Add cmnds Reset 4 and Reset 5

Add commands Reset 4 (reset to defaults but keep wifi params) and Reset 5 (as reset 4 and also erase flash) (#4061)

sonoff/_changelog.ino

@@ -2,6 +2,7 @@
  * Fix Color Temperature slider functionality regression from 6.2.1.5 (#4037)
  * Add auto reload of main web page to some web restarts
  * Add whitespace removal from RfRaw and SerialSend5 (#4020)
+ * Add commands Reset 4 (reset to defaults but keep wifi params) and Reset 5 (as reset 4 and also erase flash) (#4061)
  *
  * 6.2.1.14 20181010
  * Rewrite Webserver page handler for easier extension (thx to Adrian Scillato)

sonoff/settings.h

@@ -188,8 +188,8 @@ struct SYSCFG {
   byte          seriallog_level;           // 09E
   uint8_t       sta_config;                // 09F
   byte          sta_active;                // 0A0
-  char          sta_ssid[2][33];           // 0A1
+  char          sta_ssid[2][33];           // 0A1 - Keep together with sta_pwd as being copied as one chunck with reset 4/5
-  char          sta_pwd[2][65];            // 0E3
+  char          sta_pwd[2][65];            // 0E3 - Keep together with sta_ssid as being copied as one chunck with reset 4/5
   char          hostname[33];              // 165
   char          syslog_host[33];           // 186
   uint8_t       rule_stop;                 // 1A7

sonoff/sonoff.ino

@@ -1149,15 +1149,9 @@ void MqttDataHandler(char* topic, byte* data, unsigned int data_len)
         break;
       case 2:
       case 3:
-        restart_flag = 210 + payload;
-        snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("{\"" D_CMND_RESET "\":\"" D_JSON_ERASE ", " D_JSON_RESET_AND_RESTARTING "\"}"));
-        break;
       case 4:
-        restart_flag = 214;
-        snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("{\"" D_CMND_RESET "\":\"" D_JSON_ERASE ", " D_JSON_RESET_AND_RESTARTING "\"}"));
-        break;
       case 5:
-        restart_flag = 215;
+        restart_flag = 210 + payload;
         snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("{\"" D_CMND_RESET "\":\"" D_JSON_ERASE ", " D_JSON_RESET_AND_RESTARTING "\"}"));
         break;
       default:
@@ -2100,10 +2094,21 @@ void Every250mSeconds()
       }
     }
     if (restart_flag && (backlog_pointer == backlog_index)) {
-      if (213 == restart_flag) {
+      if ((214 == restart_flag) || (215 == restart_flag)) {
+        char storage[sizeof(Settings.sta_ssid) + sizeof(Settings.sta_pwd)];
+        memcpy(storage, Settings.sta_ssid, sizeof(storage));  // Backup current SSIDs and Passwords
+        if (215 == restart_flag) {
+          SettingsErase(0);  // Erase all flash from program end to end of physical flash
+        }
+        SettingsDefault();
+        memcpy(Settings.sta_ssid, storage, sizeof(storage));  // Restore current SSIDs and Passwords
+        restart_flag = 2;
+      }
+      else if (213 == restart_flag) {
         SettingsSdkErase();  // Erase flash SDK parameters
         restart_flag = 2;
-      } else if (212 == restart_flag) {
+      }
+      else if (212 == restart_flag) {
         SettingsErase(0);    // Erase all flash from program end to end of physical flash
         restart_flag = 211;
       }
@@ -2111,23 +2116,6 @@ void Every250mSeconds()
         SettingsDefault();
         restart_flag = 2;
       }
-      if ((214 == restart_flag) || (215 == restart_flag)) {
-        char tmp_sta_ssid[2][33];
-        char tmp_sta_pwd[2][65];
-        strlcpy(tmp_sta_ssid[0],Settings.sta_ssid[0],sizeof(Settings.sta_ssid[0]));
-        strlcpy(tmp_sta_pwd[0],Settings.sta_pwd[0],sizeof(Settings.sta_pwd[0]));
-        strlcpy(tmp_sta_ssid[1],Settings.sta_ssid[1],sizeof(Settings.sta_ssid[1]));
-        strlcpy(tmp_sta_pwd[1],Settings.sta_pwd[1],sizeof(Settings.sta_pwd[1]));
-        if (215 == restart_flag) {
-          SettingsErase(0);    // Erase all flash from program end to end of physical flash
-        }
-        SettingsDefault();
-        strlcpy(Settings.sta_ssid[0],tmp_sta_ssid[0],sizeof(Settings.sta_ssid[0]));
-        strlcpy(Settings.sta_pwd[0],tmp_sta_pwd[0],sizeof(Settings.sta_pwd[0]));
-        strlcpy(Settings.sta_ssid[1],tmp_sta_ssid[1],sizeof(Settings.sta_ssid[1]));
-        strlcpy(Settings.sta_pwd[1],tmp_sta_pwd[1],sizeof(Settings.sta_pwd[1]));
-        restart_flag = 2;
-      }
       SettingsSaveAll();
       restart_flag--;
       if (restart_flag <= 0) {

sonoff/sonoff_post.h

@@ -124,6 +124,7 @@ void KNX_CB_Action(message_t const &msg, void *arg);
 #define MQTT_LIBRARY_TYPE      MQTT_PUBSUBCLIENT   // Use PubSubClient library
 #undef USE_ARDUINO_OTA                        // Disable support for Arduino OTA
 #undef USE_KNX                                // Disable KNX IP Protocol Support
+#undef USE_CUSTOM                             // Disable Custom features
 #undef USE_TIMERS                             // Disable support for up to 16 timers
 #undef USE_TIMERS_WEB                         // Disable support for timer webpage
 #undef USE_SUNRISE                            // Disable support for Sunrise and sunset tools
@@ -144,6 +145,7 @@ void KNX_CB_Action(message_t const &msg, void *arg);
 #undef USE_ARILUX_RF                          // Disable support for Arilux RF remote controller
 #undef USE_SR04                               // Disable support for for HC-SR04 ultrasonic devices
 #undef USE_TM1638                             // Disable support for TM1638 switches copying Switch1 .. Switch8
+#undef USE_HX711                              // Disable support for HX711 load cell
 #undef USE_RF_FLASH                           // Disable support for flashing the EFM8BB1 chip on the Sonoff RF Bridge. C2CK must be connected to GPIO4, C2D to GPIO5 on the PCB
 #undef DEBUG_THEO                             // Disable debug code
 #undef USE_DEBUG_DRIVER                       // Disable debug code
@@ -211,6 +213,7 @@ void KNX_CB_Action(message_t const &msg, void *arg);
 #undef USE_MQTT_TLS                           // Disable TLS support won't work as the MQTTHost is not set
 #undef USE_KNX                                // Disable KNX IP Protocol Support
 //#undef USE_WEBSERVER                          // Disable Webserver
+#undef USE_CUSTOM                             // Disable Custom features
 #undef USE_DISCOVERY                          // Disable Discovery services for both MQTT and web server
 #undef USE_EMULATION                          // Disable Wemo or Hue emulation
 #undef USE_TIMERS                             // Disable support for up to 16 timers
@@ -237,6 +240,7 @@ void KNX_CB_Action(message_t const &msg, void *arg);
 #undef USE_ARILUX_RF                          // Disable support for Arilux RF remote controller
 #undef USE_SR04                               // Disable support for for HC-SR04 ultrasonic devices
 #undef USE_TM1638                             // Disable support for TM1638 switches copying Switch1 .. Switch8
+#undef USE_HX711                              // Disable support for HX711 load cell
 #undef USE_RF_FLASH                           // Disable support for flashing the EFM8BB1 chip on the Sonoff RF Bridge. C2CK must be connected to GPIO4, C2D to GPIO5 on the PCB
 #undef DEBUG_THEO                             // Disable debug code
 #undef USE_DEBUG_DRIVER                       // Disable debug code