├── 3Dmodel.stl ├── Bilibili_LEDMatrix_V1.ino ├── LICENSE ├── README.md ├── fonts.h └── max7219.h /3Dmodel.stl: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/mascg/Bilibili_LEDMatrix_Fans_Monitor/154a294490f3eec10e259a27162a3fef409cd4e4/3Dmodel.stl -------------------------------------------------------------------------------- /Bilibili_LEDMatrix_V1.ino: -------------------------------------------------------------------------------- 1 | /* 2 | *鸣谢 3 | https://youtu.be/bePgZIXHSkM 4 | (c)2017 Pawel A. Hernik 5 | 感谢视频原作者分享的源代码以及提供的思路。 6 | 7 | *作者 8 | AlexCheng Bilibili频道：咸鱼Cosmos 欢迎订阅！ 9 | 10 | *日期 11 | 2018/11/1 12 | */ 13 | 14 | // 硬件接线说明 15 | // ESP-01： 16 | 17 | // GPIO 2 - DataIn 18 | // GPIO 1 - LOAD/CS 19 | // GPIO 0 - CLK 20 | 21 | // ------------------------ 22 | // NodeMCU 1.0 ： 23 | 24 | // D8 - DataIn 25 | // D7 - LOAD/CS 26 | // D6 - CLK 27 | 28 | 29 | 30 | #include "Arduino.h" 31 | #include 32 | #include 33 | 34 | #define NUM_MAX 4 35 | #define ROTATE 90 36 | 37 | // for ESP-01 module 38 | //#define DIN_PIN 2 // D4 39 | //#define CS_PIN 3 // D9/RX 40 | //#define CLK_PIN 0 // D3 41 | 42 | // for NodeMCU 1.0 43 | #define DIN_PIN 15 // D8 44 | #define CS_PIN 13 // D7 45 | #define CLK_PIN 12 // D6 46 | 47 | #include "max7219.h" 48 | #include "fonts.h" 49 | 50 | // ======================================================================= 51 | // 配置信息 52 | // ======================================================================= 53 | const char* ssid = "Cosmos"; // WiFi名 54 | const char* password = "abc123456"; //WiFi密码 55 | String channelId = "96458132"; //bilibili UID 56 | long utcOffset = 8; //时区，默认 +8 为东八区（中国北京） 57 | // ======================================================================= 58 | 59 | void setup() 60 | { 61 | Serial.begin(115200); 62 | initMAX7219(); 63 | sendCmdAll(CMD_SHUTDOWN, 1); 64 | sendCmdAll(CMD_INTENSITY, 0); 65 | WiFi.enableAP(false); //关闭AP热点 66 | Serial.print("Connecting WiFi "); 67 | WiFi.begin(ssid, password); 68 | printStringWithShift(" WiFi ...~", 15, font, ' '); 69 | while (WiFi.status() != WL_CONNECTED) { 70 | Serial.print("."); delay(500); 71 | } 72 | Serial.println(""); 73 | Serial.print("Connected: "); Serial.println(WiFi.localIP()); 74 | Serial.println("Getting data ..."); 75 | printStringWithShift("Bi ... ~", 15, font, ' '); 76 | } 77 | // ======================================================================= 78 | 79 | long viewCount, viewCount24h = -1, viewsGain24h; 80 | long subscriberCount, subscriberCount1h = -1, subscriberCount24h = -1, subsGain1h = 0, subsGain24h = 0; 81 | long videoCount; 82 | int cnt = 0; 83 | unsigned long time1h, time24h; 84 | long localEpoc = 0; 85 | long localMillisAtUpdate = 0; 86 | int h, m, s; 87 | String date; 88 | 89 | void loop() 90 | { 91 | if (cnt <= 0) { 92 | if ((getYTData() == 0) && (getVideoData() == 0) && (getplayData() == 0)) { 93 | cnt = 1; // data is refreshed every 50 loops 94 | if (subscriberCount1h < 0) { 95 | time1h = time24h = millis(); 96 | subscriberCount1h = subscriberCount24h = subscriberCount; 97 | viewCount24h = viewCount; 98 | } 99 | if (millis() - time1h > 1000 * 60 * 60) { 100 | time1h = millis(); 101 | subscriberCount1h = subscriberCount; 102 | } 103 | if (millis() - time24h > 1000 * 60 * 60 * 24) { 104 | time24h = millis(); 105 | subscriberCount24h = subscriberCount; 106 | viewCount24h = viewCount; 107 | } 108 | subsGain1h = subscriberCount - subscriberCount1h; 109 | subsGain24h = subscriberCount - subscriberCount24h; 110 | viewsGain24h = viewCount - viewCount24h; 111 | } 112 | } 113 | cnt--; 114 | updateTime(); 115 | int del = 3000; 116 | int scrollDel = 20; 117 | char txt[10]; 118 | 119 | //+++++++++++++++++++++粉丝数+++++++++++++++++++++// 120 | printStringWithShift(" Fans: ", scrollDel, font, ' '); // eng 121 | printValueWithShift(subscriberCount, scrollDel, 0); 122 | delay(del); 123 | //+++++++++++++++++++++1小时增加粉丝数（无则不显示）+++++++++++++++++++++// 124 | if (subsGain1h > 0) { 125 | printStringWithShift(" Fans gain 1h: ", scrollDel, font, ' '); // eng 126 | printValueWithShift(subsGain1h, scrollDel, 1); 127 | delay(del); 128 | } 129 | //+++++++++++++++++++++24小时粉丝数（无则不显示）+++++++++++++++++++++// 130 | if (subsGain24h > 0) { 131 | printStringWithShift(" Fans gain 24h: ", scrollDel, font, ' '); // eng 132 | printValueWithShift(subsGain24h, scrollDel, 1); 133 | delay(del); 134 | } 135 | //+++++++++++++++++++++直播数（无则不显示）+++++++++++++++++++++// 136 | if (viewCount != viewCount24h) { 137 | printStringWithShift(" Live: ", scrollDel, font, ' '); // eng 138 | printValueWithShift(viewCount, scrollDel, 0); 139 | delay(del); 140 | } 141 | //+++++++++++++++++++++播放数+++++++++++++++++++++// 142 | printStringWithShift(" Play: ", scrollDel, font, ' '); // eng 143 | printValueWithShift(videoCount, scrollDel, 0); 144 | delay(del); 145 | //+++++++++++++++++++++时间（根据前面设定的时区决定）+++++++++++++++++++++// 146 | sprintf(txt, " %02d:%02d ", h, m); 147 | printStringWithShift(txt, scrollDel, font, ' '); // real time 148 | delay(del); 149 | 150 | } 151 | // ======================================================================= 152 | 153 | int dualChar = 0; 154 | 155 | unsigned char convertPolish(unsigned char _c) 156 | { 157 | unsigned char c = _c; 158 | if (c == 196 || c == 197 || c == 195) { 159 | dualChar = c; 160 | return 0; 161 | } 162 | if (dualChar) { 163 | switch (_c) { 164 | case 133: c = 1 + '~'; break; // 'ą' 165 | case 135: c = 2 + '~'; break; // 'ć' 166 | case 153: c = 3 + '~'; break; // 'ę' 167 | case 130: c = 4 + '~'; break; // 'ł' 168 | case 132: c = dualChar == 197 ? 5 + '~' : 10 + '~'; break; // 'ń' and 'Ą' 169 | case 179: c = 6 + '~'; break; // 'ó' 170 | case 155: c = 7 + '~'; break; // 'ś' 171 | case 186: c = 8 + '~'; break; // 'ź' 172 | case 188: c = 9 + '~'; break; // 'ż' 173 | //case 132: c = 10+'~'; break; // 'Ą' 174 | case 134: c = 11 + '~'; break; // 'Ć' 175 | case 152: c = 12 + '~'; break; // 'Ę' 176 | case 129: c = 13 + '~'; break; // 'Ł' 177 | case 131: c = 14 + '~'; break; // 'Ń' 178 | case 147: c = 15 + '~'; break; // 'Ó' 179 | case 154: c = 16 + '~'; break; // 'Ś' 180 | case 185: c = 17 + '~'; break; // 'Ź' 181 | case 187: c = 18 + '~'; break; // 'Ż' 182 | default: break; 183 | } 184 | dualChar = 0; 185 | return c; 186 | } 187 | switch (_c) { 188 | case 185: c = 1 + '~'; break; 189 | case 230: c = 2 + '~'; break; 190 | case 234: c = 3 + '~'; break; 191 | case 179: c = 4 + '~'; break; 192 | case 241: c = 5 + '~'; break; 193 | case 243: c = 6 + '~'; break; 194 | case 156: c = 7 + '~'; break; 195 | case 159: c = 8 + '~'; break; 196 | case 191: c = 9 + '~'; break; 197 | case 165: c = 10 + '~'; break; 198 | case 198: c = 11 + '~'; break; 199 | case 202: c = 12 + '~'; break; 200 | case 163: c = 13 + '~'; break; 201 | case 209: c = 14 + '~'; break; 202 | case 211: c = 15 + '~'; break; 203 | case 140: c = 16 + '~'; break; 204 | case 143: c = 17 + '~'; break; 205 | case 175: c = 18 + '~'; break; 206 | default: break; 207 | } 208 | return c; 209 | } 210 | 211 | // ======================================================================= 212 | 213 | int charWidth(char ch, const uint8_t *data) 214 | { 215 | int len = pgm_read_byte(data); 216 | return pgm_read_byte(data + 1 + ch * len); 217 | } 218 | 219 | // ======================================================================= 220 | 221 | int showChar(char ch, const uint8_t *data) 222 | { 223 | int len = pgm_read_byte(data); 224 | int i, w = pgm_read_byte(data + 1 + ch * len); 225 | scr[NUM_MAX * 8] = 0; 226 | for (i = 0; i < w; i++) 227 | scr[NUM_MAX * 8 + i + 1] = pgm_read_byte(data + 1 + ch * len + 1 + i); 228 | return w; 229 | } 230 | 231 | // ======================================================================= 232 | 233 | void printCharWithShift(unsigned char c, int shiftDelay, const uint8_t *data, int offs) 234 | { 235 | c = convertPolish(c); 236 | if (c < offs || c > MAX_CHAR) return; 237 | c -= offs; 238 | int w = showChar(c, data); 239 | for (int i = 0; i < w + 1; i++) { 240 | delay(shiftDelay); 241 | scrollLeft(); 242 | refreshAll(); 243 | } 244 | } 245 | 246 | // ======================================================================= 247 | 248 | void printStringWithShift(const char *s, int shiftDelay, const uint8_t *data, int offs) 249 | { 250 | while (*s) printCharWithShift(*s++, shiftDelay, data, offs); 251 | } 252 | 253 | // ======================================================================= 254 | // printValueWithShift(): 255 | // converts int to string 256 | // centers string on the display 257 | // chooses proper font for string/number length 258 | // can display sign - or + 259 | void printValueWithShift(long val, int shiftDelay, int sign) 260 | { 261 | const uint8_t *digits = digits5x7; // good for max 5 digits 262 | if (val > 1999999) digits = digits3x7; // good for max 8 digits 263 | else if (val > 99999) digits = digits4x7; // good for max 6-7 digits 264 | String str = String(val); 265 | if (sign) { 266 | if (val < 0) str = ";" + str; else str = "<" + str; 267 | } 268 | const char *s = str.c_str(); 269 | int wd = 0; 270 | while (*s) wd += 1 + charWidth(*s++ - '0', digits); 271 | wd--; 272 | int wdL = (NUM_MAX * 8 - wd) / 2; 273 | int wdR = NUM_MAX * 8 - wdL - wd; 274 | //Serial.println(wd); Serial.println(wdL); Serial.println(wdR); 275 | s = str.c_str(); 276 | while (wdL > 0) { 277 | printCharWithShift(':', shiftDelay, digits, '0'); 278 | wdL--; 279 | } 280 | while (*s) printCharWithShift(*s++, shiftDelay, digits, '0'); 281 | while (wdR > 0) { 282 | printCharWithShift(':', shiftDelay, digits, '0'); 283 | wdR--; 284 | } 285 | } 286 | 287 | // =====================订阅数================================================== 288 | 289 | const char *ytHost = "api.bilibili.com"; 290 | 291 | int getYTData() 292 | { 293 | WiFiClientSecure client; 294 | Serial.print("connecting to "); Serial.println(ytHost); 295 | if (!client.connect(ytHost, 443)) { 296 | Serial.println("connection failed"); 297 | return -1; 298 | } 299 | String cmd = String("GET /x/relation/stat?vmid=") + channelId + " HTTP/1.1\r\n" + 300 | "Host: " + ytHost + "\r\nUser-Agent: ESP8266/1.1\r\nConnection: close\r\n\r\n"; 301 | client.print(cmd); 302 | 303 | int repeatCounter = 10; 304 | while (!client.available() && repeatCounter--) { 305 | Serial.println("y."); delay(500); 306 | } 307 | String line, buf = ""; 308 | int startJson = 0, dateFound = 0; 309 | while (client.connected() && client.available()) { 310 | line = client.readStringUntil('\n'); 311 | if (line[0] == '{') startJson = 1; 312 | if (startJson) { 313 | for (int i = 0; i < line.length(); i++) 314 | if (line[i] == '[' || line[i] == ']') line[i] = ' '; 315 | buf += line + "\n"; 316 | } 317 | if (!dateFound && line.startsWith("Date: ")) { 318 | dateFound = 1; 319 | date = line.substring(6, 22); 320 | h = line.substring(23, 25).toInt(); 321 | m = line.substring(26, 28).toInt(); 322 | s = line.substring(29, 31).toInt(); 323 | localMillisAtUpdate = millis(); 324 | localEpoc = (h * 60 * 60 + m * 60 + s); 325 | } 326 | } 327 | client.stop(); 328 | 329 | DynamicJsonBuffer jsonBuf; 330 | JsonObject &root = jsonBuf.parseObject(buf); 331 | if (!root.success()) { 332 | Serial.println("parseObject() failed"); 333 | printStringWithShift("json error!", 30, font, ' '); 334 | delay(10); 335 | return -1; 336 | } 337 | subscriberCount = root["data"]["follower"]; 338 | return 0; 339 | } 340 | 341 | // =====================直播参数================================================== 342 | 343 | const char *videoHost = "api.live.bilibili.com"; 344 | 345 | int getVideoData() 346 | { 347 | WiFiClientSecure client; 348 | Serial.print("connecting to "); Serial.println(videoHost); 349 | if (!client.connect(videoHost, 443)) { 350 | Serial.println("connection failed"); 351 | return -1; 352 | } 353 | String cmd = String("GET /room/v1/Room/getRoomInfoOld?mid=") + channelId + " HTTP/1.1\r\n" + 354 | "Host: " + videoHost + "\r\nUser-Agent: ESP8266/1.1\r\nConnection: close\r\n\r\n"; 355 | client.print(cmd); 356 | 357 | int repeatCounter = 10; 358 | while (!client.available() && repeatCounter--) { 359 | Serial.println("y."); delay(500); 360 | } 361 | String line, buf = ""; 362 | int startJson = 0, dateFound = 0; 363 | while (client.connected() && client.available()) { 364 | line = client.readStringUntil('\n'); 365 | if (line[0] == '{') startJson = 1; 366 | if (startJson) { 367 | for (int i = 0; i < line.length(); i++) 368 | if (line[i] == '[' || line[i] == ']') line[i] = ' '; 369 | buf += line + "\n"; 370 | } 371 | if (!dateFound && line.startsWith("Date: ")) { 372 | dateFound = 1; 373 | date = line.substring(6, 22); 374 | h = line.substring(23, 25).toInt(); 375 | m = line.substring(26, 28).toInt(); 376 | s = line.substring(29, 31).toInt(); 377 | localMillisAtUpdate = millis(); 378 | localEpoc = (h * 60 * 60 + m * 60 + s); 379 | } 380 | } 381 | client.stop(); 382 | 383 | DynamicJsonBuffer jsonBuf; 384 | JsonObject &root = jsonBuf.parseObject(buf); 385 | if (!root.success()) { 386 | Serial.println("parseObject() failed"); 387 | printStringWithShift("json error!", 30, font, ' '); 388 | delay(10); 389 | return -1; 390 | } 391 | viewCount = root["data"]["online"]; 392 | return 0; 393 | } 394 | // =====================播放数参数================================================== 395 | 396 | const char *playHost = "api.bilibili.com"; 397 | 398 | int getplayData() 399 | { 400 | WiFiClientSecure client; 401 | Serial.print("connecting to "); Serial.println(playHost); 402 | if (!client.connect(playHost, 443)) { 403 | Serial.println("connection failed"); 404 | return -1; 405 | } 406 | String cmd = String("GET /x/space/upstat?mid=") + channelId + " HTTP/1.1\r\n" + 407 | "Host: " + playHost + "\r\nUser-Agent: ESP8266/1.1\r\nConnection: close\r\n\r\n"; 408 | client.print(cmd); 409 | 410 | int repeatCounter = 10; 411 | while (!client.available() && repeatCounter--) { 412 | Serial.println("y."); delay(500); 413 | } 414 | String line, buf = ""; 415 | int startJson = 0, dateFound = 0; 416 | while (client.connected() && client.available()) { 417 | line = client.readStringUntil('\n'); 418 | if (line[0] == '{') startJson = 1; 419 | if (startJson) { 420 | for (int i = 0; i < line.length(); i++) 421 | if (line[i] == '[' || line[i] == ']') line[i] = ' '; 422 | buf += line + "\n"; 423 | } 424 | if (!dateFound && line.startsWith("Date: ")) { 425 | dateFound = 1; 426 | date = line.substring(6, 22); 427 | h = line.substring(23, 25).toInt(); 428 | m = line.substring(26, 28).toInt(); 429 | s = line.substring(29, 31).toInt(); 430 | localMillisAtUpdate = millis(); 431 | localEpoc = (h * 60 * 60 + m * 60 + s); 432 | } 433 | } 434 | client.stop(); 435 | 436 | DynamicJsonBuffer jsonBuf; 437 | JsonObject &root = jsonBuf.parseObject(buf); 438 | if (!root.success()) { 439 | Serial.println("parseObject() failed"); 440 | printStringWithShift("json error!", 30, font, ' '); 441 | delay(10); 442 | return -1; 443 | } 444 | videoCount = root["data"]["archive"]["view"]; 445 | return 0; 446 | } 447 | // ======================================================================= 448 | 449 | void updateTime() 450 | { 451 | long curEpoch = localEpoc + ((millis() - localMillisAtUpdate) / 1000); 452 | long epoch = round(curEpoch + 3600 * utcOffset + 86400L) % 86400L; 453 | h = ((epoch % 86400L) / 3600) % 24; 454 | m = (epoch % 3600) / 60; 455 | s = epoch % 60; 456 | } 457 | 458 | // ======================================================================= 459 | -------------------------------------------------------------------------------- /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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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 |

Bilibili点阵显示器

2 |
3 |

作者：咸鱼Cosmos 欢迎订阅我的频道

4 |

Demo：https://www.bilibili.com/video/av34606451

5 |
6 |

功能：

7 |

1、时间（可以更换时区）

8 |

2、播放数

9 |

3、直播间热度

10 |

4、粉丝数（1h内粉丝增长情况）

11 |
12 |

材料：

13 |

ESP8266

14 |

MAX7219点阵（4联排）

15 |

杜邦线

16 |

MicroUSB线

17 |

3D打印外壳（3Dmodel.stl，文件为理想打印形状，根据各人打印机不同，按照各自所需进行合理修改才可装配）

18 |

半透明黑色亚克力面板

19 |

螺丝螺母4套

20 |
21 |

简要安装步骤：

22 |

1、下载Bilibili_LEDMatrix_V1.ino、fonts.h、max7219.h三个文件；

23 |

2、参照注释对Bilibili_LEDMatrix_V1.ino文件中的需要配置的地方进行更改；

24 |

3、按照视频中配置编译程序：https://www.bilibili.com/video/av32725704 ；

25 |

4、接入ESP8266，编译，上传；

26 |

5、完成！

27 |
28 |

更新日志：

29 |

2021/08/15 API已经更新导致失效，待有缘更新

30 |

2018/11/6 更新了直播热度低于10不显示

31 |

2019/3/1 修复了停止直播后依然会显示直播热度的BUG，修复了24h内粉丝数增长为0依然显示+0的BUG

32 |

然后，，，剩下的BUG，在下一次更新中。

33 |

咕咕咕

34 |
35 | -------------------------------------------------------------------------------- /fonts.h: -------------------------------------------------------------------------------- 1 | #define MAX_CHAR ('~'+26) 2 | 3 | const uint8_t digits5x7[] PROGMEM = {6, 4 | 0x05, 0x3E, 0x51, 0x49, 0x45, 0x3E, // 0 5 | 0x03, 0x04, 0x02, 0x7F, 0x00, 0x00, // 1 6 | 0x05, 0x42, 0x61, 0x51, 0x49, 0x46, // 2 7 | 0x05, 0x22, 0x41, 0x49, 0x49, 0x36, // 3 8 | 0x05, 0x18, 0x14, 0x12, 0x11, 0x7F, // 4 9 | 0x05, 0x27, 0x45, 0x45, 0x45, 0x39, // 5 10 | 0x05, 0x3E, 0x49, 0x49, 0x49, 0x32, // 6 11 | 0x05, 0x01, 0x01, 0x71, 0x09, 0x07, // 7 12 | 0x05, 0x36, 0x49, 0x49, 0x49, 0x36, // 8 13 | 0x05, 0x26, 0x49, 0x49, 0x49, 0x3E, // 9 14 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 15 | 0x05, 0x08, 0x08, 0x08, 0x08, 0x08, // ; - 16 | 0x05, 0x08, 0x08, 0x3E, 0x08, 0x08, // < + 17 | }; 18 | 19 | const uint8_t digits4x7[] PROGMEM = {5, 20 | 0x04, 0x3E, 0x41, 0x41, 0x3E, // 0 21 | 0x02, 0x02, 0x7F, 0x00, 0x00, // 1 22 | 0x04, 0x62, 0x51, 0x49, 0x46, // 2 23 | 0x04, 0x22, 0x41, 0x49, 0x36, // 3 24 | 0x04, 0x18, 0x14, 0x12, 0x7F, // 4 25 | 0x04, 0x27, 0x45, 0x45, 0x39, // 5 26 | 0x04, 0x3E, 0x49, 0x49, 0x32, // 6 27 | 0x04, 0x01, 0x71, 0x09, 0x07, // 7 28 | 0x04, 0x36, 0x49, 0x49, 0x36, // 8 29 | 0x04, 0x26, 0x49, 0x49, 0x3E, // 9 30 | 0x00, 0x00, 0x00, 0x00, 0x00, // 31 | 0x03, 0x08, 0x08, 0x08, 0x00, // - 32 | 0x03, 0x08, 0x1C, 0x08, 0x00, // + 33 | }; 34 | 35 | const uint8_t digits3x7[] PROGMEM = {4, 36 | 0x03, 0x7F, 0x41, 0x7F, 37 | 0x03, 0x04, 0x02, 0x7F, 38 | 0x03, 0x79, 0x49, 0x4F, 39 | 0x03, 0x41, 0x49, 0x7F, 40 | 0x03, 0x1F, 0x10, 0x7E, 41 | 0x03, 0x4F, 0x49, 0x79, 42 | 0x03, 0x7F, 0x49, 0x79, 43 | 0x03, 0x01, 0x71, 0x0F, 44 | 0x03, 0x7F, 0x49, 0x7F, 45 | 0x03, 0x4F, 0x49, 0x7F, 46 | 0x00, 0x00, 0x00, 0x00, 47 | 0x03, 0x08, 0x08, 0x08, 48 | 0x03, 0x08, 0x1C, 0x08, 49 | }; 50 | 51 | const uint8_t font[] PROGMEM = {6, 52 | 2, B00000000, B00000000, B00000000, B00000000, B00000000, // space 53 | 1, B01011111, B00000000, B00000000, B00000000, B00000000, // ! 54 | 3, B00000011, B00000000, B00000011, B00000000, B00000000, // " 55 | 5, B00010100, B00111110, B00010100, B00111110, B00010100, // # 56 | 4, B00100100, B01101010, B00101011, B00010010, B00000000, // $ 57 | 5, B01100011, B00010011, B00001000, B01100100, B01100011, // % 58 | 5, B00110110, B01001001, B01010110, B00100000, B01010000, // & 59 | 1, B00000011, B00000000, B00000000, B00000000, B00000000, // ' 60 | 3, B00011100, B00100010, B01000001, B00000000, B00000000, // ( 61 | 3, B01000001, B00100010, B00011100, B00000000, B00000000, // ) 62 | 5, B00101000, B00011000, B00001110, B00011000, B00101000, // * 63 | 5, B00001000, B00001000, B00111110, B00001000, B00001000, // + 64 | 2, B10110000, B01110000, B00000000, B00000000, B00000000, // , 65 | 4, B00001000, B00001000, B00001000, B00001000, B00000000, // - 66 | 1, B01000000, B00000000, B00000000, B00000000, B00000000, // . 67 | 3, B01100000, B00011100, B00000011, B00000000, B00000000, // / 68 | 4, B00111110, B01000001, B01000001, B00111110, B00000000, // 0 69 | 3, B01000010, B01111111, B01000000, B00000000, B00000000, // 1 70 | //2, B00000010, B01111111, B00000000, B00000000, B00000000, // 1 71 | 4, B01100010, B01010001, B01001001, B01000110, B00000000, // 2 72 | 4, B00100010, B01000001, B01001001, B00110110, B00000000, // 3 73 | 4, B00011000, B00010100, B00010010, B01111111, B00000000, // 4 74 | 4, B00100111, B01000101, B01000101, B00111001, B00000000, // 5 75 | 4, B00111110, B01001001, B01001001, B00110010, B00000000, // 6 76 | 4, B01100001, B00010001, B00001001, B00000111, B00000000, // 7 77 | 4, B00110110, B01001001, B01001001, B00110110, B00000000, // 8 78 | 4, B00100110, B01001001, B01001001, B00111110, B00000000, // 9 79 | 1, B01000100, B00000000, B00000000, B00000000, B00000000, // : 80 | 2, B10000000, B01010000, B00000000, B00000000, B00000000, // ; 81 | 3, B00010000, B00101000, B01000100, B00000000, B00000000, // < 82 | 3, B00010100, B00010100, B00010100, B00000000, B00000000, // = 83 | 3, B01000100, B00101000, B00010000, B00000000, B00000000, // > 84 | 4, B00000010, B01011001, B00001001, B00000110, B00000000, // ? 85 | 5, B00111110, B01001001, B01010101, B01011101, B00001110, // @ 86 | 4, B01111110, B00010001, B00010001, B01111110, B00000000, // A 87 | 4, B01111111, B01001001, B01001001, B00110110, B00000000, // B 88 | 4, B00111110, B01000001, B01000001, B00100010, B00000000, // C 89 | 4, B01111111, B01000001, B01000001, B00111110, B00000000, // D 90 | 4, B01111111, B01001001, B01001001, B01000001, B00000000, // E 91 | 4, B01111111, B00001001, B00001001, B00000001, B00000000, // F 92 | 4, B00111110, B01000001, B01001001, B01111010, B00000000, // G 93 | 4, B01111111, B00001000, B00001000, B01111111, B00000000, // H 94 | 3, B01000001, B01111111, B01000001, B00000000, B00000000, // I 95 | 4, B00110000, B01000000, B01000001, B00111111, B00000000, // J 96 | 4, B01111111, B00001000, B00010100, B01100011, B00000000, // K 97 | 4, B01111111, B01000000, B01000000, B01000000, B00000000, // L 98 | 5, B01111111, B00000010, B00001100, B00000010, B01111111, // M 99 | 5, B01111111, B00000100, B00001000, B00010000, B01111111, // N 100 | 4, B00111110, B01000001, B01000001, B00111110, B00000000, // O 101 | 4, B01111111, B00001001, B00001001, B00000110, B00000000, // P 102 | 4, B00111110, B01000001, B01000001, B10111110, B00000000, // Q 103 | 4, B01111111, B00001001, B00001001, B01110110, B00000000, // R 104 | 4, B00100110, B01001001, B01001001, B00110010, B00000000, // S 105 | 5, B00000001, B00000001, B01111111, B00000001, B00000001, // T 106 | 4, B00111111, B01000000, B01000000, B00111111, B00000000, // U 107 | 5, B00001111, B00110000, B01000000, B00110000, B00001111, // V 108 | 5, B00111111, B01000000, B00111000, B01000000, B00111111, // W 109 | 5, B01100011, B00010100, B00001000, B00010100, B01100011, // X 110 | 5, B00000111, B00001000, B01110000, B00001000, B00000111, // Y 111 | 4, B01100001, B01010001, B01001001, B01000111, B00000000, // Z 112 | 2, B01111111, B01000001, B00000000, B00000000, B00000000, // [ 113 | 4, B00000001, B00000110, B00011000, B01100000, B00000000, // \ backslash 114 | 2, B01000001, B01111111, B00000000, B00000000, B00000000, // ] 115 | 3, B00000010, B00000001, B00000010, B00000000, B00000000, // hat 116 | 4, B01000000, B01000000, B01000000, B01000000, B00000000, // _ 117 | 2, B00000001, B00000010, B00000000, B00000000, B00000000, // ` 118 | 4, B00100000, B01010100, B01010100, B01111000, B00000000, // a 119 | 4, B01111111, B01000100, B01000100, B00111000, B00000000, // b 120 | 4, B00111000, B01000100, B01000100, B00101000, B00000000, // c 121 | 4, B00111000, B01000100, B01000100, B01111111, B00000000, // d 122 | 4, B00111000, B01010100, B01010100, B00011000, B00000000, // e 123 | 3, B00000100, B01111110, B00000101, B00000000, B00000000, // f 124 | 4, B10011000, B10100100, B10100100, B01111000, B00000000, // g 125 | 4, B01111111, B00000100, B00000100, B01111000, B00000000, // h 126 | 3, B01000100, B01111101, B01000000, B00000000, B00000000, // i 127 | 4, B01000000, B10000000, B10000100, B01111101, B00000000, // j 128 | 4, B01111111, B00010000, B00101000, B01000100, B00000000, // k 129 | 3, B01000001, B01111111, B01000000, B00000000, B00000000, // l 130 | 5, B01111100, B00000100, B01111100, B00000100, B01111000, // m 131 | 4, B01111100, B00000100, B00000100, B01111000, B00000000, // n 132 | 4, B00111000, B01000100, B01000100, B00111000, B00000000, // o 133 | 4, B11111100, B00100100, B00100100, B00011000, B00000000, // p 134 | 4, B00011000, B00100100, B00100100, B11111100, B00000000, // q 135 | 4, B01111100, B00001000, B00000100, B00000100, B00000000, // r 136 | 4, B01001000, B01010100, B01010100, B00100100, B00000000, // s 137 | 3, B00000100, B00111111, B01000100, B00000000, B00000000, // t 138 | 4, B00111100, B01000000, B01000000, B01111100, B00000000, // u 139 | 5, B00011100, B00100000, B01000000, B00100000, B00011100, // v 140 | 5, B00111100, B01000000, B00111100, B01000000, B00111100, // w 141 | 5, B01000100, B00101000, B00010000, B00101000, B01000100, // x 142 | 4, B10011100, B10100000, B10100000, B01111100, B00000000, // y 143 | 3, B01100100, B01010100, B01001100, B00000000, B00000000, // z 144 | 3, B00001000, B00110110, B01000001, B00000000, B00000000, // { 145 | 1, B01111111, B00000000, B00000000, B00000000, B00000000, // | 146 | 3, B01000001, B00110110, B00001000, B00000000, B00000000, // } 147 | 0, B00001000, B00000100, B00001000, B00000100, B00000000, // ~ // width was 4, used for 1 pixel space 148 | 149 | 5, B00100000, B01010100, B01010100, B11111000, B10000000, // a 150 | 4, B00111000, B01000100, B01000110, B00101001, B00000000, // c 151 | 4, B00111000, B01010100, B11010100, B10011000, B00000000, // e 152 | 3, B01010001, B01111111, B01000100, B00000000, B00000000, // l 153 | 4, B01111100, B00000100, B00000110, B01111001, B00000000, // n 154 | 4, B00111000, B01000100, B01000110, B00111001, B00000000, // o 155 | 4, B01001000, B01010100, B01010110, B00100101, B00000000, // s 156 | 3, B01100100, B01010110, B01001101, B00000000, B00000000, // z 157 | 3, B01100100, B01010101, B01001100, B00000000, B00000000, // z 158 | 5, B01111110, B00010001, B00010001, B11111110, B10000000, // A 159 | 4, B00111100, B01000010, B01000011, B00100101, B00000000, // C 160 | 5, B01111111, B01001001, B01001001, B11000001, B10000000, // E 161 | 4, B01111111, B01001000, B01000100, B01000000, B00000000, // L 162 | 5, B01111110, B00000100, B00001010, B00010001, B01111110, // N 163 | 4, B00111100, B01000110, B01000011, B00111100, B00000000, // O 164 | 4, B00100100, B01001010, B01001011, B00110000, B00000000, // S 165 | 4, B01100010, B01010110, B01001011, B01000110, B00000000, // Z 166 | 4, B01101001, B01011001, B01001101, B01001011, B00000000, // Z 167 | 168 | 5, B00111110, B01010101, B01100001, B01010101, B00111110, // :) 169 | 5, B00111110, B01100101, B01010001, B01100101, B00111110, // :( 170 | 5, B00111110, B01000101, B01010001, B01000101, B00111110, // :o 171 | 5, 0x06, 0x1F, 0x7E, 0x1F, 0x06, // heart 172 | 5, 0x04, 0x02, 0x7F, 0x02, 0x04, // arrow up 173 | 5, 0x10, 0x20, 0x7F, 0x20, 0x10, // arrow down 174 | 3, B00000010, B00000101, B00000010, B00000000, B00000000, // deg 175 | 5, B00001000, B00001000, B00101010, B00001000, B00001000, // - 176 | }; 177 | 178 | -------------------------------------------------------------------------------- /max7219.h: -------------------------------------------------------------------------------- 1 | // MAX7219 functions by Pawel A. Hernik 2 | 3 | // MAX7219 commands: 4 | #define CMD_NOOP 0 5 | #define CMD_DIGIT0 1 6 | #define CMD_DIGIT1 2 7 | #define CMD_DIGIT2 3 8 | #define CMD_DIGIT3 4 9 | #define CMD_DIGIT4 5 10 | #define CMD_DIGIT5 6 11 | #define CMD_DIGIT6 7 12 | #define CMD_DIGIT7 8 13 | #define CMD_DECODEMODE 9 14 | #define CMD_INTENSITY 10 15 | #define CMD_SCANLIMIT 11 16 | #define CMD_SHUTDOWN 12 17 | #define CMD_DISPLAYTEST 15 18 | 19 | byte scr[NUM_MAX*8 + 8]; // +8 for scrolled char 20 | 21 | void sendCmdAll(byte cmd, byte data) 22 | { 23 | digitalWrite(CS_PIN, LOW); 24 | for (int i = NUM_MAX-1; i>=0; i--) { 25 | shiftOut(DIN_PIN, CLK_PIN, MSBFIRST, cmd); 26 | shiftOut(DIN_PIN, CLK_PIN, MSBFIRST, data); 27 | } 28 | digitalWrite(CS_PIN, HIGH); 29 | } 30 | 31 | void refreshAllRot270() 32 | { 33 | byte mask = 0x01; 34 | for (int c = 0; c < 8; c++) { 35 | digitalWrite(CS_PIN, LOW); 36 | for(int i=NUM_MAX-1; i>=0; i--) { 37 | byte bt = 0; 38 | for(int b=0; b<8; b++) { 39 | bt<<=1; 40 | if(scr[i * 8 + b] & mask) bt|=0x01; 41 | } 42 | shiftOut(DIN_PIN, CLK_PIN, MSBFIRST, CMD_DIGIT0 + c); 43 | shiftOut(DIN_PIN, CLK_PIN, MSBFIRST, bt); 44 | } 45 | digitalWrite(CS_PIN, HIGH); 46 | mask<<=1; 47 | } 48 | } 49 | 50 | void refreshAllRot90() 51 | { 52 | byte mask = 0x80; 53 | for (int c = 0; c < 8; c++) { 54 | digitalWrite(CS_PIN, LOW); 55 | for(int i=NUM_MAX-1; i>=0; i--) { 56 | byte bt = 0; 57 | for(int b=0; b<8; b++) { 58 | bt>>=1; 59 | if(scr[i * 8 + b] & mask) bt|=0x80; 60 | } 61 | shiftOut(DIN_PIN, CLK_PIN, MSBFIRST, CMD_DIGIT0 + c); 62 | shiftOut(DIN_PIN, CLK_PIN, MSBFIRST, bt); 63 | } 64 | digitalWrite(CS_PIN, HIGH); 65 | mask>>=1; 66 | } 67 | } 68 | 69 | 70 | void refreshAll() { 71 | #if ROTATE==270 72 | refreshAllRot270(); 73 | #elif ROTATE==90 74 | refreshAllRot90(); 75 | #else 76 | for (int c = 0; c < 8; c++) { 77 | digitalWrite(CS_PIN, LOW); 78 | for(int i=NUM_MAX-1; i>=0; i--) { 79 | shiftOut(DIN_PIN, CLK_PIN, MSBFIRST, CMD_DIGIT0 + c); 80 | shiftOut(DIN_PIN, CLK_PIN, MSBFIRST, scr[i * 8 + c]); 81 | } 82 | digitalWrite(CS_PIN, HIGH); 83 | } 84 | #endif 85 | } 86 | 87 | void clr() 88 | { 89 | for (int i = 0; i < NUM_MAX*8; i++) scr[i] = 0; 90 | } 91 | 92 | void scrollLeft() 93 | { 94 | for(int i=0; i < NUM_MAX*8+7; i++) scr[i] = scr[i+1]; 95 | } 96 | 97 | void initMAX7219() 98 | { 99 | pinMode(DIN_PIN, OUTPUT); 100 | pinMode(CLK_PIN, OUTPUT); 101 | pinMode(CS_PIN, OUTPUT); 102 | digitalWrite(CS_PIN, HIGH); 103 | sendCmdAll(CMD_DISPLAYTEST, 0); 104 | sendCmdAll(CMD_SCANLIMIT, 7); 105 | sendCmdAll(CMD_DECODEMODE, 0); 106 | sendCmdAll(CMD_INTENSITY, 1); 107 | sendCmdAll(CMD_SHUTDOWN, 0); 108 | clr(); 109 | refreshAll(); 110 | } 111 | 112 | 113 | 114 | --------------------------------------------------------------------------------