* repeater, room server: new prefs: sf, cr, bw. "set tx ..." now instant, no reboot needed.

src/helpers/CommonCLI.cpp

@@ -168,7 +168,8 @@ void CommonCLI::handleCommand(uint32_t sender_timestamp, const char* command, ch
       } else if (memcmp(config, "tx ", 3) == 0) {
         _prefs->tx_power_dbm = atoi(&config[3]);
         savePrefs();
-        strcpy(reply, "OK - reboot to apply");
+        _callbacks->setTxPower(_prefs->tx_power_dbm);
+        strcpy(reply, "OK");
       } else if (sender_timestamp == 0 && memcmp(config, "freq ", 5) == 0) {
         _prefs->freq = atof(&config[5]);
         savePrefs();

src/helpers/CommonCLI.h

@@ -16,6 +16,11 @@ struct NodePrefs {  // persisted to file
     float tx_delay_factor;
     char guest_password[16];
     float direct_tx_delay_factor;
+    uint8_t sf;
+    uint8_t cr;
+    uint8_t reserved1;
+    uint8_t reserved2;
+    float bw;
 };
 
 class CommonCLICallbacks {
@@ -28,6 +33,7 @@ public:
   virtual void setLoggingOn(bool enable) = 0;
   virtual void eraseLogFile() = 0;
   virtual void dumpLogFile() = 0;
+  virtual void setTxPower(uint8_t power_dbm) = 0;
 };
 
 class CommonCLI {