From f1139a83b75b64cbc76ee8bf4c95061315e9cfd7 Mon Sep 17 00:00:00 2001 From: BuildTools Date: Sat, 21 Jan 2017 15:53:27 +0000 Subject: [PATCH] New code version which impliments a Wiegand card reader instead --- door_wiegand.ino | 424 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 424 insertions(+) create mode 100644 door_wiegand.ino diff --git a/door_wiegand.ino b/door_wiegand.ino new file mode 100644 index 0000000..7843d0e --- /dev/null +++ b/door_wiegand.ino @@ -0,0 +1,424 @@ +#include +#include +#include +#include +#include +#include +#include +#include + +// MOSFET for door lock activation +// ON/HIGH == ground the output screw terminal +#define MOSFET 16 + +// Pin for LED / WS2812 +#define STATUSLED 2 + +// Wiegand keyfob reader pins +#define WD0 12 +#define WD1 13 + +// Door lock sense pin +#define SENSE 14 + +// emergency release switch +#define ERELEASE 15 + +// Buzzer/LED on keyfob control +#define BUZZER 4 // Gnd to beep +#define DOORLED 5 // low = green, otherwise red + +// orientation of some signals +#define DLED_GREEN LOW +#define DLED_RED HIGH +#define LOCK_OPEN HIGH +#define LOCK_CLOSE LOW +#define BUZZ_ON LOW +#define BUZZ_OFF HIGH + + + +/*********************** + * Configuration parameters + */ +// AP that it will apoear as for configuration +#define MANAGER_AP "DoorLock" + +// Credentials required to reset or upload new info +#define www_username "admin" +#define www_password "wibble" + +// files to store card/fob data in +#define CARD_TMPFILE "/cards.tmp" +#define CARD_FILE "/cards.dat" + +// how long to hold the latch open in millis +#define LATCH_HOLD 5000 + +/*************************** + * code below + */ +WIEGAND wg; +ESP8266WebServer server(80); + + +int fileSize(const char *filename) +{ + int ret = -1; + File file = SPIFFS.open(filename, "r"); + if (file) { + ret = file.size(); + file.close(); + } + return ret; +} + +void handleRoot() +{ + char mtime[16]; + int sec = millis() / 1000; + int mi = sec / 60; + int hr = mi / 60; + int day = hr / 24; + + snprintf(mtime, 16, "%dd %02d:%02d:%02d", day, hr % 24, mi % 60, sec % 60); + + String out = "\ + \ + Door Lock\ + \ + \ + \ +

Door Lock!

\ +

Uptime: " + (String)mtime + "

"; + + if (SPIFFS.exists(CARD_FILE)) { + + out += "

Cardfile: " + String(CARD_FILE) + " is " + fileSize(CARD_FILE) + " bytes"; + int count = sanityCheck(CARD_FILE); + if (count <= 0) { + out += ", in an invalid file"; + } else { + out += ", contains " + String(count) + " keyfob IDs"; + out += " - Download"; + } + + out += ".

"; + } + + out += "

Reset Configuration\ +
Upload Cardlist"; + + FSInfo fs_info; + if (SPIFFS.info(fs_info)) { + out += "
Format SPIFFS - Size:"+String(fs_info.totalBytes)+" Used:"+String(fs_info.usedBytes); + } + + out += "
Lock is currently "; + if (digitalRead(SENSE) == HIGH) out += "LOCKED"; else out += "OPEN"; + + out += "

\ + \ +"; + + server.send( 200, "text/html", out); +} + +void handleDownload() +{ + if (!server.authenticate(www_username, www_password)) + return server.requestAuthentication(); + + if (!SPIFFS.exists(CARD_FILE)) { + server.send(404, "text/plain", "Card file not found"); + return; + } + + File f = SPIFFS.open(CARD_FILE, "r"); + server.streamFile(f, "text/csv"); + f.close(); +} + +void handleNotFound() { + String out = "File Not found\n\n"; + server.send(404, "text/plain", out); +} + +// User wants to reset config +void handleReset() { + if (!server.authenticate(www_username, www_password)) + return server.requestAuthentication(); + + server.send(200, "text/plain", "Rebooting to config manager...\n\n"); + + WiFiManager wfm; + wfm.resetSettings(); + WiFi.disconnect(); + ESP.reset(); + delay(5000); +} + +void handleUploadRequest() { + String out = "Upload Keyfob list\ +"; + server.send(200, "text/html", out); +} + +File uploadFile; + +String upload_error; +int upload_code = 200; + +void handleFileUpload() +{ + if (server.uri() != "/upload") return; + + if (!server.authenticate(www_username, www_password)) + return server.requestAuthentication(); + + HTTPUpload& upload = server.upload(); + if (upload.status == UPLOAD_FILE_START) { + upload_error = ""; + upload_code = 200; + uploadFile = SPIFFS.open(CARD_TMPFILE, "w"); + if (!uploadFile) { + upload_error = "error opening file"; + Serial.println("Opening tmpfile failed!"); + upload_code = 403; + } + }else + if (upload.status == UPLOAD_FILE_WRITE) { + if (uploadFile) { + if (uploadFile.write(upload.buf, upload.currentSize) != upload.currentSize) { + upload_error = "write error"; + upload_code = 409; + } + } + }else + if (upload.status == UPLOAD_FILE_END) { + if (uploadFile) { + uploadFile.close(); + } + } +} + +void handleUploadComplete() +{ + String out = "Upload finished."; + if (upload_code != 200) { + out += "Error: "+upload_error; + } else { + out += " Success"; + // upload with no errors, replace old one + SPIFFS.remove(CARD_FILE); + SPIFFS.rename(CARD_TMPFILE, CARD_FILE); + } + server.send(upload_code, "text/plain", out); +} + + +void returnOK() { + server.send(200, "text/plain", ""); +} + + +static InputDebounce release_button; + +void setup() { + // some serial, for debug + Serial.begin(115200); + + // The lock mechanism, set HIGH to turn on and connect ground to output pin + pinMode(MOSFET, OUTPUT); + digitalWrite(MOSFET, LOCK_CLOSE); + + // lock sense microswitch + pinMode(SENSE, INPUT_PULLUP); + + // emergency door release switch + pinMode(ERELEASE, INPUT); + + // indicators on the keyfob reader + pinMode(BUZZER, OUTPUT); + pinMode(DOORLED, OUTPUT); + digitalWrite(BUZZER, BUZZ_OFF); + digitalWrite(DOORLED, DLED_RED); + + Serial.println("DoorLock. Testing WiFi config..."); + + // if we have no config, enter config mode + WiFiManager wfm; + wfm.autoConnect(MANAGER_AP); + + // we have config, enable web server + server.on( "/", handleRoot ); + server.on( "/reset", handleReset ); + server.onFileUpload( handleFileUpload); + server.on( "/upload", HTTP_GET, handleUploadRequest); + server.on( "/upload", HTTP_POST, handleUploadComplete); + server.on( "/download", handleDownload ); + server.onNotFound( handleNotFound ); + server.begin(); + + // advertise we exist via MDNS + if (!MDNS.begin("doorlock")) { + Serial.println("Error setting up MDNS responder."); + } else { + MDNS.addService("http", "tcp", 80); + } + + // enable internal flash filesystem + SPIFFS.begin(); + + // init wiegand keyfob reader + Serial.println("Starting Wiegand test reader"); + wg.begin(WD0, WD0, WD1, WD1); + + // setup button debounce for the release switch + release_button.setup(ERELEASE, 20, InputDebounce::PIM_EXT_PULL_DOWN_RES); +} + +unsigned long locktime = 0; + + +void unlock_door() +{ + digitalWrite(DOORLED, DLED_GREEN); + digitalWrite(MOSFET, LOCK_OPEN); + if (locktime == 0) { + digitalWrite(BUZZER, BUZZ_ON); + delay(100); + digitalWrite(BUZZER, BUZZ_OFF); + delay(50); + digitalWrite(BUZZER, BUZZ_ON); + delay(100); + digitalWrite(BUZZER, BUZZ_OFF); + } + locktime = millis(); +} + +int sanityCheck(const char * filename) +{ + int count = 0; + + File f = SPIFFS.open(filename, "r"); + if (!f) { + Serial.print("Sanity Check: Could not open "); + Serial.println(filename); + return -1; + } + while (f.available()) { + char c = f.peek(); + // skip comment lines + if (c == '#') { + f.find("\n"); + continue; + } + + String wcode = f.readStringUntil(','); + String wname = f.readStringUntil('\n'); + unsigned int newcode = wcode.toInt(); + + if (newcode != 0) count++; + } + f.close(); + + return count; +} + +String findKeyfob(unsigned int code) +{ + File f = SPIFFS.open(CARD_FILE, "r"); + if (!f) { + Serial.println("Error opening card file " CARD_FILE); + return ""; + } + + String answer = ""; + while (f.available()) { + char c = f.peek(); + // skip comment lines + if (c == '#') { + f.find("\n"); + continue; + } + + String wcode = f.readStringUntil(','); + String wname = f.readStringUntil('\n'); + + unsigned int newcode = wcode.toInt(); + +/* debug + Serial.print("Line: code='"); + Serial.print(wcode); + Serial.print("' ("); + Serial.print(newcode); + Serial.print(") name='"); + Serial.print(wname); + Serial.print("'"); +*/ + if (code == newcode) { + // Serial.println(" - FOUND IT"); + answer = wname; + break; + } + //Serial.println(); + } + f.close(); + return answer; +} + +void loop() { + unsigned long now = millis(); + + // is the latch held open ? + if (locktime != 0) { + if (locktime + LATCH_HOLD < now) { + locktime = 0; + digitalWrite(MOSFET, LOCK_CLOSE); + digitalWrite(DOORLED, DLED_RED); + } + } + // handle web requests + server.handleClient(); + + unsigned int ertime = release_button.process(now); + unsigned int count = release_button.getStateOnCount(); + static unsigned last_count = 0; + if (ertime > 0) { + if (count != last_count) { + last_count = count; + Serial.println("Door Release button triggered."); + unlock_door(); + } else { + // buttons is still pressed, do nothing + } + } + + // handle card swipes + if (wg.available()) { + unsigned long code = wg.getCode(); + + Serial.print("wiegand HEX = "); + Serial.print(code,HEX); + Serial.print(", DECIMAL= "); + Serial.print(code); + Serial.print(", TYPE W"); + Serial.println(wg.getWiegandType()); + + String who = findKeyfob(code); + if (who != NULL) { + Serial.print("Unlocking door for "); + Serial.println(who); + unlock_door(); + } + } + +} -- 1.8.3.1