diff --git a/Core/Inc/main.h b/Core/Inc/main.h
index 643006b..1dd54fb 100644
--- a/Core/Inc/main.h
+++ b/Core/Inc/main.h
@@ -55,7 +55,7 @@ extern volatile uint8_t motorRxEnd;
 
 /* Exported functions prototypes ---------------------------------------------*/
 void Error_Handler(void);
-
+void transDataToMotorValve(uint8_t *data, uint16_t len);
 /* USER CODE BEGIN EFP */
 
 /* USER CODE END EFP */
diff --git a/Core/Src/main.c b/Core/Src/main.c
index 5491a13..f6ab2ff 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -69,6 +69,17 @@ void transDataToHost(uint8_t *data, uint16_t len)
   HAL_GPIO_WritePin(DIR1_GPIO_Port, DIR1_Pin, GPIO_PIN_RESET);
   // HAL_Delay(100);
 }
+
+void transDataToMotorValve(uint8_t *data, uint16_t len)
+{
+  // 开启uart3 dma
+  HAL_GPIO_WritePin(DIR2_GPIO_Port, DIR2_Pin, GPIO_PIN_SET);
+  // HAL_Delay(100);
+  // HAL_UART_Transmit_DMA(&huart2, data, len);
+  HAL_UART_Transmit(&huart2, data, len, 100);
+  HAL_GPIO_WritePin(DIR2_GPIO_Port, DIR2_Pin, GPIO_PIN_RESET);
+  // HAL_Delay(100);
+}
 /* USER CODE END PFP */
 
 /* Private user code ---------------------------------------------------------*/
diff --git a/Core/motor b/Core/motor
index e4ee1c0..ce85303 160000
--- a/Core/motor
+++ b/Core/motor
@@ -1 +1 @@
-Subproject commit e4ee1c0eecad3dcc04ef071132ef67d852a0c974
+Subproject commit ce8530303e7042bb58c67772ecd9c32586df1fdb