diff --git a/app/app.c b/app/app.c
index ee96e27..51191e8 100644
--- a/app/app.c
+++ b/app/app.c
@@ -707,6 +707,10 @@ static void CheckRadioInterrupts(void)
 					g_FSK_Buffer[gFSKWriteIndex++] = BK4819_ReadRegister(BK4819_REG_5F);
 				AIRCOPY_StorePacket();
 			}
+#endif
+#ifdef ENABLE_MDC1200
+         MDC1200_process_rx(  interrupt_status_bits);
+
 #endif
     }
 }
diff --git a/driver/bk4819.c b/driver/bk4819.c
index 8366b7c..0ce24e9 100644
--- a/driver/bk4819.c
+++ b/driver/bk4819.c
@@ -1784,9 +1784,8 @@ void BK4819_PlayDTMFEx(bool bLocalLoopback, char Code)
 
     BK4819_ExitTxMute();
 }
-//ENABLE_MDC1200
-#define h
-#ifdef h
+
+#ifdef ENABLE_MDC1200
 void BK4819_start_tone(const uint16_t frequency, const unsigned int level, const bool tx, const bool tx_mute)
 {
 	SYSTEM_DelayMs(1);