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f1139a83 B |
1 | #include <InputDebounce.h> |
2 | #include <Wiegand.h> | |
3 | #include <ESP8266WiFi.h> | |
4 | #include <DNSServer.h> | |
5 | #include <ESP8266WebServer.h> | |
6 | #include <WiFiManager.h> | |
7 | #include <ESP8266mDNS.h> | |
8 | #include <FS.h> | |
9 | ||
10 | // MOSFET for door lock activation | |
11 | // ON/HIGH == ground the output screw terminal | |
12 | #define MOSFET 16 | |
13 | ||
14 | // Pin for LED / WS2812 | |
15 | #define STATUSLED 2 | |
16 | ||
17 | // Wiegand keyfob reader pins | |
18 | #define WD0 12 | |
19 | #define WD1 13 | |
20 | ||
21 | // Door lock sense pin | |
22 | #define SENSE 14 | |
23 | ||
24 | // emergency release switch | |
25 | #define ERELEASE 15 | |
26 | ||
27 | // Buzzer/LED on keyfob control | |
28 | #define BUZZER 4 // Gnd to beep | |
29 | #define DOORLED 5 // low = green, otherwise red | |
30 | ||
31 | // orientation of some signals | |
32 | #define DLED_GREEN LOW | |
33 | #define DLED_RED HIGH | |
34 | #define LOCK_OPEN HIGH | |
35 | #define LOCK_CLOSE LOW | |
36 | #define BUZZ_ON LOW | |
37 | #define BUZZ_OFF HIGH | |
38 | ||
39 | ||
40 | ||
41 | /*********************** | |
42 | * Configuration parameters | |
43 | */ | |
44 | // AP that it will apoear as for configuration | |
45 | #define MANAGER_AP "DoorLock" | |
46 | ||
47 | // Credentials required to reset or upload new info | |
48 | #define www_username "admin" | |
49 | #define www_password "wibble" | |
50 | ||
51 | // files to store card/fob data in | |
52 | #define CARD_TMPFILE "/cards.tmp" | |
53 | #define CARD_FILE "/cards.dat" | |
54 | ||
55 | // how long to hold the latch open in millis | |
56 | #define LATCH_HOLD 5000 | |
57 | ||
58 | /*************************** | |
59 | * code below | |
60 | */ | |
61 | WIEGAND wg; | |
62 | ESP8266WebServer server(80); | |
63 | ||
64 | ||
65 | int fileSize(const char *filename) | |
66 | { | |
67 | int ret = -1; | |
68 | File file = SPIFFS.open(filename, "r"); | |
69 | if (file) { | |
70 | ret = file.size(); | |
71 | file.close(); | |
72 | } | |
73 | return ret; | |
74 | } | |
75 | ||
76 | void handleRoot() | |
77 | { | |
78 | char mtime[16]; | |
79 | int sec = millis() / 1000; | |
80 | int mi = sec / 60; | |
81 | int hr = mi / 60; | |
82 | int day = hr / 24; | |
83 | ||
84 | snprintf(mtime, 16, "%dd %02d:%02d:%02d", day, hr % 24, mi % 60, sec % 60); | |
85 | ||
86 | String out = "<html>\ | |
87 | <head>\ | |
88 | <title>Door Lock</title>\ | |
89 | <style>\ | |
90 | body { background-color: #cccccc; font-family: Arial, Helvetica, Sans-Serif; }\ | |
91 | </style>\ | |
92 | </head>\ | |
93 | <body>\ | |
94 | <h1>Door Lock!</h1>\ | |
95 | <p>Uptime: " + (String)mtime + "</p>"; | |
96 | ||
97 | if (SPIFFS.exists(CARD_FILE)) { | |
98 | ||
99 | out += "<p>Cardfile: " + String(CARD_FILE) + " is " + fileSize(CARD_FILE) + " bytes"; | |
100 | int count = sanityCheck(CARD_FILE); | |
101 | if (count <= 0) { | |
102 | out += ", in an invalid file"; | |
103 | } else { | |
104 | out += ", contains " + String(count) + " keyfob IDs"; | |
105 | out += " - <a href=\"/download\">Download</a>"; | |
106 | } | |
107 | ||
108 | out += ".</p>"; | |
109 | } | |
110 | ||
111 | out += "<ul>\ | |
112 | <li><a href=\"/reset\">Reset Configuration</a>\ | |
113 | <li><a href=\"/upload\">Upload Cardlist</a>"; | |
114 | ||
115 | FSInfo fs_info; | |
116 | if (SPIFFS.info(fs_info)) { | |
117 | out += "<li><a href=\"/format\">Format SPIFFS</a> - Size:"+String(fs_info.totalBytes)+" Used:"+String(fs_info.usedBytes); | |
118 | } | |
119 | ||
120 | out += "<li>Lock is currently "; | |
121 | if (digitalRead(SENSE) == HIGH) out += "LOCKED"; else out += "OPEN"; | |
122 | ||
123 | out += "</ul>\ | |
124 | </body>\ | |
125 | </html>"; | |
126 | ||
127 | server.send( 200, "text/html", out); | |
128 | } | |
129 | ||
130 | void handleDownload() | |
131 | { | |
132 | if (!server.authenticate(www_username, www_password)) | |
133 | return server.requestAuthentication(); | |
134 | ||
135 | if (!SPIFFS.exists(CARD_FILE)) { | |
136 | server.send(404, "text/plain", "Card file not found"); | |
137 | return; | |
138 | } | |
139 | ||
140 | File f = SPIFFS.open(CARD_FILE, "r"); | |
141 | server.streamFile(f, "text/csv"); | |
142 | f.close(); | |
143 | } | |
144 | ||
145 | void handleNotFound() { | |
146 | String out = "File Not found\n\n"; | |
147 | server.send(404, "text/plain", out); | |
148 | } | |
149 | ||
150 | // User wants to reset config | |
151 | void handleReset() { | |
152 | if (!server.authenticate(www_username, www_password)) | |
153 | return server.requestAuthentication(); | |
154 | ||
155 | server.send(200, "text/plain", "Rebooting to config manager...\n\n"); | |
156 | ||
157 | WiFiManager wfm; | |
158 | wfm.resetSettings(); | |
159 | WiFi.disconnect(); | |
160 | ESP.reset(); | |
161 | delay(5000); | |
162 | } | |
163 | ||
164 | void handleUploadRequest() { | |
165 | String out = "<html><head><title>Upload Keyfob list</title></head><body>\ | |
166 | <form enctype=\"multipart/form-data\" action=\"/upload\" method=\"POST\">\ | |
167 | <input type=\"hidden\" name=\"MAX_FILE_SIZE\" value=\"32000\" />\ | |
168 | Select file to upload: <input name=\"file\" type=\"file\" />\ | |
169 | <input type=\"submit\" value=\"Upload file\" />\ | |
170 | </form></body></html>"; | |
171 | server.send(200, "text/html", out); | |
172 | } | |
173 | ||
174 | File uploadFile; | |
175 | ||
176 | String upload_error; | |
177 | int upload_code = 200; | |
178 | ||
179 | void handleFileUpload() | |
180 | { | |
181 | if (server.uri() != "/upload") return; | |
182 | ||
183 | if (!server.authenticate(www_username, www_password)) | |
184 | return server.requestAuthentication(); | |
185 | ||
186 | HTTPUpload& upload = server.upload(); | |
187 | if (upload.status == UPLOAD_FILE_START) { | |
188 | upload_error = ""; | |
189 | upload_code = 200; | |
190 | uploadFile = SPIFFS.open(CARD_TMPFILE, "w"); | |
191 | if (!uploadFile) { | |
192 | upload_error = "error opening file"; | |
193 | Serial.println("Opening tmpfile failed!"); | |
194 | upload_code = 403; | |
195 | } | |
196 | }else | |
197 | if (upload.status == UPLOAD_FILE_WRITE) { | |
198 | if (uploadFile) { | |
199 | if (uploadFile.write(upload.buf, upload.currentSize) != upload.currentSize) { | |
200 | upload_error = "write error"; | |
201 | upload_code = 409; | |
202 | } | |
203 | } | |
204 | }else | |
205 | if (upload.status == UPLOAD_FILE_END) { | |
206 | if (uploadFile) { | |
207 | uploadFile.close(); | |
208 | } | |
209 | } | |
210 | } | |
211 | ||
212 | void handleUploadComplete() | |
213 | { | |
214 | String out = "Upload finished."; | |
215 | if (upload_code != 200) { | |
216 | out += "Error: "+upload_error; | |
217 | } else { | |
218 | out += " Success"; | |
219 | // upload with no errors, replace old one | |
220 | SPIFFS.remove(CARD_FILE); | |
221 | SPIFFS.rename(CARD_TMPFILE, CARD_FILE); | |
222 | } | |
223 | server.send(upload_code, "text/plain", out); | |
224 | } | |
225 | ||
226 | ||
227 | void returnOK() { | |
228 | server.send(200, "text/plain", ""); | |
229 | } | |
230 | ||
231 | ||
232 | static InputDebounce release_button; | |
233 | ||
234 | void setup() { | |
235 | // some serial, for debug | |
236 | Serial.begin(115200); | |
237 | ||
238 | // The lock mechanism, set HIGH to turn on and connect ground to output pin | |
239 | pinMode(MOSFET, OUTPUT); | |
240 | digitalWrite(MOSFET, LOCK_CLOSE); | |
241 | ||
242 | // lock sense microswitch | |
243 | pinMode(SENSE, INPUT_PULLUP); | |
244 | ||
245 | // emergency door release switch | |
246 | pinMode(ERELEASE, INPUT); | |
247 | ||
248 | // indicators on the keyfob reader | |
249 | pinMode(BUZZER, OUTPUT); | |
250 | pinMode(DOORLED, OUTPUT); | |
251 | digitalWrite(BUZZER, BUZZ_OFF); | |
252 | digitalWrite(DOORLED, DLED_RED); | |
253 | ||
254 | Serial.println("DoorLock. Testing WiFi config..."); | |
255 | ||
256 | // if we have no config, enter config mode | |
257 | WiFiManager wfm; | |
258 | wfm.autoConnect(MANAGER_AP); | |
259 | ||
260 | // we have config, enable web server | |
261 | server.on( "/", handleRoot ); | |
262 | server.on( "/reset", handleReset ); | |
263 | server.onFileUpload( handleFileUpload); | |
264 | server.on( "/upload", HTTP_GET, handleUploadRequest); | |
265 | server.on( "/upload", HTTP_POST, handleUploadComplete); | |
266 | server.on( "/download", handleDownload ); | |
267 | server.onNotFound( handleNotFound ); | |
268 | server.begin(); | |
269 | ||
270 | // advertise we exist via MDNS | |
271 | if (!MDNS.begin("doorlock")) { | |
272 | Serial.println("Error setting up MDNS responder."); | |
273 | } else { | |
274 | MDNS.addService("http", "tcp", 80); | |
275 | } | |
276 | ||
277 | // enable internal flash filesystem | |
278 | SPIFFS.begin(); | |
279 | ||
280 | // init wiegand keyfob reader | |
281 | Serial.println("Starting Wiegand test reader"); | |
282 | wg.begin(WD0, WD0, WD1, WD1); | |
283 | ||
284 | // setup button debounce for the release switch | |
285 | release_button.setup(ERELEASE, 20, InputDebounce::PIM_EXT_PULL_DOWN_RES); | |
286 | } | |
287 | ||
288 | unsigned long locktime = 0; | |
289 | ||
290 | ||
291 | void unlock_door() | |
292 | { | |
293 | digitalWrite(DOORLED, DLED_GREEN); | |
294 | digitalWrite(MOSFET, LOCK_OPEN); | |
295 | if (locktime == 0) { | |
296 | digitalWrite(BUZZER, BUZZ_ON); | |
297 | delay(100); | |
298 | digitalWrite(BUZZER, BUZZ_OFF); | |
299 | delay(50); | |
300 | digitalWrite(BUZZER, BUZZ_ON); | |
301 | delay(100); | |
302 | digitalWrite(BUZZER, BUZZ_OFF); | |
303 | } | |
304 | locktime = millis(); | |
305 | } | |
306 | ||
307 | int sanityCheck(const char * filename) | |
308 | { | |
309 | int count = 0; | |
310 | ||
311 | File f = SPIFFS.open(filename, "r"); | |
312 | if (!f) { | |
313 | Serial.print("Sanity Check: Could not open "); | |
314 | Serial.println(filename); | |
315 | return -1; | |
316 | } | |
317 | while (f.available()) { | |
318 | char c = f.peek(); | |
319 | // skip comment lines | |
320 | if (c == '#') { | |
321 | f.find("\n"); | |
322 | continue; | |
323 | } | |
324 | ||
325 | String wcode = f.readStringUntil(','); | |
326 | String wname = f.readStringUntil('\n'); | |
327 | unsigned int newcode = wcode.toInt(); | |
328 | ||
329 | if (newcode != 0) count++; | |
330 | } | |
331 | f.close(); | |
332 | ||
333 | return count; | |
334 | } | |
335 | ||
336 | String findKeyfob(unsigned int code) | |
337 | { | |
338 | File f = SPIFFS.open(CARD_FILE, "r"); | |
339 | if (!f) { | |
340 | Serial.println("Error opening card file " CARD_FILE); | |
341 | return ""; | |
342 | } | |
343 | ||
344 | String answer = ""; | |
345 | while (f.available()) { | |
346 | char c = f.peek(); | |
347 | // skip comment lines | |
348 | if (c == '#') { | |
349 | f.find("\n"); | |
350 | continue; | |
351 | } | |
352 | ||
353 | String wcode = f.readStringUntil(','); | |
354 | String wname = f.readStringUntil('\n'); | |
355 | ||
356 | unsigned int newcode = wcode.toInt(); | |
357 | ||
358 | /* debug | |
359 | Serial.print("Line: code='"); | |
360 | Serial.print(wcode); | |
361 | Serial.print("' ("); | |
362 | Serial.print(newcode); | |
363 | Serial.print(") name='"); | |
364 | Serial.print(wname); | |
365 | Serial.print("'"); | |
366 | */ | |
367 | if (code == newcode) { | |
368 | // Serial.println(" - FOUND IT"); | |
369 | answer = wname; | |
370 | break; | |
371 | } | |
372 | //Serial.println(); | |
373 | } | |
374 | f.close(); | |
375 | return answer; | |
376 | } | |
377 | ||
378 | void loop() { | |
379 | unsigned long now = millis(); | |
380 | ||
381 | // is the latch held open ? | |
382 | if (locktime != 0) { | |
383 | if (locktime + LATCH_HOLD < now) { | |
384 | locktime = 0; | |
385 | digitalWrite(MOSFET, LOCK_CLOSE); | |
386 | digitalWrite(DOORLED, DLED_RED); | |
387 | } | |
388 | } | |
389 | // handle web requests | |
390 | server.handleClient(); | |
391 | ||
392 | unsigned int ertime = release_button.process(now); | |
393 | unsigned int count = release_button.getStateOnCount(); | |
394 | static unsigned last_count = 0; | |
395 | if (ertime > 0) { | |
396 | if (count != last_count) { | |
397 | last_count = count; | |
398 | Serial.println("Door Release button triggered."); | |
399 | unlock_door(); | |
400 | } else { | |
401 | // buttons is still pressed, do nothing | |
402 | } | |
403 | } | |
404 | ||
405 | // handle card swipes | |
406 | if (wg.available()) { | |
407 | unsigned long code = wg.getCode(); | |
408 | ||
409 | Serial.print("wiegand HEX = "); | |
410 | Serial.print(code,HEX); | |
411 | Serial.print(", DECIMAL= "); | |
412 | Serial.print(code); | |
413 | Serial.print(", TYPE W"); | |
414 | Serial.println(wg.getWiegandType()); | |
415 | ||
416 | String who = findKeyfob(code); | |
417 | if (who != NULL) { | |
418 | Serial.print("Unlocking door for "); | |
419 | Serial.println(who); | |
420 | unlock_door(); | |
421 | } | |
422 | } | |
423 | ||
424 | } |