Retrieve the serial numbers of the WiFi module and EVSE module

Fixes Station Serial Number #218

Author: jeremypoulter

gui

@@ -36,7 +36,7 @@ lib_deps =
   jeremypoulter/[email protected]
   jeremypoulter/Micro [email protected]
   jeremypoulter/[email protected]
-  jeremypoulter/[email protected].7
+  jeremypoulter/[email protected].9
   jeremypoulter/[email protected]
   jeremypoulter/[email protected]
   jeremypoulter/[email protected]
@@ -283,6 +283,7 @@ board_build.partitions = ${common.build_partitions}
 #https://github.com/OpenEVSE/ESP32_WiFi_V3.x/blob/master/docs/wired-ethernet.md
 extends = env:openevse_esp32-gateway
 framework = arduino, espidf
+upload_speed = 921600
 build_flags =
   ${common.build_flags}
   -D RX2=16

platformio.ini

@@ -160,6 +160,7 @@
 
 extern String currentfirmware;
 extern String buildenv;
+extern String serial;
 
 void restart_system();
 

src/emonesp.h

@@ -379,6 +379,9 @@ class EvseManager : public MicroTasks::Task
     const char *getFirmwareVersion() {
       return _monitor.getFirmwareVersion();
     }
+    const char *getSerial() {
+      return _monitor.getSerial();
+    }
     long getMinCurrent() {
       return _monitor.getMinCurrent();
     }

src/evse_man.h

@@ -62,12 +62,14 @@
 #define EVSE_MONITOR_FLAGS_BOOT_READY         (1 << 1)
 #define EVSE_MONITOR_CURRENT_BOOT_READY       (1 << 2)
 #define EVSE_MONITOR_ENERGY_BOOT_READY        (1 << 3)
+#define EVSE_MONITOR_SERIAL_BOOT_READY        (1 << 5)
 
 #define EVSE_MONITOR_BOOT_READY ( \
         EVSE_MONITOR_FAULT_COUNT_BOOT_READY | \
         EVSE_MONITOR_FLAGS_BOOT_READY | \
         EVSE_MONITOR_CURRENT_BOOT_READY | \
-        EVSE_MONITOR_ENERGY_BOOT_READY \
+        EVSE_MONITOR_ENERGY_BOOT_READY | \
+        EVSE_MONITOR_SERIAL_BOOT_READY \
 )
 
 #define EVSE_MONITOR_SESSION_COMPLETE_MASK      OPENEVSE_VFLAG_EV_CONNECTED
@@ -245,6 +247,16 @@ void EvseMonitor::evseBoot(const char *firmware)
     }
   });
 
+  _openevse.getSerial([this](int ret, const char *serial)
+  {
+    if(RAPI_RESPONSE_OK == ret)
+    {
+      DBUGF("serial = %s", serial);
+      snprintf(_serial, sizeof(_serial), "%s", serial);
+      _boot_ready.ready(EVSE_MONITOR_SERIAL_BOOT_READY);
+    }
+  });
+
   _openevse.heartbeatEnable(EVSE_HEATBEAT_INTERVAL, EVSE_HEARTBEAT_CURRENT, [this](int ret, int interval, int current, int triggered) {
     _heartbeat = RAPI_RESPONSE_OK == ret;
   });

src/evse_monitor.cpp

@@ -146,6 +146,7 @@ class EvseMonitor : public MicroTasks::Task
     bool _heartbeat;
 
     char _firmware_version[32];
+    char _serial[16];
 
 #ifdef ENABLE_MCP9808
     Adafruit_MCP9808 _mcp9808;
@@ -294,6 +295,9 @@ class EvseMonitor : public MicroTasks::Task
     const char *getFirmwareVersion() {
       return _firmware_version;
     }
+    const char *getSerial() {
+      return _serial;
+    }
 
     // Register for events
     void onStateChange(MicroTasks::EventListener *listner) {

src/evse_monitor.h

@@ -78,6 +78,7 @@ static uint32_t last_mem = 0;
 #define ESCAPEQUOTE(A) TEXTIFY(A)
 String currentfirmware = ESCAPEQUOTE(BUILD_TAG);
 String buildenv = ESCAPEQUOTE(BUILD_ENV_NAME);
+String serial;
 
 ArduinoOcppTask ocpp = ArduinoOcppTask();
 
@@ -98,6 +99,9 @@ void setup()
   DEBUG.printf("IDF version: %s\n", ESP.getSdkVersion());
   DEBUG.printf("Free: %d\n", ESPAL.getFreeHeap());
 
+  serial = ESPAL.getLongId();
+  serial.toUpperCase();
+
   if(!LittleFS.begin(FORMAT_LITTLEFS_IF_FAILED)){
     DEBUG.println("LittleFS Mount Failed");
     return;

src/main.cpp

@@ -29,6 +29,8 @@ handleConfigGet(MongooseHttpServerRequest *request, MongooseHttpServerResponseSt
   doc["espinfo"] = ESPAL.getChipInfo();
   doc["buildenv"] = buildenv;
   doc["version"] = currentfirmware;
+  doc["evse_serial"] = evse.getSerial();
+  doc["wifi_serial"] = serial;
   doc["diodet"] = evse.isDiodeCheckDisabled() ? 1 : 0;
   doc["gfcit"] = evse.isGfiTestDisabled() ? 1 : 0;
   doc["groundt"] = evse.isGroundCheckDisabled() ? 1 : 0;