From fe450ec174430c0febf351ea27e27739f12988d2 Mon Sep 17 00:00:00 2001
From: nitiantuhao <2062405236@qq.com>
Date: Fri, 13 Mar 2026 23:52:13 +0800
Subject: [PATCH] 1.0

---
 Core/Inc/stm32f4xx_it.h |  1 -
 Core/Src/can.c          |  5 +----
 Core/Src/stm32f4xx_it.c | 14 --------------
 FDR-Core.ioc            |  6 ++----
 4 files changed, 3 insertions(+), 23 deletions(-)

diff --git a/Core/Inc/stm32f4xx_it.h b/Core/Inc/stm32f4xx_it.h
index ae0f282..fca404e 100644
--- a/Core/Inc/stm32f4xx_it.h
+++ b/Core/Inc/stm32f4xx_it.h
@@ -55,7 +55,6 @@ void SVC_Handler(void);
 void DebugMon_Handler(void);
 void PendSV_Handler(void);
 void SysTick_Handler(void);
-void CAN1_TX_IRQHandler(void);
 void CAN1_RX0_IRQHandler(void);
 void TIM6_DAC_IRQHandler(void);
 void OTG_FS_IRQHandler(void);
diff --git a/Core/Src/can.c b/Core/Src/can.c
index 05c3003..3ade804 100644
--- a/Core/Src/can.c
+++ b/Core/Src/can.c
@@ -39,7 +39,7 @@ void MX_CAN1_Init(void)
   /* USER CODE END CAN1_Init 1 */
   hcan1.Instance = CAN1;
   hcan1.Init.Prescaler = 21;
-  hcan1.Init.Mode = CAN_MODE_LOOPBACK;
+  hcan1.Init.Mode = CAN_MODE_NORMAL;
   hcan1.Init.SyncJumpWidth = CAN_SJW_1TQ;
   hcan1.Init.TimeSeg1 = CAN_BS1_6TQ;
   hcan1.Init.TimeSeg2 = CAN_BS2_1TQ;
@@ -84,8 +84,6 @@ void HAL_CAN_MspInit(CAN_HandleTypeDef* canHandle)
     HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
 
     /* CAN1 interrupt Init */
-    HAL_NVIC_SetPriority(CAN1_TX_IRQn, 0, 0);
-    HAL_NVIC_EnableIRQ(CAN1_TX_IRQn);
     HAL_NVIC_SetPriority(CAN1_RX0_IRQn, 0, 0);
     HAL_NVIC_EnableIRQ(CAN1_RX0_IRQn);
   /* USER CODE BEGIN CAN1_MspInit 1 */
@@ -112,7 +110,6 @@ void HAL_CAN_MspDeInit(CAN_HandleTypeDef* canHandle)
     HAL_GPIO_DeInit(GPIOB, GPIO_PIN_8|GPIO_PIN_9);
 
     /* CAN1 interrupt Deinit */
-    HAL_NVIC_DisableIRQ(CAN1_TX_IRQn);
     HAL_NVIC_DisableIRQ(CAN1_RX0_IRQn);
   /* USER CODE BEGIN CAN1_MspDeInit 1 */
 
diff --git a/Core/Src/stm32f4xx_it.c b/Core/Src/stm32f4xx_it.c
index 7074a86..30faa20 100644
--- a/Core/Src/stm32f4xx_it.c
+++ b/Core/Src/stm32f4xx_it.c
@@ -200,20 +200,6 @@ void SysTick_Handler(void)
 /* please refer to the startup file (startup_stm32f4xx.s).                    */
 /******************************************************************************/
 
-/**
-  * @brief This function handles CAN1 TX interrupts.
-  */
-void CAN1_TX_IRQHandler(void)
-{
-  /* USER CODE BEGIN CAN1_TX_IRQn 0 */
-
-  /* USER CODE END CAN1_TX_IRQn 0 */
-  HAL_CAN_IRQHandler(&hcan1);
-  /* USER CODE BEGIN CAN1_TX_IRQn 1 */
-
-  /* USER CODE END CAN1_TX_IRQn 1 */
-}
-
 /**
   * @brief This function handles CAN1 RX0 interrupts.
   */
diff --git a/FDR-Core.ioc b/FDR-Core.ioc
index edb4842..b2fced0 100644
--- a/FDR-Core.ioc
+++ b/FDR-Core.ioc
@@ -6,8 +6,7 @@ CAN1.BS1=CAN_BS1_6TQ
 CAN1.CalculateBaudRate=250000
 CAN1.CalculateTimeBit=4000
 CAN1.CalculateTimeQuantum=500.0
-CAN1.IPParameters=CalculateTimeQuantum,CalculateTimeBit,CalculateBaudRate,Prescaler,BS1,Mode
-CAN1.Mode=CAN_MODE_LOOPBACK
+CAN1.IPParameters=CalculateTimeQuantum,CalculateTimeBit,CalculateBaudRate,Prescaler,BS1
 CAN1.Prescaler=21
 File.Version=6
 GPIO.groupedBy=
@@ -71,8 +70,7 @@ Mcu.UserName=STM32F407VGTx
 MxCube.Version=6.15.0
 MxDb.Version=DB.6.0.150
 NVIC.BusFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
-NVIC.CAN1_RX0_IRQn=true\:0\:0\:true\:false\:true\:true\:true\:true
-NVIC.CAN1_TX_IRQn=true\:0\:0\:true\:false\:true\:true\:true\:true
+NVIC.CAN1_RX0_IRQn=true\:0\:0\:false\:false\:true\:true\:true\:true
 NVIC.DebugMonitor_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.ForceEnableDMAVector=true
 NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false