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khoih-prog · Oct 28, 2019 · c1473c4 · c1473c4
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diff --git a/README.md b/README.md
@@ -20,7 +20,17 @@ to use SPIFFS or
 ```
 #define USE_SPIFFS    false
 ```
-to use EEPROM ( 168 bytes from address 0-167) to save your configuration data.
+to use EEPROM ( 172 bytes from address EEPROM_START ) to save your configuration data.
+EEPROM_SIZE can be specified from 256 to 4096 bytes. See examples ESP32WM_Config and ESP8266WM_Config.
+
+
+```
+// Force some params in Blynk, only valid for library version 1.0.1 and later
+#define TIMEOUT_RECONNECT_WIFI                    10000L
+#define RESET_IF_CONFIG_TIMEOUT                   true
+#define CONFIG_TIMEOUT_RETRYTIMES_BEFORE_RESET    5
+
+```
 
 Then replace
 
@@ -52,13 +62,49 @@ Anyway, this is better for projects using Blynk just for graphical user interfac
 * ESP8266 core for Arduino https://github.com/esp8266/Arduino#installing-with-boards-manager
 * Blynk library https://www.arduino.cc/en/guide/libraries#toc3
 
+## TO DO
+
+1. Same features for other boards with WiFi.
+
+## DONE
+
+1. Permit EEPROM size and location configurable to avoid conflict with others.
+2. More flexible to configure reconnection timeout.
+3. For fresh config data, don't need to wait for connecting timeout before entering config portal.
+
 ## Hello World
 Please take a look at examples, as well.
 ```
-#define BLYNK_PRINT   Serial
-#define USE_SPIFFS    true
-
-#include <BlynkSimpleEsp8266_WM.h>
+#define BLYNK_PRINT Serial
+
+// Not use #define USE_SPIFFS  => using EEPROM for configuration data in WiFiManager
+// #define USE_SPIFFS    false => using EEPROM for configuration data in WiFiManager
+// #define USE_SPIFFS    true  => using SPIFFS for configuration data in WiFiManager
+// Be sure to define USE_SPIFFS before #include <BlynkSimpleEsp8266_WM.h>
+
+//#define USE_SPIFFS                  true
+#define USE_SPIFFS                  false
+
+#if (!USE_SPIFFS)
+  // EEPROM_SIZE must be <= 4096 and >= CONFIG_DATA_SIZE (currently 172 bytes)
+  #define EEPROM_SIZE    (4 * 1024)
+  // EEPROM_START + CONFIG_DATA_SIZE must be <= EEPROM_SIZE
+  #define EEPROM_START   1024
+#endif
+
+// Force some params in Blynk, only valid for library version 1.0.1 and later
+#define TIMEOUT_RECONNECT_WIFI                    10000L
+#define RESET_IF_CONFIG_TIMEOUT                   true
+#define CONFIG_TIMEOUT_RETRYTIMES_BEFORE_RESET    5
+// Those above #define's must be placed before #include <BlynkSimpleEsp8266_WM.h>
+
+#define USE_SSL   true
+
+#if USE_SSL
+  #include <BlynkSimpleEsp8266_SSL_WM.h>
+#else
+  #include <BlynkSimpleEsp8266_WM.h>
+#endif
 
 void setup() 
 {

diff --git a/examples/ESP32WM_Config/ESP32WM_Config.ino b/examples/ESP32WM_Config/ESP32WM_Config.ino
@@ -0,0 +1,123 @@
+#define BLYNK_PRINT Serial
+
+// Not use #define USE_SPIFFS  => using EEPROM for configuration data in WiFiManager
+// #define USE_SPIFFS    false => using EEPROM for configuration data in WiFiManager
+// #define USE_SPIFFS    true  => using SPIFFS for configuration data in WiFiManager
+// Be sure to define USE_SPIFFS before #include <BlynkSimpleEsp8266_WM.h>
+
+//#define USE_SPIFFS                  true
+#define USE_SPIFFS                  false
+
+#if (!USE_SPIFFS)
+  // EEPROM_SIZE must be <= 4096 and >= CONFIG_DATA_SIZE (currently 172 bytes)
+  #define EEPROM_SIZE    (4 * 1024)
+  // EEPROM_START + CONFIG_DATA_SIZE must be <= EEPROM_SIZE
+  #define EEPROM_START   2048
+#endif
+
+// Force some params in Blynk, only valid for library version 1.0.1 and later
+#define TIMEOUT_RECONNECT_WIFI                    10000L
+#define RESET_IF_CONFIG_TIMEOUT                   true
+#define CONFIG_TIMEOUT_RETRYTIMES_BEFORE_RESET    5
+// Those above #define's must be placed before #include <BlynkSimpleEsp8266_WM.h>
+
+#define USE_SSL   false
+
+#if USE_SSL
+  #include <BlynkSimpleEsp32_SSL_WM.h>
+#else
+  #include <BlynkSimpleEsp32_WM.h>
+#endif
+
+#include <Ticker.h>
+#include <DHT.h>
+
+#define PIN_D22   22            // Pin D22 mapped to pin GPIO22/SCL of ESP32
+
+#define DHT_PIN     PIN_D22     // pin DATA @ D22 / GPIO22
+#define DHT_TYPE    DHT11
+
+DHT dht(DHT_PIN, DHT_TYPE);
+BlynkTimer timer;
+Ticker     led_ticker;
+
+void readAndSendData() 
+{
+    float temperature = dht.readTemperature();
+    float humidity    = dht.readHumidity();
+
+    if (!isnan(temperature) && !isnan(humidity)) 
+    {
+      Blynk.virtualWrite(V17, String(temperature, 1));
+      Blynk.virtualWrite(V18, String(humidity, 1));    
+    }
+    else
+    {
+      Blynk.virtualWrite(V17, "NAN");
+      Blynk.virtualWrite(V18, "NAN");
+    }
+
+    // Blynk Timer uses millis() and is still working even if WiFi/Blynk not connected
+    Serial.println("R");    
+}
+
+void set_led(byte status)
+{
+  digitalWrite(LED_BUILTIN, status);
+}
+
+void check_status()
+{
+  static unsigned long checkstatus_timeout = 0;
+
+#define STATUS_CHECK_INTERVAL     15000L
+
+  // Send status report every STATUS_REPORT_INTERVAL (10) seconds: we don't need to send updates frequently if there is no status change.
+  if ((millis() > checkstatus_timeout) || (checkstatus_timeout == 0))
+  {
+    // report status to Blynk
+    if (Blynk.connected())
+    {
+      set_led(LOW);
+      led_ticker.once_ms(111, set_led, (byte) HIGH);
+
+      Serial.println("B");
+    }
+    else
+    {
+      Serial.println("F");
+    }
+
+    checkstatus_timeout = millis() + STATUS_CHECK_INTERVAL;
+  }
+}
+
+void setup() 
+{
+    // Debug console
+    Serial.begin(115200);
+    pinMode(LED_BUILTIN, OUTPUT);
+
+    Serial.println("\nStarting ...");
+
+    dht.begin();
+    Blynk.begin();
+    timer.setInterval(60 * 1000, readAndSendData);
+
+    if (Blynk.connected())
+    {
+       #if USE_SPIFFS     
+        Serial.println("\nBlynk ESP32 using SPIFFS connected. Board Name : " + Blynk.getBoardName());
+      #else
+        Serial.println("\nBlynk ESP32 using EEPROM connected. Board Name : " + Blynk.getBoardName());
+        Serial.printf("EEPROM size = %d bytes, EEPROM start address = %d / 0x%X\n", EEPROM_SIZE, EEPROM_START, EEPROM_START);      
+      #endif  
+    }
+}
+
+void loop() 
+{
+    Blynk.run();
+    timer.run();
+    check_status();
+}
diff --git a/examples/ESP8266WM_Config/ESP8266WM_Config.ino b/examples/ESP8266WM_Config/ESP8266WM_Config.ino
@@ -0,0 +1,129 @@
+#define BLYNK_PRINT Serial
+
+// Not use #define USE_SPIFFS  => using EEPROM for configuration data in WiFiManager
+// #define USE_SPIFFS    false => using EEPROM for configuration data in WiFiManager
+// #define USE_SPIFFS    true  => using SPIFFS for configuration data in WiFiManager
+// Be sure to define USE_SPIFFS before #include <BlynkSimpleEsp8266_WM.h>
+
+//#define USE_SPIFFS                  true
+#define USE_SPIFFS                  false
+
+#if (!USE_SPIFFS)
+  // EEPROM_SIZE must be <= 4096 and >= CONFIG_DATA_SIZE (currently 172 bytes)
+  #define EEPROM_SIZE    (4 * 1024)
+  // EEPROM_START + CONFIG_DATA_SIZE must be <= EEPROM_SIZE
+  #define EEPROM_START   1024
+#endif
+
+// Force some params in Blynk, only valid for library version 1.0.1 and later
+#define TIMEOUT_RECONNECT_WIFI                    10000L
+#define RESET_IF_CONFIG_TIMEOUT                   true
+#define CONFIG_TIMEOUT_RETRYTIMES_BEFORE_RESET    5
+// Those above #define's must be placed before #include <BlynkSimpleEsp8266_WM.h>
+
+#define USE_SSL   true
+
+#if USE_SSL
+  #include <BlynkSimpleEsp8266_SSL_WM.h>
+#else
+  #include <BlynkSimpleEsp8266_WM.h>
+#endif
+
+#include <Ticker.h>
+#include <DHT.h>
+
+#define PIN_LED   2   // Pin D4 mapped to pin GPIO2/TXD1 of ESP8266, NodeMCU and WeMoS, control on-board LED
+#define PIN_D2    4   // Pin D2 mapped to pin GPIO4 of ESP8266
+
+#define DHT_PIN     PIN_D2
+#define DHT_TYPE    DHT11
+
+DHT dht(DHT_PIN, DHT_TYPE);
+BlynkTimer timer;
+Ticker     led_ticker;
+
+void readAndSendData() 
+{
+    float temperature = dht.readTemperature();
+    float humidity    = dht.readHumidity();
+
+    if (Blynk.connected())
+    {
+      if (!isnan(temperature) && !isnan(humidity)) 
+      {
+        Blynk.virtualWrite(V17, String(temperature, 1));
+        Blynk.virtualWrite(V18, String(humidity, 1));
+      }
+      else
+      {
+        Blynk.virtualWrite(V17, "NAN");
+        Blynk.virtualWrite(V18, "NAN");
+      }
+    }
+
+    // Blynk Timer uses millis() and is still working even if WiFi/Blynk not connected
+    Serial.println("R");
+}
+
+void set_led(byte status)
+{
+  digitalWrite(PIN_LED, status);
+}
+
+void check_status()
+{
+  static unsigned long checkstatus_timeout = 0;
+
+#define STATUS_CHECK_INTERVAL     15000L
+
+  // Send status report every STATUS_REPORT_INTERVAL (10) seconds: we don't need to send updates frequently if there is no status change.
+  if ((millis() > checkstatus_timeout) || (checkstatus_timeout == 0))
+  {
+    // report status to Blynk
+    if (Blynk.connected())
+    {
+      set_led(LOW);
+      led_ticker.once_ms(111, set_led, (byte) HIGH);
+
+      Serial.println("B");
+    }
+    else
+    {
+      Serial.println("F");
+    }
+
+    checkstatus_timeout = millis() + STATUS_CHECK_INTERVAL;
+  }
+}
+
+void setup() 
+{
+    // Debug console
+    Serial.begin(115200);
+    pinMode(PIN_LED, OUTPUT);
+
+    Serial.println("\nStarting ...");
+
+    dht.begin();
+    Blynk.begin();
+    timer.setInterval(60 * 1000, readAndSendData);
+
+    if (Blynk.connected())
+    {
+       #if USE_SPIFFS     
+        Serial.println("\nBlynk ESP8288 using SPIFFS connected. Board Name : " + Blynk.getBoardName());
+      #else
+      {
+        Serial.println("\nBlynk ESP8288 using EEPROM connected. Board Name : " + Blynk.getBoardName());
+        Serial.printf("EEPROM size = %d bytes, EEPROM start address = %d / 0x%X\n", EEPROM_SIZE, EEPROM_START, EEPROM_START);
+      }
+      #endif  
+    }    
+}
+
+void loop() 
+{
+    Blynk.run();
+    timer.run();
+    check_status();    
+}