├── .gitignore ├── .vscode └── extensions.json ├── LICENSE ├── README.md ├── include └── README ├── lib └── README ├── pcb ├── ControllaBLE-Dual-SNES-v02.brd ├── ControllaBLE-Dual-SNES-v02.sch └── ControllaBLE-Dual-SNES-v02_gerber.zip ├── platformio.ini ├── src ├── hid_report.h ├── main.cpp ├── snes.cpp └── snes.h └── test └── README /.gitignore: -------------------------------------------------------------------------------- 1 | .pio 2 | .vscode/.browse.c_cpp.db* 3 | .vscode/c_cpp_properties.json 4 | .vscode/launch.json 5 | .vscode/ipch 6 | .DS_Store 7 | 8 | -------------------------------------------------------------------------------- /.vscode/extensions.json: -------------------------------------------------------------------------------- 1 | { 2 | // See http://go.microsoft.com/fwlink/?LinkId=827846 3 | // for the documentation about the extensions.json format 4 | "recommendations": [ 5 | "platformio.platformio-ide" 6 | ] 7 | } 8 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 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. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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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 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | **ControllaBLE - A retro-controllers to Bluetooth BLE adapter** 2 | 3 | This is an ESP32 based controller adapter that outputs as a dual joypad through 4 | Bluetooth (BLE). 5 | 6 | This was created using VSCode + PlatformIO extension. 7 | 8 | ESP32 Arduino framework was used, along with the NimBLE Arduino library. 9 | 10 | [This is the ESP32-WROOM-32 dev board](https://www.amazon.com/VKLSVAN-ESP-WROOM-32-Development-Dual-Mode-Microcontroller/dp/B07T6J3PXZ/ref=sr_1_21) you'll need to run this adapter. 11 | 12 | For now it supports only up to 2 SNES controllers connected as: 13 | 14 | - SNES pad (both) CLOCK Arduino pin: 19 15 | - SNES pad (both) LATCH Arduino pin: 21 16 | - SNES pad P1 DATA Arduino pin: 22 17 | - SNES pad P2 DATA Arduino pin: 23 18 | 19 | ![alt text](https://i.imgur.com/05jYEEO.png) 20 | 21 | Support for more controllers will be added soon! 22 | -------------------------------------------------------------------------------- /include/README: -------------------------------------------------------------------------------- 1 | 2 | This directory is intended for project header files. 3 | 4 | A header file is a file containing C declarations and macro definitions 5 | to be shared between several project source files. You request the use of a 6 | header file in your project source file (C, C++, etc) located in `src` folder 7 | by including it, with the C preprocessing directive `#include'. 8 | 9 | ```src/main.c 10 | 11 | #include "header.h" 12 | 13 | int main (void) 14 | { 15 | ... 16 | } 17 | ``` 18 | 19 | Including a header file produces the same results as copying the header file 20 | into each source file that needs it. Such copying would be time-consuming 21 | and error-prone. With a header file, the related declarations appear 22 | in only one place. If they need to be changed, they can be changed in one 23 | place, and programs that include the header file will automatically use the 24 | new version when next recompiled. The header file eliminates the labor of 25 | finding and changing all the copies as well as the risk that a failure to 26 | find one copy will result in inconsistencies within a program. 27 | 28 | In C, the usual convention is to give header files names that end with `.h'. 29 | It is most portable to use only letters, digits, dashes, and underscores in 30 | header file names, and at most one dot. 31 | 32 | Read more about using header files in official GCC documentation: 33 | 34 | * Include Syntax 35 | * Include Operation 36 | * Once-Only Headers 37 | * Computed Includes 38 | 39 | https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html 40 | -------------------------------------------------------------------------------- /lib/README: -------------------------------------------------------------------------------- 1 | 2 | This directory is intended for project specific (private) libraries. 3 | PlatformIO will compile them to static libraries and link into executable file. 4 | 5 | The source code of each library should be placed in a an own separate directory 6 | ("lib/your_library_name/[here are source files]"). 7 | 8 | For example, see a structure of the following two libraries `Foo` and `Bar`: 9 | 10 | |--lib 11 | | | 12 | | |--Bar 13 | | | |--docs 14 | | | |--examples 15 | | | |--src 16 | | | |- Bar.c 17 | | | |- Bar.h 18 | | | |- library.json (optional, custom build options, etc) https://docs.platformio.org/page/librarymanager/config.html 19 | | | 20 | | |--Foo 21 | | | |- Foo.c 22 | | | |- Foo.h 23 | | | 24 | | |- README --> THIS FILE 25 | | 26 | |- platformio.ini 27 | |--src 28 | |- main.c 29 | 30 | and a contents of `src/main.c`: 31 | ``` 32 | #include 33 | #include 34 | 35 | int main (void) 36 | { 37 | ... 38 | } 39 | 40 | ``` 41 | 42 | PlatformIO Library Dependency Finder will find automatically dependent 43 | libraries scanning project source files. 44 | 45 | More information about PlatformIO Library Dependency Finder 46 | - https://docs.platformio.org/page/librarymanager/ldf.html 47 | -------------------------------------------------------------------------------- /pcb/ControllaBLE-Dual-SNES-v02.brd: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 | 101 | 102 | 103 | 104 | 105 | 106 | 107 | 108 | 109 | 110 | 111 | 112 | 113 | 114 | 115 | 116 | 117 | 118 | 119 | 120 | 121 | 122 | 123 | 124 | 125 | 126 | 127 | 128 | 129 | 130 | 131 | 132 | 133 | 134 | 135 | 136 | 137 | 138 | 139 | 140 | 141 | 142 | 143 | 144 | 145 | 146 | 147 | 148 | 149 | 150 | 151 | 152 | 153 | 154 | 155 | 156 | 157 | 158 | 159 | 160 | 161 | 162 | 163 | 164 | 165 | 166 | 167 | 168 | 169 | 170 | 171 | ControllaBLE 172 | Dual SNES v0.2 173 | http://www.brunofreitas.com/ 174 | Player 1 175 | Player 2 176 | 177 | 178 | 179 | 180 | 181 | 182 | 183 | 184 | 185 | 186 | 187 | 188 | 189 | 190 | 191 | 192 | 193 | 194 | 195 | 196 | 197 | 198 | 199 | 200 | 201 | 202 | 203 | 204 | 205 | 206 | 207 | 208 | 209 | 210 | 211 | 212 | 213 | 214 | 215 | 216 | 217 | 218 | 219 | 220 | 221 | 222 | 223 | 224 | 225 | 226 | 227 | 228 | 229 | 230 | 231 | 232 | 233 | 234 | 235 | 236 | 237 | 238 | 239 | 3V3 240 | GND 241 | D15 242 | D2 243 | D4 244 | D16 245 | D17 246 | D5 247 | D18 248 | D19 249 | D21 250 | D3 251 | D1 252 | D22 253 | D23 254 | VIN 255 | G 256 | D13 257 | D12 258 | D14 259 | D27 260 | D26 261 | D25 262 | D33 263 | D32 264 | D35 265 | D34 266 | VN 267 | VP 268 | EN 269 | ESP32-Devkit V1 270 | >NAME 271 | ESP32-DEVKITV1 272 | 273 | 274 | 275 | 276 | 277 | 278 | 279 | 280 | 281 | 282 | 283 | 284 | 285 | 286 | 287 | 288 | 289 | 290 | 291 | 292 | 293 | 294 | 295 | 296 | 297 | 298 | 299 | 300 | 301 | 302 | 303 | 304 | 305 | 306 | 307 | 308 | 309 | 310 | 311 | 312 | 313 | 314 | 315 | 316 | 317 | 318 | 319 | 320 | 321 | 322 | 323 | 324 | 325 | 326 | 327 | 328 | 329 | 330 | 331 | 332 | 333 | 334 | 335 | 336 | 337 | 338 | 339 | 340 | 341 | 342 | 343 | 344 | 345 | 346 | 347 | 348 | 349 | 350 | 351 | 352 | 353 | 354 | 355 | 356 | 357 | 358 | 359 | 360 | 361 | 362 | 363 | 364 | 365 | 366 | 367 | 368 | 369 | 370 | 371 | 372 | 373 | 374 | 375 | 376 | 377 | 378 | 379 | 380 | 381 | 382 | 383 | 384 | 385 | 386 | 387 | 388 | 389 | 390 | 391 | 392 | 393 | 394 | 395 | 396 | 397 | 398 | 399 | 400 | 401 | 402 | 403 | 404 | 405 | 406 | 407 | 408 | 409 | 410 | 411 | 412 | 413 | 414 | 415 | 416 | 417 | 418 | 419 | 420 | 421 | 422 | 423 | 424 | 425 | 426 | 427 | 428 | 429 | 430 | 431 | 432 | 433 | 434 | 435 | 436 | 437 | 438 | 439 | 440 | 441 | 442 | 443 | 444 | 445 | 446 | 447 | 448 | 449 | 450 | 451 | ESPRESSIF 452 | ESP-32-WROOM-32 453 | 454 | 455 | 456 | 457 | 458 | 459 | 460 | 461 | 462 | 463 | 464 | 465 | 466 | 467 | 468 | 469 | 470 | 471 | 472 | 473 | 474 | 475 | 476 | 477 | 478 | 479 | 480 | 481 | 482 | 483 | 484 | 485 | 486 | <b>EAGLE Design Rules</b> 487 | <p> 488 | Die Standard-Design-Rules sind so gewählt, dass sie für 489 | die meisten Anwendungen passen. Sollte ihre Platine 490 | besondere Anforderungen haben, treffen Sie die erforderlichen 491 | Einstellungen hier und speichern die Design Rules unter 492 | einem neuen Namen ab. 493 | <b>EAGLE Design Rules</b> 494 | <p> 495 | The default Design Rules have been set to cover 496 | a wide range of applications. Your particular design 497 | may have different requirements, so please make the 498 | necessary adjustments and save your customized 499 | design rules under a new name. 500 | <b>Seeed Studio EAGLE Design Rules</b> 501 | 502 | 503 | 504 | 505 | 506 | 507 | 508 | 509 | 510 | 511 | 512 | 513 | 514 | 515 | 516 | 517 | 518 | 519 | 520 | 521 | 522 | 523 | 524 | 525 | 526 | 527 | 528 | 529 | 530 | 531 | 532 | 533 | 534 | 535 | 536 | 537 | 538 | 539 | 540 | 541 | 542 | 543 | 544 | 545 | 546 | 547 | 548 | 549 | 550 | 551 | 552 | 553 | 554 | 555 | 556 | 557 | 558 | 559 | 560 | 561 | 562 | 563 | 564 | 565 | 566 | 567 | 568 | 569 | 570 | 571 | 572 | 573 | 574 | 575 | 576 | 577 | 578 | 579 | 580 | 581 | 582 | 583 | 584 | 585 | 586 | 587 | 588 | 589 | 590 | 591 | 592 | 593 | 594 | 595 | 596 | 597 | 598 | 599 | 600 | 601 | 602 | 603 | 604 | 605 | 606 | 607 | 608 | 609 | 610 | 611 | 612 | 613 | 614 | 615 | 616 | 617 | 618 | 619 | 620 | 621 | 622 | 623 | 624 | 625 | 626 | 627 | 628 | 629 | 630 | 631 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172 | 173 | 174 | 175 | 176 | 177 | 178 | 179 | 180 | 181 | 182 | 183 | 184 | 185 | 186 | 187 | 188 | 189 | 190 | 191 | 192 | 193 | 194 | 195 | 196 | 197 | 198 | 199 | 200 | 201 | 202 | 203 | 204 | 205 | 206 | 207 | 208 | 209 | 210 | 211 | 212 | 213 | 214 | 215 | 216 | 217 | 218 | 219 | 220 | 221 | 222 | 223 | 224 | 225 | 226 | 227 | 228 | 229 | 230 | 231 | 232 | 233 | 234 | 235 | 236 | 237 | 238 | 239 | 240 | 241 | 242 | 243 | 244 | 245 | 246 | 247 | 248 | 249 | 250 | 251 | 252 | 253 | 254 | 3V3 255 | GND 256 | D15 257 | D2 258 | D4 259 | D16 260 | D17 261 | D5 262 | D18 263 | D19 264 | D21 265 | D3 266 | D1 267 | D22 268 | D23 269 | VIN 270 | G 271 | D13 272 | D12 273 | D14 274 | D27 275 | D26 276 | D25 277 | D33 278 | D32 279 | D35 280 | D34 281 | VN 282 | VP 283 | EN 284 | ESP32-Devkit V1 285 | >NAME 286 | ESP32-DEVKITV1 287 | 288 | 289 | 290 | 291 | 292 | 293 | 294 | 295 | 296 | 297 | 298 | 299 | 300 | 301 | 302 | 303 | 304 | 305 | 306 | 307 | 308 | 309 | 310 | 311 | 312 | 313 | 314 | 315 | 316 | 317 | 318 | 319 | 320 | 321 | 322 | 323 | 324 | 325 | 326 | 327 | 328 | 329 | 330 | 331 | 332 | 333 | 334 | 335 | 336 | 337 | 338 | 339 | 340 | 341 | 342 | 343 | 344 | 345 | 346 | 347 | 348 | 349 | 350 | 351 | 352 | 353 | 354 | 355 | 356 | 357 | 358 | 359 | 360 | 361 | 362 | 363 | 364 | 365 | 366 | 367 | 368 | 369 | 370 | 371 | 372 | 373 | 374 | 375 | 376 | 377 | 378 | 379 | 380 | 381 | 382 | 383 | 384 | 385 | 386 | 387 | 388 | 389 | 390 | 391 | 392 | 393 | 394 | 395 | 396 | 397 | 398 | 399 | 400 | 401 | 402 | 403 | 404 | 405 | 406 | 407 | 408 | 409 | 410 | 411 | 412 | 413 | 414 | 415 | 416 | 417 | 418 | 419 | 420 | 421 | 422 | 423 | 424 | 425 | 426 | 427 | 428 | 429 | 430 | 431 | 432 | 433 | 434 | 435 | 436 | 437 | 438 | 439 | 440 | 441 | 442 | 443 | 444 | 445 | 446 | 447 | 448 | 449 | 450 | 451 | 452 | 453 | 454 | 455 | 456 | 457 | 458 | 459 | 460 | 461 | 462 | 463 | 464 | 465 | 466 | ESPRESSIF 467 | ESP-32-WROOM-32 468 | 469 | 470 | 471 | 472 | 473 | 474 | 475 | 476 | 477 | 478 | 479 | 480 | 481 | 482 | 483 | 484 | 485 | 486 | 487 | 488 | 489 | 490 | 491 | 492 | 493 | 494 | 495 | 496 | 497 | 498 | 499 | 500 | 501 | 502 | 503 | 504 | 505 | 506 | 507 | 508 | 509 | 510 | 511 | 512 | 513 | 514 | 515 | 516 | 517 | 518 | 519 | 520 | 521 | 522 | 523 | 524 | 525 | 526 | >NAME 527 | ESP32-DEVKITV1 528 | 529 | 530 | 531 | 532 | 533 | 534 | 535 | 536 | 537 | 538 | 539 | 540 | 541 | 542 | 543 | 544 | 545 | 546 | 547 | 548 | 549 | 550 | 551 | 552 | 553 | 554 | 555 | 556 | 557 | 558 | 559 | 560 | 561 | 562 | 563 | 564 | 565 | 566 | 567 | 568 | 569 | 570 | 571 | 572 | 573 | 574 | 575 | 576 | 577 | 578 | 579 | 580 | 581 | 582 | 583 | 584 | 585 | 586 | 587 | 588 | 589 | 590 | 591 | 592 | 593 | 594 | 595 | 596 | 597 | 598 | 599 | 600 | 601 | 602 | 603 | 604 | 605 | 606 | 607 | 608 | 609 | 610 | 611 | 612 | 613 | 614 | 615 | 616 | 617 | 618 | 619 | 620 | 621 | 622 | 623 | 624 | 625 | 626 | 627 | 628 | 629 | 630 | 631 | 632 | 633 | 634 | 635 | 636 | 637 | 638 | 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https://raw.githubusercontent.com/bootsector/ControllaBLE/344406dbc5371833007489c1e34852caacfdd3fe/pcb/ControllaBLE-Dual-SNES-v02_gerber.zip -------------------------------------------------------------------------------- /platformio.ini: -------------------------------------------------------------------------------- 1 | ; PlatformIO Project Configuration File 2 | ; 3 | ; Build options: build flags, source filter 4 | ; Upload options: custom upload port, speed and extra flags 5 | ; Library options: dependencies, extra library storages 6 | ; Advanced options: extra scripting 7 | ; 8 | ; Please visit documentation for the other options and examples 9 | ; https://docs.platformio.org/page/projectconf.html 10 | 11 | [env:esp32dev] 12 | platform = espressif32 13 | board = esp32dev 14 | framework = arduino 15 | lib_deps = h2zero/NimBLE-Arduino@^1.3.1 16 | -------------------------------------------------------------------------------- /src/hid_report.h: -------------------------------------------------------------------------------- 1 | /* 2 | * ControllaBLE - A retro-controllers to Bluetooth BLE adapter 3 | * 4 | * Copyright (c) 2021 5 | * Bruno Freitas - bruno@brunofreitas.com - http://www.brunofreitas.com/ 6 | * 7 | * This program is free software: you can redistribute it and/or modify 8 | * it under the terms of the GNU General Public License as published by 9 | * the Free Software Foundation, either version 3 of the License, or 10 | * (at your option) any later version. 11 | * 12 | * This program is distributed in the hope that it will be useful, 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 | * GNU General Public License for more details. 16 | * 17 | * You should have received a copy of the GNU General Public License 18 | * along with this program. If not, see . 19 | */ 20 | 21 | const uint8_t reportMap[] = { 22 | 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) 23 | 0x09, 0x04, // Usage (Joystick) 24 | 0xA1, 0x01, // Collection (Application) 25 | 0x85, 0x01, // Report ID (1) 26 | 0xA1, 0x02, // Collection (Logical) 27 | 0x75, 0x08, // Report Size (8) 28 | 0x95, 0x04, // Report Count (4) 29 | 0x15, 0x00, // Logical Minimum (0) 30 | 0x26, 0xFF, 0x00, // Logical Maximum (255) 31 | 0x35, 0x00, // Physical Minimum (0) 32 | 0x46, 0xFF, 0x00, // Physical Maximum (255) 33 | 0x09, 0x32, // Usage (Z) 34 | 0x09, 0x35, // Usage (Rz) 35 | 0x09, 0x30, // Usage (X) 36 | 0x09, 0x31, // Usage (Y) 37 | 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) 38 | 0x75, 0x04, // Report Size (4) 39 | 0x95, 0x01, // Report Count (1) 40 | 0x25, 0x07, // Logical Maximum (7) 41 | 0x46, 0x3B, 0x01, // Physical Maximum (315) 42 | 0x65, 0x14, // Unit (System: English Rotation, Length: Centimeter) 43 | 0x09, 0x39, // Usage (Hat switch) 44 | 0x81, 0x42, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,Null State) 45 | 0x65, 0x00, // Unit (None) 46 | 0x75, 0x01, // Report Size (1) 47 | 0x95, 0x0C, // Report Count (12) 48 | 0x25, 0x01, // Logical Maximum (1) 49 | 0x45, 0x01, // Physical Maximum (1) 50 | 0x05, 0x09, // Usage Page (Button) 51 | 0x19, 0x01, // Usage Minimum (0x01) 52 | 0x29, 0x0C, // Usage Maximum (0x0C) 53 | 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) 54 | 0x06, 0x00, 0xFF, // Usage Page (Vendor Defined 0xFF00) 55 | 0x75, 0x01, // Report Size (1) 56 | 0x95, 0x08, // Report Count (8) 57 | 0x25, 0x01, // Logical Maximum (1) 58 | 0x45, 0x01, // Physical Maximum (1) 59 | 0x09, 0x01, // Usage (0x01) 60 | 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) 61 | 0xC0, // End Collection 62 | 0xA1, 0x02, // Collection (Logical) 63 | 0x75, 0x08, // Report Size (8) 64 | 0x95, 0x04, // Report Count (4) 65 | 0x46, 0xFF, 0x00, // Physical Maximum (255) 66 | 0x26, 0xFF, 0x00, // Logical Maximum (255) 67 | 0x09, 0x02, // Usage (0x02) 68 | 0x91, 0x02, // Output (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 69 | 0xC0, // End Collection 70 | 0xC0, // End Collection 71 | 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) 72 | 0x09, 0x04, // Usage (Joystick) 73 | 0xA1, 0x01, // Collection (Application) 74 | 0x85, 0x02, // Report ID (2) 75 | 0xA1, 0x02, // Collection (Logical) 76 | 0x75, 0x08, // Report Size (8) 77 | 0x95, 0x04, // Report Count (4) 78 | 0x15, 0x00, // Logical Minimum (0) 79 | 0x26, 0xFF, 0x00, // Logical Maximum (255) 80 | 0x35, 0x00, // Physical Minimum (0) 81 | 0x46, 0xFF, 0x00, // Physical Maximum (255) 82 | 0x09, 0x32, // Usage (Z) 83 | 0x09, 0x35, // Usage (Rz) 84 | 0x09, 0x30, // Usage (X) 85 | 0x09, 0x31, // Usage (Y) 86 | 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) 87 | 0x75, 0x04, // Report Size (4) 88 | 0x95, 0x01, // Report Count (1) 89 | 0x25, 0x07, // Logical Maximum (7) 90 | 0x46, 0x3B, 0x01, // Physical Maximum (315) 91 | 0x65, 0x14, // Unit (System: English Rotation, Length: Centimeter) 92 | 0x09, 0x39, // Usage (Hat switch) 93 | 0x81, 0x42, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,Null State) 94 | 0x65, 0x00, // Unit (None) 95 | 0x75, 0x01, // Report Size (1) 96 | 0x95, 0x0C, // Report Count (12) 97 | 0x25, 0x01, // Logical Maximum (1) 98 | 0x45, 0x01, // Physical Maximum (1) 99 | 0x05, 0x09, // Usage Page (Button) 100 | 0x19, 0x01, // Usage Minimum (0x01) 101 | 0x29, 0x0C, // Usage Maximum (0x0C) 102 | 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) 103 | 0x06, 0x00, 0xFF, // Usage Page (Vendor Defined 0xFF00) 104 | 0x75, 0x01, // Report Size (1) 105 | 0x95, 0x08, // Report Count (8) 106 | 0x25, 0x01, // Logical Maximum (1) 107 | 0x45, 0x01, // Physical Maximum (1) 108 | 0x09, 0x01, // Usage (0x01) 109 | 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) 110 | 0xC0, // End Collection 111 | 0xA1, 0x02, // Collection (Logical) 112 | 0x75, 0x08, // Report Size (8) 113 | 0x95, 0x04, // Report Count (4) 114 | 0x46, 0xFF, 0x00, // Physical Maximum (255) 115 | 0x26, 0xFF, 0x00, // Logical Maximum (255) 116 | 0x09, 0x02, // Usage (0x02) 117 | 0x91, 0x02, // Output (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 118 | 0xC0, // End Collection 119 | 0xC0 // End Collection 120 | }; -------------------------------------------------------------------------------- /src/main.cpp: -------------------------------------------------------------------------------- 1 | /* 2 | * ControllaBLE - A retro-controllers to Bluetooth BLE adapter 3 | * 4 | * Copyright (c) 2021 5 | * Bruno Freitas - bruno@brunofreitas.com - http://www.brunofreitas.com/ 6 | * 7 | * This program is free software: you can redistribute it and/or modify 8 | * it under the terms of the GNU General Public License as published by 9 | * the Free Software Foundation, either version 3 of the License, or 10 | * (at your option) any later version. 11 | * 12 | * This program is distributed in the hope that it will be useful, 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 | * GNU General Public License for more details. 16 | * 17 | * You should have received a copy of the GNU General Public License 18 | * along with this program. If not, see . 19 | */ 20 | 21 | #include 22 | #include 23 | #include 24 | 25 | #include "snes.h" 26 | 27 | #include "hid_report.h" 28 | 29 | static NimBLEServer *pServer; 30 | static NimBLEHIDDevice *hiddevice; 31 | 32 | static NimBLECharacteristic *pInputCharacteristic1; 33 | static NimBLECharacteristic *pInputCharacteristic2; 34 | 35 | static uint16_t snes_p1_data, snes_p2_data, old_p1_data, old_p2_data; 36 | 37 | static uint8_t digital_dir_lookup[16] = {15, 2, 6, 15, 4, 3, 5, 15, 0, 1, 7, 15, 15, 15, 15, 15}; 38 | 39 | static uint8_t ble_p1_data[] = {0x7F, 0x7F, 0x7F, 0x7F, 0x0F, 0x00, 0x00}; 40 | static uint8_t ble_p2_data[] = {0x7F, 0x7F, 0x7F, 0x7F, 0x0F, 0x00, 0x00}; 41 | 42 | static unsigned long led_change_millis, curr_millis; 43 | static uint8_t led_status = 0; 44 | 45 | class ServerCallbacks : public NimBLEServerCallbacks 46 | { 47 | void onConnect(NimBLEServer *pServer, ble_gap_conn_desc *desc) 48 | { 49 | Serial.print("Client address: "); 50 | Serial.println(NimBLEAddress(desc->peer_ota_addr).toString().c_str()); 51 | 52 | Serial.print("Updating client params..."); 53 | pServer->updateConnParams(desc->conn_handle, 6, 12, 0, 600); 54 | }; 55 | 56 | void onDisconnect(NimBLEServer *pServer) 57 | { 58 | Serial.println("Client disconnected - start advertising"); 59 | NimBLEDevice::startAdvertising(); 60 | }; 61 | }; 62 | 63 | void led_on() { 64 | digitalWrite(2, HIGH); 65 | led_status = 1; 66 | } 67 | 68 | void led_off() { 69 | digitalWrite(2, LOW); 70 | led_status = 0; 71 | } 72 | 73 | void led_toggle() { 74 | if(led_status) { 75 | led_off(); 76 | } else { 77 | led_on(); 78 | } 79 | } 80 | 81 | void led_init() { 82 | pinMode(2, OUTPUT); 83 | led_off(); 84 | } 85 | 86 | void setup() 87 | { 88 | Serial.begin(9600); 89 | 90 | Serial.println("Starting HID Server"); 91 | 92 | NimBLEDevice::init("ControllaBLE"); 93 | NimBLEDevice::setPower(ESP_PWR_LVL_P9); 94 | NimBLEDevice::setSecurityAuth(BLE_SM_PAIR_AUTHREQ_BOND); 95 | 96 | pServer = NimBLEDevice::createServer(); 97 | 98 | pServer->setCallbacks(new ServerCallbacks()); 99 | 100 | hiddevice = new NimBLEHIDDevice(pServer); 101 | 102 | // DeviceInfoService 103 | hiddevice->pnp(0x02, 0x0912, 0xCAFA, 0x0210); 104 | 105 | //DeviceInfoService - Manufacturer 106 | hiddevice->manufacturer()->setValue("www.brunofreitas.com"); 107 | 108 | //HidService - hidInfo 109 | hiddevice->hidInfo(0x00, 0x01); 110 | 111 | //HidService - reportMap 112 | hiddevice->reportMap((uint8_t *)reportMap, sizeof(reportMap)); 113 | 114 | //HidService-input - Player 1 data 115 | pInputCharacteristic1 = hiddevice->inputReport(1); 116 | 117 | //HidService-input - Player 2 data 118 | pInputCharacteristic2 = hiddevice->inputReport(2); 119 | 120 | hiddevice->startServices(); 121 | 122 | NimBLEAdvertising *pAdvertising = NimBLEDevice::getAdvertising(); 123 | pAdvertising->setAppearance(HID_JOYSTICK); 124 | pAdvertising->addServiceUUID(hiddevice->hidService()->getUUID()); 125 | 126 | pAdvertising->setScanResponse(true); 127 | pAdvertising->start(); 128 | 129 | snes_init(); 130 | led_init(); 131 | } 132 | 133 | void loop() 134 | { 135 | snes_read(&snes_p1_data, &snes_p2_data); 136 | 137 | // P1 138 | ble_p1_data[4] = digital_dir_lookup[bitRead(snes_p1_data, SNES_UP) << 3 | 139 | bitRead(snes_p1_data, SNES_DOWN) << 2 | bitRead(snes_p1_data, SNES_LEFT) << 1 | 140 | bitRead(snes_p1_data, SNES_RIGHT)]; 141 | 142 | bitRead(snes_p1_data, SNES_START) ? bitSet(ble_p1_data[5], 5) : bitClear(ble_p1_data[5], 5); 143 | bitRead(snes_p1_data, SNES_SELECT) ? bitSet(ble_p1_data[5], 4) : bitClear(ble_p1_data[5], 4); 144 | 145 | bitRead(snes_p1_data, SNES_Y) ? bitSet(ble_p1_data[4], 7) : bitClear(ble_p1_data[4], 7); 146 | bitRead(snes_p1_data, SNES_B) ? bitSet(ble_p1_data[4], 6) : bitClear(ble_p1_data[4], 6); 147 | bitRead(snes_p1_data, SNES_A) ? bitSet(ble_p1_data[4], 5) : bitClear(ble_p1_data[4], 5); 148 | bitRead(snes_p1_data, SNES_X) ? bitSet(ble_p1_data[4], 4) : bitClear(ble_p1_data[4], 4); 149 | 150 | bitRead(snes_p1_data, SNES_R) ? bitSet(ble_p1_data[5], 3) : bitClear(ble_p1_data[5], 3); 151 | bitRead(snes_p1_data, SNES_L) ? bitSet(ble_p1_data[5], 2) : bitClear(ble_p1_data[5], 2); 152 | 153 | // P2 154 | ble_p2_data[4] = digital_dir_lookup[bitRead(snes_p2_data, SNES_UP) << 3 | 155 | bitRead(snes_p2_data, SNES_DOWN) << 2 | bitRead(snes_p2_data, SNES_LEFT) << 1 | 156 | bitRead(snes_p2_data, SNES_RIGHT)]; 157 | 158 | bitRead(snes_p2_data, SNES_START) ? bitSet(ble_p2_data[5], 5) : bitClear(ble_p2_data[5], 5); 159 | bitRead(snes_p2_data, SNES_SELECT) ? bitSet(ble_p2_data[5], 4) : bitClear(ble_p2_data[5], 4); 160 | 161 | bitRead(snes_p2_data, SNES_Y) ? bitSet(ble_p2_data[4], 7) : bitClear(ble_p2_data[4], 7); 162 | bitRead(snes_p2_data, SNES_B) ? bitSet(ble_p2_data[4], 6) : bitClear(ble_p2_data[4], 6); 163 | bitRead(snes_p2_data, SNES_A) ? bitSet(ble_p2_data[4], 5) : bitClear(ble_p2_data[4], 5); 164 | bitRead(snes_p2_data, SNES_X) ? bitSet(ble_p2_data[4], 4) : bitClear(ble_p2_data[4], 4); 165 | 166 | bitRead(snes_p2_data, SNES_R) ? bitSet(ble_p2_data[5], 3) : bitClear(ble_p2_data[5], 3); 167 | bitRead(snes_p2_data, SNES_L) ? bitSet(ble_p2_data[5], 2) : bitClear(ble_p2_data[5], 2); 168 | 169 | if (pServer->getConnectedCount()) { 170 | led_on(); 171 | 172 | if(old_p1_data != snes_p1_data) { 173 | pInputCharacteristic1->setValue(ble_p1_data, sizeof(ble_p1_data)); 174 | pInputCharacteristic1->notify(); 175 | old_p1_data = snes_p1_data; 176 | } 177 | 178 | if(old_p2_data != snes_p2_data) { 179 | pInputCharacteristic2->setValue(ble_p2_data, sizeof(ble_p2_data)); 180 | pInputCharacteristic2->notify(); 181 | old_p2_data = snes_p2_data; 182 | } 183 | } else { 184 | curr_millis = millis(); 185 | 186 | if((curr_millis - led_change_millis) > 100) { 187 | led_toggle(); 188 | led_change_millis = curr_millis; 189 | } 190 | } 191 | } -------------------------------------------------------------------------------- /src/snes.cpp: -------------------------------------------------------------------------------- 1 | /* 2 | * ControllaBLE - A retro-controllers to Bluetooth BLE adapter 3 | * 4 | * Copyright (c) 2021 5 | * Bruno Freitas - bruno@brunofreitas.com - http://www.brunofreitas.com/ 6 | * 7 | * This program is free software: you can redistribute it and/or modify 8 | * it under the terms of the GNU General Public License as published by 9 | * the Free Software Foundation, either version 3 of the License, or 10 | * (at your option) any later version. 11 | * 12 | * This program is distributed in the hope that it will be useful, 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 | * GNU General Public License for more details. 16 | * 17 | * You should have received a copy of the GNU General Public License 18 | * along with this program. If not, see . 19 | */ 20 | 21 | #include 22 | 23 | #include "snes.h" 24 | 25 | #define CLOCK_PIN 19 26 | #define LATCH_PIN 21 27 | #define P1DAT_PIN 22 28 | #define P2DAT_PIN 23 29 | 30 | void snes_init() { 31 | pinMode(CLOCK_PIN, OUTPUT); 32 | pinMode(LATCH_PIN, OUTPUT); 33 | 34 | pinMode(P1DAT_PIN, INPUT_PULLUP); 35 | pinMode(P2DAT_PIN, INPUT_PULLUP); 36 | } 37 | 38 | void snes_read(uint16_t *p1data, uint16_t *p2data) { 39 | uint16_t p1, p2; 40 | 41 | digitalWrite(LATCH_PIN, LOW); 42 | digitalWrite(CLOCK_PIN, LOW); 43 | 44 | digitalWrite(LATCH_PIN, HIGH); 45 | delayMicroseconds(1); 46 | digitalWrite(LATCH_PIN, LOW); 47 | delayMicroseconds(1); 48 | 49 | p1 = digitalRead(P1DAT_PIN); 50 | p2 = digitalRead(P2DAT_PIN); 51 | 52 | for(int i = 1; i < 16; i++) { 53 | digitalWrite(CLOCK_PIN, HIGH); 54 | delayMicroseconds(1); 55 | digitalWrite(CLOCK_PIN, LOW); 56 | delayMicroseconds(1); 57 | 58 | p1 |= (digitalRead(P1DAT_PIN) << i); 59 | p2 |= (digitalRead(P2DAT_PIN) << i); 60 | } 61 | 62 | *p1data = ~p1; 63 | *p2data = ~p2; 64 | } -------------------------------------------------------------------------------- /src/snes.h: -------------------------------------------------------------------------------- 1 | /* 2 | * ControllaBLE - A retro-controllers to Bluetooth BLE adapter 3 | * 4 | * Copyright (c) 2021 5 | * Bruno Freitas - bruno@brunofreitas.com - http://www.brunofreitas.com/ 6 | * 7 | * This program is free software: you can redistribute it and/or modify 8 | * it under the terms of the GNU General Public License as published by 9 | * the Free Software Foundation, either version 3 of the License, or 10 | * (at your option) any later version. 11 | * 12 | * This program is distributed in the hope that it will be useful, 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 | * GNU General Public License for more details. 16 | * 17 | * You should have received a copy of the GNU General Public License 18 | * along with this program. If not, see . 19 | */ 20 | 21 | #ifndef SNES_H_ 22 | #define SNES_H_ 23 | 24 | #include 25 | 26 | #define SNES_B 0 27 | #define SNES_Y 1 28 | #define SNES_SELECT 2 29 | #define SNES_START 3 30 | #define SNES_UP 4 31 | #define SNES_DOWN 5 32 | #define SNES_LEFT 6 33 | #define SNES_RIGHT 7 34 | #define SNES_A 8 35 | #define SNES_X 9 36 | #define SNES_L 10 37 | #define SNES_R 11 38 | 39 | void snes_init(void); 40 | void snes_read(uint16_t *p1data, uint16_t *p2data); 41 | 42 | #endif -------------------------------------------------------------------------------- /test/README: -------------------------------------------------------------------------------- 1 | 2 | This directory is intended for PlatformIO Unit Testing and project tests. 3 | 4 | Unit Testing is a software testing method by which individual units of 5 | source code, sets of one or more MCU program modules together with associated 6 | control data, usage procedures, and operating procedures, are tested to 7 | determine whether they are fit for use. Unit testing finds problems early 8 | in the development cycle. 9 | 10 | More information about PlatformIO Unit Testing: 11 | - https://docs.platformio.org/page/plus/unit-testing.html 12 | --------------------------------------------------------------------------------