Add ATI11 to display the radio runtime in milliseconds

Firmware/LoRaSerial/Commands.ino

@@ -224,6 +224,7 @@ bool commandAT(const char * commandString)
         systemPrintln("  ATI8 - Display system unique ID");
         systemPrintln("  ATI9 - Display the maximum datagram size");
         systemPrintln("  ATI10 - Display radio metrics");
+        systemPrintln("  ATI11 - Display the system runtime");
 
         //Virtual circuit information commands
         systemPrintln("  ATI30 - Return myVc value");
@@ -601,6 +602,32 @@ bool commandAT(const char * commandString)
         systemPrintln("    State History");
         displayRadioStateHistory();
         return true;
+
+      case ('1'): //ATI11 - Display the system runtime
+        systemPrint("Runtime: ");
+        systemPrintU64(runtime.u64);
+        systemPrint(", Programmed: ");
+        systemPrintU64(programmed);
+        systemPrintln();
+        if (settings.operatingMode == MODE_VIRTUAL_CIRCUIT)
+        {
+          VC_RUNTIME_MESSAGE msg;
+          uint8_t * data;
+
+          //Build the runtime message
+          memcpy(&msg.runtime, &runtime.u64, sizeof(msg.runtime));
+          memcpy(&msg.programmed, &programmed, sizeof(msg.programmed));
+
+          //Send the message
+          systemWrite(START_OF_VC_SERIAL);  //Start byte
+          systemWrite(3 + sizeof(VC_RUNTIME_MESSAGE)); //Length
+          systemWrite(PC_RUNTIME);        //Destination
+          systemWrite(myVc);              //Source
+          data = (uint8_t *)&msg;
+          for (int index = 0; index < sizeof(msg); index++)
+            systemWrite(*data++);
+        }
+        return true;
     }
   }
   if ((commandString[2] == 'I') && (commandString[3] == '3') && (commandLength == 5))

Firmware/LoRaSerial/LoRaSerial.ino

@@ -521,6 +521,12 @@ Settings tempSettings; //Temporary settings used for command processing
 Settings trainingSettings; //Settings used for training other radios
 
 char platformPrefix[25]; //Used for printing platform specific device name, ie "SAMD21 1W 915MHz"
+union {
+  uint32_t u32[2];
+  uint64_t u64;
+} runtime; //Amount of time the system has been running in milliseconds
+uint64_t programmed; //Time the system was programmed in milliseconds
+
 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
 
 /*
@@ -660,6 +666,12 @@ void loop()
 {
   petWDT();
 
+  //Update the runtime
+  uint32_t currentMillis = millis();
+  if (currentMillis < runtime.u32[0])
+    runtime.u32[1] += 1;
+  runtime.u32[0] = currentMillis;
+
   updateButton(); //Check if train button is pressed
 
   updateSerial(); //Store incoming and print outgoing

Firmware/LoRaSerial/System.ino

@@ -23,6 +23,14 @@ void systemPrint(int value)
   systemPrint(temp);
 }
 
+//Print an integer value
+void systemPrintU64(uint64_t value)
+{
+  char temp[20 + 1];
+  sprintf(temp, "%ld", value);
+  systemPrint(temp);
+}
+
 //Print an integer value as HEX or decimal
 void systemPrint(int value, uint8_t printType)
 {

Firmware/LoRaSerial/Virtual_Circuit_Protocol.h

@@ -31,18 +31,19 @@
 //Address space 7 is reserved for the following special addresses:
 
 #define VC_RSVD_SPECIAL_VCS ((int8_t)(VCAB_CHANNEL_MASK << VCAB_NUMBER_BITS))
-#define VC_BROADCAST        ((int8_t)(VC_RSVD_SPECIAL_VCS | VCAB_NUMBER_MASK))
-#define VC_COMMAND          (VC_BROADCAST - 1) //Command input and command response
-#define VC_UNASSIGNED       (VC_COMMAND - 1)
-#define VC_IGNORE_TX        (VC_UNASSIGNED - 1)
+#define VC_BROADCAST        ((int8_t)(VC_RSVD_SPECIAL_VCS | VCAB_NUMBER_MASK)) //0xff
+#define VC_COMMAND          (VC_BROADCAST - 1)  //0xfe: Command input and command response
+#define VC_UNASSIGNED       (VC_COMMAND - 1)    //0xfd
+#define VC_IGNORE_TX        (VC_UNASSIGNED - 1) //0xfc
 
 //Source and destinations reserved for the local host
-#define PC_COMMAND          VC_RSVD_SPECIAL_VCS //Command input and command response
-#define PC_LINK_STATUS      (PC_COMMAND + 1)    //Asynchronous link status output
-#define PC_DATA_ACK         (PC_LINK_STATUS + 1)//Indicate data delivery success
-#define PC_DATA_NACK        (PC_DATA_ACK + 1)   //Indicate data delivery failure
-#define PC_SERIAL_RECONNECT (PC_DATA_NACK + 1)  //Disconnect/reconnect the serial port over LoRaSerial CPU reset
-#define PC_COMMAND_COMPLETE (PC_SERIAL_RECONNECT + 1)//Command complete
+#define PC_COMMAND          VC_RSVD_SPECIAL_VCS //0xe0: Command input and command response
+#define PC_LINK_STATUS      (PC_COMMAND + 1)    //0xe1: Asynchronous link status output
+#define PC_DATA_ACK         (PC_LINK_STATUS + 1)//0xe2: Indicate data delivery success
+#define PC_DATA_NACK        (PC_DATA_ACK + 1)   //0xe3: Indicate data delivery failure
+#define PC_SERIAL_RECONNECT (PC_DATA_NACK + 1)  //0xe4: Disconnect/reconnect the serial port over LoRaSerial CPU reset
+#define PC_COMMAND_COMPLETE (PC_SERIAL_RECONNECT + 1) //0xe5: Command complete
+#define PC_RUNTIME          (PC_COMMAND_COMPLETE + 1) //0xe6: Radio uptime
 
 //Address space 1 and 6 are reserved for the host PC interface to support remote
 //command processing.  The radio removes these bits and converts them to the
@@ -177,6 +178,12 @@ typedef struct _VC_COMMAND_COMPLETE_MESSAGE
   uint8_t cmdStatus;      //Command status
 } VC_COMMAND_COMPLETE_MESSAGE;
 
+typedef struct _VC_RUNTIME_MESSAGE
+{
+  uint64_t runtime;     //Time the system has been running in milliseconds
+  uint64_t programmed;  //Time the system was programmed in milliseconds
+} VC_RUNTIME_MESSAGE;
+
 //------------------------------------------------------------------------------
 // Macros
 //------------------------------------------------------------------------------