├── DualOptiboot_V5.0_atmega1284p_BlinkD15.hex
├── DualOptiboot_V5.0_atmega328_BlinkD9.hex
├── Dualoptiboot_v5.0_atmega328_12mhz_BlinkD9.hex
├── Dualoptiboot_v5.0_atmega328_8mhz_57600baud_BlinkD9.hex
├── License.txt
├── Makefile
├── Optiboot.c
├── README.md
└── pin_defs.h
/DualOptiboot_V5.0_atmega1284p_BlinkD15.hex:
--------------------------------------------------------------------------------
1 | :020000021000EC
2 | :10FC00001124C4B714BEC1FD07C0C3FD0DD18CB50E
3 | :10FC10008F7A8CBD8C2FCFD185E08093810082E0DC
4 | :10FC20008093C00088E18093C10086E08093C20089
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60 | :10FFA00038DFFFCF84E120CFCF93C82F24DFC150AB
61 | :10FFB000E9F7CF91F1CF282E80E02BDFEE27FF2746
62 | :02FFC0000994A2
63 | :02FFFE000005FC
64 | :040000031000FC00ED
65 | :00000001FF
66 |
--------------------------------------------------------------------------------
/DualOptiboot_V5.0_atmega328_BlinkD9.hex:
--------------------------------------------------------------------------------
1 | :107C00001124C4B714BEC1FD07C0C3FD0AD18CB591
2 | :107C10008F7A8CBD8C2FD0D185E08093810082E05B
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61 | :047FC000FF270994FA
62 | :027FFE0000057C
63 | :0400000300007C007D
64 | :00000001FF
65 |
--------------------------------------------------------------------------------
/Dualoptiboot_v5.0_atmega328_12mhz_BlinkD9.hex:
--------------------------------------------------------------------------------
1 | :107C00001124C4B714BEC1FD07C0C3FD0AD18CB591
2 | :107C10008F7A8CBD8C2FD0D185E08093810082E05B
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63 | :0400000300007C007D
64 | :00000001FF
65 |
--------------------------------------------------------------------------------
/Dualoptiboot_v5.0_atmega328_8mhz_57600baud_BlinkD9.hex:
--------------------------------------------------------------------------------
1 | :107C00001124C4B714BEC1FD07C0C3FD0AD18CB591
2 | :107C10008F7A8CBD8C2FD0D185E08093810082E05B
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63 | :0400000300007C007D
64 | :00000001FF
65 |
--------------------------------------------------------------------------------
/License.txt:
--------------------------------------------------------------------------------
1 | GNU GENERAL PUBLIC LICENSE
2 | Version 3, 29 June 2007
3 |
4 | Copyright (C) 2007 Free Software Foundation, Inc.
5 | Everyone is permitted to copy and distribute verbatim copies
6 | of this license document, but changing it is not allowed.
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11 | software and other kinds of works.
12 |
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16 | share and change all versions of a program--to make sure it remains free
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18 | GNU General Public License for most of our software; it applies also to
19 | any other work released this way by its authors. You can apply it to
20 | your programs, too.
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66 | patents cannot be used to render the program non-free.
67 |
68 | The precise terms and conditions for copying, distribution and
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70 |
71 | TERMS AND CONDITIONS
72 |
73 | 0. Definitions.
74 |
75 | "This License" refers to version 3 of the GNU General Public License.
76 |
77 | "Copyright" also means copyright-like laws that apply to other kinds of
78 | works, such as semiconductor masks.
79 |
80 | "The Program" refers to any copyrightable work licensed under this
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92 | To "propagate" a work means to do anything with it that, without
93 | permission, would make you directly or secondarily liable for
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112 | 1. Source Code.
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150 |
151 | The Corresponding Source for a work in source code form is that
152 | same work.
153 |
154 | 2. Basic Permissions.
155 |
156 | All rights granted under this License are granted for the term of
157 | copyright on the Program, and are irrevocable provided the stated
158 | conditions are met. This License explicitly affirms your unlimited
159 | permission to run the unmodified Program. The output from running a
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161 | content, constitutes a covered work. This License acknowledges your
162 | rights of fair use or other equivalent, as provided by copyright law.
163 |
164 | You may make, run and propagate covered works that you do not
165 | convey, without conditions so long as your license otherwise remains
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174 |
175 | Conveying under any other circumstances is permitted solely under
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179 | 3. Protecting Users' Legal Rights From Anti-Circumvention Law.
180 |
181 | No covered work shall be deemed part of an effective technological
182 | measure under any applicable law fulfilling obligations under article
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186 |
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192 | users, your or third parties' legal rights to forbid circumvention of
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195 | 4. Conveying Verbatim Copies.
196 |
197 | You may convey verbatim copies of the Program's source code as you
198 | receive it, in any medium, provided that you conspicuously and
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200 | keep intact all notices stating that this License and any
201 | non-permissive terms added in accord with section 7 apply to the code;
202 | keep intact all notices of the absence of any warranty; and give all
203 | recipients a copy of this License along with the Program.
204 |
205 | You may charge any price or no price for each copy that you convey,
206 | and you may offer support or warranty protection for a fee.
207 |
208 | 5. Conveying Modified Source Versions.
209 |
210 | You may convey a work based on the Program, or the modifications to
211 | produce it from the Program, in the form of source code under the
212 | terms of section 4, provided that you also meet all of these conditions:
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214 | a) The work must carry prominent notices stating that you modified
215 | it, and giving a relevant date.
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220 | "keep intact all notices".
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222 | c) You must license the entire work, as a whole, under this
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226 | regardless of how they are packaged. This License gives no
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229 |
230 | d) If the work has interactive user interfaces, each must display
231 | Appropriate Legal Notices; however, if the Program has interactive
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233 | work need not make them do so.
234 |
235 | A compilation of a covered work with other separate and independent
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237 | and which are not combined with it such as to form a larger program,
238 | in or on a volume of a storage or distribution medium, is called an
239 | "aggregate" if the compilation and its resulting copyright are not
240 | used to limit the access or legal rights of the compilation's users
241 | beyond what the individual works permit. Inclusion of a covered work
242 | in an aggregate does not cause this License to apply to the other
243 | parts of the aggregate.
244 |
245 | 6. Conveying Non-Source Forms.
246 |
247 | You may convey a covered work in object code form under the terms
248 | of sections 4 and 5, provided that you also convey the
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250 | in one of these ways:
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252 | a) Convey the object code in, or embodied in, a physical product
253 | (including a physical distribution medium), accompanied by the
254 | Corresponding Source fixed on a durable physical medium
255 | customarily used for software interchange.
256 |
257 | b) Convey the object code in, or embodied in, a physical product
258 | (including a physical distribution medium), accompanied by a
259 | written offer, valid for at least three years and valid for as
260 | long as you offer spare parts or customer support for that product
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262 | copy of the Corresponding Source for all the software in the
263 | product that is covered by this License, on a durable physical
264 | medium customarily used for software interchange, for a price no
265 | more than your reasonable cost of physically performing this
266 | conveying of source, or (2) access to copy the
267 | Corresponding Source from a network server at no charge.
268 |
269 | c) Convey individual copies of the object code with a copy of the
270 | written offer to provide the Corresponding Source. This
271 | alternative is allowed only occasionally and noncommercially, and
272 | only if you received the object code with such an offer, in accord
273 | with subsection 6b.
274 |
275 | d) Convey the object code by offering access from a designated
276 | place (gratis or for a charge), and offer equivalent access to the
277 | Corresponding Source in the same way through the same place at no
278 | further charge. You need not require recipients to copy the
279 | Corresponding Source along with the object code. If the place to
280 | copy the object code is a network server, the Corresponding Source
281 | may be on a different server (operated by you or a third party)
282 | that supports equivalent copying facilities, provided you maintain
283 | clear directions next to the object code saying where to find the
284 | Corresponding Source. Regardless of what server hosts the
285 | Corresponding Source, you remain obligated to ensure that it is
286 | available for as long as needed to satisfy these requirements.
287 |
288 | e) Convey the object code using peer-to-peer transmission, provided
289 | you inform other peers where the object code and Corresponding
290 | Source of the work are being offered to the general public at no
291 | charge under subsection 6d.
292 |
293 | A separable portion of the object code, whose source code is excluded
294 | from the Corresponding Source as a System Library, need not be
295 | included in conveying the object code work.
296 |
297 | A "User Product" is either (1) a "consumer product", which means any
298 | tangible personal property which is normally used for personal, family,
299 | or household purposes, or (2) anything designed or sold for incorporation
300 | into a dwelling. In determining whether a product is a consumer product,
301 | doubtful cases shall be resolved in favor of coverage. For a particular
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303 | typical or common use of that class of product, regardless of the status
304 | of the particular user or of the way in which the particular user
305 | actually uses, or expects or is expected to use, the product. A product
306 | is a consumer product regardless of whether the product has substantial
307 | commercial, industrial or non-consumer uses, unless such uses represent
308 | the only significant mode of use of the product.
309 |
310 | "Installation Information" for a User Product means any methods,
311 | procedures, authorization keys, or other information required to install
312 | and execute modified versions of a covered work in that User Product from
313 | a modified version of its Corresponding Source. The information must
314 | suffice to ensure that the continued functioning of the modified object
315 | code is in no case prevented or interfered with solely because
316 | modification has been made.
317 |
318 | If you convey an object code work under this section in, or with, or
319 | specifically for use in, a User Product, and the conveying occurs as
320 | part of a transaction in which the right of possession and use of the
321 | User Product is transferred to the recipient in perpetuity or for a
322 | fixed term (regardless of how the transaction is characterized), the
323 | Corresponding Source conveyed under this section must be accompanied
324 | by the Installation Information. But this requirement does not apply
325 | if neither you nor any third party retains the ability to install
326 | modified object code on the User Product (for example, the work has
327 | been installed in ROM).
328 |
329 | The requirement to provide Installation Information does not include a
330 | requirement to continue to provide support service, warranty, or updates
331 | for a work that has been modified or installed by the recipient, or for
332 | the User Product in which it has been modified or installed. Access to a
333 | network may be denied when the modification itself materially and
334 | adversely affects the operation of the network or violates the rules and
335 | protocols for communication across the network.
336 |
337 | Corresponding Source conveyed, and Installation Information provided,
338 | in accord with this section must be in a format that is publicly
339 | documented (and with an implementation available to the public in
340 | source code form), and must require no special password or key for
341 | unpacking, reading or copying.
342 |
343 | 7. Additional Terms.
344 |
345 | "Additional permissions" are terms that supplement the terms of this
346 | License by making exceptions from one or more of its conditions.
347 | Additional permissions that are applicable to the entire Program shall
348 | be treated as though they were included in this License, to the extent
349 | that they are valid under applicable law. If additional permissions
350 | apply only to part of the Program, that part may be used separately
351 | under those permissions, but the entire Program remains governed by
352 | this License without regard to the additional permissions.
353 |
354 | When you convey a copy of a covered work, you may at your option
355 | remove any additional permissions from that copy, or from any part of
356 | it. (Additional permissions may be written to require their own
357 | removal in certain cases when you modify the work.) You may place
358 | additional permissions on material, added by you to a covered work,
359 | for which you have or can give appropriate copyright permission.
360 |
361 | Notwithstanding any other provision of this License, for material you
362 | add to a covered work, you may (if authorized by the copyright holders of
363 | that material) supplement the terms of this License with terms:
364 |
365 | a) Disclaiming warranty or limiting liability differently from the
366 | terms of sections 15 and 16 of this License; or
367 |
368 | b) Requiring preservation of specified reasonable legal notices or
369 | author attributions in that material or in the Appropriate Legal
370 | Notices displayed by works containing it; or
371 |
372 | c) Prohibiting misrepresentation of the origin of that material, or
373 | requiring that modified versions of such material be marked in
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375 |
376 | d) Limiting the use for publicity purposes of names of licensors or
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379 | e) Declining to grant rights under trademark law for use of some
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381 |
382 | f) Requiring indemnification of licensors and authors of that
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386 | those licensors and authors.
387 |
388 | All other non-permissive additional terms are considered "further
389 | restrictions" within the meaning of section 10. If the Program as you
390 | received it, or any part of it, contains a notice stating that it is
391 | governed by this License along with a term that is a further
392 | restriction, you may remove that term. If a license document contains
393 | a further restriction but permits relicensing or conveying under this
394 | License, you may add to a covered work material governed by the terms
395 | of that license document, provided that the further restriction does
396 | not survive such relicensing or conveying.
397 |
398 | If you add terms to a covered work in accord with this section, you
399 | must place, in the relevant source files, a statement of the
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401 | where to find the applicable terms.
402 |
403 | Additional terms, permissive or non-permissive, may be stated in the
404 | form of a separately written license, or stated as exceptions;
405 | the above requirements apply either way.
406 |
407 | 8. Termination.
408 |
409 | You may not propagate or modify a covered work except as expressly
410 | provided under this License. Any attempt otherwise to propagate or
411 | modify it is void, and will automatically terminate your rights under
412 | this License (including any patent licenses granted under the third
413 | paragraph of section 11).
414 |
415 | However, if you cease all violation of this License, then your
416 | license from a particular copyright holder is reinstated (a)
417 | provisionally, unless and until the copyright holder explicitly and
418 | finally terminates your license, and (b) permanently, if the copyright
419 | holder fails to notify you of the violation by some reasonable means
420 | prior to 60 days after the cessation.
421 |
422 | Moreover, your license from a particular copyright holder is
423 | reinstated permanently if the copyright holder notifies you of the
424 | violation by some reasonable means, this is the first time you have
425 | received notice of violation of this License (for any work) from that
426 | copyright holder, and you cure the violation prior to 30 days after
427 | your receipt of the notice.
428 |
429 | Termination of your rights under this section does not terminate the
430 | licenses of parties who have received copies or rights from you under
431 | this License. If your rights have been terminated and not permanently
432 | reinstated, you do not qualify to receive new licenses for the same
433 | material under section 10.
434 |
435 | 9. Acceptance Not Required for Having Copies.
436 |
437 | You are not required to accept this License in order to receive or
438 | run a copy of the Program. Ancillary propagation of a covered work
439 | occurring solely as a consequence of using peer-to-peer transmission
440 | to receive a copy likewise does not require acceptance. However,
441 | nothing other than this License grants you permission to propagate or
442 | modify any covered work. These actions infringe copyright if you do
443 | not accept this License. Therefore, by modifying or propagating a
444 | covered work, you indicate your acceptance of this License to do so.
445 |
446 | 10. Automatic Licensing of Downstream Recipients.
447 |
448 | Each time you convey a covered work, the recipient automatically
449 | receives a license from the original licensors, to run, modify and
450 | propagate that work, subject to this License. You are not responsible
451 | for enforcing compliance by third parties with this License.
452 |
453 | An "entity transaction" is a transaction transferring control of an
454 | organization, or substantially all assets of one, or subdividing an
455 | organization, or merging organizations. If propagation of a covered
456 | work results from an entity transaction, each party to that
457 | transaction who receives a copy of the work also receives whatever
458 | licenses to the work the party's predecessor in interest had or could
459 | give under the previous paragraph, plus a right to possession of the
460 | Corresponding Source of the work from the predecessor in interest, if
461 | the predecessor has it or can get it with reasonable efforts.
462 |
463 | You may not impose any further restrictions on the exercise of the
464 | rights granted or affirmed under this License. For example, you may
465 | not impose a license fee, royalty, or other charge for exercise of
466 | rights granted under this License, and you may not initiate litigation
467 | (including a cross-claim or counterclaim in a lawsuit) alleging that
468 | any patent claim is infringed by making, using, selling, offering for
469 | sale, or importing the Program or any portion of it.
470 |
471 | 11. Patents.
472 |
473 | A "contributor" is a copyright holder who authorizes use under this
474 | License of the Program or a work on which the Program is based. The
475 | work thus licensed is called the contributor's "contributor version".
476 |
477 | A contributor's "essential patent claims" are all patent claims
478 | owned or controlled by the contributor, whether already acquired or
479 | hereafter acquired, that would be infringed by some manner, permitted
480 | by this License, of making, using, or selling its contributor version,
481 | but do not include claims that would be infringed only as a
482 | consequence of further modification of the contributor version. For
483 | purposes of this definition, "control" includes the right to grant
484 | patent sublicenses in a manner consistent with the requirements of
485 | this License.
486 |
487 | Each contributor grants you a non-exclusive, worldwide, royalty-free
488 | patent license under the contributor's essential patent claims, to
489 | make, use, sell, offer for sale, import and otherwise run, modify and
490 | propagate the contents of its contributor version.
491 |
492 | In the following three paragraphs, a "patent license" is any express
493 | agreement or commitment, however denominated, not to enforce a patent
494 | (such as an express permission to practice a patent or covenant not to
495 | sue for patent infringement). To "grant" such a patent license to a
496 | party means to make such an agreement or commitment not to enforce a
497 | patent against the party.
498 |
499 | If you convey a covered work, knowingly relying on a patent license,
500 | and the Corresponding Source of the work is not available for anyone
501 | to copy, free of charge and under the terms of this License, through a
502 | publicly available network server or other readily accessible means,
503 | then you must either (1) cause the Corresponding Source to be so
504 | available, or (2) arrange to deprive yourself of the benefit of the
505 | patent license for this particular work, or (3) arrange, in a manner
506 | consistent with the requirements of this License, to extend the patent
507 | license to downstream recipients. "Knowingly relying" means you have
508 | actual knowledge that, but for the patent license, your conveying the
509 | covered work in a country, or your recipient's use of the covered work
510 | in a country, would infringe one or more identifiable patents in that
511 | country that you have reason to believe are valid.
512 |
513 | If, pursuant to or in connection with a single transaction or
514 | arrangement, you convey, or propagate by procuring conveyance of, a
515 | covered work, and grant a patent license to some of the parties
516 | receiving the covered work authorizing them to use, propagate, modify
517 | or convey a specific copy of the covered work, then the patent license
518 | you grant is automatically extended to all recipients of the covered
519 | work and works based on it.
520 |
521 | A patent license is "discriminatory" if it does not include within
522 | the scope of its coverage, prohibits the exercise of, or is
523 | conditioned on the non-exercise of one or more of the rights that are
524 | specifically granted under this License. You may not convey a covered
525 | work if you are a party to an arrangement with a third party that is
526 | in the business of distributing software, under which you make payment
527 | to the third party based on the extent of your activity of conveying
528 | the work, and under which the third party grants, to any of the
529 | parties who would receive the covered work from you, a discriminatory
530 | patent license (a) in connection with copies of the covered work
531 | conveyed by you (or copies made from those copies), or (b) primarily
532 | for and in connection with specific products or compilations that
533 | contain the covered work, unless you entered into that arrangement,
534 | or that patent license was granted, prior to 28 March 2007.
535 |
536 | Nothing in this License shall be construed as excluding or limiting
537 | any implied license or other defenses to infringement that may
538 | otherwise be available to you under applicable patent law.
539 |
540 | 12. No Surrender of Others' Freedom.
541 |
542 | If conditions are imposed on you (whether by court order, agreement or
543 | otherwise) that contradict the conditions of this License, they do not
544 | excuse you from the conditions of this License. If you cannot convey a
545 | covered work so as to satisfy simultaneously your obligations under this
546 | License and any other pertinent obligations, then as a consequence you may
547 | not convey it at all. For example, if you agree to terms that obligate you
548 | to collect a royalty for further conveying from those to whom you convey
549 | the Program, the only way you could satisfy both those terms and this
550 | License would be to refrain entirely from conveying the Program.
551 |
552 | 13. Use with the GNU Affero General Public License.
553 |
554 | Notwithstanding any other provision of this License, you have
555 | permission to link or combine any covered work with a work licensed
556 | under version 3 of the GNU Affero General Public License into a single
557 | combined work, and to convey the resulting work. The terms of this
558 | License will continue to apply to the part which is the covered work,
559 | but the special requirements of the GNU Affero General Public License,
560 | section 13, concerning interaction through a network will apply to the
561 | combination as such.
562 |
563 | 14. Revised Versions of this License.
564 |
565 | The Free Software Foundation may publish revised and/or new versions of
566 | the GNU General Public License from time to time. Such new versions will
567 | be similar in spirit to the present version, but may differ in detail to
568 | address new problems or concerns.
569 |
570 | Each version is given a distinguishing version number. If the
571 | Program specifies that a certain numbered version of the GNU General
572 | Public License "or any later version" applies to it, you have the
573 | option of following the terms and conditions either of that numbered
574 | version or of any later version published by the Free Software
575 | Foundation. If the Program does not specify a version number of the
576 | GNU General Public License, you may choose any version ever published
577 | by the Free Software Foundation.
578 |
579 | If the Program specifies that a proxy can decide which future
580 | versions of the GNU General Public License can be used, that proxy's
581 | public statement of acceptance of a version permanently authorizes you
582 | to choose that version for the Program.
583 |
584 | Later license versions may give you additional or different
585 | permissions. However, no additional obligations are imposed on any
586 | author or copyright holder as a result of your choosing to follow a
587 | later version.
588 |
589 | 15. Disclaimer of Warranty.
590 |
591 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
592 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
596 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
597 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
599 |
600 | 16. Limitation of Liability.
601 |
602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
610 | SUCH DAMAGES.
611 |
612 | 17. Interpretation of Sections 15 and 16.
613 |
614 | If the disclaimer of warranty and limitation of liability provided
615 | above cannot be given local legal effect according to their terms,
616 | reviewing courts shall apply local law that most closely approximates
617 | an absolute waiver of all civil liability in connection with the
618 | Program, unless a warranty or assumption of liability accompanies a
619 | copy of the Program in return for a fee.
620 |
621 | END OF TERMS AND CONDITIONS
622 |
623 | How to Apply These Terms to Your New Programs
624 |
625 | If you develop a new program, and you want it to be of the greatest
626 | possible use to the public, the best way to achieve this is to make it
627 | free software which everyone can redistribute and change under these terms.
628 |
629 | To do so, attach the following notices to the program. It is safest
630 | to attach them to the start of each source file to most effectively
631 | state the exclusion of warranty; and each file should have at least
632 | the "copyright" line and a pointer to where the full notice is found.
633 |
634 |
635 | Copyright (C)
636 |
637 | This program is free software: you can redistribute it and/or modify
638 | it under the terms of the GNU General Public License as published by
639 | the Free Software Foundation, either version 3 of the License, or
640 | (at your option) any later version.
641 |
642 | This program is distributed in the hope that it will be useful,
643 | but WITHOUT ANY WARRANTY; without even the implied warranty of
644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
645 | GNU General Public License for more details.
646 |
647 | You should have received a copy of the GNU General Public License
648 | along with this program. If not, see .
649 |
650 | Also add information on how to contact you by electronic and paper mail.
651 |
652 | If the program does terminal interaction, make it output a short
653 | notice like this when it starts in an interactive mode:
654 |
655 | Copyright (C)
656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
657 | This is free software, and you are welcome to redistribute it
658 | under certain conditions; type `show c' for details.
659 |
660 | The hypothetical commands `show w' and `show c' should show the appropriate
661 | parts of the General Public License. Of course, your program's commands
662 | might be different; for a GUI interface, you would use an "about box".
663 |
664 | You should also get your employer (if you work as a programmer) or school,
665 | if any, to sign a "copyright disclaimer" for the program, if necessary.
666 | For more information on this, and how to apply and follow the GNU GPL, see
667 | .
668 |
669 | The GNU General Public License does not permit incorporating your program
670 | into proprietary programs. If your program is a subroutine library, you
671 | may consider it more useful to permit linking proprietary applications with
672 | the library. If this is what you want to do, use the GNU Lesser General
673 | Public License instead of this License. But first, please read
674 | .
675 |
--------------------------------------------------------------------------------
/Makefile:
--------------------------------------------------------------------------------
1 | # Makefile for ATmegaBOOT
2 | # E.Lins, 18.7.2005
3 | # $Id$
4 | #
5 | # Instructions
6 | #
7 | # To make bootloader .hex file:
8 | # make diecimila
9 | # make lilypad
10 | # make ng
11 | # etc...
12 | #
13 | # To burn bootloader .hex file:
14 | # make diecimila_isp
15 | # make lilypad_isp
16 | # make ng_isp
17 | # etc...
18 | #
19 | # Edit History
20 | # 201303xx: WestfW: Major Makefile restructuring.
21 | # Allows options on Make command line "make xx LED=B3"
22 | # (see also pin_defs.h)
23 | # Divide into "chip" targets and "board" targets.
24 | # Most boards are (recursive) board targets with options.
25 | # Move isp target to separate makefile (fixes m8 EFUSE)
26 | # Some (many) targets will now be rebuilt when not
27 | # strictly necessary, so that options will be included.
28 | # (any "make" with options will always compile.)
29 | # Set many variables with ?= so they can be overridden
30 | # Use arduinoISP settings as default for ISP targets
31 | #
32 |
33 | #----------------------------------------------------------------------
34 | #
35 | # program name should not be changed... ( it looks for optiboot.c !!!)
36 | PROGRAM = optiboot
37 |
38 | # The default behavior is to build using tools that are in the users
39 | # current path variables, but we can also build using an installed
40 | # Arduino user IDE setup, or the Arduino source tree.
41 | # Uncomment this next lines to build within the arduino environment,
42 | # using the arduino-included avrgcc toolset (mac and pc)
43 | # ENV ?= arduino
44 | # ENV ?= arduinodev
45 | # OS ?= macosx
46 | # OS ?= windows
47 |
48 | # export symbols to recursive makes (for ISP)
49 | export
50 |
51 | # defaults
52 | MCU_TARGET = atmega168
53 | LDSECTIONS = -Wl,--section-start=.text=0x3e00 -Wl,--section-start=.version=0x3ffe
54 |
55 | # Build environments
56 | # Start of some ugly makefile-isms to allow optiboot to be built
57 | # in several different environments. See the README.TXT file for
58 | # details.
59 |
60 | # default
61 | fixpath = $(1)
62 |
63 | ifeq ($(ENV), arduino)
64 | # For Arduino, we assume that we're connected to the optiboot directory
65 | # included with the arduino distribution, which means that the full set
66 | # of avr-tools are "right up there" in standard places.
67 | TOOLROOT = ../../../tools
68 | GCCROOT = $(TOOLROOT)/avr/bin/
69 |
70 | ifeq ($(OS), windows)
71 | # On windows, SOME of the tool paths will need to have backslashes instead
72 | # of forward slashes (because they use windows cmd.exe for execution instead
73 | # of a unix/mingw shell?) We also have to ensure that a consistent shell
74 | # is used even if a unix shell is installed (ie as part of WINAVR)
75 | fixpath = $(subst /,\,$1)
76 | SHELL = cmd.exe
77 | endif
78 |
79 | else ifeq ($(ENV), arduinodev)
80 | # Arduino IDE source code environment. Use the unpacked compilers created
81 | # by the build (you'll need to do "ant build" first.)
82 | ifeq ($(OS), macosx)
83 | TOOLROOT = ../../../../build/macosx/work/Arduino.app/Contents/Resources/Java/hardware/tools
84 | endif
85 | ifeq ($(OS), windows)
86 | TOOLROOT = ../../../../build/windows/work/hardware/tools
87 | endif
88 |
89 | GCCROOT = $(TOOLROOT)/avr/bin/
90 | AVRDUDE_CONF = -C$(TOOLROOT)/avr/etc/avrdude.conf
91 |
92 | else
93 | GCCROOT =
94 | AVRDUDE_CONF =
95 | endif
96 |
97 | STK500 = "C:\Program Files\Atmel\AVR Tools\STK500\Stk500.exe"
98 | STK500-1 = $(STK500) -e -d$(MCU_TARGET) -pf -vf -if$(PROGRAM)_$(TARGET).hex \
99 | -lFF -LFF -f$(HFUSE)$(LFUSE) -EF8 -ms -q -cUSB -I200kHz -s -wt
100 | STK500-2 = $(STK500) -d$(MCU_TARGET) -ms -q -lCF -LCF -cUSB -I200kHz -s -wt
101 | #
102 | # End of build environment code.
103 |
104 |
105 | OBJ = $(PROGRAM).o
106 | OPTIMIZE = -Os -fno-inline-small-functions -fno-split-wide-types -mshort-calls
107 |
108 | DEFS =
109 | LIBS =
110 |
111 | CC = $(GCCROOT)avr-gcc
112 |
113 | # Override is only needed by avr-lib build system.
114 |
115 | override CFLAGS = -g -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) -DF_CPU=$(AVR_FREQ) $(DEFS)
116 | override LDFLAGS = $(LDSECTIONS) -Wl,--relax -nostartfiles -nostdlib
117 | #-Wl,--gc-sections
118 |
119 | OBJCOPY = $(GCCROOT)avr-objcopy
120 | OBJDUMP = $(call fixpath,$(GCCROOT)avr-objdump)
121 |
122 | SIZE = $(GCCROOT)avr-size
123 |
124 | #
125 | # Make command-line Options.
126 | # Permit commands like "make atmega328 LED_START_FLASHES=10" to pass the
127 | # appropriate parameters ("-DLED_START_FLASHES=10") to gcc
128 | #
129 |
130 | ifdef BAUD_RATE
131 | BAUD_RATE_CMD = -DBAUD_RATE=$(BAUD_RATE)
132 | dummy = FORCE
133 | else
134 | BAUD_RATE_CMD = -DBAUD_RATE=115200
135 | endif
136 |
137 | ifdef LED_START_FLASHES
138 | LED_START_FLASHES_CMD = -DLED_START_FLASHES=$(LED_START_FLASHES)
139 | dummy = FORCE
140 | else
141 | LED_START_FLASHES_CMD = -DLED_START_FLASHES=3
142 | endif
143 |
144 | # BIG_BOOT: Include extra features, up to 1K.
145 | ifdef BIGBOOT
146 | BIGBOOT_CMD = -DBIGBOOT=1
147 | dummy = FORCE
148 | endif
149 |
150 | ifdef SOFT_UART
151 | SOFT_UART_CMD = -DSOFT_UART=1
152 | dummy = FORCE
153 | endif
154 |
155 | ifdef LED_DATA_FLASH
156 | LED_DATA_FLASH_CMD = -DLED_DATA_FLASH=1
157 | dummy = FORCE
158 | endif
159 |
160 | ifdef LED
161 | LED_CMD = -DLED=$(LED)
162 | dummy = FORCE
163 | endif
164 |
165 | ifdef SINGLESPEED
166 | SSCMD = -DSINGLESPEED=1
167 | endif
168 |
169 | COMMON_OPTIONS = $(BAUD_RATE_CMD) $(LED_START_FLASHES_CMD) $(BIGBOOT_CMD)
170 | COMMON_OPTIONS += $(SOFT_UART_CMD) $(LED_DATA_FLASH_CMD) $(LED_CMD) $(SSCMD)
171 |
172 | #UART is handled separately and only passed for devices with more than one.
173 | ifdef UART
174 | UARTCMD = -DUART=$(UART)
175 | endif
176 |
177 | # Not supported yet
178 | # ifdef SUPPORT_EEPROM
179 | # SUPPORT_EEPROM_CMD = -DSUPPORT_EEPROM
180 | # dummy = FORCE
181 | # endif
182 |
183 | # Not supported yet
184 | # ifdef TIMEOUT_MS
185 | # TIMEOUT_MS_CMD = -DTIMEOUT_MS=$(TIMEOUT_MS)
186 | # dummy = FORCE
187 | # endif
188 | #
189 |
190 | #---------------------------------------------------------------------------
191 | # "Chip-level Platform" targets.
192 | # A "Chip-level Platform" compiles for a particular chip, but probably does
193 | # not have "standard" values for things like clock speed, LED pin, etc.
194 | # Makes for chip-level platforms should usually explicitly define their
195 | # options like: "make atmega1285 AVR_FREQ=16000000L LED=D0"
196 | #---------------------------------------------------------------------------
197 | #
198 | # Note about fuses:
199 | # the efuse should really be 0xf8; since, however, only the lower
200 | # three bits of that byte are used on the atmega168, avrdude gets
201 | # confused if you specify 1's for the higher bits, see:
202 | # http://tinker.it/now/2007/02/24/the-tale-of-avrdude-atmega168-and-extended-bits-fuses/
203 | #
204 | # similarly, the lock bits should be 0xff instead of 0x3f (to
205 | # unlock the bootloader section) and 0xcf instead of 0x2f (to
206 | # lock it), but since the high two bits of the lock byte are
207 | # unused, avrdude would get confused.
208 | #---------------------------------------------------------------------------
209 | #
210 |
211 | # Test platforms
212 | # Virtual boot block test
213 | virboot328: TARGET = atmega328
214 | virboot328: MCU_TARGET = atmega328p
215 | virboot328: CFLAGS += $(COMMON_OPTIONS) '-DVIRTUAL_BOOT'
216 | virboot328: AVR_FREQ ?= 16000000L
217 | virboot328: LDSECTIONS = -Wl,--section-start=.text=0x7e00 -Wl,--section-start=.version=0x7ffe
218 | virboot328: $(PROGRAM)_atmega328.hex
219 | virboot328: $(PROGRAM)_atmega328.lst
220 |
221 | # Diecimila, Duemilanove with m168, and NG use identical bootloaders
222 | # Call it "atmega168" for generality and clarity, keep "diecimila" for
223 | # backward compatibility of makefile
224 | #
225 | atmega168: TARGET = atmega168
226 | atmega168: MCU_TARGET = atmega168
227 | atmega168: CFLAGS += $(COMMON_OPTIONS)
228 | atmega168: AVR_FREQ ?= 16000000L
229 | atmega168: $(PROGRAM)_atmega168.hex
230 | atmega168: $(PROGRAM)_atmega168.lst
231 |
232 | atmega168_isp: atmega168
233 | atmega168_isp: TARGET = atmega168
234 | # 2.7V brownout
235 | atmega168_isp: HFUSE ?= DD
236 | # Low power xtal (16MHz) 16KCK/14CK+65ms
237 | atmega168_isp: LFUSE ?= FF
238 | # 512 byte boot
239 | atmega168_isp: EFUSE ?= 04
240 | atmega168_isp: isp
241 |
242 | atmega328: TARGET = atmega328
243 | atmega328: MCU_TARGET = atmega328p
244 | atmega328: CFLAGS += $(COMMON_OPTIONS)
245 | atmega328: AVR_FREQ ?= 16000000L
246 | atmega328: LDSECTIONS = -Wl,--section-start=.text=0x7c00 -Wl,--section-start=.version=0x7ffe
247 | atmega328: $(PROGRAM)_atmega328.hex
248 | atmega328: $(PROGRAM)_atmega328.lst
249 |
250 | atmega328_isp: atmega328
251 | atmega328_isp: TARGET = atmega328
252 | atmega328_isp: MCU_TARGET = atmega328p
253 | # 512 byte boot, SPIEN
254 | atmega328_isp: HFUSE ?= DE
255 | # Low power xtal (16MHz) 16KCK/14CK+65ms
256 | atmega328_isp: LFUSE ?= FF
257 | # 2.7V brownout
258 | atmega328_isp: EFUSE ?= FD
259 | atmega328_isp: isp
260 |
261 | atmega644p: TARGET = atmega644p
262 | atmega644p: MCU_TARGET = atmega644p
263 | atmega644p: CFLAGS += $(COMMON_OPTIONS) -DBIGBOOT $(LED_CMD)
264 | atmega644p: AVR_FREQ ?= 16000000L
265 | atmega644p: LDSECTIONS = -Wl,--section-start=.text=0xfc00 -Wl,--section-start=.version=0xfffe
266 | atmega644p: CFLAGS += $(UARTCMD)
267 | atmega644p: $(PROGRAM)_atmega644p.hex
268 | atmega644p: $(PROGRAM)_atmega644p.lst
269 |
270 | atmega1284: TARGET = atmega1284p
271 | atmega1284: MCU_TARGET = atmega1284p
272 | atmega1284: CFLAGS += $(COMMON_OPTIONS) -DBIGBOOT $(LED_CMD)
273 | atmega1284: AVR_FREQ ?= 16000000L
274 | atmega1284: LDSECTIONS = -Wl,--section-start=.text=0x1fc00 -Wl,--section-start=.version=0x1fffe
275 | atmega1284: CFLAGS += $(UARTCMD)
276 | atmega1284: $(PROGRAM)_atmega1284p.hex
277 | atmega1284: $(PROGRAM)_atmega1284p.lst
278 |
279 | atmega1284p: atmega1284
280 |
281 | atmega1284_isp: atmega1284
282 | atmega1284_isp: TARGET = atmega1284p
283 | atmega1284_isp: MCU_TARGET = atmega1284p
284 | # 1024 byte boot
285 | atmega1284_isp: HFUSE ?= DE
286 | # Full Swing xtal (16MHz) 16KCK/14CK+65ms
287 | atmega1284_isp: LFUSE ?= F7
288 | # 2.7V brownout
289 | atmega1284_isp: EFUSE ?= FD
290 | atmega1284_isp: isp
291 |
292 | #Atmega1280
293 | atmega1280: MCU_TARGET = atmega1280
294 | atmega1280: CFLAGS += $(COMMON_OPTIONS) -DBIGBOOT $(UART_CMD)
295 | atmega1280: AVR_FREQ ?= 16000000L
296 | atmega1280: LDSECTIONS = -Wl,--section-start=.text=0x1fc00 -Wl,--section-start=.version=0x1fffe
297 | atmega1280: $(PROGRAM)_atmega1280.hex
298 | atmega1280: $(PROGRAM)_atmega1280.lst
299 |
300 |
301 | # ATmega8
302 | #
303 | atmega8: TARGET = atmega8
304 | atmega8: MCU_TARGET = atmega8
305 | atmega8: CFLAGS += $(COMMON_OPTIONS)
306 | atmega8: AVR_FREQ ?= 16000000L
307 | atmega8: LDSECTIONS = -Wl,--section-start=.text=0x1e00 -Wl,--section-start=.version=0x1ffe
308 | atmega8: $(PROGRAM)_atmega8.hex
309 | atmega8: $(PROGRAM)_atmega8.lst
310 |
311 | atmega8_isp: atmega8
312 | atmega8_isp: TARGET = atmega8
313 | atmega8_isp: MCU_TARGET = atmega8
314 | # SPIEN, CKOPT (for full swing xtal), Bootsize=512B
315 | atmega8_isp: HFUSE ?= CC
316 | # 2.7V brownout, 16MHz Xtal, 16KCK/14CK+65ms
317 | atmega8_isp: LFUSE ?= BF
318 | atmega8_isp: isp
319 |
320 | # ATmega88
321 | #
322 | atmega88: TARGET = atmega88
323 | atmega88: MCU_TARGET = atmega88
324 | atmega88: CFLAGS += $(COMMON_OPTIONS)
325 | atmega88: AVR_FREQ ?= 16000000L
326 | atmega88: LDSECTIONS = -Wl,--section-start=.text=0x1e00 -Wl,--section-start=.version=0x1ffe
327 | atmega88: $(PROGRAM)_atmega88.hex
328 | atmega88: $(PROGRAM)_atmega88.lst
329 |
330 | atmega88_isp: atmega88
331 | atmega88_isp: TARGET = atmega88
332 | atmega88_isp: MCU_TARGET = atmega88
333 | # 2.7V brownout
334 | atmega88_isp: HFUSE ?= DD
335 | # Low power xtal (16MHz) 16KCK/14CK+65ms
336 | atemga88_isp: LFUSE ?= FF
337 | # 512 byte boot
338 | atmega88_isp: EFUSE ?= 04
339 | atmega88_isp: isp
340 |
341 | atmega32: TARGET = atmega32
342 | atmega32: MCU_TARGET = atmega32
343 | atmega32: CFLAGS += $(COMMON_OPTIONS)
344 | atmega32: AVR_FREQ ?= 11059200L
345 | atmega32: LDSECTIONS = -Wl,--section-start=.text=0x7e00 -Wl,--section-start=.version=0x7ffe
346 | atmega32: $(PROGRAM)_atmega32.hex
347 | atmega32: $(PROGRAM)_atmega32.lst
348 |
349 | atmega32_isp: atmega32
350 | atmega32_isp: TARGET = atmega32
351 | atmega32_isp: MCU_TARGET = atmega32
352 | # No OCD or JTAG, SPIEN, CKOPT (for full swing xtal), Bootsize=512B
353 | atmega32_isp: HFUSE ?= CE
354 | # 2.7V brownout, 16MHz Xtal, 16KCK/14CK+65ms
355 | atemga32_isp: LFUSE ?= BF
356 | atmega32_isp: isp
357 |
358 |
359 |
360 | #---------------------------------------------------------------------------
361 | # "Board-level Platform" targets.
362 | # A "Board-level Platform" implies a manufactured platform with a particular
363 | # AVR_FREQ, LED, and so on. Parameters are not particularly changable from
364 | # the "make" command line.
365 | # Most of the board-level platform builds should envoke make recursively
366 | # appropriate specific options
367 | #---------------------------------------------------------------------------
368 | # 20MHz clocked platforms
369 | #
370 | # These are capable of 230400 baud, or 115200 baud on PC (Arduino Avrdude issue)
371 | #
372 |
373 | pro20: TARGET = pro_20mhz
374 | pro20: CHIP = atmega168
375 | pro20:
376 | $(MAKE) atmega168 AVR_FREQ=20000000L LED_START_FLASHES=3
377 | mv $(PROGRAM)_$(CHIP).hex $(PROGRAM)_$(TARGET).hex
378 | mv $(PROGRAM)_$(CHIP).lst $(PROGRAM)_$(TARGET).lst
379 |
380 | pro20_isp: pro20
381 | pro20_isp: TARGET = pro_20mhz
382 | # 2.7V brownout
383 | pro20_isp: HFUSE ?= DD
384 | # Full swing xtal (20MHz) 258CK/14CK+4.1ms
385 | pro20_isp: LFUSE ?= C6
386 | # 512 byte boot
387 | pro20_isp: EFUSE ?= 04
388 | pro20_isp: isp
389 |
390 | # 16MHz clocked platforms
391 | #
392 | # These are capable of 230400 baud, or 115200 baud on PC (Arduino Avrdude issue)
393 | #
394 |
395 | pro16: TARGET = pro_16MHz
396 | pro16: CHIP = atmega168
397 | pro16:
398 | $(MAKE) $(CHIP) AVR_FREQ=16000000L LED_START_FLASHES=3
399 | mv $(PROGRAM)_$(CHIP).hex $(PROGRAM)_$(TARGET).hex
400 | mv $(PROGRAM)_$(CHIP).lst $(PROGRAM)_$(TARGET).lst
401 |
402 | pro16_isp: pro16
403 | pro16_isp: TARGET = pro_16MHz
404 | # 2.7V brownout
405 | pro16_isp: HFUSE ?= DD
406 | # Full swing xtal (20MHz) 258CK/14CK+4.1ms
407 | pro16_isp: LFUSE ?= C6
408 | # 512 byte boot
409 | pro16_isp: EFUSE ?= 04
410 | pro16_isp: isp
411 |
412 | diecimila: TARGET = diecimila
413 | diecimila: CHIP = atmega168
414 | diecimila:
415 | $(MAKE) $(CHIP) AVR_FREQ=16000000L LED_START_FLASHES=3
416 | mv $(PROGRAM)_$(CHIP).hex $(PROGRAM)_$(TARGET).hex
417 | mv $(PROGRAM)_$(CHIP).lst $(PROGRAM)_$(TARGET).lst
418 |
419 | diecimila_isp: diecimila
420 | diecimila_isp: TARGET = diecimila
421 | # 2.7V brownout
422 | diecimila_isp: HFUSE ?= DD
423 | # Low power xtal (16MHz) 16KCK/14CK+65ms
424 | diecimila_isp: LFUSE ?= FF
425 | # 512 byte boot
426 | diecimila_isp: EFUSE ?= 04
427 | diecimila_isp: isp
428 |
429 | # Sanguino has a minimum boot size of 1024 bytes, so enable extra functions
430 | #
431 | sanguino: TARGET = $@
432 | sanguino: CHIP = atmega644p
433 | sanguino:
434 | $(MAKE) $(CHIP) AVR_FREQ=16000000L LED=B0
435 | mv $(PROGRAM)_$(CHIP).hex $(PROGRAM)_$(TARGET).hex
436 | mv $(PROGRAM)_$(CHIP).lst $(PROGRAM)_$(TARGET).lst
437 |
438 | sanguino_isp: sanguino
439 | sanguino_isp: TARGET = sanguino
440 | sanguino_isp: MCU_TARGET = atmega644p
441 | # 1024 byte boot
442 | sanguino_isp: HFUSE ?= DE
443 | # Full swing xtal (16MHz) 16KCK/14CK+65ms
444 | sanguino_isp: LFUSE ?= F7
445 | # 2.7V brownout
446 | sanguino_isp: EFUSE ?= FD
447 | sanguino_isp: isp
448 |
449 | mighty1284: TARGET = $@
450 | mighty1284: CHIP = atmega1284p
451 | mighty1284:
452 | $(MAKE) $(CHIP) AVR_FREQ=16000000L LED=D7
453 | mv $(PROGRAM)_$(CHIP).hex $(PROGRAM)_$(TARGET).hex
454 | mv $(PROGRAM)_$(CHIP).lst $(PROGRAM)_$(TARGET).lst
455 |
456 | mighty1284_isp: mighty1284
457 | mighty1284_isp: TARGET = mighty1284
458 | mighty1284_isp: MCU_TARGET = atmega1284p
459 | # 1024 byte boot
460 | mighty1284_isp: HFUSE ?= DE
461 | # Full swing xtal (16MHz) 16KCK/14CK+65ms
462 | mighty1284_isp: LFUSE ?= F7
463 | # 2.7V brownout
464 | mighty1284_isp: EFUSE ?= FD
465 | mighty1284_isp: isp
466 |
467 | bobuino: TARGET = $@
468 | bobuino: CHIP = atmega1284p
469 | bobuino:
470 | $(MAKE) $(CHIP) AVR_FREQ=16000000L LED=B5
471 | mv $(PROGRAM)_$(CHIP).hex $(PROGRAM)_$(TARGET).hex
472 | mv $(PROGRAM)_$(CHIP).lst $(PROGRAM)_$(TARGET).lst
473 |
474 | bobuino_isp: bobuino
475 | bobuino_isp: TARGET = bobuino
476 | bobuino_isp: MCU_TARGET = atmega1284p
477 | # 1024 byte boot
478 | bobuino_isp: HFUSE ?= DE
479 | # Full swing xtal (16MHz) 16KCK/14CK+65ms
480 | bobuino_isp: LFUSE ?= F7
481 | # 2.7V brownout
482 | bobuino_isp: EFUSE ?= FD
483 | bobuino_isp: isp
484 |
485 | # MEGA1280 Board (this is different from the atmega1280 chip platform)
486 | # Mega has a minimum boot size of 1024 bytes, so enable extra functions
487 | # Note that optiboot does not (can not) work on the MEGA2560
488 | #mega: TARGET = atmega1280
489 | mega1280: atmega1280
490 |
491 |
492 | mega1280_isp: mega1280
493 | mega1280_isp: TARGET = atmega1280
494 | mega1280_isp: MCU_TARGET = atmega1280
495 | # 1024 byte boot
496 | mega1280_isp: HFUSE ?= DE
497 | # Low power xtal (16MHz) 16KCK/14CK+65ms
498 | mega1280_isp: LFUSE ?= FF
499 | # 2.7V brownout; wants F5 for some reason...
500 | mega1280_isp: EFUSE ?= F5
501 | mega1280_isp: isp
502 |
503 | # 8MHz clocked platforms
504 | #
505 | # These are capable of 115200 baud
506 | # Note that "new" Arduinos with an AVR as USB/Serial converter will NOT work
507 | # with an 8MHz target Arduino. The bitrate errors are in opposite directions,
508 | # and total too large a number.
509 | #
510 |
511 | lilypad: TARGET = $@
512 | lilypad: CHIP = atmega168
513 | lilypad:
514 | $(MAKE) $(CHIP) AVR_FREQ=8000000L LED_START_FLASHES=3
515 | mv $(PROGRAM)_$(CHIP).hex $(PROGRAM)_$(TARGET).hex
516 | mv $(PROGRAM)_$(CHIP).lst $(PROGRAM)_$(TARGET).lst
517 |
518 | lilypad_isp: lilypad
519 | lilypad_isp: TARGET = lilypad
520 | # 2.7V brownout
521 | lilypad_isp: HFUSE ?= DD
522 | # Internal 8MHz osc (8MHz) Slow rising power
523 | lilypad_isp: LFUSE ?= E2
524 | # 512 byte boot
525 | lilypad_isp: EFUSE ?= 04
526 | lilypad_isp: isp
527 |
528 | # lilypad_resonator is the same as a 8MHz lilypad, except for fuses.
529 | lilypad_resonator: lilypad
530 |
531 | lilypad_resonator_isp: lilypad
532 | lilypad_resonator_isp: TARGET = lilypad
533 | # 2.7V brownout
534 | lilypad_resonator_isp: HFUSE ?= DD
535 | # Full swing xtal (20MHz) 258CK/14CK+4.1ms
536 | lilypad_resonator_isp: LFUSE ?= C6
537 | # 512 byte boot
538 | lilypad_resonator_isp: EFUSE ?= 04
539 | lilypad_resonator_isp: isp
540 |
541 | pro8: TARGET = pro_8MHz
542 | pro8: CHIP = atmega168
543 | pro8:
544 | $(MAKE) $(CHIP) AVR_FREQ=8000000L LED_START_FLASHES=3
545 | mv $(PROGRAM)_$(CHIP).hex $(PROGRAM)_$(TARGET).hex
546 | mv $(PROGRAM)_$(CHIP).lst $(PROGRAM)_$(TARGET).lst
547 |
548 | pro8_isp: pro8
549 | pro8_isp: TARGET = pro_8MHz
550 | # 2.7V brownout
551 | pro8_isp: HFUSE ?= DD
552 | # Full swing xtal (20MHz) 258CK/14CK+4.1ms
553 | pro8_isp: LFUSE ?= C6
554 | # 512 byte boot
555 | pro8_isp: EFUSE ?= 04
556 | pro8_isp: isp
557 |
558 | atmega328_pro8: TARGET = atmega328_pro_8MHz
559 | atmega328_pro8: CHIP = atmega328
560 | atmega328_pro8:
561 | $(MAKE) $(CHIP) AVR_FREQ=8000000L LED_START_FLASHES=2 BAUD_RATE=57600
562 | mv $(PROGRAM)_$(CHIP).hex $(PROGRAM)_$(TARGET).hex
563 | mv $(PROGRAM)_$(CHIP).lst $(PROGRAM)_$(TARGET).lst
564 |
565 | atmega328_pro8_isp: atmega328_pro8
566 | atmega328_pro8_isp: TARGET = atmega328_pro_8MHz
567 | atmega328_pro8_isp: MCU_TARGET = atmega328p
568 | # 512 byte boot, SPIEN
569 | atmega328_pro8_isp: HFUSE ?= DE
570 | # Low power xtal (16MHz) 16KCK/14CK+65ms
571 | atmega328_pro8_isp: LFUSE ?= FF
572 | # 2.7V brownout
573 | atmega328_pro8_isp: EFUSE ?= DE
574 | atmega328_pro8_isp: isp
575 |
576 | # 1MHz clocked platforms
577 | #
578 | # These are capable of 9600 baud
579 | #
580 |
581 | luminet: TARGET = luminet
582 | luminet: MCU_TARGET = attiny84
583 | luminet: CFLAGS += $(COMMON_OPTIONS) '-DSOFT_UART' '-DBAUD_RATE=9600'
584 | luminet: CFLAGS += '-DVIRTUAL_BOOT_PARTITION'
585 | luminet: AVR_FREQ ?= 1000000L
586 | luminet: LDSECTIONS = -Wl,--section-start=.text=0x1d00 -Wl,--section-start=.version=0x1efe
587 | luminet: $(PROGRAM)_luminet.hex
588 | luminet: $(PROGRAM)_luminet.lst
589 |
590 | luminet_isp: luminet
591 | luminet_isp: TARGET = luminet
592 | luminet_isp: MCU_TARGET = attiny84
593 | # Brownout disabled
594 | luminet_isp: HFUSE ?= DF
595 | # 1MHz internal oscillator, slowly rising power
596 | luminet_isp: LFUSE ?= 62
597 | # Self-programming enable
598 | luminet_isp: EFUSE ?= FE
599 | luminet_isp: isp
600 |
601 |
602 | #---------------------------------------------------------------------------
603 | #
604 | # Generic build instructions
605 | #
606 |
607 | FORCE:
608 |
609 | baudcheck: FORCE
610 | - @$(CC) $(CFLAGS) -E baudcheck.c -o baudcheck.tmp.sh
611 | - @sh baudcheck.tmp.sh
612 |
613 | isp: $(TARGET)
614 | $(MAKE) -f Makefile.isp isp TARGET=$(TARGET)
615 |
616 | isp-stk500: $(PROGRAM)_$(TARGET).hex
617 | $(STK500-1)
618 | $(STK500-2)
619 |
620 | %.elf: $(OBJ) baudcheck $(dummy)
621 | $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS)
622 | $(SIZE) $@
623 |
624 | clean:
625 | rm -rf *.o *.elf *.lst *.map *.sym *.lss *.eep *.srec *.bin *.hex *.tmp.sh
626 |
627 | %.lst: %.elf
628 | $(OBJDUMP) -h -S $< > $@
629 |
630 | %.hex: %.elf
631 | $(OBJCOPY) -j .text -j .data -j .version --set-section-flags .version=alloc,load -O ihex $< $@
632 |
633 | %.srec: %.elf
634 | $(OBJCOPY) -j .text -j .data -j .version --set-section-flags .version=alloc,load -O srec $< $@
635 |
636 | %.bin: %.elf
637 | $(OBJCOPY) -j .text -j .data -j .version --set-section-flags .version=alloc,load -O binary $< $@
638 |
--------------------------------------------------------------------------------
/Optiboot.c:
--------------------------------------------------------------------------------
1 | //////////////////////////////////////////////////////////////////////////
2 | //
3 | // DualOptiboot
4 | // Optiboot based custom bootloader for Moteino
5 | // Enables wireless programming of Moteino wireless arduino clone
6 | // Copyright Felix Rusu (2013), felix@lowpowerlab.com
7 | // http://lowpowerlab.com/Moteino
8 | //
9 | //////////////////////////////////////////////////////////////////////////
10 | //
11 | // This program is free software; you can redistribute it
12 | // and/or modify it under the terms of the GNU General
13 | // Public License as published by the Free Software
14 | // Foundation; either version 2 of the License, or
15 | // (at your option) any later version.
16 | //
17 | // This program is distributed in the hope that it will
18 | // be useful, but WITHOUT ANY WARRANTY; without even the
19 | // implied warranty of MERCHANTABILITY or FITNESS FOR A
20 | // PARTICULAR PURPOSE. See the GNU General Public
21 | // License for more details.
22 | //
23 | // You should have received a copy of the GNU General
24 | // Public License along with this program; if not, write
25 | // to the Free Software Foundation, Inc.,
26 | // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 | //
28 | // Licence can be viewed at
29 | // http://www.fsf.org/licenses/gpl.txt
30 | //
31 | // Please maintain this license information along with authorship
32 | // and copyright notices in any redistribution of this code
33 | //
34 | //////////////////////////////////////////////////////////////////////////
35 | //
36 | // This Optiboot version is modified to add the capability of reflashing
37 | // from an external SPI flash memory chip. As configured this will work
38 | // with Moteino (www.lowpowerlab.com/Moteino) provided a SPI flash chip
39 | // is present on the dedicated onboard footprint.
40 | // Summary of how this Optiboot version works:
41 | // - it looks for an external flash chip
42 | // - if one is found (SPI returns valid data) it will further look
43 | // for a new sketch flash image signature and size
44 | // starting at address 0: FLXIMG:NN:XXXXXXXXXXX
45 | // where: - 'FLXIMG' is fixed signature indicating FLASH chip
46 | // contains a valid new flash image to be burned
47 | // - 'NN' are 2 size bytes (uint_16) indicating how long the
48 | // new flash image is (how many bytes to read), max 65536Bytes
49 | // - 'XXXXXX' are the de-hexified bytes of the flash
50 | // pages to be burned
51 | // - ':' colons have fixed positions (delimiters)
52 | // - if no valid signature/size are found, it will skip and
53 | // function as it normally would (listen to STK500 protocol on serial port)
54 | //
55 | // The added code will result in a compiled size of just under 1kb
56 | // (Originally Optiboot takes just under 0.5kb)
57 | // - Examples at: http://lowpowerlab.com/blog/category/moteino/wireless-programming/
58 | // - Tested on atmega328P and atmega644/1284P
59 | // - Limited to 31K sketches for atmega328p and 64K sketches for atmega1284P.
60 | //////////////////////////////////////////////////////////////////////////
61 | /**********************************************************/
62 | /* Optiboot bootloader for Arduino */
63 | /* */
64 | /* http://optiboot.googlecode.com */
65 | /* */
66 | /* Arduino-maintained version : See README.TXT */
67 | /* http://code.google.com/p/arduino/ */
68 | /* It is the intent that changes not relevant to the */
69 | /* Arduino production envionment get moved from the */
70 | /* optiboot project to the arduino project in "lumps." */
71 | /* */
72 | /* Heavily optimised bootloader that is faster and */
73 | /* smaller than the Arduino standard bootloader */
74 | /* */
75 | /* Enhancements: */
76 | /* Fits in 512 bytes, saving 1.5K of code space */
77 | /* Background page erasing speeds up programming */
78 | /* Higher baud rate speeds up programming */
79 | /* Written almost entirely in C */
80 | /* Customisable timeout with accurate timeconstant */
81 | /* Optional virtual UART. No hardware UART required. */
82 | /* Optional virtual boot partition for devices without. */
83 | /* */
84 | /* What you lose: */
85 | /* Implements a skeleton STK500 protocol which is */
86 | /* missing several features including EEPROM */
87 | /* programming and non-page-aligned writes */
88 | /* High baud rate breaks compatibility with standard */
89 | /* Arduino flash settings */
90 | /* */
91 | /* Fully supported: */
92 | /* ATmega168 based devices (Diecimila etc) */
93 | /* ATmega328P based devices (Duemilanove etc) */
94 | /* */
95 | /* Beta test (believed working.) */
96 | /* ATmega8 based devices (Arduino legacy) */
97 | /* ATmega328 non-picopower devices */
98 | /* ATmega644P based devices (Sanguino) */
99 | /* ATmega1284P based devices */
100 | /* ATmega1280 based devices (Arduino Mega) */
101 | /* */
102 | /* Alpha test */
103 | /* ATmega32 */
104 | /* */
105 | /* Work in progress: */
106 | /* ATtiny84 based devices (Luminet) */
107 | /* */
108 | /* Does not support: */
109 | /* USB based devices (eg. Teensy, Leonardo) */
110 | /* */
111 | /* Assumptions: */
112 | /* The code makes several assumptions that reduce the */
113 | /* code size. They are all true after a hardware reset, */
114 | /* but may not be true if the bootloader is called by */
115 | /* other means or on other hardware. */
116 | /* No interrupts can occur */
117 | /* UART and Timer 1 are set to their reset state */
118 | /* SP points to RAMEND */
119 | /* */
120 | /* Code builds on code, libraries and optimisations from: */
121 | /* stk500boot.c by Jason P. Kyle */
122 | /* Arduino bootloader http://arduino.cc */
123 | /* Spiff's 1K bootloader http://spiffie.org/know/arduino_1k_bootloader/bootloader.shtml */
124 | /* avr-libc project http://nongnu.org/avr-libc */
125 | /* Adaboot http://www.ladyada.net/library/arduino/bootloader.html */
126 | /* AVR305 Atmel Application Note */
127 | /* */
128 | /* This program is free software; you can redistribute it */
129 | /* and/or modify it under the terms of the GNU General */
130 | /* Public License as published by the Free Software */
131 | /* Foundation; either version 2 of the License, or */
132 | /* (at your option) any later version. */
133 | /* */
134 | /* This program is distributed in the hope that it will */
135 | /* be useful, but WITHOUT ANY WARRANTY; without even the */
136 | /* implied warranty of MERCHANTABILITY or FITNESS FOR A */
137 | /* PARTICULAR PURPOSE. See the GNU General Public */
138 | /* License for more details. */
139 | /* */
140 | /* You should have received a copy of the GNU General */
141 | /* Public License along with this program; if not, write */
142 | /* to the Free Software Foundation, Inc., */
143 | /* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
144 | /* */
145 | /* Licence can be viewed at */
146 | /* http://www.fsf.org/licenses/gpl.txt */
147 | /* */
148 | /**********************************************************/
149 |
150 |
151 | /**********************************************************/
152 | /* */
153 | /* Optional defines: */
154 | /* */
155 | /**********************************************************/
156 | /* */
157 | /* BIG_BOOT: */
158 | /* Build a 1k bootloader, not 512 bytes. This turns on */
159 | /* extra functionality. */
160 | /* */
161 | /* BAUD_RATE: */
162 | /* Set bootloader baud rate. */
163 | /* */
164 | /* LUDICROUS_SPEED: */
165 | /* 230400 baud :-) */
166 | /* */
167 | /* SOFT_UART: */
168 | /* Use AVR305 soft-UART instead of hardware UART. */
169 | /* */
170 | /* LED_START_FLASHES: */
171 | /* Number of LED flashes on bootup. */
172 | /* */
173 | /* LED_DATA_FLASH: */
174 | /* Flash LED when transferring data. For boards without */
175 | /* TX or RX LEDs, or for people who like blinky lights. */
176 | /* */
177 | /* SUPPORT_EEPROM: */
178 | /* Support reading and writing from EEPROM. This is not */
179 | /* used by Arduino, so off by default. */
180 | /* */
181 | /* TIMEOUT_MS: */
182 | /* Bootloader timeout period, in milliseconds. */
183 | /* 500,1000,2000,4000,8000 supported. */
184 | /* */
185 | /* UART: */
186 | /* UART number (0..n) for devices with more than */
187 | /* one hardware uart (644P, 1284P, etc) */
188 | /* */
189 | /**********************************************************/
190 |
191 | /**********************************************************/
192 | /* Version Numbers! */
193 | /* */
194 | /* Arduino Optiboot now includes this Version number in */
195 | /* the source and object code. */
196 | /* */
197 | /* Version 3 was released as zip from the optiboot */
198 | /* repository and was distributed with Arduino 0022. */
199 | /* Version 4 starts with the arduino repository commit */
200 | /* that brought the arduino repository up-to-date with */
201 | /* the optiboot source tree changes since v3. */
202 | /* Version 5 was created at the time of the new Makefile */
203 | /* structure (Mar, 2013), even though no binaries changed*/
204 | /* It would be good if versions implemented outside the */
205 | /* official repository used an out-of-seqeunce version */
206 | /* number (like 104.6 if based on based on 4.5) to */
207 | /* prevent collisions. */
208 | /* */
209 | /**********************************************************/
210 |
211 | /**********************************************************/
212 | /* Edit History: */
213 | /* */
214 | /* Mar 2013 */
215 | /* 5.0 WestfW: Major Makefile restructuring. */
216 | /* See Makefile and pin_defs.h */
217 | /* (no binary changes) */
218 | /* */
219 | /* 4.6 WestfW/Pito: Add ATmega32 support */
220 | /* 4.6 WestfW/radoni: Don't set LED_PIN as an output if */
221 | /* not used. (LED_START_FLASHES = 0) */
222 | /* Jan 2013 */
223 | /* 4.6 WestfW/dkinzer: use autoincrement lpm for read */
224 | /* 4.6 WestfW/dkinzer: pass reset cause to app in R2 */
225 | /* Mar 2012 */
226 | /* 4.5 WestfW: add infrastructure for non-zero UARTS. */
227 | /* 4.5 WestfW: fix SIGNATURE_2 for m644 (bad in avr-libc) */
228 | /* Jan 2012: */
229 | /* 4.5 WestfW: fix NRWW value for m1284. */
230 | /* 4.4 WestfW: use attribute OS_main instead of naked for */
231 | /* main(). This allows optimizations that we */
232 | /* count on, which are prohibited in naked */
233 | /* functions due to PR42240. (keeps us less */
234 | /* than 512 bytes when compiler is gcc4.5 */
235 | /* (code from 4.3.2 remains the same.) */
236 | /* 4.4 WestfW and Maniacbug: Add m1284 support. This */
237 | /* does not change the 328 binary, so the */
238 | /* version number didn't change either. (?) */
239 | /* June 2011: */
240 | /* 4.4 WestfW: remove automatic soft_uart detect (didn't */
241 | /* know what it was doing or why.) Added a */
242 | /* check of the calculated BRG value instead. */
243 | /* Version stays 4.4; existing binaries are */
244 | /* not changed. */
245 | /* 4.4 WestfW: add initialization of address to keep */
246 | /* the compiler happy. Change SC'ed targets. */
247 | /* Return the SW version via READ PARAM */
248 | /* 4.3 WestfW: catch framing errors in getch(), so that */
249 | /* AVRISP works without HW kludges. */
250 | /* http://code.google.com/p/arduino/issues/detail?id=368n*/
251 | /* 4.2 WestfW: reduce code size, fix timeouts, change */
252 | /* verifySpace to use WDT instead of appstart */
253 | /* 4.1 WestfW: put version number in binary. */
254 | /**********************************************************/
255 |
256 | #define LED_DATA_FLASH 1
257 | #define OPTIBOOT_MAJVER 5
258 | #define OPTIBOOT_MINVER 0
259 |
260 | #define MAKESTR(a) #a
261 | #define MAKEVER(a, b) MAKESTR(a*256+b)
262 |
263 | asm(" .section .version\n"
264 | "optiboot_version: .word " MAKEVER(OPTIBOOT_MAJVER, OPTIBOOT_MINVER) "\n"
265 | " .section .text\n");
266 |
267 | #include
268 | #include
269 | #include
270 |
271 | // uses sts instructions, but this version uses out instructions
272 | // This saves cycles and program memory.
273 | #include "boot.h"
274 |
275 |
276 | // We don't use as those routines have interrupt overhead we don't need.
277 |
278 | #include "pin_defs.h"
279 | #include "stk500.h"
280 |
281 | #ifndef LED_START_FLASHES
282 | #define LED_START_FLASHES 1
283 | #endif
284 |
285 | #ifdef LUDICROUS_SPEED
286 | #define BAUD_RATE 230400L
287 | #endif
288 |
289 | /* set the UART baud rate defaults */
290 | #ifndef BAUD_RATE
291 | #if F_CPU >= 8000000L
292 | #define BAUD_RATE 115200L // Highest rate Avrdude win32 will support
293 | #elsif F_CPU >= 1000000L
294 | #define BAUD_RATE 9600L // 19200 also supported, but with significant error
295 | #elsif F_CPU >= 128000L
296 | #define BAUD_RATE 4800L // Good for 128kHz internal RC
297 | #else
298 | #define BAUD_RATE 1200L // Good even at 32768Hz
299 | #endif
300 | #endif
301 |
302 | #ifndef UART
303 | #define UART 0
304 | #endif
305 |
306 | #define BAUD_SETTING (( (F_CPU + BAUD_RATE * 4L) / ((BAUD_RATE * 8L))) - 1 )
307 | #define BAUD_ACTUAL (F_CPU/(8 * ((BAUD_SETTING)+1)))
308 | #define BAUD_ERROR (( 100*(BAUD_RATE - BAUD_ACTUAL) ) / BAUD_RATE)
309 |
310 | #if BAUD_ERROR >= 5
311 | #error BAUD_RATE error greater than 5%
312 | #elif BAUD_ERROR <= -5
313 | #error BAUD_RATE error greater than -5%
314 | #elif BAUD_ERROR >= 2
315 | #warning BAUD_RATE error greater than 2%
316 | #elif BAUD_ERROR <= -2
317 | #warning BAUD_RATE error greater than -2%
318 | #endif
319 |
320 | #if 0
321 | /* Switch in soft UART for hard baud rates */
322 | /*
323 | * I don't understand what this was supposed to accomplish, where the
324 | * constant "280" came from, or why automatically (and perhaps unexpectedly)
325 | * switching to a soft uart is a good thing, so I'm undoing this in favor
326 | * of a range check using the same calc used to config the BRG...
327 | */
328 | #if (F_CPU/BAUD_RATE) > 280 // > 57600 for 16MHz
329 | #ifndef SOFT_UART
330 | #define SOFT_UART
331 | #endif
332 | #endif
333 | #else // 0
334 | #if (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 > 250
335 | #error Unachievable baud rate (too slow) BAUD_RATE
336 | #endif // baud rate slow check
337 | #if (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 < 3
338 | #error Unachievable baud rate (too fast) BAUD_RATE
339 | #endif // baud rate fastn check
340 | #endif
341 |
342 | /* Watchdog settings */
343 | #define WATCHDOG_OFF (0)
344 | #define WATCHDOG_16MS (_BV(WDE))
345 | #define WATCHDOG_32MS (_BV(WDP0) | _BV(WDE))
346 | #define WATCHDOG_64MS (_BV(WDP1) | _BV(WDE))
347 | #define WATCHDOG_125MS (_BV(WDP1) | _BV(WDP0) | _BV(WDE))
348 | #define WATCHDOG_250MS (_BV(WDP2) | _BV(WDE))
349 | #define WATCHDOG_500MS (_BV(WDP2) | _BV(WDP0) | _BV(WDE))
350 | #define WATCHDOG_1S (_BV(WDP2) | _BV(WDP1) | _BV(WDE))
351 | #define WATCHDOG_2S (_BV(WDP2) | _BV(WDP1) | _BV(WDP0) | _BV(WDE))
352 | #ifndef __AVR_ATmega8__
353 | #define WATCHDOG_4S (_BV(WDP3) | _BV(WDE))
354 | #define WATCHDOG_8S (_BV(WDP3) | _BV(WDP0) | _BV(WDE))
355 | #endif
356 |
357 | /* Function Prototypes */
358 | /* The main function is in init9, which removes the interrupt vector table */
359 | /* we don't need. It is also 'naked', which means the compiler does not */
360 | /* generate any entry or exit code itself. */
361 | int main(void) __attribute__ ((OS_main)) __attribute__ ((section (".init9")));
362 | void putch(char);
363 | uint8_t getch(void);
364 | static inline void getNch(uint8_t); /* "static inline" is a compiler hint to reduce code size */
365 | void verifySpace();
366 | static inline void flash_led(uint8_t);
367 | uint8_t getLen();
368 | static inline void watchdogReset();
369 | void watchdogConfig(uint8_t x);
370 | #ifdef SOFT_UART
371 | void uartDelay() __attribute__ ((naked));
372 | #endif
373 | void appStart(uint8_t rstFlags) __attribute__ ((naked));
374 |
375 | /*
376 | * NRWW memory
377 | * Addresses below NRWW (Non-Read-While-Write) can be programmed while
378 | * continuing to run code from flash, slightly speeding up programming
379 | * time. Beware that Atmel data sheets specify this as a WORD address,
380 | * while optiboot will be comparing against a 16-bit byte address. This
381 | * means that on a part with 128kB of memory, the upper part of the lower
382 | * 64k will get NRWW processing as well, even though it doesn't need it.
383 | * That's OK. In fact, you can disable the overlapping processing for
384 | * a part entirely by setting NRWWSTART to zero. This reduces code
385 | * space a bit, at the expense of being slightly slower, overall.
386 | *
387 | * RAMSTART should be self-explanatory. It's bigger on parts with a
388 | * lot of peripheral registers.
389 | */
390 | #if defined(__AVR_ATmega168__)
391 | #define RAMSTART (0x100)
392 | #define NRWWSTART (0x3800)
393 | #elif defined(__AVR_ATmega328P__) || defined(__AVR_ATmega32__)
394 | #define RAMSTART (0x100)
395 | #define NRWWSTART (0x7000)
396 | #elif defined (__AVR_ATmega644P__)
397 | #define RAMSTART (0x100)
398 | #define NRWWSTART (0xE000)
399 | // correct for a bug in avr-libc
400 | #undef SIGNATURE_2
401 | #define SIGNATURE_2 0x0A
402 | #elif defined (__AVR_ATmega1284P__)
403 | #define RAMSTART (0x100)
404 | #define NRWWSTART (0xE000)
405 | #elif defined(__AVR_ATtiny84__)
406 | #define RAMSTART (0x100)
407 | #define NRWWSTART (0x0000)
408 | #elif defined(__AVR_ATmega1280__)
409 | #define RAMSTART (0x200)
410 | #define NRWWSTART (0xE000)
411 | #elif defined(__AVR_ATmega8__) || defined(__AVR_ATmega88__)
412 | #define RAMSTART (0x100)
413 | #define NRWWSTART (0x1800)
414 | #endif
415 |
416 | /* C zero initialises all global variables. However, that requires */
417 | /* These definitions are NOT zero initialised, but that doesn't matter */
418 | /* This allows us to drop the zero init code, saving us memory */
419 | #define buff ((uint8_t*)(RAMSTART))
420 | #ifdef VIRTUAL_BOOT_PARTITION
421 | #define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4))
422 | #define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6))
423 | #endif
424 |
425 | /*
426 | * Handle devices with up to 4 uarts (eg m1280.) Rather inelegantly.
427 | * Note that mega8/m32 still needs special handling, because ubrr is handled
428 | * differently.
429 | */
430 | #if UART == 0
431 | # define UART_SRA UCSR0A
432 | # define UART_SRB UCSR0B
433 | # define UART_SRC UCSR0C
434 | # define UART_SRL UBRR0L
435 | # define UART_UDR UDR0
436 | #elif UART == 1
437 | #if !defined(UDR1)
438 | #error UART == 1, but no UART1 on device
439 | #endif
440 | # define UART_SRA UCSR1A
441 | # define UART_SRB UCSR1B
442 | # define UART_SRC UCSR1C
443 | # define UART_SRL UBRR1L
444 | # define UART_UDR UDR1
445 | #elif UART == 2
446 | #if !defined(UDR2)
447 | #error UART == 2, but no UART2 on device
448 | #endif
449 | # define UART_SRA UCSR2A
450 | # define UART_SRB UCSR2B
451 | # define UART_SRC UCSR2C
452 | # define UART_SRL UBRR2L
453 | # define UART_UDR UDR2
454 | #elif UART == 3
455 | #if !defined(UDR1)
456 | #error UART == 3, but no UART3 on device
457 | #endif
458 | # define UART_SRA UCSR3A
459 | # define UART_SRB UCSR3B
460 | # define UART_SRC UCSR3C
461 | # define UART_SRL UBRR3L
462 | # define UART_UDR UDR3
463 | #endif
464 |
465 | /******************* SPI FLASH Code **********************************/
466 | // This code will handle the reading/erasing the external SPI FLASH memory
467 | // assumed to have the SPI_CS on D8 on Moteino (Atmega328P)
468 | #define SPI_MODE0 0x00
469 | #define SPI_MODE_MASK 0x0C // CPOL = bit 3, CPHA = bit 2 on SPCR
470 | #define SPI_CLOCK_MASK 0x03 // SPR1 = bit 1, SPR0 = bit 0 on SPCR
471 | #define SPI_2XCLOCK_MASK 0x01 // SPI2X = bit 0 on SPSR
472 | #define SPI_CLOCK_DIV2 0x04
473 |
474 | #if defined(__AVR_ATmega168__) || defined(__AVR_ATmega328P__) || defined(__AVR_ATmega88) || defined(__AVR_ATmega8__) || defined(__AVR_ATmega88__)
475 | #define FLASHSS_DDR DDRB
476 | #define FLASHSS_PORT PORTB
477 | #define FLASHSS PINB0
478 | #define SS PINB2
479 | #elif defined (__AVR_ATmega1284P__) || defined (__AVR_ATmega644P__)
480 | #define FLASHSS_DDR DDRC
481 | #define FLASHSS_PORT PORTC
482 | #define FLASHSS PINC7
483 | #define SS PINB4
484 | #endif
485 |
486 | #define FLASH_SELECT { FLASHSS_PORT &= ~(_BV(FLASHSS)); }
487 | #define FLASH_UNSELECT { FLASHSS_PORT |= _BV(FLASHSS); }
488 |
489 | #define SPIFLASH_STATUSWRITE 0x01 // write status register
490 | #define SPIFLASH_STATUSREAD 0x05 // read status register
491 | #define SPIFLASH_WRITEENABLE 0x06 // write enable
492 | #define SPIFLASH_ARRAYREADLOWFREQ 0x03 // read array (low frequency)
493 | #define SPIFLASH_BLOCKERASE_32K 0x52 // erase one 32K block of flash memory
494 | #define SPIFLASH_BLOCKERASE_64K 0xD8 // erase one 64K block of flash memory
495 | #define SPIFLASH_JEDECID 0x9F // read JEDEC ID
496 | //#define DEBUG_ON // uncomment to enable Serial debugging
497 | // (will output different characters depending on which path the bootloader takes)
498 |
499 | uint8_t SPI_transfer(uint8_t _data) {
500 | SPDR = _data;
501 | while (!(SPSR & _BV(SPIF)));
502 | return SPDR;
503 | }
504 |
505 | uint8_t FLASH_busy()
506 | {
507 | FLASH_SELECT;
508 | SPI_transfer(SPIFLASH_STATUSREAD);
509 | uint8_t status = SPI_transfer(0);
510 | FLASH_UNSELECT;
511 | return status & 1;
512 | }
513 |
514 | void FLASH_command(uint8_t cmd, uint8_t isWrite){
515 | if (isWrite)
516 | {
517 | FLASH_command(SPIFLASH_WRITEENABLE, 0); // Write Enable
518 | FLASH_UNSELECT;
519 | }
520 | while(FLASH_busy()); //wait for chip to become available
521 | FLASH_SELECT;
522 | SPI_transfer(cmd);
523 | }
524 |
525 | uint8_t FLASH_readByte(uint32_t addr) {
526 | FLASH_command(SPIFLASH_ARRAYREADLOWFREQ, 0);
527 | SPI_transfer(addr >> 16);
528 | SPI_transfer(addr >> 8);
529 | SPI_transfer(addr);
530 | //SPI.transfer(0); //"dont care", needed with SPIFLASH_ARRAYREAD command only
531 | uint8_t result = SPI_transfer(0);
532 | FLASH_UNSELECT;
533 | return result;
534 | }
535 |
536 | void CheckFlashImage() {
537 | #ifdef DEBUG_ON
538 | putch('F');
539 | #endif
540 | watchdogConfig(WATCHDOG_OFF);
541 |
542 | //SPI INIT
543 | #if defined(__AVR_ATmega168__) || defined(__AVR_ATmega328P__) || defined(__AVR_ATmega88) || defined(__AVR_ATmega8__) || defined(__AVR_ATmega88__)
544 | DDRB |= _BV(FLASHSS) | _BV(SS) | _BV(PB3) | _BV(PB5); //OUTPUTS for FLASH_SS and SS, MOSI, SCK
545 | FLASH_UNSELECT; //unselect FLASH chip
546 | PORTB |= _BV(SS); //set SS HIGH
547 | #elif defined (__AVR_ATmega1284P__) || defined (__AVR_ATmega644P__)
548 | DDRC |= _BV(FLASHSS); //OUTPUT for FLASH_SS
549 | DDRB |= _BV(SS) | _BV(PB5) | _BV(PB7); //OUTPUTS for SS, MOSI, SCK
550 | FLASH_UNSELECT; //unselect FLASH chip
551 | PORTB |= _BV(SS); //set SS HIGH
552 | #endif
553 |
554 | //SPCR &= ~(_BV(DORD)); //MSB first
555 | //SPCR = (SPCR & ~SPI_MODE_MASK) | SPI_MODE0 ; //SPI MODE 0
556 | //SPCR = (SPCR & ~SPI_CLOCK_MASK) | (SPI_CLOCK_DIV2 & SPI_CLOCK_MASK); //clock divider = 2
557 | //SPSR = (SPSR & ~SPI_2XCLOCK_MASK) | ((SPI_CLOCK_DIV2 >> 2) & SPI_2XCLOCK_MASK);
558 |
559 | // Warning: if the SS pin ever becomes a LOW INPUT then SPI automatically switches to Slave, so the data direction of the SS pin MUST be kept as OUTPUT.
560 | SPCR |= _BV(MSTR) | _BV(SPE); //enable SPI and set SPI to MASTER mode
561 |
562 | //read first byte of JEDECID, if chip is present it should return a non-0 and non-FF value
563 | FLASH_SELECT;
564 | SPI_transfer(SPIFLASH_JEDECID);
565 | uint8_t deviceId = SPI_transfer(0);
566 | FLASH_UNSELECT;
567 | if (deviceId==0 || deviceId==0xFF) return;
568 |
569 | //global unprotect
570 | FLASH_command(SPIFLASH_STATUSWRITE, 1); //takes ~10.5ms to clear
571 | SPI_transfer(0);
572 | FLASH_UNSELECT;
573 |
574 | //check if any flash image exists on external FLASH chip
575 | if (FLASH_readByte(0)=='F' && FLASH_readByte(1)=='L' && FLASH_readByte(2)=='X' && FLASH_readByte(6)==':' && FLASH_readByte(9)==':')
576 | {
577 | #ifdef DEBUG_ON
578 | putch('L');
579 | #endif
580 |
581 | uint16_t imagesize = (FLASH_readByte(7)<<8) | FLASH_readByte(8);
582 | if (imagesize%2!=0) return; //basic check that we got even # of bytes
583 |
584 | uint16_t b, i, nextAddress=0;
585 |
586 | LED_PIN |= _BV(LED);
587 | for (i=0; i 0
686 | // Set up Timer 1 for timeout counter
687 | TCCR1B = _BV(CS12) | _BV(CS10); // div 1024
688 | #endif
689 | #ifndef SOFT_UART
690 | #if defined(__AVR_ATmega8__) || defined (__AVR_ATmega32__)
691 | UCSRA = _BV(U2X); //Double speed mode USART
692 | UCSRB = _BV(RXEN) | _BV(TXEN); // enable Rx & Tx
693 | UCSRC = _BV(URSEL) | _BV(UCSZ1) | _BV(UCSZ0); // config USART; 8N1
694 | UBRRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 );
695 | #else
696 | UART_SRA = _BV(U2X0); //Double speed mode USART0
697 | UART_SRB = _BV(RXEN0) | _BV(TXEN0);
698 | UART_SRC = _BV(UCSZ00) | _BV(UCSZ01);
699 | UART_SRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 );
700 | #endif
701 | #endif
702 |
703 | // Set up watchdog to trigger after 500ms
704 | watchdogConfig(WATCHDOG_1S);
705 |
706 | #if (LED_START_FLASHES > 0) || defined(LED_DATA_FLASH)
707 | /* Set LED pin as output */
708 | LED_DDR |= _BV(LED);
709 | #endif
710 |
711 | #ifdef SOFT_UART
712 | /* Set TX pin as output */
713 | UART_DDR |= _BV(UART_TX_BIT);
714 | #endif
715 |
716 | #if LED_START_FLASHES > 0
717 | /* Flash onboard LED to signal entering of bootloader */
718 | flash_led(LED_START_FLASHES * 2);
719 | #endif
720 |
721 | /* Forever loop */
722 | for (;;) {
723 | /* get character from UART */
724 | ch = getch();
725 |
726 | if(ch == STK_GET_PARAMETER) {
727 | unsigned char which = getch();
728 | verifySpace();
729 | if (which == 0x82) {
730 | /*
731 | * Send optiboot version as "minor SW version"
732 | */
733 | putch(OPTIBOOT_MINVER);
734 | } else if (which == 0x81) {
735 | putch(OPTIBOOT_MAJVER);
736 | } else {
737 | /*
738 | * GET PARAMETER returns a generic 0x03 reply for
739 | * other parameters - enough to keep Avrdude happy
740 | */
741 | putch(0x03);
742 | }
743 | }
744 | else if(ch == STK_SET_DEVICE) {
745 | // SET DEVICE is ignored
746 | getNch(20);
747 | }
748 | else if(ch == STK_SET_DEVICE_EXT) {
749 | // SET DEVICE EXT is ignored
750 | getNch(5);
751 | }
752 | else if(ch == STK_LOAD_ADDRESS) {
753 | // LOAD ADDRESS
754 | uint16_t newAddress;
755 | newAddress = getch();
756 | newAddress = (newAddress & 0xff) | (getch() << 8);
757 | #ifdef RAMPZ
758 | // Transfer top bit to RAMPZ
759 | RAMPZ = (newAddress & 0x8000) ? 1 : 0;
760 | #endif
761 | newAddress += newAddress; // Convert from word address to byte address
762 | address = newAddress;
763 | verifySpace();
764 | }
765 | else if(ch == STK_UNIVERSAL) {
766 | // UNIVERSAL command is ignored
767 | getNch(4);
768 | putch(0x00);
769 | }
770 | /* Write memory, length is big endian and is in bytes */
771 | else if(ch == STK_PROG_PAGE) {
772 | // PROGRAM PAGE - we support flash programming only, not EEPROM
773 | uint8_t *bufPtr;
774 | uint16_t addrPtr;
775 |
776 | getch(); /* getlen() */
777 | length = getch();
778 | getch();
779 |
780 | // If we are in RWW section, immediately start page erase
781 | if (address < NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address);
782 |
783 | // While that is going on, read in page contents
784 | bufPtr = buff;
785 | do *bufPtr++ = getch();
786 | while (--length);
787 |
788 | // If we are in NRWW section, page erase has to be delayed until now.
789 | // Todo: Take RAMPZ into account (not doing so just means that we will
790 | // treat the top of both "pages" of flash as NRWW, for a slight speed
791 | // decrease, so fixing this is not urgent.)
792 | if (address >= NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address);
793 |
794 | // Read command terminator, start reply
795 | verifySpace();
796 |
797 | // If only a partial page is to be programmed, the erase might not be complete.
798 | // So check that here
799 | boot_spm_busy_wait();
800 |
801 | #ifdef VIRTUAL_BOOT_PARTITION
802 | if ((uint16_t)(void*)address == 0) {
803 | // This is the reset vector page. We need to live-patch the code so the
804 | // bootloader runs.
805 | //
806 | // Move RESET vector to WDT vector
807 | uint16_t vect = buff[0] | (buff[1]<<8);
808 | rstVect = vect;
809 | wdtVect = buff[8] | (buff[9]<<8);
810 | vect -= 4; // Instruction is a relative jump (rjmp), so recalculate.
811 | buff[8] = vect & 0xff;
812 | buff[9] = vect >> 8;
813 |
814 | // Add jump to bootloader at RESET vector
815 | buff[0] = 0x7f;
816 | buff[1] = 0xce; // rjmp 0x1d00 instruction
817 | }
818 | #endif
819 |
820 | // Copy buffer into programming buffer
821 | bufPtr = buff;
822 | addrPtr = (uint16_t)(void*)address;
823 | ch = SPM_PAGESIZE / 2;
824 | do {
825 | uint16_t a;
826 | a = *bufPtr++;
827 | a |= (*bufPtr++) << 8;
828 | __boot_page_fill_short((uint16_t)(void*)addrPtr,a);
829 | addrPtr += 2;
830 | } while (--ch);
831 |
832 | // Write from programming buffer
833 | __boot_page_write_short((uint16_t)(void*)address);
834 | boot_spm_busy_wait();
835 |
836 | #if defined(RWWSRE)
837 | // Reenable read access to flash
838 | boot_rww_enable();
839 | #endif
840 |
841 | }
842 | /* Read memory block mode, length is big endian. */
843 | else if(ch == STK_READ_PAGE) {
844 | // READ PAGE - we only read flash
845 | getch(); /* getlen() */
846 | length = getch();
847 | getch();
848 |
849 | verifySpace();
850 | do {
851 | #ifdef VIRTUAL_BOOT_PARTITION
852 | // Undo vector patch in bottom page so verify passes
853 | if (address == 0) ch=rstVect & 0xff;
854 | else if (address == 1) ch=rstVect >> 8;
855 | else if (address == 8) ch=wdtVect & 0xff;
856 | else if (address == 9) ch=wdtVect >> 8;
857 | else ch = pgm_read_byte_near(address);
858 | address++;
859 | #elif defined(RAMPZ)
860 | // Since RAMPZ should already be set, we need to use EPLM directly.
861 | // Also, we can use the autoincrement version of lpm to update "address"
862 | // do putch(pgm_read_byte_near(address++));
863 | // while (--length);
864 | // read a Flash and increment the address (may increment RAMPZ)
865 | __asm__ ("elpm %0,Z+\n" : "=r" (ch), "=z" (address): "1" (address));
866 | #else
867 | // read a Flash byte and increment the address
868 | __asm__ ("lpm %0,Z+\n" : "=r" (ch), "=z" (address): "1" (address));
869 | #endif
870 | putch(ch);
871 | } while (--length);
872 | }
873 |
874 | /* Get device signature bytes */
875 | else if(ch == STK_READ_SIGN) {
876 | // READ SIGN - return what Avrdude wants to hear
877 | verifySpace();
878 | putch(SIGNATURE_0);
879 | putch(SIGNATURE_1);
880 | putch(SIGNATURE_2);
881 | }
882 | else if (ch == STK_LEAVE_PROGMODE) { /* 'Q' */
883 | // Adaboot no-wait mod
884 | watchdogConfig(WATCHDOG_16MS);
885 | verifySpace();
886 | }
887 | else {
888 | // This covers the response to commands like STK_ENTER_PROGMODE
889 | verifySpace();
890 | }
891 | putch(STK_OK);
892 | }
893 | }
894 |
895 | void putch(char ch) {
896 | #ifndef SOFT_UART
897 | while (!(UART_SRA & _BV(UDRE0)));
898 | UART_UDR = ch;
899 | #else
900 | __asm__ __volatile__ (
901 | " com %[ch]\n" // ones complement, carry set
902 | " sec\n"
903 | "1: brcc 2f\n"
904 | " cbi %[uartPort],%[uartBit]\n"
905 | " rjmp 3f\n"
906 | "2: sbi %[uartPort],%[uartBit]\n"
907 | " nop\n"
908 | "3: rcall uartDelay\n"
909 | " rcall uartDelay\n"
910 | " lsr %[ch]\n"
911 | " dec %[bitcnt]\n"
912 | " brne 1b\n"
913 | :
914 | :
915 | [bitcnt] "d" (10),
916 | [ch] "r" (ch),
917 | [uartPort] "I" (_SFR_IO_ADDR(UART_PORT)),
918 | [uartBit] "I" (UART_TX_BIT)
919 | :
920 | "r25"
921 | );
922 | #endif
923 | }
924 |
925 | uint8_t getch(void) {
926 | uint8_t ch;
927 |
928 | #ifdef LED_DATA_FLASH
929 | #if defined(__AVR_ATmega8__) || defined (__AVR_ATmega32__)
930 | LED_PORT ^= _BV(LED);
931 | #else
932 | LED_PIN |= _BV(LED);
933 | #endif
934 | #endif
935 |
936 | #ifdef SOFT_UART
937 | __asm__ __volatile__ (
938 | "1: sbic %[uartPin],%[uartBit]\n" // Wait for start edge
939 | " rjmp 1b\n"
940 | " rcall uartDelay\n" // Get to middle of start bit
941 | "2: rcall uartDelay\n" // Wait 1 bit period
942 | " rcall uartDelay\n" // Wait 1 bit period
943 | " clc\n"
944 | " sbic %[uartPin],%[uartBit]\n"
945 | " sec\n"
946 | " dec %[bitCnt]\n"
947 | " breq 3f\n"
948 | " ror %[ch]\n"
949 | " rjmp 2b\n"
950 | "3:\n"
951 | :
952 | [ch] "=r" (ch)
953 | :
954 | [bitCnt] "d" (9),
955 | [uartPin] "I" (_SFR_IO_ADDR(UART_PIN)),
956 | [uartBit] "I" (UART_RX_BIT)
957 | :
958 | "r25"
959 | );
960 | #else
961 | while(!(UART_SRA & _BV(RXC0)))
962 | ;
963 | if (!(UART_SRA & _BV(FE0))) {
964 | /*
965 | * A Framing Error indicates (probably) that something is talking
966 | * to us at the wrong bit rate. Assume that this is because it
967 | * expects to be talking to the application, and DON'T reset the
968 | * watchdog. This should cause the bootloader to abort and run
969 | * the application "soon", if it keeps happening. (Note that we
970 | * don't care that an invalid char is returned...)
971 | */
972 | watchdogReset();
973 | }
974 |
975 | ch = UART_UDR;
976 | #endif
977 |
978 | #ifdef LED_DATA_FLASH
979 | #if defined(__AVR_ATmega8__) || defined (__AVR_ATmega32__)
980 | LED_PORT ^= _BV(LED);
981 | #else
982 | LED_PIN |= _BV(LED);
983 | #endif
984 | #endif
985 |
986 | return ch;
987 | }
988 |
989 | #ifdef SOFT_UART
990 | // AVR305 equation: #define UART_B_VALUE (((F_CPU/BAUD_RATE)-23)/6)
991 | // Adding 3 to numerator simulates nearest rounding for more accurate baud rates
992 | #define UART_B_VALUE (((F_CPU/BAUD_RATE)-20)/6)
993 | #if UART_B_VALUE > 255
994 | #error Baud rate too slow for soft UART
995 | #endif
996 |
997 | void uartDelay() {
998 | __asm__ __volatile__ (
999 | "ldi r25,%[count]\n"
1000 | "1:dec r25\n"
1001 | "brne 1b\n"
1002 | "ret\n"
1003 | ::[count] "M" (UART_B_VALUE)
1004 | );
1005 | }
1006 | #endif
1007 |
1008 | void getNch(uint8_t count) {
1009 | do getch(); while (--count);
1010 | verifySpace();
1011 | }
1012 |
1013 | void verifySpace() {
1014 | if (getch() != CRC_EOP) {
1015 | watchdogConfig(WATCHDOG_16MS); // shorten WD timeout
1016 | while (1) // and busy-loop so that WD causes
1017 | ; // a reset and app start.
1018 | }
1019 | putch(STK_INSYNC);
1020 | }
1021 |
1022 | #if LED_START_FLASHES > 0
1023 | void flash_led(uint8_t count) {
1024 | do {
1025 | TCNT1 = -(F_CPU/(1024*16));
1026 | TIFR1 = _BV(TOV1);
1027 | while(!(TIFR1 & _BV(TOV1)));
1028 | #if defined(__AVR_ATmega8__) || defined (__AVR_ATmega32__)
1029 | LED_PORT ^= _BV(LED);
1030 | #else
1031 | LED_PIN |= _BV(LED);
1032 | #endif
1033 | watchdogReset();
1034 | } while (--count);
1035 | }
1036 | #endif
1037 |
1038 | // Watchdog functions. These are only safe with interrupts turned off.
1039 | void watchdogReset() {
1040 | __asm__ __volatile__ (
1041 | "wdr\n"
1042 | );
1043 | }
1044 |
1045 | void watchdogConfig(uint8_t x) {
1046 | if (x == WATCHDOG_OFF) MCUSR &= ~(_BV(WDRF));
1047 | WDTCSR = _BV(WDCE) | _BV(WDE);
1048 | WDTCSR = x;
1049 | }
1050 |
1051 | void appStart(uint8_t rstFlags) {
1052 | // save the reset flags in the designated register
1053 | // This can be saved in a main program by putting code in .init0 (which
1054 | // executes before normal c init code) to save R2 to a global variable.
1055 | __asm__ __volatile__ ("mov r2, %0\n" :: "r" (rstFlags));
1056 |
1057 | watchdogConfig(WATCHDOG_OFF);
1058 | __asm__ __volatile__ (
1059 | #ifdef VIRTUAL_BOOT_PARTITION
1060 | // Jump to WDT vector
1061 | "ldi r30,4\n"
1062 | "clr r31\n"
1063 | #else
1064 | // Jump to RST vector
1065 | "clr r30\n"
1066 | "clr r31\n"
1067 | #endif
1068 | "ijmp\n"
1069 | );
1070 | }
1071 |
--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
1 | DualOptiboot
2 | ============
3 |
4 | Customized Optiboot bootloader allows reflashing Moteino/AVR boards from an external serial FLASH memory chip.
5 | This makes it possible to wirelessly program a Moteino remotely by first transferring the compiled HEX binary wirelessly (ex. with an RFM69 transceiver), then restarting the board to allow the bootloader to pick it up and reflash the atmega's program area.
6 | Copyright Felix Rusu (2013-2019), lowpowerlab.com/contact
7 | More at: http://lowpowerlab.com/Moteino
8 |
9 | This Optiboot version is modified to add the capability of reflashing
10 | from an external SPI flash memory chip. As configured this will work
11 | with [Moteinos](www.lowpowerlab.com/guide/moteino) provided a SPI flash chip
12 | is present on the dedicated onboard footprint.
13 |
14 | ### Summary of how this Optiboot version works:
15 | - it looks for an external flash chip
16 | - if one is found (SPI returns valid data) it will further look
17 | for a new sketch flash image signature and size
18 | starting at address 0: FLXIMG:9999:XXXXXXXXXXX
19 | where: - 'FLXIMG' is fixed signature indicating FLASH chip
20 | contains a valid new flash image to be burned
21 | - '9999' are 4 size bytes indicating how long the
22 | new flash image is (how many bytes to read)
23 | - 'XXXXXX' are the de-hexified bytes of the flash
24 | pages to be burned
25 | - ':' colons have fixed positions (delimiters)
26 | - if no valid signature/size are found, it will skip and
27 | function as it normally would (listen to STK500 protocol on serial port)
28 |
29 | The added code will result in a compiled size of just under 1kb
30 | (Originally Optiboot takes just under 0.5kb)
31 |
32 | -------------------------------------------------------------------------------------------------------------
33 |
34 | To compile copy the Optiboot.c and Makefile files where Optiboot is originally located, mine is at:
35 | arduino-install-dir\hardware\arduino\bootloaders\optiboot\
36 | Backup the original files andbefore overwrite both files.
37 |
38 | Then compile by running:
39 | - `make atmega328`
40 | - `make atmega1284p`
41 | - For Moteino-8Mhz: `make atmega328 AVR_FREQ=8000000L BAUD_RATE=57600`
42 |
43 | ## License
44 | GPL 3.0. See License.txt file.
--------------------------------------------------------------------------------
/pin_defs.h:
--------------------------------------------------------------------------------
1 | /*------------------------------------------------------------------------ */
2 | #if defined(__AVR_ATmega168__) || defined(__AVR_ATmega328P__) || defined(__AVR_ATmega88) || defined(__AVR_ATmega8__) || defined(__AVR_ATmega88__)
3 | /*------------------------------------------------------------------------ */
4 |
5 | /* Onboard LED is connected to pin PB5 in Arduino NG, Diecimila, and Duemilanove
6 | */
7 | #if !defined(LED)
8 | #define LED B1 //D9
9 | #endif
10 |
11 | /* Ports for soft UART */
12 | #ifdef SOFT_UART
13 | #define UART_PORT PORTD
14 | #define UART_PIN PIND
15 | #define UART_DDR DDRD
16 | #define UART_TX_BIT 1
17 | #define UART_RX_BIT 0
18 | #endif
19 | #endif
20 |
21 | #if defined(__AVR_ATmega8__) || defined(__AVR_ATmega32__)
22 | //Name conversion R.Wiersma
23 | #define UCSR0A UCSRA
24 | #define UDR0 UDR
25 | #define UDRE0 UDRE
26 | #define RXC0 RXC
27 | #define FE0 FE
28 | #define TIFR1 TIFR
29 | #define WDTCSR WDTCR
30 | #endif
31 | #if defined(__AVR_ATmega32__)
32 | #define WDCE WDTOE
33 | #endif
34 |
35 | /* Luminet support */
36 | /*------------------------------------------------------------------------ */
37 | #if defined(__AVR_ATtiny84__)
38 | /*------------------------------------------------------------------------ */
39 | /* Red LED is connected to pin PA4 */
40 | #if !defined(LED)
41 | #define LED A4
42 | #endif
43 |
44 | /* Ports for soft UART - left port only for now. TX/RX on PA2/PA3 */
45 | #ifdef SOFT_UART
46 | #define UART_PORT PORTA
47 | #define UART_PIN PINA
48 | #define UART_DDR DDRA
49 | #define UART_TX_BIT 2
50 | #define UART_RX_BIT 3
51 | #endif
52 | #endif
53 |
54 | /*------------------------------------------------------------------------ */
55 | /* Sanguino support (and other 40pin DIP cpus) */
56 | #if defined(__AVR_ATmega644P__) || defined(__AVR_ATmega1284P__) || defined(__AVR_ATmega32__)
57 | /*------------------------------------------------------------------------ */
58 | /* Onboard LED is connected to pin PB0 on Sanguino */
59 | #if !defined(LED)
60 | #define LED D7 //Moteino MEGA D15
61 | #endif
62 |
63 | /* Ports for soft UART */
64 | #ifdef SOFT_UART
65 | #define UART_PORT PORTD
66 | #define UART_PIN PIND
67 | #define UART_DDR DDRD
68 | #define UART_TX_BIT 1
69 | #define UART_RX_BIT 0
70 | #endif
71 | #endif
72 |
73 | /*------------------------------------------------------------------------ */
74 | /* Mega support */
75 | #if defined(__AVR_ATmega1280__)
76 | /*------------------------------------------------------------------------ */
77 | /* Onboard LED is connected to pin PB7 on Arduino Mega */
78 | #if !defined(LED)
79 | #define LED B7
80 | #endif
81 |
82 | /* Ports for soft UART */
83 | #ifdef SOFT_UART
84 | #define UART_PORT PORTE
85 | #define UART_PIN PINE
86 | #define UART_DDR DDRE
87 | #define UART_TX_BIT 1
88 | #define UART_RX_BIT 0
89 | #endif
90 | #endif
91 |
92 | /*
93 | * ------------------------------------------------------------------------
94 | * A bunch of macros to enable the LED to be specifed as "B5" for bit 5
95 | * of port B, and similar.
96 | */
97 |
98 | #define A0 0x100
99 | #define A1 0x101
100 | #define A2 0x102
101 | #define A3 0x103
102 | #define A4 0x104
103 | #define A5 0x105
104 | #define A6 0x106
105 | #define A7 0x107
106 |
107 | #define B0 0x200
108 | #define B1 0x201
109 | #define B2 0x202
110 | #define B3 0x203
111 | #define B4 0x204
112 | #define B5 0x205
113 | #define B6 0x206
114 | #define B7 0x207
115 |
116 | #define C0 0x300
117 | #define C1 0x301
118 | #define C2 0x302
119 | #define C3 0x303
120 | #define C4 0x304
121 | #define C5 0x305
122 | #define C6 0x306
123 | #define C7 0x307
124 |
125 | #define D0 0x400
126 | #define D1 0x401
127 | #define D2 0x402
128 | #define D3 0x403
129 | #define D4 0x404
130 | #define D5 0x405
131 | #define D6 0x406
132 | #define D7 0x407
133 |
134 | #define E0 0x500
135 | #define E1 0x501
136 | #define E2 0x502
137 | #define E3 0x503
138 | #define E4 0x504
139 | #define E5 0x505
140 | #define E6 0x506
141 | #define E7 0x507
142 |
143 | #define F0 0x600
144 | #define F1 0x601
145 | #define F2 0x602
146 | #define F3 0x603
147 | #define F4 0x604
148 | #define F5 0x605
149 | #define F6 0x606
150 | #define F7 0x607
151 |
152 | #define G0 0x700
153 | #define G1 0x701
154 | #define G2 0x702
155 | #define G3 0x703
156 | #define G4 0x704
157 | #define G5 0x705
158 | #define G6 0x706
159 | #define G7 0x707
160 |
161 | #define H0 0x800
162 | #define H1 0x801
163 | #define H2 0x802
164 | #define H3 0x803
165 | #define H4 0x804
166 | #define H5 0x805
167 | #define H6 0x806
168 | #define H7 0x807
169 |
170 | #define J0 0xA00
171 | #define J1 0xA01
172 | #define J2 0xA02
173 | #define J3 0xA03
174 | #define J4 0xA04
175 | #define J5 0xA05
176 | #define J6 0xA06
177 | #define J7 0xA07
178 |
179 | #define K0 0xB00
180 | #define K1 0xB01
181 | #define K2 0xB02
182 | #define K3 0xB03
183 | #define K4 0xB04
184 | #define K5 0xB05
185 | #define K6 0xB06
186 | #define K7 0xB07
187 |
188 | #define L0 0xC00
189 | #define L1 0xC01
190 | #define L2 0xC02
191 | #define L3 0xC03
192 | #define L4 0xC04
193 | #define L5 0xC05
194 | #define L6 0xC06
195 | #define L7 0xC07
196 |
197 |
198 |
199 | #if LED == B0
200 | #undef LED
201 | #define LED_DDR DDRB
202 | #define LED_PORT PORTB
203 | #define LED_PIN PINB
204 | #define LED PINB0
205 | #elif LED == B1
206 | #undef LED
207 | #define LED_DDR DDRB
208 | #define LED_PORT PORTB
209 | #define LED_PIN PINB
210 | #define LED PINB1
211 | #elif LED == B2
212 | #undef LED
213 | #define LED_DDR DDRB
214 | #define LED_PORT PORTB
215 | #define LED_PIN PINB
216 | #define LED PINB2
217 | #elif LED == B3
218 | #undef LED
219 | #define LED_DDR DDRB
220 | #define LED_PORT PORTB
221 | #define LED_PIN PINB
222 | #define LED PINB3
223 | #elif LED == B4
224 | #undef LED
225 | #define LED_DDR DDRB
226 | #define LED_PORT PORTB
227 | #define LED_PIN PINB
228 | #define LED PINB4
229 | #elif LED == B5
230 | #undef LED
231 | #define LED_DDR DDRB
232 | #define LED_PORT PORTB
233 | #define LED_PIN PINB
234 | #define LED PINB5
235 | #elif LED == B6
236 | #undef LED
237 | #define LED_DDR DDRB
238 | #define LED_PORT PORTB
239 | #define LED_PIN PINB
240 | #define LED PINB6
241 | #elif LED == B7
242 | #undef LED
243 | #define LED_DDR DDRB
244 | #define LED_PORT PORTB
245 | #define LED_PIN PINB
246 | #define LED PINB7
247 |
248 | #elif LED == C0
249 | #undef LED
250 | #define LED_DDR DDRC
251 | #define LED_PORT PORTC
252 | #define LED_PIN PINC
253 | #define LED PINC0
254 | #elif LED == C1
255 | #undef LED
256 | #define LED_DDR DDRC
257 | #define LED_PORT PORTC
258 | #define LED_PIN PINC
259 | #define LED PINC1
260 | #elif LED == C2
261 | #undef LED
262 | #define LED_DDR DDRC
263 | #define LED_PORT PORTC
264 | #define LED_PIN PINC
265 | #define LED PINC2
266 | #elif LED == C3
267 | #undef LED
268 | #define LED_DDR DDRC
269 | #define LED_PORT PORTC
270 | #define LED_PIN PINC
271 | #define LED PINC3
272 | #elif LED == C4
273 | #undef LED
274 | #define LED_DDR DDRC
275 | #define LED_PORT PORTC
276 | #define LED_PIN PINC
277 | #define LED PINC4
278 | #elif LED == C5
279 | #undef LED
280 | #define LED_DDR DDRC
281 | #define LED_PORT PORTC
282 | #define LED_PIN PINC
283 | #define LED PINC5
284 | #elif LED == C6
285 | #undef LED
286 | #define LED_DDR DDRC
287 | #define LED_PORT PORTC
288 | #define LED_PIN PINC
289 | #define LED PINC6
290 | #elif LED == C7
291 | #undef LED
292 | #define LED_DDR DDRC
293 | #define LED_PORT PORTC
294 | #define LED_PIN PINC
295 | #define LED PINC7
296 |
297 | #elif LED == D0
298 | #undef LED
299 | #define LED_DDR DDRD
300 | #define LED_PORT PORTD
301 | #define LED_PIN PIND
302 | #define LED PIND0
303 | #elif LED == D1
304 | #undef LED
305 | #define LED_DDR DDRD
306 | #define LED_PORT PORTD
307 | #define LED_PIN PIND
308 | #define LED PIND1
309 | #elif LED == D2
310 | #undef LED
311 | #define LED_DDR DDRD
312 | #define LED_PORT PORTD
313 | #define LED_PIN PIND
314 | #define LED PIND2
315 | #elif LED == D3
316 | #undef LED
317 | #define LED_DDR DDRD
318 | #define LED_PORT PORTD
319 | #define LED_PIN PIND
320 | #define LED PIND3
321 | #elif LED == D4
322 | #undef LED
323 | #define LED_DDR DDRD
324 | #define LED_PORT PORTD
325 | #define LED_PIN PIND
326 | #define LED PIND4
327 | #elif LED == D5
328 | #undef LED
329 | #define LED_DDR DDRD
330 | #define LED_PORT PORTD
331 | #define LED_PIN PIND
332 | #define LED PIND5
333 | #elif LED == D6
334 | #undef LED
335 | #define LED_DDR DDRD
336 | #define LED_PORT PORTD
337 | #define LED_PIN PIND
338 | #define LED PIND6
339 | #elif LED == D7
340 | #undef LED
341 | #define LED_DDR DDRD
342 | #define LED_PORT PORTD
343 | #define LED_PIN PIND
344 | #define LED PIND7
345 |
346 | #elif LED == E0
347 | #undef LED
348 | #define LED_DDR DDRE
349 | #define LED_PORT PORTE
350 | #define LED_PIN PINE
351 | #define LED PINE0
352 | #elif LED == E1
353 | #undef LED
354 | #define LED_DDR DDRE
355 | #define LED_PORT PORTE
356 | #define LED_PIN PINE
357 | #define LED PINE1
358 | #elif LED == E2
359 | #undef LED
360 | #define LED_DDR DDRE
361 | #define LED_PORT PORTE
362 | #define LED_PIN PINE
363 | #define LED PINE2
364 | #elif LED == E3
365 | #undef LED
366 | #define LED_DDR DDRE
367 | #define LED_PORT PORTE
368 | #define LED_PIN PINE
369 | #define LED PINE3
370 | #elif LED == E4
371 | #undef LED
372 | #define LED_DDR DDRE
373 | #define LED_PORT PORTE
374 | #define LED_PIN PINE
375 | #define LED PINE4
376 | #elif LED == E5
377 | #undef LED
378 | #define LED_DDR DDRE
379 | #define LED_PORT PORTE
380 | #define LED_PIN PINE
381 | #define LED PINE5
382 | #elif LED == E6
383 | #undef LED
384 | #define LED_DDR DDRE
385 | #define LED_PORT PORTE
386 | #define LED_PIN PINE
387 | #define LED PINE6
388 | #elif LED == E7
389 | #undef LED
390 | #define LED_DDR DDRE
391 | #define LED_PORT PORTE
392 | #define LED_PIN PINE
393 | #define LED PINE7
394 |
395 | #elif LED == F0
396 | #undef LED
397 | #define LED_DDR DDRF
398 | #define LED_PORT PORTF
399 | #define LED_PIN PINF
400 | #define LED PINF0
401 | #elif LED == F1
402 | #undef LED
403 | #define LED_DDR DDRF
404 | #define LED_PORT PORTF
405 | #define LED_PIN PINF
406 | #define LED PINF1
407 | #elif LED == F2
408 | #undef LED
409 | #define LED_DDR DDRF
410 | #define LED_PORT PORTF
411 | #define LED_PIN PINF
412 | #define LED PINF2
413 | #elif LED == F3
414 | #undef LED
415 | #define LED_DDR DDRF
416 | #define LED_PORT PORTF
417 | #define LED_PIN PINF
418 | #define LED PINF3
419 | #elif LED == F4
420 | #undef LED
421 | #define LED_DDR DDRF
422 | #define LED_PORT PORTF
423 | #define LED_PIN PINF
424 | #define LED PINF4
425 | #elif LED == F5
426 | #undef LED
427 | #define LED_DDR DDRF
428 | #define LED_PORT PORTF
429 | #define LED_PIN PINF
430 | #define LED PINF5
431 | #elif LED == F6
432 | #undef LED
433 | #define LED_DDR DDRF
434 | #define LED_PORT PORTF
435 | #define LED_PIN PINF
436 | #define LED PINF6
437 | #elif LED == F7
438 | #undef LED
439 | #define LED_DDR DDRF
440 | #define LED_PORT PORTF
441 | #define LED_PIN PINF
442 | #define LED PINF7
443 |
444 | #elif LED == G0
445 | #undef LED
446 | #define LED_DDR DDRG
447 | #define LED_PORT PORTG
448 | #define LED_PIN PING
449 | #define LED PING0
450 | #elif LED == G1
451 | #undef LED
452 | #define LED_DDR DDRG
453 | #define LED_PORT PORTG
454 | #define LED_PIN PING
455 | #define LED PING1
456 | #elif LED == G2
457 | #undef LED
458 | #define LED_DDR DDRG
459 | #define LED_PORT PORTG
460 | #define LED_PIN PING
461 | #define LED PING2
462 | #elif LED == G3
463 | #undef LED
464 | #define LED_DDR DDRG
465 | #define LED_PORT PORTG
466 | #define LED_PIN PING
467 | #define LED PING3
468 | #elif LED == G4
469 | #undef LED
470 | #define LED_DDR DDRG
471 | #define LED_PORT PORTG
472 | #define LED_PIN PING
473 | #define LED PING4
474 | #elif LED == G5
475 | #undef LED
476 | #define LED_DDR DDRG
477 | #define LED_PORT PORTG
478 | #define LED_PIN PING
479 | #define LED PING5
480 | #elif LED == G6
481 | #undef LED
482 | #define LED_DDR DDRG
483 | #define LED_PORT PORTG
484 | #define LED_PIN PING
485 | #define LED PING6
486 | #elif LED == G7
487 | #undef LED
488 | #define LED_DDR DDRG
489 | #define LED_PORT PORTG
490 | #define LED_PIN PING
491 | #define LED PING7
492 |
493 | #elif LED == H0
494 | #undef LED
495 | #define LED_DDR DDRH
496 | #define LED_PORT PORTH
497 | #define LED_PIN PINH
498 | #define LED PINH0
499 | #elif LED == H1
500 | #undef LED
501 | #define LED_DDR DDRH
502 | #define LED_PORT PORTH
503 | #define LED_PIN PINH
504 | #define LED PINH1
505 | #elif LED == H2
506 | #undef LED
507 | #define LED_DDR DDRH
508 | #define LED_PORT PORTH
509 | #define LED_PIN PINH
510 | #define LED PINH2
511 | #elif LED == H3
512 | #undef LED
513 | #define LED_DDR DDRH
514 | #define LED_PORT PORTH
515 | #define LED_PIN PINH
516 | #define LED PINH3
517 | #elif LED == H4
518 | #undef LED
519 | #define LED_DDR DDRH
520 | #define LED_PORT PORTH
521 | #define LED_PIN PINH
522 | #define LED PINH4
523 | #elif LED == H5
524 | #undef LED
525 | #define LED_DDR DDRH
526 | #define LED_PORT PORTH
527 | #define LED_PIN PINH
528 | #define LED PINH5
529 | #elif LED == H6
530 | #undef LED
531 | #define LED_DDR DDRH
532 | #define LED_PORT PORTH
533 | #define LED_PIN PINH
534 | #define LED PINH6
535 | #elif LED == H7
536 | #undef LED
537 | #define LED_DDR DDRH
538 | #define LED_PORT PORTH
539 | #define LED_PIN PINH
540 | #define LED PINH7
541 |
542 | #elif LED == J0
543 | #undef LED
544 | #define LED_DDR DDRJ
545 | #define LED_PORT PORTJ
546 | #define LED_PIN PINJ
547 | #define LED PINJ0
548 | #elif LED == J1
549 | #undef LED
550 | #define LED_DDR DDRJ
551 | #define LED_PORT PORTJ
552 | #define LED_PIN PINJ
553 | #define LED PINJ1
554 | #elif LED == J2
555 | #undef LED
556 | #define LED_DDR DDRJ
557 | #define LED_PORT PORTJ
558 | #define LED_PIN PINJ
559 | #define LED PINJ2
560 | #elif LED == J3
561 | #undef LED
562 | #define LED_DDR DDRJ
563 | #define LED_PORT PORTJ
564 | #define LED_PIN PINJ
565 | #define LED PINJ3
566 | #elif LED == J4
567 | #undef LED
568 | #define LED_DDR DDRJ
569 | #define LED_PORT PORTJ
570 | #define LED_PIN PINJ
571 | #define LED PINJ4
572 | #elif LED == J5
573 | #undef LED
574 | #define LED_DDR DDRJ
575 | #define LED_PORT PORTJ
576 | #define LED_PIN PINJ
577 | #define LED PINJ5
578 | #elif LED == J6
579 | #undef LED
580 | #define LED_DDR DDRJ
581 | #define LED_PORT PORTJ
582 | #define LED_PIN PINJ
583 | #define LED PINJ6
584 | #elif LED == J7
585 | #undef LED
586 | #define LED_DDR DDRJ
587 | #define LED_PORT PORTJ
588 | #define LED_PIN PINJ
589 | #define LED PINJ7
590 |
591 | #elif LED == K0
592 | #undef LED
593 | #define LED_DDR DDRK
594 | #define LED_PORT PORTK
595 | #define LED_PIN PINK
596 | #define LED PINK0
597 | #elif LED == K1
598 | #undef LED
599 | #define LED_DDR DDRK
600 | #define LED_PORT PORTK
601 | #define LED_PIN PINK
602 | #define LED PINK1
603 | #elif LED == K2
604 | #undef LED
605 | #define LED_DDR DDRK
606 | #define LED_PORT PORTK
607 | #define LED_PIN PINK
608 | #define LED PINK2
609 | #elif LED == K3
610 | #undef LED
611 | #define LED_DDR DDRK
612 | #define LED_PORT PORTK
613 | #define LED_PIN PINK
614 | #define LED PINK3
615 | #elif LED == K4
616 | #undef LED
617 | #define LED_DDR DDRK
618 | #define LED_PORT PORTK
619 | #define LED_PIN PINK
620 | #define LED PINK4
621 | #elif LED == K5
622 | #undef LED
623 | #define LED_DDR DDRK
624 | #define LED_PORT PORTK
625 | #define LED_PIN PINK
626 | #define LED PINK5
627 | #elif LED == K6
628 | #undef LED
629 | #define LED_DDR DDRK
630 | #define LED_PORT PORTK
631 | #define LED_PIN PINK
632 | #define LED PINK6
633 | #elif LED == K7
634 | #undef LED
635 | #define LED_DDR DDRK
636 | #define LED_PORT PORTK
637 | #define LED_PIN PINK
638 | #define LED PINK7
639 |
640 | #elif LED == L0
641 | #undef LED
642 | #define LED_DDR DDRL
643 | #define LED_PORT PORTL
644 | #define LED_PIN PINL
645 | #define LED PINL0
646 | #elif LED == L1
647 | #undef LED
648 | #define LED_DDR DDRL
649 | #define LED_PORT PORTL
650 | #define LED_PIN PINL
651 | #define LED PINL1
652 | #elif LED == L2
653 | #undef LED
654 | #define LED_DDR DDRL
655 | #define LED_PORT PORTL
656 | #define LED_PIN PINL
657 | #define LED PINL2
658 | #elif LED == L3
659 | #undef LED
660 | #define LED_DDR DDRL
661 | #define LED_PORT PORTL
662 | #define LED_PIN PINL
663 | #define LED PINL3
664 | #elif LED == L4
665 | #undef LED
666 | #define LED_DDR DDRL
667 | #define LED_PORT PORTL
668 | #define LED_PIN PINL
669 | #define LED PINL4
670 | #elif LED == L5
671 | #undef LED
672 | #define LED_DDR DDRL
673 | #define LED_PORT PORTL
674 | #define LED_PIN PINL
675 | #define LED PINL5
676 | #elif LED == L6
677 | #undef LED
678 | #define LED_DDR DDRL
679 | #define LED_PORT PORTL
680 | #define LED_PIN PINL
681 | #define LED PINL6
682 | #elif LED == L7
683 | #undef LED
684 | #define LED_DDR DDRL
685 | #define LED_PORT PORTL
686 | #define LED_PIN PINL
687 | #define LED PINL7
688 |
689 | #elif LED == A0
690 | #undef LED
691 | #define LED_DDR DDRA
692 | #define LED_PORT PORTA
693 | #define LED_PIN PINA
694 | #define LED PINA0
695 | #elif LED == A1
696 | #undef LED
697 | #define LED_DDR DDRA
698 | #define LED_PORT PORTA
699 | #define LED_PIN PINA
700 | #define LED PINA1
701 | #elif LED == A2
702 | #undef LED
703 | #define LED_DDR DDRA
704 | #define LED_PORT PORTA
705 | #define LED_PIN PINA
706 | #define LED PINA2
707 | #elif LED == A3
708 | #undef LED
709 | #define LED_DDR DDRA
710 | #define LED_PORT PORTA
711 | #define LED_PIN PINA
712 | #define LED PINA3
713 | #elif LED == A4
714 | #undef LED
715 | #define LED_DDR DDRA
716 | #define LED_PORT PORTA
717 | #define LED_PIN PINA
718 | #define LED PINA4
719 | #elif LED == A5
720 | #undef LED
721 | #define LED_DDR DDRA
722 | #define LED_PORT PORTA
723 | #define LED_PIN PINA
724 | #define LED PINA5
725 | #elif LED == A6
726 | #undef LED
727 | #define LED_DDR DDRA
728 | #define LED_PORT PORTA
729 | #define LED_PIN PINA
730 | #define LED PINA6
731 | #elif LED == A7
732 | #undef LED
733 | #define LED_DDR DDRA
734 | #define LED_PORT PORTA
735 | #define LED_PIN PINA
736 | #define LED PINA7
737 |
738 | #else
739 | #error -------------------------------------------
740 | #error Unrecognized LED name. Should be like "B5"
741 | #error -------------------------------------------
742 | #endif
743 |
--------------------------------------------------------------------------------