├── .gitattributes ├── .gitignore ├── LICENSE ├── README.md ├── beep ├── beep.uvopt ├── beep.uvproj ├── main.c ├── music_data.c ├── music_data.h └── 电路图.png ├── dac ├── dac.uvopt ├── dac.uvproj ├── main.c ├── music_data.c ├── music_data.h └── 电路图.png ├── pwm ├── main.c ├── music_data.c ├── music_data.h ├── pwm.uvopt ├── pwm.uvproj └── 电路图.png └── scripts ├── beep.json ├── flower dance.wav ├── tone_to_loop_count.py ├── wav_to_code.py └── wav_to_pwm.py /.gitattributes: -------------------------------------------------------------------------------- 1 | # Auto detect text files and perform LF normalization 2 | * text=auto 3 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Byte-compiled / optimized / DLL files 2 | __pycache__/ 3 | *.py[cod] 4 | *$py.class 5 | 6 | # C extensions 7 | *.so 8 | 9 | # Distribution / packaging 10 | .Python 11 | build/ 12 | develop-eggs/ 13 | dist/ 14 | downloads/ 15 | eggs/ 16 | .eggs/ 17 | lib/ 18 | lib64/ 19 | parts/ 20 | sdist/ 21 | var/ 22 | wheels/ 23 | *.egg-info/ 24 | .installed.cfg 25 | *.egg 26 | 27 | # PyInstaller 28 | # Usually these files are written by a python script from a template 29 | # before PyInstaller builds the exe, so as to inject date/other infos into it. 30 | *.manifest 31 | *.spec 32 | 33 | # Installer logs 34 | pip-log.txt 35 | pip-delete-this-directory.txt 36 | 37 | # Unit test / coverage reports 38 | htmlcov/ 39 | .tox/ 40 | .coverage 41 | .coverage.* 42 | .cache 43 | nosetests.xml 44 | coverage.xml 45 | *.cover 46 | .hypothesis/ 47 | 48 | # Translations 49 | *.mo 50 | *.pot 51 | 52 | # Django stuff: 53 | *.log 54 | local_settings.py 55 | 56 | # Flask stuff: 57 | instance/ 58 | .webassets-cache 59 | 60 | # Scrapy stuff: 61 | .scrapy 62 | 63 | # Sphinx documentation 64 | docs/_build/ 65 | 66 | # PyBuilder 67 | target/ 68 | 69 | # Jupyter Notebook 70 | .ipynb_checkpoints 71 | 72 | # pyenv 73 | .python-version 74 | 75 | # celery beat schedule file 76 | celerybeat-schedule 77 | 78 | # SageMath parsed files 79 | *.sage.py 80 | 81 | # Environments 82 | .env 83 | .venv 84 | env/ 85 | venv/ 86 | ENV/ 87 | 88 | # Spyder project settings 89 | .spyderproject 90 | .spyproject 91 | 92 | # Rope project settings 93 | .ropeproject 94 | 95 | # mkdocs documentation 96 | /site 97 | 98 | # mypy 99 | .mypy_cache/ 100 | 101 | 102 | .idea/ 103 | /bin/ 104 | *.bak 105 | *.plg 106 | *.lst 107 | *.m51 108 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2018 xfgryujk 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # c51-play-music 2 | 51单片机播放音乐 3 | 4 | ## 相关博客 5 | * [51单片机播放音乐（一）：蜂鸣器](https://blog.csdn.net/xfgryujk/article/details/84309970) 6 | * [51单片机播放音乐（二）：DA转换播放任意波形](https://blog.csdn.net/xfgryujk/article/details/84349735) 7 | * [51单片机播放音乐（三）：PWM播放任意波形](https://blog.csdn.net/xfgryujk/article/details/84479505) 8 | 9 | ## 编译方法 10 | ### 蜂鸣器 11 | 1. 将[蜂鸣器乐谱](https://github.com/xfgryujk/mml2beep)放到`scripts/beep.json` 12 | 2. 运行`scripts/tone_to_loop_count.py` 13 | 3. 编译`beep/beep.uvproj` 14 | 15 | ### DA转换 16 | 1. 将音频文件剪辑到大约10秒，重采样到大约5000Hz采样率，保存到`scripts/flower dance.wav` 17 | 2. 运行`scripts/wav_to_code.py` 18 | 3. 编译`dac/dac.uvproj` 19 | 20 | ### PWM 21 | 1. 将音频文件剪辑到大约10秒，重采样到大约5000Hz采样率，保存到`scripts/flower dance.wav` 22 | 2. 运行`scripts/wav_to_pwm.py` 23 | 3. 编译`pwm/pwm.uvproj` 24 | -------------------------------------------------------------------------------- /beep/beep.uvproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 1.0 5 | 6 |
### uVision Project, (C) Keil Software
7 | 8 | 9 | 10 | beep 11 | 0x0 12 | MCS-51 13 | 14 | 15 | AT89C51 16 | Atmel 17 | IRAM(0-0x7F) IROM(0-0xFFF) CLOCK(24000000) 18 | 19 | "LIB\STARTUP.A51" ("Standard 8051 Startup Code") 20 | 21 | 2976 22 | REGX51.H 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 0 33 | F:\Keil\C51\BIN\ 34 | 35 | 36 | 37 | Atmel\ 38 | 39 | 0 40 | 0 41 | 0 42 | 0 43 | 1 44 | 45 | ..\bin\ 46 | beep 47 | 1 48 | 0 49 | 1 50 | 1 51 | 1 52 | .\ 53 | 0 54 | 0 55 | 0 56 | 57 | 0 58 | 0 59 | 60 | 61 | 0 62 | 0 63 | 64 | 65 | 0 66 | 0 67 | 68 | 69 | 0 70 | 0 71 | 72 | 73 | 0 74 | 0 75 | 76 | 77 | 0 78 | 0 79 | 80 | 0 81 | 82 | 83 | 84 | 0 85 | 0 86 | 0 87 | 0 88 | 0 89 | 1 90 | 0 91 | 0 92 | 0 93 | 0 94 | 3 95 | 96 | 97 | 65535 98 | 99 | 100 | S8051.DLL 101 | 102 | DP51.DLL 103 | -p51 104 | S8051.DLL 105 | 106 | TP51.DLL 107 | -p51 108 | 109 | 110 | 111 | 0 112 | 0 113 | 0 114 | 0 115 | 16 116 | 117 | 118 | 1 119 | 1 120 | 1 121 | 1 122 | 1 123 | 1 124 | 1 125 | 1 126 | 0 127 | 128 | 129 | 0 130 | 1 131 | 0 132 | 1 133 | 1 134 | 1 135 | 0 136 | 1 137 | 138 | 0 139 | -1 140 | 141 | 142 | 143 | 144 | 145 | 146 | 147 | 148 | 149 | 150 | 151 | 152 | 153 | 154 | 155 | 156 | 157 | 158 | 1 159 | 0 160 | 0 161 | 0 162 | 0 163 | -1 164 | 165 | 166 | "" () 167 | 168 | 169 | 170 | 171 | 0 172 | 0 173 | 2 174 | 0 175 | 0 176 | 0 177 | 0 178 | 0 179 | 0 180 | 1 181 | 0 182 | 1 183 | 0 184 | 0 185 | 0 186 | 0 187 | 0 188 | 0 189 | 0 190 | 0 191 | 0 192 | 0 193 | 0 194 | 0 195 | 0 196 | 0 197 | 0 198 | 0 199 | 0 200 | 0 201 | 0 202 | 0 203 | 0 204 | 0 205 | 0 206 | 0 207 | 0 208 | 0 209 | 0 210 | 0 211 | 0 212 | 213 | 214 | 0 215 | 0x0 216 | 0xffff 217 | 218 | 219 | 0 220 | 0x0 221 | 0x0 222 | 223 | 224 | 0 225 | 0x0 226 | 0x0 227 | 228 | 229 | 0 230 | 0x0 231 | 0x0 232 | 233 | 234 | 0 235 | 0x0 236 | 0x0 237 | 238 | 239 | 0 240 | 0x0 241 | 0x0 242 | 243 | 244 | 0 245 | 0x0 246 | 0x0 247 | 248 | 249 | 0 250 | 0x0 251 | 0x0 252 | 253 | 254 | 1 255 | 0x0 256 | 0x1000 257 | 258 | 259 | 0 260 | 0x0 261 | 0x80 262 | 263 | 264 | 0 265 | 0x0 266 | 0x0 267 | 268 | 269 | 0 270 | 0x0 271 | 0x0 272 | 273 | 274 | 0 275 | 0x0 276 | 0x0 277 | 278 | 279 | 280 | 281 | 0 282 | 0 283 | 1 284 | 0 285 | 1 286 | 3 287 | 8 288 | 2 289 | 1 290 | 1 291 | 0 292 | 0 293 | 294 | 295 | 296 | 297 | 298 | 299 | 300 | 301 | 0 302 | 1 303 | 0 304 | 0 305 | 306 | 307 | 308 | 309 | 310 | 311 | 312 | 313 | 0 314 | 0 315 | 1 316 | 0 317 | 2 318 | 1 319 | 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 | Source Group 1 348 | 349 | 350 | main.c 351 | 1 352 | .\main.c 353 | 354 | 355 | music_data.c 356 | 1 357 | .\music_data.c 358 | 359 | 360 | music_data.h 361 | 5 362 | .\music_data.h 363 | 364 | 365 | 366 | 367 | 368 | 369 | 370 | 371 | -------------------------------------------------------------------------------- /beep/main.c: -------------------------------------------------------------------------------- 1 | #include 2 | 3 | #include "music_data.h" 4 | 5 | // 引脚定义 6 | #define beepOut P1_0 7 | 8 | int main() { 9 | beepOut = 0; 10 | while (1) { 11 | unsigned int i, j, k; 12 | for (i = 0; i < NOTES_LEN; ++i) { 13 | if (notes[i][0] == DELAY_COUNT) // 延时 14 | for (j = 0; j < notes[i][1]; ++j); 15 | else { 16 | for (j = 0; j < notes[i][1]; ++j) { 17 | for (k = 0; k < notes[i][0]; ++k); 18 | beepOut = 1; 19 | for (k = 0; k < notes[i][0]; ++k); 20 | beepOut = 0; 21 | } 22 | } 23 | } 24 | } 25 | 26 | return 0; 27 | } 28 | -------------------------------------------------------------------------------- /beep/music_data.c: -------------------------------------------------------------------------------- 1 | const unsigned int code notes[][2] = { 2 | {18, 1099}, {21, 979}, {23, 872}, {25, 823}, {28, 733}, {31, 653}, 3 | {28, 733}, {23, 436}, {23, 218}, {25, 206}, {23, 218}, {25, 206}, 4 | {23, 218}, {37, 138}, {31, 327}, {25, 412}, {23, 436}, {18, 549}, 5 | {15, 327}, {18, 275}, {15, 327}, {14, 367}, {17, 291}, {18, 275}, 6 | {21, 245}, {17, 291}, {18, 275}, {21, 245}, {23, 218}, {25, 206}, 7 | {28, 183}, {35, 146}, {23, 436}, {23, 436}, {25, 206}, {21, 122}, 8 | {31, 82}, {18, 412}, {31, 82}, {18, 275}, {23, 109}, {21, 489}, 9 | {18, 137}, {17, 145}, {18, 137}, {21, 122}, {37, 69}, {23, 327}, 10 | {23, 327}, {25, 103}, {23, 109}, {25, 206}, {31, 82}, {37, 138}, 11 | {31, 163}, {46, 54}, {28, 92}, {46, 109}, {25, 103}, {31, 82}, 12 | {46, 54}, {23, 109}, {46, 54}, {31, 490}, {46, 109}, {28, 92}, 13 | {46, 109}, {46, 54}, {35, 73}, {28, 92}, {23, 109}, {21, 122}, 14 | {23, 109}, {41, 123}, {25, 103}, {41, 61}, {23, 109}, {21, 122}, 15 | {31, 82}, {15, 327}, {18, 137}, {17, 145}, {15, 327}, {18, 137}, 16 | {17, 145}, {15, 163}, {25, 103}, {28, 92}, {25, 103}, {23, 109}, 17 | {21, 122}, {18, 137}, {17, 145}, {18, 275}, {23, 109}, {21, 122}, 18 | {18, 275}, {37, 69}, {35, 73}, {31, 82}, {28, 92}, {31, 82}, 19 | {35, 73}, {31, 82}, {23, 109}, {25, 103}, {23, 109}, {28, 183}, 20 | {23, 109}, {25, 103}, {28, 183}, {31, 82}, {35, 73}, {31, 82}, 21 | {35, 73}, {37, 69}, {35, 73}, {31, 82}, {28, 92}, {25, 103}, 22 | {23, 109}, {28, 183}, {23, 109}, {25, 103}, {23, 218}, {25, 103}, 23 | {23, 109}, {25, 103}, {28, 92}, {25, 103}, {23, 109}, {21, 122}, 24 | {18, 137}, {17, 145}, {15, 163}, {15, 327}, {18, 137}, {17, 145}, 25 | {15, 327}, {18, 137}, {17, 145}, {15, 163}, {25, 103}, {28, 92}, 26 | {25, 103}, {23, 109}, {21, 122}, {18, 137}, {17, 145}, {18, 275}, 27 | {23, 109}, {21, 122}, {18, 275}, {37, 69}, {35, 73}, {31, 82}, 28 | {28, 92}, {31, 82}, {35, 73}, {31, 82}, {23, 109}, {25, 103}, 29 | {23, 109}, {28, 183}, {23, 109}, {25, 103}, {28, 183}, {31, 82}, 30 | {35, 73}, {31, 82}, {35, 73}, {37, 69}, {35, 73}, {31, 82}, 31 | {28, 92}, {25, 103}, {23, 109}, {28, 183}, {23, 109}, {25, 103}, 32 | {23, 218}, {25, 103}, {23, 109}, {25, 103}, {28, 92}, {25, 103}, 33 | {23, 109}, {21, 122}, {18, 137}, {17, 145}, {15, 163}, {18, 275}, 34 | {23, 109}, {21, 122}, {18, 275}, {21, 122}, {23, 109}, {21, 122}, 35 | {25, 103}, {23, 109}, {21, 122}, {18, 137}, {21, 122}, {23, 109}, 36 | {25, 103}, {23, 218}, {28, 92}, {25, 103}, {23, 218}, {46, 54}, 37 | {41, 61}, {37, 69}, {35, 73}, {37, 69}, {41, 61}, {37, 69}, 38 | {23, 109}, {25, 103}, {23, 109}, {28, 183}, {23, 109}, {25, 103}, 39 | {28, 183}, {31, 82}, {35, 73}, {31, 82}, {35, 73}, {37, 69}, 40 | {35, 73}, {31, 82}, {28, 92}, {25, 103}, {23, 109}, {28, 183}, 41 | {23, 109}, {25, 103}, {23, 218}, {25, 103}, {28, 92}, {25, 103}, 42 | {23, 109}, {21, 122}, {23, 109}, {25, 103}, {23, 109}, {28, 92}, 43 | {25, 103}, {23, 109}, {23, 109}, {18, 137}, {17, 145}, {15, 327}, 44 | {18, 549}, {21, 122}, {18, 137}, {17, 145}, {25, 103}, {21, 122}, 45 | {28, 183}, {28, 92}, {23, 109}, {21, 122}, {18, 275}, {23, 109}, 46 | {25, 206}, {25, 103}, {15, 163}, {17, 145}, {18, 137}, {25, 103}, 47 | {15, 163}, {23, 109}, {14, 183}, {23, 109}, {14, 183}, {15, 163}, 48 | {17, 291}, {14, 183}, {23, 109}, {15, 163}, {23, 109}, {15, 163}, 49 | {17, 145}, {18, 137}, {23, 109}, {15, 163}, {23, 109}, {14, 183}, 50 | {15, 163}, {17, 145}, {14, 183}, {15, 163}, {17, 145}, {14, 183}, 51 | {21, 122}, {12, 206}, {14, 183}, {21, 122}, {31, 82}, {25, 103}, 52 | {23, 109}, {21, 122}, {31, 82}, {18, 137}, {31, 163}, {31, 82}, 53 | {18, 137}, {21, 122}, {23, 109}, {21, 245}, {31, 163}, {18, 137}, 54 | {17, 145}, {18, 137}, {21, 122}, {37, 69}, {21, 367}, {23, 218}, 55 | {37, 69}, {25, 103}, {23, 109}, {37, 69}, {31, 82}, {25, 103}, 56 | {23, 109}, {18, 137}, {15, 163}, {12, 206}, {12, 218}, {12, 206}, 57 | {14, 183}, {15, 163}, {17, 145}, {15, 163}, {17, 145}, {18, 137}, 58 | {21, 122}, {14, 183}, {21, 122}, {23, 109}, {25, 103}, {23, 109}, 59 | {25, 103}, {28, 92}, {31, 82}, {28, 92}, {31, 82}, {35, 73}, 60 | {31, 82}, {28, 92}, {35, 73}, {23, 109}, {31, 82}, {25, 103}, 61 | {28, 92}, {31, 82}, {23, 109}, {31, 82}, {31, 82}, {21, 122}, 62 | {31, 82}, {18, 137}, {31, 82}, {31, 82}, {31, 82}, {18, 137}, 63 | {31, 82}, {17, 145}, {31, 82}, {15, 163}, {28, 92}, {14, 183}, 64 | {31, 82}, {15, 163}, {31, 82}, {17, 145}, {37, 69}, {18, 137}, 65 | {37, 138}, {37, 69}, {23, 109}, {23, 109}, {21, 122}, {37, 69}, 66 | {18, 137}, {35, 73}, {17, 145}, {37, 69}, {18, 137}, {37, 69}, 67 | {21, 122}, {46, 54}, {23, 109}, {46, 109}, {46, 54}, {28, 92}, 68 | {25, 103}, {23, 109}, {23, 218}, {23, 218}, {23, 109}, {23, 109}, 69 | {23, 109}, {31, 82}, {23, 109}, {28, 92}, {46, 109}, {46, 54}, 70 | {35, 73}, {28, 92}, {23, 109}, {21, 122}, {23, 109}, {41, 123}, 71 | {25, 206}, {23, 109}, {21, 122}, {31, 82}, {18, 137}, {23, 218}, 72 | {31, 82}, {18, 137}, {31, 82}, {17, 145}, {31, 82}, {15, 163}, 73 | {28, 92}, {14, 183}, {31, 82}, {15, 163}, {31, 82}, {17, 145}, 74 | {37, 69}, {18, 137}, {37, 138}, {37, 69}, {23, 109}, {23, 109}, 75 | {21, 122}, {37, 69}, {18, 137}, {35, 73}, {17, 145}, {37, 69}, 76 | {18, 137}, {37, 69}, {21, 122}, {35, 73}, {23, 109}, {46, 109}, 77 | {46, 54}, {28, 92}, {25, 103}, {23, 109}, {23, 218}, {23, 109}, 78 | {25, 103}, {23, 109}, {31, 82}, {23, 109}, {25, 103}, {23, 109}, 79 | {28, 92}, {23, 109}, {25, 103}, {23, 109}, {28, 92}, {23, 109}, 80 | {25, 103}, {23, 109}, {25, 103}, {31, 82}, {41, 61}, {23, 218}, 81 | {41, 61}, {21, 245}, {18, 69}, {18, 69}, {18, 69}, {18, 69}, 82 | {18, 69}, {18, 69}, {18, 69}, {18, 69}, {18, 69}, {18, 69}, 83 | {18, 69}, {18, 69}, {18, 69}, {18, 69}, {18, 69}, {18, 69}, 84 | {21, 61}, {21, 61}, {21, 61}, {21, 61}, {21, 61}, {21, 61}, 85 | {21, 61}, {21, 61}, {21, 61}, {21, 61}, {21, 61}, {21, 61}, 86 | {21, 61}, {21, 61}, {21, 61}, {21, 61}, {23, 54}, {23, 54}, 87 | {23, 54}, {23, 54}, {23, 54}, {23, 54}, {23, 54}, {23, 54}, 88 | {23, 54}, {23, 54}, {23, 54}, {23, 54}, {23, 54}, {23, 54}, 89 | {23, 54}, {23, 54}, {25, 51}, {25, 51}, {25, 51}, {25, 51}, 90 | {25, 51}, {25, 51}, {25, 51}, {25, 51}, {25, 51}, {25, 51}, 91 | {25, 51}, {25, 51}, {25, 51}, {25, 51}, {25, 51}, {25, 51}, 92 | {28, 46}, {28, 46}, {28, 46}, {28, 46}, {28, 46}, {28, 46}, 93 | {28, 46}, {28, 46}, {28, 46}, {28, 46}, {28, 46}, {28, 46}, 94 | {28, 46}, {28, 46}, {28, 46}, {28, 46}, {31, 41}, {31, 41}, 95 | {31, 41}, {31, 41}, {31, 41}, {31, 41}, {31, 41}, {31, 41}, 96 | {31, 41}, {31, 41}, {31, 41}, {31, 41}, {31, 41}, {31, 41}, 97 | {31, 41}, {31, 41}, {28, 46}, {28, 46}, {28, 51}, {28, 51}, 98 | {28, 51}, {28, 51}, {28, 51}, {28, 51}, {28, 51}, {28, 51}, 99 | {28, 51}, {28, 51}, {28, 51}, {28, 51}, {28, 51}, {28, 51}, 100 | {25, 57}, {25, 57}, {25, 57}, {25, 57}, {25, 57}, {25, 57}, 101 | {25, 57}, {25, 57}, {25, 57}, {25, 57}, {25, 57}, {25, 57}, 102 | {25, 57}, {25, 57}, {25, 57}, {25, 57}, {37, 1104}, 103 | }; 104 | -------------------------------------------------------------------------------- /beep/music_data.h: -------------------------------------------------------------------------------- 1 | #define DELAY_COUNT 65535 2 | #define NOTES_LEN 605 3 | extern const unsigned int code notes[][2]; 4 | -------------------------------------------------------------------------------- /beep/电路图.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xfgryujk/c51-play-music/d882ca571a1feba5c82f13c96d283fd74dbc5831/beep/电路图.png -------------------------------------------------------------------------------- /dac/dac.uvopt: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 1.0 5 | 6 |
### uVision Project, (C) Keil Software
7 | 8 | 9 | *.c 10 | *.s*; *.src; *.a* 11 | *.obj 12 | *.lib 13 | *.txt; *.h; *.inc 14 | *.plm 15 | *.cpp 16 | 17 | 18 | 19 | 0 20 | 0 21 | 22 | 23 | 24 | dac 25 | 0x0 26 | MCS-51 27 | 28 | 24000000 29 | 30 | 1 31 | 1 32 | 1 33 | 0 34 | 35 | 36 | 0 37 | 65535 38 | 0 39 | 0 40 | 0 41 | 42 | 43 | 120 44 | 65 45 | 8 46 | .\ 47 | 48 | 49 | 1 50 | 1 51 | 1 52 | 0 53 | 1 54 | 1 55 | 0 56 | 1 57 | 0 58 | 0 59 | 0 60 | 0 61 | 62 | 63 | 1 64 | 1 65 | 1 66 | 1 67 | 1 68 | 1 69 | 1 70 | 0 71 | 0 72 | 73 | 74 | 1 75 | 0 76 | 1 77 | 78 | 255 79 | 80 | 81 | 0 82 | Data Sheet 83 | DATASHTS\ATMEL\AT89C51_DS.PDF 84 | 85 | 86 | 1 87 | Instruction Set Manual 88 | DATASHTS\ATMEL\AT_C51ISM.PDF 89 | 90 | 91 | 92 | S8051.DLL 93 | 94 | DP51.DLL 95 | -p51 96 | S8051.DLL 97 | 98 | TP51.DLL 99 | -p51 100 | 101 | 102 | 1 103 | 0 104 | 1 105 | 1 106 | 1 107 | 1 108 | 1 109 | 1 110 | 1 111 | 1 112 | 0 113 | 1 114 | 1 115 | 1 116 | 0 117 | 1 118 | 0 119 | 0 120 | -1 121 | 122 | 123 | 124 | 125 | 126 | 127 | 128 | 129 | 130 | 131 | 132 | 133 | 134 | 0 135 | 1 136 | 0 137 | 0 138 | 0 139 | 0 140 | 0 141 | 0 142 | 0 143 | 0 144 | 0 145 | 0 146 | 0 147 | 0 148 | 0 149 | 0 150 | 0 151 | 0 152 | 0 153 | 0 154 | 0 155 | 0 156 | 0 157 | 0 158 | 159 | 160 | 161 | 162 | 163 | 164 | 165 | Source Group 1 166 | 1 167 | 0 168 | 0 169 | 170 | 1 171 | 1 172 | 1 173 | 0 174 | 0 175 | 0 176 | 0 177 | 0 178 | 0 179 | 0 180 | .\main.c 181 | main.c 182 | 183 | 184 | 1 185 | 2 186 | 1 187 | 0 188 | 0 189 | 0 190 | 0 191 | 0 192 | 0 193 | 0 194 | .\music_data.c 195 | music_data.c 196 | 197 | 198 | 1 199 | 3 200 | 5 201 | 0 202 | 0 203 | 0 204 | 0 205 | 0 206 | 0 207 | 0 208 | .\music_data.h 209 | music_data.h 210 | 211 | 212 | 213 | 214 | Default 215 | 1 216 | Build 217 | 0 218 | 219 | Default 220 | 1 221 | 222 | 59392 223 | 1 224 | File 225 | 0 226 | 227 | 0 228 | 229 | 1 230 | 2 231 | 3 232 | 0 233 | 0 234 | 0 235 | 0 236 | 0 237 | 0 238 | 0 239 | 0 240 | 0 241 | 100 242 | 0 243 | 1 244 | 0 245 | 246 | 247 | 59398 248 | 2 249 | Build 250 | 0 251 | 252 | 0 253 | 254 | 1 255 | 2 256 | 3 257 | 0 258 | 0 259 | 0 260 | 0 261 | 0 262 | 0 263 | 0 264 | 0 265 | 0 266 | 100 267 | 0 268 | 0 269 | 0 270 | 271 | 272 | 59399 273 | 3 274 | Debug 275 | 0 276 | 277 | 0 278 | 279 | 1 280 | 2 281 | 3 282 | 0 283 | 0 284 | 0 285 | 0 286 | 0 287 | 0 288 | 0 289 | 0 290 | 0 291 | 100 292 | 0 293 | 1 294 | 0 295 | 296 | 297 | 197 298 | 4 299 | Build Output 300 | 0 301 | 302 | 0 303 | 304 | 1 305 | 2 306 | 4 307 | 0 308 | 0 309 | 0 310 | 210 311 | 600 312 | 0 313 | 0 314 | 250 315 | 600 316 | 100 317 | 1 318 | 0 319 | 0 320 | 321 | 322 | 198 323 | 5 324 | Command 325 | 197 326 | 327 | 197 328 | 329 | 1 330 | 4 331 | 2 332 | 0 333 | 0 334 | 0 335 | 210 336 | 600 337 | 0 338 | 0 339 | 250 340 | 600 341 | 100 342 | 1 343 | 1 344 | 0 345 | 346 | 347 | 199 348 | 6 349 | Find in Files 350 | 197 351 | 352 | 197 353 | 354 | 1 355 | 4 356 | 2 357 | 0 358 | 0 359 | 0 360 | 210 361 | 600 362 | 0 363 | 0 364 | 250 365 | 600 366 | 100 367 | 0 368 | 0 369 | 0 370 | 371 | 372 | 38007 373 | 7 374 | Browse 375 | 197 376 | 377 | 197 378 | 379 | 1 380 | 4 381 | 2 382 | 0 383 | 0 384 | 0 385 | 210 386 | 600 387 | 0 388 | 0 389 | 250 390 | 600 391 | 100 392 | 0 393 | 0 394 | 0 395 | 396 | 397 | 1939 398 | 8 399 | UART #1 400 | 197 401 | 402 | 197 403 | 404 | 1 405 | 4 406 | 2 407 | 0 408 | 0 409 | 0 410 | 210 411 | 600 412 | 0 413 | 0 414 | 250 415 | 600 416 | 100 417 | 0 418 | 0 419 | 0 420 | 421 | 422 | 1940 423 | 9 424 | UART #2 425 | 197 426 | 427 | 197 428 | 429 | 1 430 | 4 431 | 2 432 | 0 433 | 0 434 | 0 435 | 210 436 | 600 437 | 0 438 | 0 439 | 250 440 | 600 441 | 100 442 | 0 443 | 0 444 | 0 445 | 446 | 447 | 1941 448 | 10 449 | UART #3 450 | 197 451 | 452 | 197 453 | 454 | 1 455 | 4 456 | 2 457 | 0 458 | 0 459 | 0 460 | 210 461 | 600 462 | 0 463 | 0 464 | 250 465 | 600 466 | 100 467 | 0 468 | 0 469 | 0 470 | 471 | 472 | 1942 473 | 11 474 | UART #4 475 | 197 476 | 477 | 197 478 | 479 | 1 480 | 4 481 | 2 482 | 0 483 | 0 484 | 0 485 | 210 486 | 600 487 | 0 488 | 0 489 | 250 490 | 600 491 | 100 492 | 0 493 | 0 494 | 0 495 | 496 | 497 | 1944 498 | 12 499 | Call Stack 500 | 197 501 | 502 | 197 503 | 504 | 1 505 | 2 506 | 2 507 | 0 508 | 0 509 | 0 510 | 600 511 | 210 512 | 0 513 | 0 514 | 600 515 | 250 516 | 50 517 | 0 518 | 1 519 | 0 520 | 521 | 522 | 1507 523 | 13 524 | Call Stack 525 | 1944 526 | 527 | 197 528 | 529 | 1 530 | 4 531 | 2 532 | 0 533 | 0 534 | 0 535 | 600 536 | 210 537 | 0 538 | 0 539 | 600 540 | 250 541 | 50 542 | 0 543 | 1 544 | 0 545 | 546 | 547 | 1935 548 | 14 549 | Locals 550 | 1944 551 | 552 | 197 553 | 554 | 1 555 | 4 556 | 2 557 | 0 558 | 0 559 | 0 560 | 210 561 | 600 562 | 0 563 | 0 564 | 250 565 | 600 566 | 100 567 | 0 568 | 1 569 | 0 570 | 571 | 572 | 1936 573 | 15 574 | Watch 1 575 | 1944 576 | 577 | 197 578 | 579 | 1 580 | 4 581 | 2 582 | 0 583 | 0 584 | 0 585 | 210 586 | 600 587 | 0 588 | 0 589 | 250 590 | 600 591 | 100 592 | 0 593 | 1 594 | 0 595 | 596 | 597 | 1937 598 | 16 599 | Watch 2 600 | 1944 601 | 602 | 197 603 | 604 | 1 605 | 4 606 | 2 607 | 0 608 | 0 609 | 0 610 | 210 611 | 600 612 | 0 613 | 0 614 | 250 615 | 600 616 | 100 617 | 0 618 | 0 619 | 0 620 | 621 | 622 | 1465 623 | 17 624 | Memory 1 625 | 1944 626 | 627 | 197 628 | 629 | 1 630 | 4 631 | 2 632 | 0 633 | 0 634 | 0 635 | 210 636 | 600 637 | 0 638 | 0 639 | 250 640 | 600 641 | 100 642 | 0 643 | 1 644 | 0 645 | 646 | 647 | 1466 648 | 18 649 | Memory 2 650 | 1944 651 | 652 | 197 653 | 654 | 1 655 | 4 656 | 2 657 | 0 658 | 0 659 | 0 660 | 210 661 | 600 662 | 0 663 | 0 664 | 250 665 | 600 666 | 100 667 | 0 668 | 0 669 | 0 670 | 671 | 672 | 1467 673 | 19 674 | Memory 3 675 | 1944 676 | 677 | 197 678 | 679 | 1 680 | 4 681 | 2 682 | 0 683 | 0 684 | 0 685 | 210 686 | 600 687 | 0 688 | 0 689 | 250 690 | 600 691 | 100 692 | 0 693 | 0 694 | 0 695 | 696 | 697 | 1468 698 | 20 699 | Memory 4 700 | 1944 701 | 702 | 197 703 | 704 | 1 705 | 4 706 | 2 707 | 0 708 | 0 709 | 0 710 | 210 711 | 600 712 | 0 713 | 0 714 | 250 715 | 600 716 | 100 717 | 0 718 | 0 719 | 0 720 | 721 | 722 | 1506 723 | 21 724 | Symbols 725 | 1944 726 | 727 | 197 728 | 729 | 1 730 | 4 731 | 2 732 | 0 733 | 0 734 | 0 735 | 210 736 | 600 737 | 0 738 | 0 739 | 250 740 | 600 741 | 100 742 | 0 743 | 1 744 | 0 745 | 746 | 747 | 1005 748 | 22 749 | Project 750 | 0 751 | 752 | 0 753 | 754 | 1 755 | 2 756 | 1 757 | 0 758 | 0 759 | 0 760 | 600 761 | 210 762 | 0 763 | 0 764 | 600 765 | 250 766 | 100 767 | 0 768 | 1 769 | 0 770 | 771 | 772 | 109 773 | 23 774 | Books 775 | 1005 776 | 777 | 1005 778 | 779 | 1 780 | 4 781 | 2 782 | 0 783 | 0 784 | 0 785 | 600 786 | 210 787 | 0 788 | 0 789 | 600 790 | 250 791 | 100 792 | 0 793 | 0 794 | 0 795 | 796 | 797 | 195 798 | 24 799 | Functions 800 | 1005 801 | 802 | 1005 803 | 804 | 1 805 | 4 806 | 2 807 | 0 808 | 0 809 | 0 810 | 600 811 | 210 812 | 0 813 | 0 814 | 600 815 | 250 816 | 100 817 | 0 818 | 0 819 | 0 820 | 821 | 822 | 196 823 | 25 824 | Templates 825 | 1005 826 | 827 | 1005 828 | 829 | 1 830 | 4 831 | 2 832 | 0 833 | 0 834 | 0 835 | 600 836 | 210 837 | 0 838 | 0 839 | 600 840 | 250 841 | 100 842 | 0 843 | 0 844 | 0 845 | 846 | 847 | 38003 848 | 26 849 | Registers 850 | 1005 851 | 852 | 1005 853 | 854 | 1 855 | 4 856 | 2 857 | 0 858 | 0 859 | 0 860 | 600 861 | 210 862 | 0 863 | 0 864 | 600 865 | 250 866 | 100 867 | 1 868 | 1 869 | 0 870 | 871 | 872 | 35885 873 | 27 874 | not set 875 | 0 876 | 877 | 0 878 | 879 | 1 880 | 2 881 | 2 882 | 0 883 | 0 884 | 0 885 | 600 886 | 210 887 | 0 888 | 0 889 | 600 890 | 250 891 | 100 892 | 0 893 | 0 894 | 0 895 | 896 | 897 | 35886 898 | 28 899 | not set 900 | 35885 901 | 902 | 35885 903 | 904 | 1 905 | 4 906 | 2 907 | 0 908 | 0 909 | 0 910 | 600 911 | 210 912 | 0 913 | 0 914 | 600 915 | 250 916 | 100 917 | 0 918 | 0 919 | 0 920 | 921 | 922 | 35887 923 | 29 924 | not set 925 | 35885 926 | 927 | 35885 928 | 929 | 1 930 | 4 931 | 2 932 | 0 933 | 0 934 | 0 935 | 600 936 | 210 937 | 0 938 | 0 939 | 600 940 | 250 941 | 100 942 | 0 943 | 0 944 | 0 945 | 946 | 947 | 35888 948 | 30 949 | not set 950 | 35885 951 | 952 | 35885 953 | 954 | 1 955 | 4 956 | 2 957 | 0 958 | 0 959 | 0 960 | 600 961 | 210 962 | 0 963 | 0 964 | 600 965 | 250 966 | 100 967 | 0 968 | 0 969 | 0 970 | 971 | 972 | 35889 973 | 31 974 | not set 975 | 35885 976 | 977 | 35885 978 | 979 | 1 980 | 4 981 | 2 982 | 0 983 | 0 984 | 0 985 | 600 986 | 210 987 | 0 988 | 0 989 | 600 990 | 250 991 | 100 992 | 0 993 | 0 994 | 0 995 | 996 | 997 | 35890 998 | 32 999 | not set 1000 | 35885 1001 | 1002 | 35885 1003 | 1004 | 1 1005 | 4 1006 | 2 1007 | 0 1008 | 0 1009 | 0 1010 | 600 1011 | 210 1012 | 0 1013 | 0 1014 | 600 1015 | 250 1016 | 100 1017 | 0 1018 | 0 1019 | 0 1020 | 1021 | 1022 | 35891 1023 | 33 1024 | not set 1025 | 35885 1026 | 1027 | 35885 1028 | 1029 | 1 1030 | 4 1031 | 2 1032 | 0 1033 | 0 1034 | 0 1035 | 600 1036 | 210 1037 | 0 1038 | 0 1039 | 600 1040 | 250 1041 | 100 1042 | 0 1043 | 0 1044 | 0 1045 | 1046 | 1047 | 35892 1048 | 34 1049 | not set 1050 | 35885 1051 | 1052 | 35885 1053 | 1054 | 1 1055 | 4 1056 | 2 1057 | 0 1058 | 0 1059 | 0 1060 | 600 1061 | 210 1062 | 0 1063 | 0 1064 | 600 1065 | 250 1066 | 100 1067 | 0 1068 | 0 1069 | 0 1070 | 1071 | 1072 | 35893 1073 | 35 1074 | not set 1075 | 35885 1076 | 1077 | 35885 1078 | 1079 | 1 1080 | 4 1081 | 2 1082 | 0 1083 | 0 1084 | 0 1085 | 600 1086 | 210 1087 | 0 1088 | 0 1089 | 600 1090 | 250 1091 | 100 1092 | 0 1093 | 0 1094 | 0 1095 | 1096 | 1097 | 35894 1098 | 36 1099 | not set 1100 | 35885 1101 | 1102 | 35885 1103 | 1104 | 1 1105 | 4 1106 | 2 1107 | 0 1108 | 0 1109 | 0 1110 | 600 1111 | 210 1112 | 0 1113 | 0 1114 | 600 1115 | 250 1116 | 100 1117 | 0 1118 | 0 1119 | 0 1120 | 1121 | 1122 | 35895 1123 | 37 1124 | not set 1125 | 35885 1126 | 1127 | 35885 1128 | 1129 | 1 1130 | 4 1131 | 2 1132 | 0 1133 | 0 1134 | 0 1135 | 600 1136 | 210 1137 | 0 1138 | 0 1139 | 600 1140 | 250 1141 | 100 1142 | 0 1143 | 0 1144 | 0 1145 | 1146 | 1147 | 35896 1148 | 38 1149 | not set 1150 | 35885 1151 | 1152 | 35885 1153 | 1154 | 1 1155 | 4 1156 | 2 1157 | 0 1158 | 0 1159 | 0 1160 | 600 1161 | 210 1162 | 0 1163 | 0 1164 | 600 1165 | 250 1166 | 100 1167 | 0 1168 | 0 1169 | 0 1170 | 1171 | 1172 | 35897 1173 | 39 1174 | not set 1175 | 35885 1176 | 1177 | 35885 1178 | 1179 | 1 1180 | 4 1181 | 2 1182 | 0 1183 | 0 1184 | 0 1185 | 600 1186 | 210 1187 | 0 1188 | 0 1189 | 600 1190 | 250 1191 | 100 1192 | 0 1193 | 0 1194 | 0 1195 | 1196 | 1197 | 35898 1198 | 40 1199 | not set 1200 | 35885 1201 | 1202 | 35885 1203 | 1204 | 1 1205 | 4 1206 | 2 1207 | 0 1208 | 0 1209 | 0 1210 | 600 1211 | 210 1212 | 0 1213 | 0 1214 | 600 1215 | 250 1216 | 100 1217 | 0 1218 | 0 1219 | 0 1220 | 1221 | 1222 | 35899 1223 | 41 1224 | not set 1225 | 35885 1226 | 1227 | 35885 1228 | 1229 | 1 1230 | 4 1231 | 2 1232 | 0 1233 | 0 1234 | 0 1235 | 600 1236 | 210 1237 | 0 1238 | 0 1239 | 600 1240 | 250 1241 | 100 1242 | 0 1243 | 0 1244 | 0 1245 | 1246 | 1247 | 35900 1248 | 42 1249 | not set 1250 | 35885 1251 | 1252 | 35885 1253 | 1254 | 1 1255 | 4 1256 | 2 1257 | 0 1258 | 0 1259 | 0 1260 | 600 1261 | 210 1262 | 0 1263 | 0 1264 | 600 1265 | 250 1266 | 100 1267 | 0 1268 | 0 1269 | 0 1270 | 1271 | 1272 | 35901 1273 | 43 1274 | not set 1275 | 35885 1276 | 1277 | 35885 1278 | 1279 | 1 1280 | 4 1281 | 2 1282 | 0 1283 | 0 1284 | 0 1285 | 600 1286 | 210 1287 | 0 1288 | 0 1289 | 600 1290 | 250 1291 | 100 1292 | 0 1293 | 0 1294 | 0 1295 | 1296 | 1297 | 35902 1298 | 44 1299 | not set 1300 | 35885 1301 | 1302 | 35885 1303 | 1304 | 1 1305 | 4 1306 | 2 1307 | 0 1308 | 0 1309 | 0 1310 | 600 1311 | 210 1312 | 0 1313 | 0 1314 | 600 1315 | 250 1316 | 100 1317 | 0 1318 | 0 1319 | 0 1320 | 1321 | 1322 | 35903 1323 | 45 1324 | not set 1325 | 35885 1326 | 1327 | 35885 1328 | 1329 | 1 1330 | 4 1331 | 2 1332 | 0 1333 | 0 1334 | 0 1335 | 600 1336 | 210 1337 | 0 1338 | 0 1339 | 600 1340 | 250 1341 | 100 1342 | 0 1343 | 0 1344 | 0 1345 | 1346 | 1347 | 35904 1348 | 46 1349 | not set 1350 | 35885 1351 | 1352 | 35885 1353 | 1354 | 1 1355 | 4 1356 | 2 1357 | 0 1358 | 0 1359 | 0 1360 | 600 1361 | 210 1362 | 0 1363 | 0 1364 | 600 1365 | 250 1366 | 100 1367 | 0 1368 | 0 1369 | 0 1370 | 1371 | 1372 | 35905 1373 | 47 1374 | not set 1375 | 35885 1376 | 1377 | 35885 1378 | 1379 | 1 1380 | 4 1381 | 2 1382 | 0 1383 | 0 1384 | 0 1385 | 600 1386 | 210 1387 | 0 1388 | 0 1389 | 600 1390 | 250 1391 | 100 1392 | 0 1393 | 0 1394 | 0 1395 | 1396 | 1397 | 203 1398 | 48 1399 | Disassembly 1400 | 0 1401 | 1402 | 0 1403 | 1404 | 1 1405 | 2 1406 | 3 1407 | 0 1408 | 0 1409 | 0 1410 | 210 1411 | 600 1412 | 0 1413 | 0 1414 | 250 1415 | 600 1416 | 100 1417 | 0 1418 | 1 1419 | 0 1420 | 1421 | 1422 | 1913 1423 | 49 1424 | Instruction Trace 1425 | 203 1426 | 1427 | 203 1428 | 1429 | 1 1430 | 4 1431 | 2 1432 | 0 1433 | 0 1434 | 0 1435 | 600 1436 | 210 1437 | 0 1438 | 0 1439 | 600 1440 | 250 1441 | 100 1442 | 0 1443 | 0 1444 | 0 1445 | 1446 | 1447 | 35824 1448 | 50 1449 | Logic Analyzer 1450 | 0 1451 | 1452 | 0 1453 | 1454 | 1 1455 | 6 1456 | 0 1457 | 0 1458 | 0 1459 | 0 1460 | 210 1461 | 600 1462 | 0 1463 | 0 1464 | 250 1465 | 600 1466 | 1 1467 | 0 1468 | 0 1469 | 0 1470 | 1471 | 1472 | 343 1473 | 51 1474 | Performance Analyzer 1475 | 203 1476 | 1477 | 203 1478 | 1479 | 1 1480 | 4 1481 | 2 1482 | 0 1483 | 0 1484 | 0 1485 | 210 1486 | 600 1487 | 0 1488 | 0 1489 | 250 1490 | 600 1491 | 100 1492 | 0 1493 | 0 1494 | 0 1495 | 1496 | 1497 | 204 1498 | 52 1499 | Performance Analyzer 1500 | 203 1501 | 1502 | 203 1503 | 1504 | 1 1505 | 4 1506 | 2 1507 | 0 1508 | 0 1509 | 0 1510 | 210 1511 | 600 1512 | 0 1513 | 0 1514 | 250 1515 | 600 1516 | 100 1517 | 0 1518 | 0 1519 | 0 1520 | 1521 | 1522 | 346 1523 | 53 1524 | Code Coverage 1525 | 203 1526 | 1527 | 203 1528 | 1529 | 1 1530 | 4 1531 | 2 1532 | 0 1533 | 0 1534 | 0 1535 | 210 1536 | 600 1537 | 0 1538 | 0 1539 | 250 1540 | 600 1541 | 100 1542 | 0 1543 | 0 1544 | 0 1545 | 1546 | 1547 | 1548 | 1549 | 1550 | -------------------------------------------------------------------------------- /dac/dac.uvproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 1.0 5 | 6 |
### uVision Project, (C) Keil Software
7 | 8 | 9 | 10 | dac 11 | 0x0 12 | MCS-51 13 | 14 | 15 | AT89C51 16 | Atmel 17 | IRAM(0-0x7F) IROM(0-0xFFF) CLOCK(24000000) 18 | 19 | "LIB\STARTUP.A51" ("Standard 8051 Startup Code") 20 | 21 | 2976 22 | REGX51.H 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 0 33 | 34 | 35 | 36 | Atmel\ 37 | Atmel\ 38 | 39 | 0 40 | 0 41 | 0 42 | 0 43 | 1 44 | 45 | ..\bin\ 46 | dac 47 | 1 48 | 0 49 | 1 50 | 1 51 | 1 52 | .\ 53 | 0 54 | 0 55 | 0 56 | 57 | 0 58 | 0 59 | 60 | 61 | 0 62 | 0 63 | 64 | 65 | 0 66 | 0 67 | 68 | 69 | 0 70 | 0 71 | 72 | 73 | 0 74 | 0 75 | 76 | 77 | 0 78 | 0 79 | 80 | 0 81 | 82 | 83 | 84 | 0 85 | 0 86 | 0 87 | 0 88 | 0 89 | 1 90 | 0 91 | 0 92 | 0 93 | 0 94 | 3 95 | 96 | 97 | 65535 98 | 99 | 100 | S8051.DLL 101 | 102 | DP51.DLL 103 | -p51 104 | S8051.DLL 105 | 106 | TP51.DLL 107 | -p51 108 | 109 | 110 | 111 | 0 112 | 0 113 | 0 114 | 0 115 | 16 116 | 117 | 118 | 1 119 | 1 120 | 1 121 | 1 122 | 1 123 | 1 124 | 1 125 | 1 126 | 0 127 | 128 | 129 | 0 130 | 1 131 | 0 132 | 1 133 | 1 134 | 1 135 | 0 136 | 1 137 | 138 | 0 139 | -1 140 | 141 | 142 | 143 | 144 | 145 | 146 | 147 | 148 | 149 | 150 | 151 | 152 | 153 | 154 | 155 | 156 | 157 | 158 | 0 159 | 0 160 | 0 161 | 0 162 | 0 163 | -1 164 | 165 | 166 | 167 | 168 | 169 | 170 | 171 | 0 172 | 0 173 | 2 174 | 0 175 | 0 176 | 0 177 | 0 178 | 0 179 | 0 180 | 1 181 | 0 182 | 1 183 | 0 184 | 0 185 | 0 186 | 0 187 | 0 188 | 0 189 | 0 190 | 0 191 | 0 192 | 0 193 | 0 194 | 0 195 | 0 196 | 0 197 | 0 198 | 0 199 | 0 200 | 0 201 | 0 202 | 0 203 | 0 204 | 0 205 | 0 206 | 0 207 | 0 208 | 0 209 | 0 210 | 0 211 | 0 212 | 213 | 214 | 0 215 | 0x0 216 | 0x10000 217 | 218 | 219 | 0 220 | 0x0 221 | 0x0 222 | 223 | 224 | 0 225 | 0x0 226 | 0x0 227 | 228 | 229 | 0 230 | 0x0 231 | 0x0 232 | 233 | 234 | 0 235 | 0x0 236 | 0x0 237 | 238 | 239 | 0 240 | 0x0 241 | 0x0 242 | 243 | 244 | 0 245 | 0x0 246 | 0x0 247 | 248 | 249 | 0 250 | 0x0 251 | 0x0 252 | 253 | 254 | 1 255 | 0x0 256 | 0x1000 257 | 258 | 259 | 0 260 | 0x0 261 | 0x80 262 | 263 | 264 | 0 265 | 0x0 266 | 0x0 267 | 268 | 269 | 0 270 | 0x0 271 | 0x0 272 | 273 | 274 | 0 275 | 0x0 276 | 0x0 277 | 278 | 279 | 280 | 281 | 0 282 | 0 283 | 1 284 | 0 285 | 1 286 | 3 287 | 8 288 | 2 289 | 1 290 | 1 291 | 0 292 | 0 293 | 294 | 295 | 296 | 297 | 298 | 299 | 300 | 301 | 0 302 | 1 303 | 0 304 | 0 305 | 306 | 307 | 308 | 309 | 310 | 311 | 312 | 313 | 0 314 | 0 315 | 1 316 | 0 317 | 2 318 | 1 319 | 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 | Source Group 1 348 | 349 | 350 | main.c 351 | 1 352 | .\main.c 353 | 354 | 355 | music_data.c 356 | 1 357 | .\music_data.c 358 | 359 | 360 | music_data.h 361 | 5 362 | .\music_data.h 363 | 364 | 365 | 366 | 367 | 368 | 369 | 370 | 371 | -------------------------------------------------------------------------------- /dac/main.c: -------------------------------------------------------------------------------- 1 | #include 2 | 3 | #include "music_data.h" 4 | 5 | // 引脚定义 6 | #define wavOut P2 7 | 8 | unsigned int iPcmData = 0; 9 | 10 | void Init() { 11 | // 开启中断 12 | EA = 1; 13 | ET0 = 1; 14 | // 定时器0工作方式2（8位自动重载定时器） 15 | TMOD = 0x2; 16 | TH0 = TL0 = INIT_TH0; 17 | wavOut = pcmData[iPcmData]; 18 | // 开启定时器 19 | TR0 = 1; 20 | } 21 | 22 | int main() { 23 | Init(); 24 | while (1); 25 | 26 | return 0; 27 | } 28 | 29 | void HandleTimer0() interrupt 1 { 30 | wavOut = pcmData[iPcmData]; 31 | if (++iPcmData >= PCM_DATA_LEN) 32 | iPcmData = 0; 33 | } 34 | -------------------------------------------------------------------------------- /dac/music_data.h: -------------------------------------------------------------------------------- 1 | #define INIT_TH0 72 2 | #define PCM_DATA_LEN 48213 3 | extern const unsigned char code pcmData[]; 4 | -------------------------------------------------------------------------------- /dac/电路图.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xfgryujk/c51-play-music/d882ca571a1feba5c82f13c96d283fd74dbc5831/dac/电路图.png -------------------------------------------------------------------------------- /pwm/main.c: -------------------------------------------------------------------------------- 1 | #include 2 | 3 | #include "music_data.h" 4 | 5 | // 引脚定义 6 | #define pwmOut P1_0 7 | 8 | unsigned int iPwmData = 0; 9 | 10 | void Init() { 11 | // 开启中断 12 | EA = 1; 13 | ET0 = 1; 14 | ET1 = 1; 15 | // 定时器0工作方式2（8位自动重载定时器） 16 | // 定时器1工作方式1（16位定时器） 17 | TMOD = 0x12; 18 | 19 | TH0 = TL0 = INIT_TL0; 20 | TH1 = 255; 21 | TL1 = pwmData[iPwmData]; 22 | 23 | pwmOut = 1; 24 | // 开启定时器 25 | TR0 = 1; 26 | TR1 = 1; 27 | } 28 | 29 | int main() { 30 | Init(); 31 | while (1); 32 | 33 | return 0; 34 | } 35 | 36 | // 定时器0，输出高电平，周期为PWM载波周期 37 | void HandleTimer0() interrupt 1 { 38 | pwmOut = 1; 39 | if (++iPwmData >= PWM_DATA_LEN) 40 | iPwmData = 0; 41 | 42 | TH1 = 255; 43 | TL1 = pwmData[iPwmData]; 44 | 45 | TR1 = 1; 46 | } 47 | 48 | // 定时器1，输出低电平，周期根据占空比定 49 | void HandleTimer1() interrupt 3 { 50 | pwmOut = 0; 51 | TR1 = 0; 52 | } 53 | -------------------------------------------------------------------------------- /pwm/music_data.h: -------------------------------------------------------------------------------- 1 | #define SAMPLE_RATE 5000 2 | // #define INIT_TH0 255 3 | #define INIT_TL0 72 4 | #define PWM_DATA_LEN 48213 5 | extern const unsigned char code pwmData[]; 6 | -------------------------------------------------------------------------------- /pwm/pwm.uvopt: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 1.0 5 | 6 |
### uVision Project, (C) Keil Software
7 | 8 | 9 | *.c 10 | *.s*; *.src; *.a* 11 | *.obj 12 | *.lib 13 | *.txt; *.h; *.inc 14 | *.plm 15 | *.cpp 16 | 17 | 18 | 19 | 0 20 | 0 21 | 22 | 23 | 24 | pwm 25 | 0x0 26 | MCS-51 27 | 28 | 24000000 29 | 30 | 1 31 | 1 32 | 1 33 | 0 34 | 35 | 36 | 0 37 | 65535 38 | 0 39 | 0 40 | 0 41 | 42 | 43 | 120 44 | 65 45 | 8 46 | .\ 47 | 48 | 49 | 1 50 | 1 51 | 1 52 | 0 53 | 1 54 | 1 55 | 0 56 | 1 57 | 0 58 | 0 59 | 0 60 | 0 61 | 62 | 63 | 1 64 | 1 65 | 1 66 | 1 67 | 1 68 | 1 69 | 1 70 | 0 71 | 0 72 | 73 | 74 | 1 75 | 0 76 | 1 77 | 78 | 255 79 | 80 | 81 | 0 82 | Data Sheet 83 | DATASHTS\ATMEL\AT89C51_DS.PDF 84 | 85 | 86 | 1 87 | Instruction Set Manual 88 | DATASHTS\ATMEL\AT_C51ISM.PDF 89 | 90 | 91 | 92 | S8051.DLL 93 | 94 | DP51.DLL 95 | -p51 96 | S8051.DLL 97 | 98 | TP51.DLL 99 | -p51 100 | 101 | 102 | 1 103 | 0 104 | 1 105 | 1 106 | 1 107 | 1 108 | 1 109 | 1 110 | 1 111 | 1 112 | 0 113 | 1 114 | 1 115 | 1 116 | 0 117 | 1 118 | 0 119 | 0 120 | -1 121 | 122 | 123 | 124 | 125 | 126 | 127 | 128 | 129 | 130 | 131 | 132 | 133 | 134 | 0 135 | 1 136 | 0 137 | 0 138 | 0 139 | 0 140 | 0 141 | 0 142 | 0 143 | 0 144 | 0 145 | 0 146 | 0 147 | 0 148 | 0 149 | 0 150 | 0 151 | 0 152 | 0 153 | 0 154 | 0 155 | 0 156 | 0 157 | 0 158 | 159 | 160 | 161 | 162 | 163 | 164 | 165 | Source Group 1 166 | 1 167 | 0 168 | 0 169 | 170 | 1 171 | 1 172 | 1 173 | 0 174 | 0 175 | 0 176 | 0 177 | 0 178 | 0 179 | 0 180 | .\main.c 181 | main.c 182 | 183 | 184 | 1 185 | 2 186 | 1 187 | 0 188 | 0 189 | 0 190 | 0 191 | 0 192 | 0 193 | 0 194 | .\music_data.c 195 | music_data.c 196 | 197 | 198 | 1 199 | 3 200 | 5 201 | 0 202 | 0 203 | 0 204 | 0 205 | 0 206 | 0 207 | 0 208 | .\music_data.h 209 | music_data.h 210 | 211 | 212 | 213 | 214 | Default 215 | 1 216 | Build 217 | 0 218 | 219 | Default 220 | 1 221 | 222 | 59392 223 | 1 224 | File 225 | 0 226 | 227 | 0 228 | 229 | 1 230 | 2 231 | 3 232 | 0 233 | 0 234 | 0 235 | 0 236 | 0 237 | 0 238 | 0 239 | 0 240 | 0 241 | 100 242 | 0 243 | 1 244 | 0 245 | 246 | 247 | 59398 248 | 2 249 | Build 250 | 0 251 | 252 | 0 253 | 254 | 1 255 | 2 256 | 3 257 | 0 258 | 0 259 | 0 260 | 0 261 | 0 262 | 0 263 | 0 264 | 0 265 | 0 266 | 100 267 | 0 268 | 0 269 | 0 270 | 271 | 272 | 59399 273 | 3 274 | Debug 275 | 0 276 | 277 | 0 278 | 279 | 1 280 | 2 281 | 3 282 | 0 283 | 0 284 | 0 285 | 0 286 | 0 287 | 0 288 | 0 289 | 0 290 | 0 291 | 100 292 | 0 293 | 1 294 | 0 295 | 296 | 297 | 197 298 | 4 299 | Build Output 300 | 0 301 | 302 | 0 303 | 304 | 1 305 | 2 306 | 4 307 | 0 308 | 0 309 | 0 310 | 210 311 | 600 312 | 0 313 | 0 314 | 250 315 | 600 316 | 100 317 | 1 318 | 0 319 | 0 320 | 321 | 322 | 198 323 | 5 324 | Command 325 | 197 326 | 327 | 197 328 | 329 | 1 330 | 4 331 | 2 332 | 0 333 | 0 334 | 0 335 | 210 336 | 600 337 | 0 338 | 0 339 | 250 340 | 600 341 | 100 342 | 1 343 | 1 344 | 0 345 | 346 | 347 | 199 348 | 6 349 | Find in Files 350 | 197 351 | 352 | 197 353 | 354 | 1 355 | 4 356 | 2 357 | 0 358 | 0 359 | 0 360 | 210 361 | 600 362 | 0 363 | 0 364 | 250 365 | 600 366 | 100 367 | 0 368 | 0 369 | 0 370 | 371 | 372 | 38007 373 | 7 374 | Browse 375 | 197 376 | 377 | 197 378 | 379 | 1 380 | 4 381 | 2 382 | 0 383 | 0 384 | 0 385 | 210 386 | 600 387 | 0 388 | 0 389 | 250 390 | 600 391 | 100 392 | 0 393 | 0 394 | 0 395 | 396 | 397 | 1939 398 | 8 399 | UART #1 400 | 197 401 | 402 | 197 403 | 404 | 1 405 | 4 406 | 2 407 | 0 408 | 0 409 | 0 410 | 210 411 | 600 412 | 0 413 | 0 414 | 250 415 | 600 416 | 100 417 | 0 418 | 0 419 | 0 420 | 421 | 422 | 1940 423 | 9 424 | UART #2 425 | 197 426 | 427 | 197 428 | 429 | 1 430 | 4 431 | 2 432 | 0 433 | 0 434 | 0 435 | 210 436 | 600 437 | 0 438 | 0 439 | 250 440 | 600 441 | 100 442 | 0 443 | 0 444 | 0 445 | 446 | 447 | 1941 448 | 10 449 | UART #3 450 | 197 451 | 452 | 197 453 | 454 | 1 455 | 4 456 | 2 457 | 0 458 | 0 459 | 0 460 | 210 461 | 600 462 | 0 463 | 0 464 | 250 465 | 600 466 | 100 467 | 0 468 | 0 469 | 0 470 | 471 | 472 | 1942 473 | 11 474 | UART #4 475 | 197 476 | 477 | 197 478 | 479 | 1 480 | 4 481 | 2 482 | 0 483 | 0 484 | 0 485 | 210 486 | 600 487 | 0 488 | 0 489 | 250 490 | 600 491 | 100 492 | 0 493 | 0 494 | 0 495 | 496 | 497 | 1944 498 | 12 499 | Call Stack 500 | 197 501 | 502 | 197 503 | 504 | 1 505 | 2 506 | 2 507 | 0 508 | 0 509 | 0 510 | 600 511 | 210 512 | 0 513 | 0 514 | 600 515 | 250 516 | 50 517 | 0 518 | 1 519 | 0 520 | 521 | 522 | 1507 523 | 13 524 | Call Stack 525 | 1944 526 | 527 | 197 528 | 529 | 1 530 | 4 531 | 2 532 | 0 533 | 0 534 | 0 535 | 600 536 | 210 537 | 0 538 | 0 539 | 600 540 | 250 541 | 50 542 | 0 543 | 1 544 | 0 545 | 546 | 547 | 1935 548 | 14 549 | Locals 550 | 1944 551 | 552 | 197 553 | 554 | 1 555 | 4 556 | 2 557 | 0 558 | 0 559 | 0 560 | 210 561 | 600 562 | 0 563 | 0 564 | 250 565 | 600 566 | 100 567 | 0 568 | 1 569 | 0 570 | 571 | 572 | 1936 573 | 15 574 | Watch 1 575 | 1944 576 | 577 | 197 578 | 579 | 1 580 | 4 581 | 2 582 | 0 583 | 0 584 | 0 585 | 210 586 | 600 587 | 0 588 | 0 589 | 250 590 | 600 591 | 100 592 | 0 593 | 1 594 | 0 595 | 596 | 597 | 1937 598 | 16 599 | Watch 2 600 | 1944 601 | 602 | 197 603 | 604 | 1 605 | 4 606 | 2 607 | 0 608 | 0 609 | 0 610 | 210 611 | 600 612 | 0 613 | 0 614 | 250 615 | 600 616 | 100 617 | 0 618 | 0 619 | 0 620 | 621 | 622 | 1465 623 | 17 624 | Memory 1 625 | 1944 626 | 627 | 197 628 | 629 | 1 630 | 4 631 | 2 632 | 0 633 | 0 634 | 0 635 | 210 636 | 600 637 | 0 638 | 0 639 | 250 640 | 600 641 | 100 642 | 0 643 | 1 644 | 0 645 | 646 | 647 | 1466 648 | 18 649 | Memory 2 650 | 1944 651 | 652 | 197 653 | 654 | 1 655 | 4 656 | 2 657 | 0 658 | 0 659 | 0 660 | 210 661 | 600 662 | 0 663 | 0 664 | 250 665 | 600 666 | 100 667 | 0 668 | 0 669 | 0 670 | 671 | 672 | 1467 673 | 19 674 | Memory 3 675 | 1944 676 | 677 | 197 678 | 679 | 1 680 | 4 681 | 2 682 | 0 683 | 0 684 | 0 685 | 210 686 | 600 687 | 0 688 | 0 689 | 250 690 | 600 691 | 100 692 | 0 693 | 0 694 | 0 695 | 696 | 697 | 1468 698 | 20 699 | Memory 4 700 | 1944 701 | 702 | 197 703 | 704 | 1 705 | 4 706 | 2 707 | 0 708 | 0 709 | 0 710 | 210 711 | 600 712 | 0 713 | 0 714 | 250 715 | 600 716 | 100 717 | 0 718 | 0 719 | 0 720 | 721 | 722 | 1506 723 | 21 724 | Symbols 725 | 1944 726 | 727 | 197 728 | 729 | 1 730 | 4 731 | 2 732 | 0 733 | 0 734 | 0 735 | 210 736 | 600 737 | 0 738 | 0 739 | 250 740 | 600 741 | 100 742 | 0 743 | 1 744 | 0 745 | 746 | 747 | 1005 748 | 22 749 | Project 750 | 0 751 | 752 | 0 753 | 754 | 1 755 | 2 756 | 1 757 | 0 758 | 0 759 | 0 760 | 600 761 | 210 762 | 0 763 | 0 764 | 600 765 | 250 766 | 100 767 | 0 768 | 1 769 | 0 770 | 771 | 772 | 109 773 | 23 774 | Books 775 | 1005 776 | 777 | 1005 778 | 779 | 1 780 | 4 781 | 2 782 | 0 783 | 0 784 | 0 785 | 600 786 | 210 787 | 0 788 | 0 789 | 600 790 | 250 791 | 100 792 | 0 793 | 0 794 | 0 795 | 796 | 797 | 195 798 | 24 799 | Functions 800 | 1005 801 | 802 | 1005 803 | 804 | 1 805 | 4 806 | 2 807 | 0 808 | 0 809 | 0 810 | 600 811 | 210 812 | 0 813 | 0 814 | 600 815 | 250 816 | 100 817 | 0 818 | 0 819 | 0 820 | 821 | 822 | 196 823 | 25 824 | Templates 825 | 1005 826 | 827 | 1005 828 | 829 | 1 830 | 4 831 | 2 832 | 0 833 | 0 834 | 0 835 | 600 836 | 210 837 | 0 838 | 0 839 | 600 840 | 250 841 | 100 842 | 0 843 | 0 844 | 0 845 | 846 | 847 | 38003 848 | 26 849 | Registers 850 | 1005 851 | 852 | 1005 853 | 854 | 1 855 | 4 856 | 2 857 | 0 858 | 0 859 | 0 860 | 600 861 | 210 862 | 0 863 | 0 864 | 600 865 | 250 866 | 100 867 | 1 868 | 1 869 | 0 870 | 871 | 872 | 35885 873 | 27 874 | not set 875 | 0 876 | 877 | 0 878 | 879 | 1 880 | 2 881 | 2 882 | 0 883 | 0 884 | 0 885 | 600 886 | 210 887 | 0 888 | 0 889 | 600 890 | 250 891 | 100 892 | 0 893 | 0 894 | 0 895 | 896 | 897 | 35886 898 | 28 899 | not set 900 | 35885 901 | 902 | 35885 903 | 904 | 1 905 | 4 906 | 2 907 | 0 908 | 0 909 | 0 910 | 600 911 | 210 912 | 0 913 | 0 914 | 600 915 | 250 916 | 100 917 | 0 918 | 0 919 | 0 920 | 921 | 922 | 35887 923 | 29 924 | not set 925 | 35885 926 | 927 | 35885 928 | 929 | 1 930 | 4 931 | 2 932 | 0 933 | 0 934 | 0 935 | 600 936 | 210 937 | 0 938 | 0 939 | 600 940 | 250 941 | 100 942 | 0 943 | 0 944 | 0 945 | 946 | 947 | 35888 948 | 30 949 | not set 950 | 35885 951 | 952 | 35885 953 | 954 | 1 955 | 4 956 | 2 957 | 0 958 | 0 959 | 0 960 | 600 961 | 210 962 | 0 963 | 0 964 | 600 965 | 250 966 | 100 967 | 0 968 | 0 969 | 0 970 | 971 | 972 | 35889 973 | 31 974 | not set 975 | 35885 976 | 977 | 35885 978 | 979 | 1 980 | 4 981 | 2 982 | 0 983 | 0 984 | 0 985 | 600 986 | 210 987 | 0 988 | 0 989 | 600 990 | 250 991 | 100 992 | 0 993 | 0 994 | 0 995 | 996 | 997 | 35890 998 | 32 999 | not set 1000 | 35885 1001 | 1002 | 35885 1003 | 1004 | 1 1005 | 4 1006 | 2 1007 | 0 1008 | 0 1009 | 0 1010 | 600 1011 | 210 1012 | 0 1013 | 0 1014 | 600 1015 | 250 1016 | 100 1017 | 0 1018 | 0 1019 | 0 1020 | 1021 | 1022 | 35891 1023 | 33 1024 | not set 1025 | 35885 1026 | 1027 | 35885 1028 | 1029 | 1 1030 | 4 1031 | 2 1032 | 0 1033 | 0 1034 | 0 1035 | 600 1036 | 210 1037 | 0 1038 | 0 1039 | 600 1040 | 250 1041 | 100 1042 | 0 1043 | 0 1044 | 0 1045 | 1046 | 1047 | 35892 1048 | 34 1049 | not set 1050 | 35885 1051 | 1052 | 35885 1053 | 1054 | 1 1055 | 4 1056 | 2 1057 | 0 1058 | 0 1059 | 0 1060 | 600 1061 | 210 1062 | 0 1063 | 0 1064 | 600 1065 | 250 1066 | 100 1067 | 0 1068 | 0 1069 | 0 1070 | 1071 | 1072 | 35893 1073 | 35 1074 | not set 1075 | 35885 1076 | 1077 | 35885 1078 | 1079 | 1 1080 | 4 1081 | 2 1082 | 0 1083 | 0 1084 | 0 1085 | 600 1086 | 210 1087 | 0 1088 | 0 1089 | 600 1090 | 250 1091 | 100 1092 | 0 1093 | 0 1094 | 0 1095 | 1096 | 1097 | 35894 1098 | 36 1099 | not set 1100 | 35885 1101 | 1102 | 35885 1103 | 1104 | 1 1105 | 4 1106 | 2 1107 | 0 1108 | 0 1109 | 0 1110 | 600 1111 | 210 1112 | 0 1113 | 0 1114 | 600 1115 | 250 1116 | 100 1117 | 0 1118 | 0 1119 | 0 1120 | 1121 | 1122 | 35895 1123 | 37 1124 | not set 1125 | 35885 1126 | 1127 | 35885 1128 | 1129 | 1 1130 | 4 1131 | 2 1132 | 0 1133 | 0 1134 | 0 1135 | 600 1136 | 210 1137 | 0 1138 | 0 1139 | 600 1140 | 250 1141 | 100 1142 | 0 1143 | 0 1144 | 0 1145 | 1146 | 1147 | 35896 1148 | 38 1149 | not set 1150 | 35885 1151 | 1152 | 35885 1153 | 1154 | 1 1155 | 4 1156 | 2 1157 | 0 1158 | 0 1159 | 0 1160 | 600 1161 | 210 1162 | 0 1163 | 0 1164 | 600 1165 | 250 1166 | 100 1167 | 0 1168 | 0 1169 | 0 1170 | 1171 | 1172 | 35897 1173 | 39 1174 | not set 1175 | 35885 1176 | 1177 | 35885 1178 | 1179 | 1 1180 | 4 1181 | 2 1182 | 0 1183 | 0 1184 | 0 1185 | 600 1186 | 210 1187 | 0 1188 | 0 1189 | 600 1190 | 250 1191 | 100 1192 | 0 1193 | 0 1194 | 0 1195 | 1196 | 1197 | 35898 1198 | 40 1199 | not set 1200 | 35885 1201 | 1202 | 35885 1203 | 1204 | 1 1205 | 4 1206 | 2 1207 | 0 1208 | 0 1209 | 0 1210 | 600 1211 | 210 1212 | 0 1213 | 0 1214 | 600 1215 | 250 1216 | 100 1217 | 0 1218 | 0 1219 | 0 1220 | 1221 | 1222 | 35899 1223 | 41 1224 | not set 1225 | 35885 1226 | 1227 | 35885 1228 | 1229 | 1 1230 | 4 1231 | 2 1232 | 0 1233 | 0 1234 | 0 1235 | 600 1236 | 210 1237 | 0 1238 | 0 1239 | 600 1240 | 250 1241 | 100 1242 | 0 1243 | 0 1244 | 0 1245 | 1246 | 1247 | 35900 1248 | 42 1249 | not set 1250 | 35885 1251 | 1252 | 35885 1253 | 1254 | 1 1255 | 4 1256 | 2 1257 | 0 1258 | 0 1259 | 0 1260 | 600 1261 | 210 1262 | 0 1263 | 0 1264 | 600 1265 | 250 1266 | 100 1267 | 0 1268 | 0 1269 | 0 1270 | 1271 | 1272 | 35901 1273 | 43 1274 | not set 1275 | 35885 1276 | 1277 | 35885 1278 | 1279 | 1 1280 | 4 1281 | 2 1282 | 0 1283 | 0 1284 | 0 1285 | 600 1286 | 210 1287 | 0 1288 | 0 1289 | 600 1290 | 250 1291 | 100 1292 | 0 1293 | 0 1294 | 0 1295 | 1296 | 1297 | 35902 1298 | 44 1299 | not set 1300 | 35885 1301 | 1302 | 35885 1303 | 1304 | 1 1305 | 4 1306 | 2 1307 | 0 1308 | 0 1309 | 0 1310 | 600 1311 | 210 1312 | 0 1313 | 0 1314 | 600 1315 | 250 1316 | 100 1317 | 0 1318 | 0 1319 | 0 1320 | 1321 | 1322 | 35903 1323 | 45 1324 | not set 1325 | 35885 1326 | 1327 | 35885 1328 | 1329 | 1 1330 | 4 1331 | 2 1332 | 0 1333 | 0 1334 | 0 1335 | 600 1336 | 210 1337 | 0 1338 | 0 1339 | 600 1340 | 250 1341 | 100 1342 | 0 1343 | 0 1344 | 0 1345 | 1346 | 1347 | 35904 1348 | 46 1349 | not set 1350 | 35885 1351 | 1352 | 35885 1353 | 1354 | 1 1355 | 4 1356 | 2 1357 | 0 1358 | 0 1359 | 0 1360 | 600 1361 | 210 1362 | 0 1363 | 0 1364 | 600 1365 | 250 1366 | 100 1367 | 0 1368 | 0 1369 | 0 1370 | 1371 | 1372 | 35905 1373 | 47 1374 | not set 1375 | 35885 1376 | 1377 | 35885 1378 | 1379 | 1 1380 | 4 1381 | 2 1382 | 0 1383 | 0 1384 | 0 1385 | 600 1386 | 210 1387 | 0 1388 | 0 1389 | 600 1390 | 250 1391 | 100 1392 | 0 1393 | 0 1394 | 0 1395 | 1396 | 1397 | 203 1398 | 48 1399 | Disassembly 1400 | 0 1401 | 1402 | 0 1403 | 1404 | 1 1405 | 2 1406 | 3 1407 | 0 1408 | 0 1409 | 0 1410 | 210 1411 | 600 1412 | 0 1413 | 0 1414 | 250 1415 | 600 1416 | 100 1417 | 0 1418 | 1 1419 | 0 1420 | 1421 | 1422 | 1913 1423 | 49 1424 | Instruction Trace 1425 | 203 1426 | 1427 | 203 1428 | 1429 | 1 1430 | 4 1431 | 2 1432 | 0 1433 | 0 1434 | 0 1435 | 600 1436 | 210 1437 | 0 1438 | 0 1439 | 600 1440 | 250 1441 | 100 1442 | 0 1443 | 0 1444 | 0 1445 | 1446 | 1447 | 35824 1448 | 50 1449 | Logic Analyzer 1450 | 0 1451 | 1452 | 0 1453 | 1454 | 1 1455 | 6 1456 | 0 1457 | 0 1458 | 0 1459 | 0 1460 | 210 1461 | 600 1462 | 0 1463 | 0 1464 | 250 1465 | 600 1466 | 1 1467 | 0 1468 | 0 1469 | 0 1470 | 1471 | 1472 | 343 1473 | 51 1474 | Performance Analyzer 1475 | 203 1476 | 1477 | 203 1478 | 1479 | 1 1480 | 4 1481 | 2 1482 | 0 1483 | 0 1484 | 0 1485 | 210 1486 | 600 1487 | 0 1488 | 0 1489 | 250 1490 | 600 1491 | 100 1492 | 0 1493 | 0 1494 | 0 1495 | 1496 | 1497 | 204 1498 | 52 1499 | Performance Analyzer 1500 | 203 1501 | 1502 | 203 1503 | 1504 | 1 1505 | 4 1506 | 2 1507 | 0 1508 | 0 1509 | 0 1510 | 210 1511 | 600 1512 | 0 1513 | 0 1514 | 250 1515 | 600 1516 | 100 1517 | 0 1518 | 0 1519 | 0 1520 | 1521 | 1522 | 346 1523 | 53 1524 | Code Coverage 1525 | 203 1526 | 1527 | 203 1528 | 1529 | 1 1530 | 4 1531 | 2 1532 | 0 1533 | 0 1534 | 0 1535 | 210 1536 | 600 1537 | 0 1538 | 0 1539 | 250 1540 | 600 1541 | 100 1542 | 0 1543 | 0 1544 | 0 1545 | 1546 | 1547 | 1548 | 1549 | 1550 | -------------------------------------------------------------------------------- /pwm/pwm.uvproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 1.0 5 | 6 |
### uVision Project, (C) Keil Software
7 | 8 | 9 | 10 | pwm 11 | 0x0 12 | MCS-51 13 | 14 | 15 | AT89C51 16 | Atmel 17 | IRAM(0-0x7F) IROM(0-0xFFF) CLOCK(24000000) 18 | 19 | "LIB\STARTUP.A51" ("Standard 8051 Startup Code") 20 | 21 | 2976 22 | REGX51.H 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 0 33 | 34 | 35 | 36 | Atmel\ 37 | Atmel\ 38 | 39 | 0 40 | 0 41 | 0 42 | 0 43 | 1 44 | 45 | ..\bin\ 46 | pwm 47 | 1 48 | 0 49 | 1 50 | 1 51 | 1 52 | .\ 53 | 0 54 | 0 55 | 0 56 | 57 | 0 58 | 0 59 | 60 | 61 | 0 62 | 0 63 | 64 | 65 | 0 66 | 0 67 | 68 | 69 | 0 70 | 0 71 | 72 | 73 | 0 74 | 0 75 | 76 | 77 | 0 78 | 0 79 | 80 | 0 81 | 82 | 83 | 84 | 0 85 | 0 86 | 0 87 | 0 88 | 0 89 | 1 90 | 0 91 | 0 92 | 0 93 | 0 94 | 3 95 | 96 | 97 | 65535 98 | 99 | 100 | S8051.DLL 101 | 102 | DP51.DLL 103 | -p51 104 | S8051.DLL 105 | 106 | TP51.DLL 107 | -p51 108 | 109 | 110 | 111 | 0 112 | 0 113 | 0 114 | 0 115 | 16 116 | 117 | 118 | 1 119 | 1 120 | 1 121 | 1 122 | 1 123 | 1 124 | 1 125 | 1 126 | 0 127 | 128 | 129 | 0 130 | 1 131 | 0 132 | 1 133 | 1 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0 265 | 0x0 266 | 0x0 267 | 268 | 269 | 0 270 | 0x0 271 | 0x0 272 | 273 | 274 | 0 275 | 0x0 276 | 0x0 277 | 278 | 279 | 280 | 281 | 0 282 | 0 283 | 1 284 | 0 285 | 1 286 | 3 287 | 8 288 | 2 289 | 1 290 | 1 291 | 0 292 | 0 293 | 294 | 295 | 296 | 297 | 298 | 299 | 300 | 301 | 0 302 | 1 303 | 0 304 | 0 305 | 306 | 307 | 308 | 309 | 310 | 311 | 312 | 313 | 0 314 | 0 315 | 1 316 | 0 317 | 2 318 | 1 319 | 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 | Source Group 1 348 | 349 | 350 | main.c 351 | 1 352 | .\main.c 353 | 354 | 355 | music_data.c 356 | 1 357 | .\music_data.c 358 | 359 | 360 | music_data.h 361 | 5 362 | .\music_data.h 363 | 364 | 365 | 366 | 367 | 368 | 369 | 370 | 371 | -------------------------------------------------------------------------------- /pwm/电路图.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/xfgryujk/c51-play-music/d882ca571a1feba5c82f13c96d283fd74dbc5831/pwm/电路图.png -------------------------------------------------------------------------------- /scripts/beep.json: -------------------------------------------------------------------------------- 1 | [[659, 1667], [587, 1667], [523, 1667], [494, 1667], [440, 1667], [392, 1667], [440, 1667], [523, 833], [523, 417], [494, 417], [523, 417], [494, 417], [523, 417], [330, 417], [392, 833], [494, 833], [523, 833], [659, 833], [784, 417], [659, 417], [784, 417], [880, 417], [698, 417], [659, 417], [587, 417], [698, 417], [659, 417], [587, 417], [523, 417], [494, 417], [440, 417], [349, 417], [523, 833], [523, 833], [494, 417], [587, 208], [392, 208], [659, 625], [392, 208], [659, 417], [523, 208], [587, 833], [659, 208], [698, 208], [659, 208], [587, 208], [330, 208], [523, 625], [523, 625], [494, 208], [523, 208], [494, 417], [392, 208], [330, 417], [392, 417], [262, 208], [440, 208], [262, 417], 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/scripts/tone_to_loop_count.py: -------------------------------------------------------------------------------- 1 | # -*- coding: utf-8 -*- 2 | """ 3 | 将beep谱（频率、持续时间）转换为循环次数 4 | """ 5 | 6 | import json 7 | 8 | # 晶振频率(Hz) 9 | CRYSTAL_FREQUENCY = 11059200 10 | # 计数周期（机器周期）(s) 11 | COUNT_PERIOD = 1 / (CRYSTAL_FREQUENCY / 12) 12 | # 一次循环几个机器周期，通过定时器实验得到 13 | COUNT_PER_LOOP = 38 14 | # 一次循环时间(ms) 15 | MS_PER_LOOP = COUNT_PERIOD * 1000 * COUNT_PER_LOOP 16 | 17 | 18 | def tone_to_loop_count(notes, output_path): 19 | res = [] 20 | for frequency, duration in notes: 21 | if frequency == 0: 22 | # 延时 23 | loop_count = 65535 24 | period_count = round(duration / MS_PER_LOOP) 25 | else: 26 | period = 1000 / frequency 27 | loop_count = round(period / 2 / MS_PER_LOOP) 28 | period_count = round(duration / period) 29 | # 最低频率0.185，loop_count = 65534 30 | assert 0 <= loop_count <= 65535, f'frequency = {frequency}, loop_count = {loop_count}，不在unsigned int范围内' 31 | # 把一个时间过长的音符拆成多个音符 32 | while period_count > 65535: 33 | res.append((loop_count, 65535)) 34 | period_count -= 65535 35 | res.append((loop_count, period_count)) 36 | 37 | with open(output_path + '.h', 'w') as f: 38 | f.write(f"""#define DELAY_COUNT 65535 39 | #define NOTES_LEN {len(res)} 40 | extern const unsigned int code notes[][2]; 41 | """) 42 | 43 | with open(output_path + '.c', 'w') as f: 44 | f.write('const unsigned int code notes[][2] = {\n') 45 | for i in range(0, len(res), 6): 46 | f.write('\t') 47 | for loop_count, period_count in res[i: i + 6]: 48 | f.write(f'{{{loop_count}, {period_count}}}, ') 49 | f.write('\n') 50 | f.write('};\n') 51 | 52 | 53 | def main(): 54 | with open('beep.json') as f: 55 | notes = json.load(f) 56 | tone_to_loop_count(notes, '../beep/music_data') 57 | 58 | 59 | if __name__ == '__main__': 60 | main() 61 | -------------------------------------------------------------------------------- /scripts/wav_to_code.py: -------------------------------------------------------------------------------- 1 | # -*- coding: utf-8 -*- 2 | """ 3 | 将wav文件中的PCM波形转换为C语言数组代码 4 | """ 5 | 6 | import wave 7 | 8 | import numpy as np 9 | 10 | # 晶振频率(Hz) 11 | CRYSTAL_FREQUENCY = 11059200 12 | # 计数周期(s) 13 | COUNT_PERIOD = 1 / (CRYSTAL_FREQUENCY / 12) 14 | 15 | 16 | def wav_to_code(wav_path, output_path): 17 | with wave.open(wav_path, 'rb') as f: 18 | n_channels, sample_width, frame_rate, n_frames, _, _ = f.getparams() 19 | assert sample_width in (1, 2), '只支持8位或16位采样' 20 | frame_period = 1 / frame_rate 21 | pcm = f.readframes(n_frames) 22 | 23 | th0 = 256 - int(frame_period / COUNT_PERIOD) 24 | assert th0 >= 0, '采样率太低' # 最低频率3600Hz 25 | 26 | if sample_width == 1: 27 | pcm = np.fromstring(pcm, np.int8) 28 | # 取第一个声道 29 | pcm = pcm.reshape(n_frames, n_channels)[:, 0] 30 | pcm += 128 31 | else: 32 | pcm = np.fromstring(pcm, np.int16).astype(np.int32) 33 | pcm = pcm.reshape(n_frames, n_channels)[:, 0] 34 | pcm = (pcm + 32768) // 256 35 | # 防溢出 36 | for index in np.where(pcm < 0): 37 | pcm[index] = 0 38 | for index in np.where(pcm > 255): 39 | pcm[index] = 255 40 | 41 | with open(output_path + '.h', 'w') as f: 42 | f.write(f"""#define INIT_TH0 {th0} 43 | #define PCM_DATA_LEN {len(pcm)} 44 | extern const unsigned char code pcmData[]; 45 | """) 46 | 47 | with open(output_path + '.c', 'w') as f: 48 | f.write('const unsigned char code pcmData[] = (\n') 49 | for i in range(0, len(pcm), 32): 50 | f.write('\t"') 51 | for sample in pcm[i: i + 32]: 52 | f.write(f'\\x{sample:02X}') 53 | f.write('"\n') 54 | f.write(');\n') 55 | 56 | 57 | def main(): 58 | wav_to_code('flower dance.wav', '../dac/music_data') 59 | 60 | 61 | if __name__ == '__main__': 62 | main() 63 | -------------------------------------------------------------------------------- /scripts/wav_to_pwm.py: -------------------------------------------------------------------------------- 1 | # -*- coding: utf-8 -*- 2 | """ 3 | 将wav文件中的PCM波形转换为PWM高电平持续时间C语言数组代码 4 | """ 5 | 6 | import wave 7 | 8 | import numpy as np 9 | 10 | # 晶振频率(Hz) 11 | CRYSTAL_FREQUENCY = 11059200 12 | # 计数周期(s) 13 | COUNT_PERIOD = 1 / (CRYSTAL_FREQUENCY / 12) 14 | 15 | 16 | def wav_to_pwm(wav_path, output_path): 17 | with wave.open(wav_path, 'rb') as f: 18 | n_channels, sample_width, frame_rate, n_frames, _, _ = f.getparams() 19 | assert sample_width in (1, 2), '只支持8位或16位采样' 20 | frame_period = 1 / frame_rate 21 | pcm = f.readframes(n_frames) 22 | 23 | # 定时器0初始计数，影响PWM载波频率。载波频率越高越好，这里只取载波频率 = 采样频率 24 | init_count = 65536 - int(frame_period / COUNT_PERIOD) 25 | init_th0 = init_count // 256 26 | # 如果采样周期太长，每个周期需要2字节编码，浪费空间。最低频率3600Hz 27 | assert init_th0 == 255, '采样率太低' 28 | init_tl0 = init_count % 256 29 | 30 | if sample_width == 1: 31 | pcm = np.fromstring(pcm, np.int8).astype(np.float) 32 | # 取第一个声道 33 | pcm = pcm.reshape(n_frames, n_channels)[:, 0] 34 | # 方波下的面积在本周期占的比例，作为PWM方波占空比 35 | duty_cycles = (pcm + 128) / 256 36 | else: 37 | pcm = np.fromstring(pcm, np.int16).astype(np.float) 38 | pcm = pcm.reshape(n_frames, n_channels)[:, 0] 39 | duty_cycles = (pcm + 32768) / 65536 40 | # 定时器1在每个周期的初始计数，影响高电平时间 41 | init_tl1s = 256 - (duty_cycles * (frame_period / COUNT_PERIOD)).astype(np.int32) 42 | # 防溢出 43 | for index in np.where(init_tl1s < 0): 44 | init_tl1s[index] = 0 45 | for index in np.where(init_tl1s > 255): 46 | init_tl1s[index] = 255 47 | 48 | with open(output_path + '.h', 'w') as f: 49 | f.write(f"""#define SAMPLE_RATE {frame_rate} 50 | // #define INIT_TH0 {init_th0} 51 | #define INIT_TL0 {init_tl0} 52 | #define PWM_DATA_LEN {len(init_tl1s)} 53 | extern const unsigned char code pwmData[]; 54 | """) 55 | 56 | with open(output_path + '.c', 'w') as f: 57 | f.write('const unsigned char code pwmData[] = (\n') 58 | for i in range(0, len(init_tl1s), 32): 59 | f.write('\t"') 60 | for init_tl1 in init_tl1s[i: i + 32]: 61 | f.write(f'\\x{init_tl1:02X}') 62 | f.write('"\n') 63 | f.write(');\n') 64 | 65 | 66 | def main(): 67 | wav_to_pwm('flower dance.wav', '../pwm/music_data') 68 | 69 | 70 | if __name__ == '__main__': 71 | main() 72 | --------------------------------------------------------------------------------