node: Add reset option for seed

- Reset the value in EEPROM Memory through(/reset)
amfoss · Jan 23, 2020 · 3f92c4e · 3f92c4e
1 parent b272b55
commit 3f92c4e
Showing 1 changed file with 53 additions and 9 deletions.
diff --git a/node/node.ino b/node/node.ino
@@ -3,21 +3,40 @@
 #include <ESP8266WebServer.h>
 #include <time.h>
 #include <Ticker.h>
+#include <EEPROM.h>
+
+#define ull unsigned long long
 
 Ticker blinker;
+ESP8266WebServer server(80);
 
-const char* password = "";
+const char* password
 char ssid[100];
-unsigned long long a, c, m, seed;
-void change_seed(){
-  seed = (seed%m) * (a%m);
-  seed = seed%m;
+ull a, c, m, addr;
+
+ull change_seed(ull seed) {
+  seed = (seed % m) * (a % m);
+  seed = seed % m;
   seed += c;
   seed %= m;
+  return seed;
+}
+
+ull get_seed() {
+  ull seed;
+  EEPROM.get(addr, seed);
+  return seed;
+}
+
+void write_seed(ull seed){
+  EEPROM.put(addr, seed);
+  EEPROM.commit();
 }
 
-void changeWifi(){
-  change_seed();
+void changeWifi() {
+  ull seed = get_seed();
+  seed = change_seed(seed);
+  write_seed(seed);  
   sprintf(ssid, "amFOSS_%d", seed);
   WiFi.softAP(ssid, password);
   Serial.println(ssid);
@@ -26,13 +45,38 @@ void changeWifi(){
 void setup() {
   delay(1000);
   Serial.begin(115200);
-  Serial.print("Initial Setup");
-  change_seed();
+  EEPROM.begin(512);
+  Serial.println("Initial Setup");
+  ull seed = get_seed();
   sprintf(ssid, "amFOSS_%d", seed);
   WiFi.softAP(ssid, password);
   Serial.println(ssid);
+  Serial.println(WiFi.softAPIP());
+  server.on("/reset", HTTP_GET, reset_EEPROM);
+  server.begin();
+  blinker.attach(300, changeWifi);
+}
+
+void reset_EEPROM(){
+  Serial.println("RESETTING");
+  blinker.detach();
+  EEPROM.put(addr, 1000);
+  String response = "<!DOCTYPE html>\n";
+  response += "<html>\n";
+  response += "<head>\n";
+  response += "<title>Wifi Control Page</title>\n";
+  response += "</head>\n";
+  response += "<body>\n";
+  response += "<h1>Node Status</h1>\n";
+  response += "<p>EEPROM seed set to 1000</p>\n";
+  response += "</body>\n";
+  response += "</html>\n";
+  server.send(200, "text/html", response);
+  delay(1000);
+  changeWifi();
   blinker.attach(300, changeWifi);
 }
 
 void loop() {
+  server.handleClient();
 }