Features/increased temp safety menu (#49)

* Added max temp menu item

* Added max temp menu item

SmartEVSE-3/README.md

@@ -1,3 +1,8 @@
 Building filesystem:
 Execute in a PlatformIO terminal (see menu bar bottom screen)
-pio run -t buildfs 
+pio run -t buildfs 
+
+
+Create Release:
+git tag v1.m.p-serkri-v3
+git push --tags

SmartEVSE-3/data/index.html

@@ -64,7 +64,8 @@
             $('#mode').text(data.mode);
             $('#car_connected').text(data.car_connected == "true" ? "Yes" : "No");
             $('#state').text(data.evse.state);
-            $('#temp').text(data.evse.temp + " °C");
+            $('#temp').text(data.evse.temp + " °C / " + data.evse.temp_max + " °C");
+            $('#temp_max').text(data.evse.temp_max + " °C");
             if(data.evse.error != "None") {
               $('#error').text(data.evse.error);
               $('[id=with_errors]').show();

SmartEVSE-3/include/evse.h

@@ -128,6 +128,7 @@
 #define WIFI_MODE 0
 #define AP_PASSWORD "00000000"
 #define USE_3PHASES 0
+#define MAX_TEMPERATURE 65
 
 
 // Mode settings
@@ -273,7 +274,8 @@
 #define MENU_EMCUSTOM_READMAX 36                                                // 0x0218: Maximum register read (ToDo)
 #define MENU_WIFI 37                                                            // 0x0219: WiFi mode
 #define MENU_3F 38
-#define MENU_EXIT 39
+#define MENU_MAX_TEMP 39
+#define MENU_EXIT 40
 
 #define MENU_STATE 50
 
@@ -453,6 +455,7 @@ const struct {
     {"EMREAD", "READ MAX","Max register read at once of custom electric meter", 3, 255, 3},
     {"WIFI",   "WIFI",    "Connect to WiFi access point",                       0, 2, WIFI_MODE},
     {"EV3P",   "3 PHASE",  "Can EV use 3 phases",                               0, 1, USE_3PHASES},
+    {"MXTMP",  "MAX TEMP",  "Maximum temperature for the EVSE module",          40, 75, MAX_TEMPERATURE},
 
     {"EXIT", "EXIT", "EXIT", 0, 0, 0}
 };

SmartEVSE-3/src/evse.cpp

@@ -132,6 +132,7 @@ uint8_t WIFImode = WIFI_MODE;                                               // W
 String APpassword = "00000000";
 
 boolean enable3f = USE_3PHASES;
+uint16_t maxTemp = MAX_TEMPERATURE;
 
 int32_t Irms[3]={0, 0, 0};                                                  // Momentary current per Phase (23 = 2.3A) (resolution 100mA)
                                                                             // Max 3 phases supported
@@ -1040,6 +1041,7 @@ uint8_t getMenuItems (void) {
         MenuItems[m++] = MENU_IMPORT;                                           // - Import Current from Grid (A)
     }
     MenuItems[m++] = MENU_3F;
+    MenuItems[m++] = MENU_MAX_TEMP;
     MenuItems[m++] = MENU_LOADBL;                                               // Load Balance Setting (0:Disable / 1:Master / 2-8:Node)
     if (Mode && LoadBl < 2) {                                                   // ? Mode Smart/Solar and Load Balancing Disabled/Master?
         MenuItems[m++] = MENU_MAINS;                                            // - Max Mains Amps (hard limit, limited by the MAINS connection) (A) (Mode:Smart/Solar)
@@ -1109,6 +1111,9 @@ uint8_t setItemValue(uint8_t nav, uint16_t val) {
     }
 
     switch (nav) {
+        case MENU_MAX_TEMP:
+            maxTemp = val;
+            break;
         case MENU_3F:
             enable3f = val == 1;
             break;
@@ -1270,6 +1275,8 @@ uint8_t setItemValue(uint8_t nav, uint16_t val) {
  */
 uint16_t getItemValue(uint8_t nav) {
     switch (nav) {
+        case MENU_MAX_TEMP:
+            return maxTemp;
         case MENU_3F:
             return enable3f;
         case MENU_CONFIG:
@@ -1384,6 +1391,9 @@ const char * getMenuItemOption(uint8_t nav) {
     value = getItemValue(nav);
 
     switch (nav) {
+        case MENU_MAX_TEMP:
+            sprintf(Str, "%2u C", maxTemp);
+            return Str;
         case MENU_3F:
             return enable3f ? "Yes" : "No";
         case MENU_CONFIG:
@@ -2098,8 +2108,7 @@ void Timer1S(void * parameter) {
             }
         } else AccessTimer = 0;                                             // Not in state A, then disable timer
 
-
-        if ((TempEVSE <= 60) && (ErrorFlags & TEMP_HIGH)) {                  // Temperature below limit?
+        if ((TempEVSE < (maxTemp - 10)) && (ErrorFlags & TEMP_HIGH)) {                  // Temperature below limit?
             ErrorFlags &= ~TEMP_HIGH; // clear Error
         }
 
@@ -2133,7 +2142,7 @@ void Timer1S(void * parameter) {
             ResetBalancedStates();
         } else if (timeout) timeout--;
 
-        if (TempEVSE > 70 && !(ErrorFlags & TEMP_HIGH))                         // Temperature too High?
+        if (TempEVSE > maxTemp && !(ErrorFlags & TEMP_HIGH))                         // Temperature too High?
         {
             ErrorFlags |= TEMP_HIGH;
             setState(STATE_A);                                              // ERROR, switch back to STATE_A
@@ -2639,7 +2648,8 @@ void read_settings(bool write) {
         APpassword = preferences.getString("APpassword",AP_PASSWORD);
 
         enable3f = preferences.getUChar("enable3f", false); 
-
+        maxTemp = preferences.getUShort("maxTemp", MAX_TEMPERATURE); 
+
         preferences.end();                                  
 
         if (write) write_settings();
@@ -2692,6 +2702,7 @@ void write_settings(void) {
     preferences.putString("APpassword", APpassword);
 
     preferences.putBool("enable3f", enable3f);
+    preferences.putUShort("maxTemp", maxTemp);
 
     preferences.end();
 
@@ -2907,6 +2918,7 @@ void StartwebServer(void) {
         doc["car_connected"] = evConnected;
 
         doc["evse"]["temp"] = TempEVSE;
+        doc["evse"]["temp_max"] = maxTemp;
         doc["evse"]["connected"] = evConnected;
         doc["evse"]["access"] = Access_bit == 1;
         doc["evse"]["mode"] = Mode;