diff --git a/src/devices/stm32/can.cpp b/src/devices/stm32/can.cpp
index c396625..2f2cac6 100644
--- a/src/devices/stm32/can.cpp
+++ b/src/devices/stm32/can.cpp
@@ -225,6 +225,15 @@ namespace sta
     STA_WEAK
 	void CanBus_RxPendingCallbackSecondary(uint32_t fifo)
     {}
+
+    STA_WEAK
+    void CanBus_TxMailboxCompleteCallback()
+    {}
+
+    STA_WEAK
+    void CanBus_TxMailboxCompleteCallbackSecondary()
+    {}
+
 } // namespace sta
 
 
@@ -252,6 +261,39 @@ extern "C"
             sta::CanBus_RxPendingCallbackSecondary(CAN_RX_FIFO1);
         }
     }
+
+    void HAL_CAN_TxMailbox0CompleteCallback(CAN_HandleTypeDef *hcan)
+    {
+        if (hcan == &STA_STM32_CAN_HANDLE)
+        {
+            sta::CanBus_TxMailboxCompleteCallback();
+        }
+        else{
+            sta::CanBus_TxMailboxCompleteCallbackSecondary();
+        }
+    }
+
+    void HAL_CAN_TxMailbox1CompleteCallback(CAN_HandleTypeDef *hcan)
+    {
+        if (hcan == &STA_STM32_CAN_HANDLE)
+        {
+            sta::CanBus_TxMailboxCompleteCallback();
+        }
+        else{
+            sta::CanBus_TxMailboxCompleteCallbackSecondary();
+        }
+    }
+
+    void HAL_CAN_TxMailbox2CompleteCallback(CAN_HandleTypeDef *hcan)
+    {
+        if (hcan == &STA_STM32_CAN_HANDLE)
+        {
+            sta::CanBus_TxMailboxCompleteCallback();
+        }
+        else{
+            sta::CanBus_TxMailboxCompleteCallbackSecondary();
+        }
+    }
 }
 
 #endif // STA_STM32_CAN_GLOBAL