Mitigate radio regulation risk of wrong frequency use in hardcoded values.

firmware/SendcommPeer2P/src/main.c

@@ -83,7 +83,7 @@ static void init(void)
 
 void print_menu(void)
 {
-    printf("\r\n-- Sendcomm LoRa P2P Sample Application --\r\n") ;
+    printf("\r\n-- Sendcomm LoRa P2P Sample Application (NNN MHz) --\r\n") ;
     printf("- Press user (white) button to transmit a counter [%d]\r\n", buttonCounter) ;
     printf("- Type any character to transmit over LoRa Radio\r\n") ;
 }
@@ -196,8 +196,13 @@ void serial_data_handler(void)
 /* Configure LoRa Radio for P2P */
 static void configure_radio(void)
 {
+#if true
+KRASH_ME  // Forces attention placed on a hard coded frequency risk
+    // Remember to replace text output banner (NNN MHz) in main
+    LORAWAN_Reset(ISM_EU868) ;  // Refer to stack_common.h for the definition of IsmBand_t
     // Cmd mac reset 868 - reset the LoRaWAN stack and initialize it with the parameters of the selected ISM band
     LORAWAN_Reset(ISM_EU868) ;  // Refer to stack_common.h for the definition of IsmBand_t
+#endif  // #if true
 
     // Cmd mac pause
     uint32_t time_ms = LORAWAN_Pause() ;