From f45d742435a389eaf9bce48a71ab8c75bcd94a25 Mon Sep 17 00:00:00 2001
From: Pavel Brychta <pavel.brychta@post.cz>
Date: Wed, 7 Aug 2019 12:01:00 +0200
Subject: [PATCH] Oprava demo prikladu. Funkcni i ve verzi core 2.4.2

---
 .../WiFiConfig_simple_test.ino                | 30 +++++++++++++++----
 1 file changed, 24 insertions(+), 6 deletions(-)

diff --git a/examples/WiFiConfig_simple_test/WiFiConfig_simple_test.ino b/examples/WiFiConfig_simple_test/WiFiConfig_simple_test.ino
index 76a9125..3150e47 100644
--- a/examples/WiFiConfig_simple_test/WiFiConfig_simple_test.ino
+++ b/examples/WiFiConfig_simple_test/WiFiConfig_simple_test.ino
@@ -4,6 +4,7 @@
 #include <EEPROM.h>
 #include <ESP8266NetBIOS.h>
 #include <WiFiConfig.h>
+#include <encipheredEEPROMStrings.h>
 
 // Plati pro desticku Witty s modulem ESP-12E
 #define PIN_FORCE_CONFIG 4
@@ -14,6 +15,19 @@
 //#define DEBUG_OUT(a) {}
 #define DEBUG_OUT(a) Serial.print(a)
 
+// Definice obsazeni EEPROM
+#define elementSize(type, element) sizeof(((type *)0)->element)
+#define countof(a) (sizeof(a) / sizeof(a[0]))
+typedef struct
+{
+  char devname[32 + 2]; // jmeno zarizeni (pro NBNS plati jen 16 znaku)
+} eepromconfig_t;
+
+#define EEPROM_SIZE (sizeof(wificonfigarea_t) + sizeof(eepromconfig_t) + 10) // velikost EEPROM oblasti (POZOR!!! zbytecnym zvetsovanim se zaroven zmensuje velikost RAM kvuli zrcadlu!!!)
+#define EEPROM_WIFICONFIG_ORIGIN (EEPROM_SIZE - sizeof(wificonfigarea_t)) // pocatek oblasti, pouzivane WiFiConfig (alokovano odzadu)
+#define EEPROM_CONFIG_ORIGIN (0)
+
+char WiFiDeviceName[elementSize(eepromconfig_t, devname)]; // misto pro jmeno zarizeni (dodane do DNS, DHCP NBNS apod...)
 ESP8266WebServer wwwserver(80); // webovy server
 String content;
 
@@ -52,23 +66,27 @@ void ICACHE_FLASH_ATTR wcb(wificonfigstate_t state)
   }
 }
 
-void saveServer(const char *param)
+void ICACHE_FLASH_ATTR saveDevname(const char *param)
 {
+  String p = param;
 
-  DEBUG_OUT(param);
+  EES_storeString(EEPROM_CONFIG_ORIGIN + offsetof(eepromconfig_t, devname), elementSize(eepromconfig_t, devname), p);
 }
 
 void ICACHE_FLASH_ATTR setup()
 {
   WiFiConfig wifi; // konfigurace ESP modulu
-  WiFiConfigUsrParameter testOnly("server", "adresa serveru", "Default server", 32, saveServer);
+  WiFiConfigUsrParameter devname("devname", "Jméno zařízení", (const char *)WiFiDeviceName, 32, saveDevname);
 
-  EEPROM.begin(512); // zahajujeme praci s EEPROM
+  EEPROM.begin(EEPROM_SIZE); // zahajujeme praci s EEPROM
   pinMode(PIN_FORCE_CONFIG, INPUT_PULLUP); // pin, co slouzi jako vstup tlacitka
   int fc = digitalRead(PIN_FORCE_CONFIG); // pozadavek na vynucene vyvolani konfigurace
   Serial.begin(9600);
-  wifi.addParameter(&testOnly);
-  if (WCR_OK != wifi.begin(0, fc, wcb)) // startujeme pripojeni
+  String dn = EES_readString(EEPROM_CONFIG_ORIGIN + offsetof(eepromconfig_t, devname), elementSize(eepromconfig_t, devname));
+  strcpy(WiFiDeviceName, dn.c_str());
+  wifi.addParameter(&devname);
+
+  if (WCR_OK != wifi.begin(EEPROM_WIFICONFIG_ORIGIN, fc, wcb)) // startujeme pripojeni
     ESP.restart();
 
   wwwserver.on("/", handleRoot);