PGN 127502 remote keyboard support

lib/api/GwApi.h

@@ -137,6 +137,7 @@ class GwApi{
          * thread safe methods - can directly be called from a user task
          */
         virtual GwRequestQueue *getQueue()=0;
+        virtual QueueHandle_t getKbQueue()=0;
         virtual void sendN2kMessage(const tN2kMsg &msg, bool convert=true)=0;
         /**
          * deprecated - sourceId will be ignored

lib/config/GwConverterConfig.h

@@ -71,6 +71,7 @@ class GwConverterConfig{
       int rmcInterval=1000;
       int rmcCheckTime=4000;
       int winst312=256;
+      int swBankInstance=0;
       bool unmappedXdr=false;
       unsigned long xdrTimeout=60000;
       std::vector<WindMapping> windMappings;
@@ -97,6 +98,7 @@ class GwConverterConfig{
             windMappings.push_back(mapping);
           }
         }
+        swBankInstance=config->getInt(GwConfigDefinitions::swBankInstance,0);
       }
       const WindMapping findWindMapping(const tN2kWindReference &n2k) const{
         for (const auto & it:windMappings){
@@ -113,4 +115,4 @@ class GwConverterConfig{
 
 
   };
-#endif
+#endif

lib/nmea2kto0183/N2kDataToNMEA0183.cpp

@@ -1572,6 +1572,36 @@ private:
         finalizeXdr();
     }
 
+    void Handle127502(const tN2kMsg &msg){
+        // switch bank control / receive remote key strokes
+        unsigned char instance=-1;
+        tN2kBinaryStatus bankstatus;
+        LOG_DEBUG(GwLog::LOG,"received switch bank control");
+        // check if we are addressed and our configured instance is used
+        if (! ParseN2kPGN127502(msg,instance,bankstatus)) {
+            LOG_DEBUG(GwLog::DEBUG,"unable to parse PGN %d",msg.PGN);
+            return;
+        }
+        if (! (instance == config.swBankInstance)) {
+            LOG_DEBUG(GwLog::DEBUG,"switch bank instance #%d ignored",instance);
+            return;
+        }
+        // TODO (?) multiple keys together
+
+        // only process configured key count (default 6)
+        for (uint8_t i=1; i<=6; i++) {
+            tN2kOnOff keystatus = N2kGetStatusOnBinaryStatus(bankstatus, i);
+            if (keystatus == 1) {
+                // key pressed: send key to queue
+                xQueueSend(keyboardQueue, &i, 0);
+            } else if (keystatus == 2) {
+                // long key pressed: send long key to queue
+                xQueueSend(keyboardQueue, &i, 0);
+            }
+        }
+
+    }
+
     void registerConverters()
     {
       //register all converter functions
@@ -1607,6 +1637,7 @@ private:
       converters.registerConverter(127488UL, &N2kToNMEA0183Functions::Handle127488);
       converters.registerConverter(130316UL, &N2kToNMEA0183Functions::Handle130316);
       converters.registerConverter(127257UL, &N2kToNMEA0183Functions::Handle127257);
+      converters.registerConverter(127502UL, &N2kToNMEA0183Functions::Handle127502);
 #define HANDLE_AIS
 #ifdef HANDLE_AIS
       converters.registerConverter(129038UL, &N2kToNMEA0183Functions::HandleAISClassAPosReport);  // AIS Class A Position Report, Message Type 1
@@ -1620,13 +1651,15 @@ private:
   public:
     N2kToNMEA0183Functions(GwLog *logger, GwBoatData *boatData, 
         SendNMEA0183MessageCallback callback,
-        String talkerId, GwXDRMappings *xdrMappings, const GwConverterConfig &cfg) 
+        String talkerId, GwXDRMappings *xdrMappings, const GwConverterConfig &cfg,
+        QueueHandle_t kbQueue)
     : N2kDataToNMEA0183(logger, boatData, callback,talkerId)
     {
         this->logger = logger;
         this->boatData = boatData;
         this->xdrMappings=xdrMappings;
         this->config=cfg;
+        this->keyboardQueue=kbQueue;
         registerConverters();
     }
     virtual void loop(unsigned long lastExtRmc) override
@@ -1642,8 +1675,8 @@ private:
 
 N2kDataToNMEA0183* N2kDataToNMEA0183::create(GwLog *logger, GwBoatData *boatData, 
     SendNMEA0183MessageCallback callback, String talkerId, GwXDRMappings *xdrMappings,
-    const GwConverterConfig &cfg){
-  LOG_DEBUG(GwLog::LOG,"creating N2kToNMEA0183");    
-  return new N2kToNMEA0183Functions(logger,boatData,callback, talkerId,xdrMappings,cfg);
+    const GwConverterConfig &cfg, QueueHandle_t kbQueue){
+  LOG_DEBUG(GwLog::LOG,"creating N2kToNMEA0183");
+  return new N2kToNMEA0183Functions(logger,boatData,callback, talkerId,xdrMappings,cfg,kbQueue);
 }
 //*****************************************************************************

lib/nmea2kto0183/N2kDataToNMEA0183.h

@@ -43,6 +43,7 @@ protected:
   GwBoatData *boatData;
   int sourceId=0;
   char talkerId[3];
+  QueueHandle_t keyboardQueue;
   SendNMEA0183MessageCallback sendNMEA0183MessageCallback;
   void SendMessage(const tNMEA0183Msg &NMEA0183Msg);
   N2kDataToNMEA0183(GwLog *logger, GwBoatData *boatData,  
@@ -50,7 +51,8 @@ protected:
 
 public:
   static N2kDataToNMEA0183* create(GwLog *logger, GwBoatData *boatData,  SendNMEA0183MessageCallback callback, 
-    String talkerId, GwXDRMappings *xdrMappings,const GwConverterConfig &cfg);
+    String talkerId, GwXDRMappings *xdrMappings,const GwConverterConfig &cfg,
+    QueueHandle_t kbQueue);
   virtual void HandleMsg(const tN2kMsg &N2kMsg, int sourceId) = 0;
   virtual void loop(unsigned long lastRmc);
   virtual ~N2kDataToNMEA0183(){}
@@ -59,4 +61,4 @@ public:
   virtual void toJson(GwJsonDocument *json)=0;
   virtual String handledKeys()=0;
 };
-#endif
+#endif

lib/obp60task/obp60task.cpp

@@ -85,7 +85,7 @@ void OBP60Init(GwApi *api){
     // Get CPU speed
     int freq = getCpuFrequencyMhz();
     logger->logDebug(GwLog::LOG,"CPU speed at boot: %i MHz", freq);
-    
+
     // Settings for backlight
     String backlightMode = api->getConfig()->getConfigItem(api->getConfig()->backlight,true)->asString();
     logger->logDebug(GwLog::DEBUG,"Backlight Mode is: %s", backlightMode.c_str());
@@ -223,7 +223,7 @@ void registerAllPages(PageList &list){
     extern PageDescription registerPageWind;
     list.add(&registerPageWind);
     extern PageDescription registerPageWindPlot;
-    list.add(&registerPageWindPlot); 
+    list.add(&registerPageWindPlot);
     extern PageDescription registerPageWindRose;
     list.add(&registerPageWindRose);
     extern PageDescription registerPageWindRoseFlex;
@@ -344,6 +344,8 @@ void OBP60Task(GwApi *api){
 
     tN2kMsg N2kMsg;
 
+    QueueHandle_t keyboardQueue = api->getKbQueue();
+
     LOG_DEBUG(GwLog::LOG,"obp60task started");
     for (auto it=allPages.pages.begin();it != allPages.pages.end();it++){
         LOG_DEBUG(GwLog::LOG,"found registered page %s",(*it)->pageName.c_str());
@@ -402,7 +404,7 @@ void OBP60Task(GwApi *api){
         getdisplay().nextPage();                 // Fast Refresh
         getdisplay().nextPage();                 // Fast Refresh
     }
-    
+
     // Init pages
     int numPages=1;
     PageStruct pages[MAX_PAGE_NUMBER];
@@ -473,7 +475,7 @@ void OBP60Task(GwApi *api){
        for (auto it=description->fixedParam.begin();it != description->fixedParam.end();it++){
             GwApi::BoatValue *value=boatValues.findValueOrCreate(*it);
             LOG_DEBUG(GwLog::DEBUG,"added fixed value %s to page %d",value->getName().c_str(),i);
-            pages[i].parameters.values.push_back(value); 
+            pages[i].parameters.values.push_back(value);
        }
        // Add boat history data to page parameters
        pages[i].parameters.boatHstry = &hstryBufList;
@@ -549,11 +551,11 @@ void OBP60Task(GwApi *api){
     GwApi::BoatValue *hdop = boatValues.findValueOrCreate("HDOP");       // Load GpsHDOP
 
     LOG_DEBUG(GwLog::LOG,"obp60task: start mainloop");
-    
+
     commonData.time = boatValues.findValueOrCreate("GPST");      // Load GpsTime
     commonData.date = boatValues.findValueOrCreate("GPSD");      // Load GpsTime
     bool delayedDisplayUpdate = false;  // If select a new pages then make a delayed full display update
-    bool cpuspeedsetted = false;    // Marker for change CPU speed 
+    bool cpuspeedsetted = false;    // Marker for change CPU speed
     long firststart = millis();     // First start
     long starttime0 = millis();     // Mainloop
     long starttime1 = millis();     // Full display refresh for the first 5 min (more often as normal)
@@ -582,7 +584,7 @@ void OBP60Task(GwApi *api){
             }
         }
 
-        // Set CPU speed after boot after 1min 
+        // Set CPU speed after boot after 1min
         if(millis() > firststart + (1 * 60 * 1000) && cpuspeedsetted == false){
             if(String(cpuspeed) == "80"){
                 setCpuFrequencyMhz(80);
@@ -603,7 +605,7 @@ void OBP60Task(GwApi *api){
             commonData.data=shared->getSensorData();
             commonData.data.actpage = pageNumber + 1;
             commonData.data.maxpage = numPages;
-            
+
             // If GPS fix then LED off (HDOP)
             if(String(gpsFix) == "GPS Fix Lost" && hdop->value <= hdopAccuracy && hdop->valid == true){
                 setFlashLED(false);
@@ -612,9 +614,18 @@ void OBP60Task(GwApi *api){
             if((String(gpsFix) == "GPS Fix Lost" && hdop->value > hdopAccuracy && hdop->valid == true) || (String(gpsFix) == "GPS Fix Lost" && hdop->valid == false)){
                 setFlashLED(true);
             }
-         
+
+            // Keyboard messages from remote
+            uint8_t remotekey = 0;
+            if (xQueueReceive(keyboardQueue, &remotekey, 0) == pdPASS) {
+                LOG_DEBUG(GwLog::LOG, "OBP received remote key: %d", remotekey);
+                // inject into internal keyboard queue
+                 xQueueSend(allParameters.queue, &remotekey, 0);
+            }
+
             // Check the keyboard message
             int keyboardMessage=0;
+
             while (xQueueReceive(allParameters.queue,&keyboardMessage,0)){
                 LOG_DEBUG(GwLog::LOG,"new key from keyboard %d",keyboardMessage);
                 keypressed = true;
@@ -677,13 +688,13 @@ void OBP60Task(GwApi *api){
                         commonData.data.actpage = pageNumber + 1;
                         commonData.data.maxpage = numPages;
                     }
-                  
+
                     // #9 or #10 Refresh display after a new page after 4s waiting time and if refresh is disabled
                     if(refreshmode == true && (keyboardMessage == 9 || keyboardMessage == 10 || keyboardMessage == 4 || keyboardMessage == 3)){
                         starttime4 = millis();
                         starttime2 = millis();      // Reset the timer for full display update
                         delayedDisplayUpdate = true;
-                    }                 
+                    }
                 }
                 LOG_DEBUG(GwLog::LOG,"set pagenumber to %d",pageNumber);
             }
@@ -709,7 +720,7 @@ void OBP60Task(GwApi *api){
                     commonData.sundata = calcSunsetSunriseRTC(&commonData.data.rtcTime, homelat, homelon, tz);
                 }
             }
-            
+
             // Full display update afer a new selected page and 8s wait time
             if(millis() > starttime4 + 8000 && delayedDisplayUpdate == true){
                 starttime1 = millis();
@@ -786,8 +797,8 @@ void OBP60Task(GwApi *api){
 //                    getdisplay().nextPage();                     // Partial update
 //                    getdisplay().nextPage();                     // Partial update
                 }
-            }        
-                
+            }
+
             // Refresh display data, default all 1s
             currentPage = pages[pageNumber].page;
             int pagetime = 1000;

lib/usercode/GwUserCode.cpp

@@ -189,6 +189,10 @@ public:
     {
         return api->getQueue();
     }
+    virtual QueueHandle_t getKbQueue()
+    {
+        return api->getKbQueue();
+    }
     virtual void sendN2kMessage(const tN2kMsg &msg,bool convert)
     {
         GWSYNCHRONIZED(mainLock);
@@ -428,4 +432,4 @@ void GwUserCode::handleWebRequest(const String &url,AsyncWebServerRequest *req){
     }
     LOG_DEBUG(GwLog::DEBUG,"no task found for web request %s[%s]",url.c_str(),tname.c_str());
     req->send(404, "text/plain", "not found");
-}
+}

src/main.cpp

@@ -158,6 +158,8 @@ GwCounter<unsigned long> countNMEA2KIn("countNMEA2000in");
 GwCounter<unsigned long> countNMEA2KOut("countNMEA2000out");
 GwIntervalRunner timers;
 
+QueueHandle_t keyboardQueue = NULL;
+
 bool checkPass(String hash){
   return config.checkPass(hash);
 }
@@ -269,6 +271,10 @@ public:
   {
     return &mainQueue;
   }
+  virtual QueueHandle_t getKbQueue()
+  {
+    return keyboardQueue;
+  }
   virtual void sendN2kMessage(const tN2kMsg &msg,bool convert)
   {
     handleN2kMessage(msg,sourceId,!convert);
@@ -860,6 +866,8 @@ void setup() {
   webserver.begin();
   xdrMappings.begin();
   logger.flush();
+  // remote keyboard support
+  keyboardQueue = xQueueCreate(10, sizeof(uint8_t));
   GwConverterConfig converterConfig;
   converterConfig.init(&config,&logger);
   nmea0183Converter= N2kDataToNMEA0183::create(&logger, &boatData, 
@@ -869,7 +877,8 @@ void setup() {
     , 
     config.getString(config.talkerId,String("GP")),
     &xdrMappings,
-    converterConfig
+    converterConfig,
+    keyboardQueue
     );
 
   toN2KConverter= NMEA0183DataToN2K::create(&logger,&boatData,[](const tN2kMsg &msg, int sourceId)->bool{

web/config.json

@@ -88,6 +88,16 @@
         "description":"the brightness of the led (0..255)",
         "category":"system"
     },
+    {
+        "name": "swBankInstance",
+        "type": "number",
+        "default": 0,
+        "min": 0,
+        "max": 252,
+        "check": "checkMinMax",
+        "description": "the instance of switch bank to receive data for (0..252)",
+        "category": "system"
+    },
     {
         "name": "talkerId",
         "label": "NMEA0183 ID",
@@ -1287,4 +1297,4 @@
         "check": "checkXDR",
         "category": "xdr30"
     }
-]
+]