diff --git a/Inc/CanSerialPortFrame.h b/Inc/CanSerialPortFrame.h
index f365e19..b5c674a 100644
--- a/Inc/CanSerialPortFrame.h
+++ b/Inc/CanSerialPortFrame.h
@@ -92,7 +92,7 @@ typedef struct {
 
 } tCanSerialPortFrameFlagchip;
 
-void vCanSerialPortFrameDMAInit(
+bool vCanSerialPortFrameDMAInit(
         tCanSerialPortFrameFlagchip *env,
         FLEXCAN_Type *CANx, // FLEXCAN0
         uint8 CAN_INDEX, // CAN0 = 0 ... CAN3 = 3
diff --git a/Src/CanSerialPortFrame.c b/Src/CanSerialPortFrame.c
index 00424ce..6213672 100644
--- a/Src/CanSerialPortFrame.c
+++ b/Src/CanSerialPortFrame.c
@@ -65,7 +65,7 @@ vCanSerialPortFrameInitStructure(tCanSerialPortFrameFlagchip *env, uint16_t rxDa
 
 }
 
-void vCanSerialPortFrameDMAInit(
+bool vCanSerialPortFrameDMAInit(
         tCanSerialPortFrameFlagchip *env,
         FLEXCAN_Type *CANx, // FLEXCAN0
         uint8 CAN_INDEX, // CAN0 = 0 ... CAN3 = 3
@@ -247,20 +247,24 @@ void vCanSerialPortFrameDMAInit(
 
         }
 
+        if (!env->reInit) {
+            env->reInit = true;
+            vCanSerialPortFrameInitStructure(env, 40, 0);
+
+            CanSerialPortFrameSetType(env, canTypeFrame);
+            CanSerialPortFrameSetId(env, canId);
+
+            env->canBaudRate = canBaudRate;
+        }
+
         FLEXCAN_Start(CAN_INDEX); // Start CAN
+
+    } else {
+        return false;
     }
 
 
-    if (!env->reInit) {
-        env->reInit = true;
-        vCanSerialPortFrameInitStructure(env, 40, 0);
-
-        CanSerialPortFrameSetType(env, canTypeFrame);
-        CanSerialPortFrameSetId(env, canId);
-
-        env->canBaudRate = canBaudRate;
-    }
-
+    return true;
     //конец------------------------------------CAN----------------------------------------------------------------------
     //конец------------------------------------CAN----------------------------------------------------------------------
     //конец------------------------------------CAN----------------------------------------------------------------------