloader and adding LilyPad to board definition file.David A. Mellis
2007-10-06Moving bootloaders into the hardware/bootloaders directory.David A. Mellis