Do not send telemetry in igate mode and send battery level every minute

include/loraprs_service.h

@@ -125,7 +125,7 @@ private:
   const int CfgConnRetryMs = 500;             // connection retry delay, e.g. wifi
   const int CfgPollDelayMs = 20;              // main loop delay
   const int CfgConnRetryMaxTimes = 10;        // number of connection retries
-  const int CfgTelemetryPeriodMs = 30000;     // how often to send telemetry event
+  const int CfgTelemetryPeriodMs = 60000;     // how often to send telemetry event
 
   static const int CfgMaxPacketSize = 256;    // maximum packet size
   static const int CfgRadioQueueSize = 1024;  // radio queue size

src/loraprs_service.cpp

@@ -92,7 +92,7 @@ void Service::setup(const Config &conf)
   }
 
   // telemetry event
-  if (config_.TlmEnable) {
+  if (config_.TlmEnable && config_.IsClientMode) {
     LOG_INFO("Telemetry event is enabled");
     telemetryTimer_.every(CfgTelemetryPeriodMs, sendModemTelemetryTimer, this);
   }