/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file    stm32h7xx_it.c
  * @brief   Interrupt Service Routines.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2025 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */

/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32h7xx_it.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "bluetooth.h"
#include "DBG.h"
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN TD */

/* USER CODE END TD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/* External variables --------------------------------------------------------*/
extern TIM_HandleTypeDef htim2;
extern TIM_HandleTypeDef htim3;
extern TIM_HandleTypeDef htim4;
extern DMA_HandleTypeDef hdma_uart4_rx;
extern DMA_HandleTypeDef hdma_uart5_rx;
extern DMA_HandleTypeDef hdma_uart5_tx;
extern DMA_HandleTypeDef hdma_usart1_rx;
extern DMA_HandleTypeDef hdma_usart1_tx;
extern DMA_HandleTypeDef hdma_usart2_rx;
extern DMA_HandleTypeDef hdma_usart2_tx;
extern DMA_HandleTypeDef hdma_usart3_rx;
extern DMA_HandleTypeDef hdma_usart3_tx;
extern DMA_HandleTypeDef hdma_usart6_rx;
extern DMA_HandleTypeDef hdma_usart6_tx;
extern UART_HandleTypeDef huart4;
extern UART_HandleTypeDef huart5;
extern UART_HandleTypeDef huart1;
extern UART_HandleTypeDef huart2;
extern UART_HandleTypeDef huart3;
extern UART_HandleTypeDef huart6;
extern TIM_HandleTypeDef htim17;

/* USER CODE BEGIN EV */

/* USER CODE END EV */

/******************************************************************************/
/*           Cortex Processor Interruption and Exception Handlers          */
/******************************************************************************/
/**
  * @brief This function handles Non maskable interrupt.
  */
void NMI_Handler(void)
{
  /* USER CODE BEGIN NonMaskableInt_IRQn 0 */

  /* USER CODE END NonMaskableInt_IRQn 0 */
  /* USER CODE BEGIN NonMaskableInt_IRQn 1 */
   while (1)
  {
  }
  /* USER CODE END NonMaskableInt_IRQn 1 */
}

/**
  * @brief This function handles Hard fault interrupt.
  */
void HardFault_Handler(void)
{
  /* USER CODE BEGIN HardFault_IRQn 0 */
    // 打印HardFault信息
    // 注意：这里假设printf已经重定向到UART，且在HardFault中还能工作
    // 如果不能工作，可能需要直接操作寄存器输出
    
//    // 获取SCB->HFSR, CFSR等寄存器值
//    volatile uint32_t hfsr = SCB->HFSR;
//    volatile uint32_t cfsr = SCB->CFSR;
//    volatile uint32_t mmfar = SCB->MMFAR;
//    volatile uint32_t bfar = SCB->BFAR;
//    
//    printf("\r\n=== HARD FAULT ===\r\n");
//    printf("HFSR: 0x%08X\r\n", hfsr);
//    printf("CFSR: 0x%08X\r\n", cfsr);
//    
//    if (hfsr & (1 << 30)) {
//        printf("Forced HardFault\r\n");
//    }
//    
//    if (cfsr & 0xFFFF0000) {
//        printf("Usage Fault: 0x%04X\r\n", (cfsr >> 16));
//        if (cfsr & (1 << 24)) printf("  - UNALIGNED access\r\n");
//        if (cfsr & (1 << 25)) printf("  - DIVBYZERO\r\n");
//    }
//    
//    if (cfsr & 0x0000FF00) {
//        printf("Bus Fault: 0x%02X\r\n", (cfsr >> 8));
//        if (cfsr & (1 << 15)) printf("  - BFAR valid: 0x%08X\r\n", bfar);
//        if (cfsr & (1 << 10)) printf("  - IMPRECISERR (Imprecise data bus error)\r\n");
//        if (cfsr & (1 << 9))  printf("  - PRECISERR (Precise data bus error)\r\n");
//        if (cfsr & (1 << 8))  printf("  - IBUSERR (Instruction bus error)\r\n");
//    }
//    
//    if (cfsr & 0x000000FF) {
//        printf("MemManage Fault: 0x%02X\r\n", cfsr & 0xFF);
//        if (cfsr & (1 << 7)) printf("  - MMFAR valid: 0x%08X\r\n", mmfar);
//    }
//    
//    // 尝试打印LR和PC（需要汇编辅助，这里简单打印寄存器）
//    // __asm("MOV R0, LR");
//    // __asm("MRS R1, MSP");
//    // __asm("MRS R2, PSP");
//    
//    printf("System Halted.\r\n");
  /* USER CODE END HardFault_IRQn 0 */
  while (1)
  {
    /* USER CODE BEGIN W1_HardFault_IRQn 0 */
    /* USER CODE END W1_HardFault_IRQn 0 */
  }
}

/**
  * @brief This function handles Memory management fault.
  */
void MemManage_Handler(void)
{
  /* USER CODE BEGIN MemoryManagement_IRQn 0 */

  /* USER CODE END MemoryManagement_IRQn 0 */
  while (1)
  {
    /* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */
    /* USER CODE END W1_MemoryManagement_IRQn 0 */
  }
}

/**
  * @brief This function handles Pre-fetch fault, memory access fault.
  */
void BusFault_Handler(void)
{
  /* USER CODE BEGIN BusFault_IRQn 0 */

  /* USER CODE END BusFault_IRQn 0 */
  while (1)
  {
    /* USER CODE BEGIN W1_BusFault_IRQn 0 */
    /* USER CODE END W1_BusFault_IRQn 0 */
  }
}

/**
  * @brief This function handles Undefined instruction or illegal state.
  */
void UsageFault_Handler(void)
{
  /* USER CODE BEGIN UsageFault_IRQn 0 */

  /* USER CODE END UsageFault_IRQn 0 */
  while (1)
  {
    /* USER CODE BEGIN W1_UsageFault_IRQn 0 */
    /* USER CODE END W1_UsageFault_IRQn 0 */
  }
}

/**
  * @brief This function handles Debug monitor.
  */
void DebugMon_Handler(void)
{
  /* USER CODE BEGIN DebugMonitor_IRQn 0 */

  /* USER CODE END DebugMonitor_IRQn 0 */
  /* USER CODE BEGIN DebugMonitor_IRQn 1 */

  /* USER CODE END DebugMonitor_IRQn 1 */
}

/******************************************************************************/
/* STM32H7xx Peripheral Interrupt Handlers                                    */
/* Add here the Interrupt Handlers for the used peripherals.                  */
/* For the available peripheral interrupt handler names,                      */
/* please refer to the startup file (startup_stm32h7xx.s).                    */
/******************************************************************************/

/**
  * @brief This function handles DMA1 stream0 global interrupt.
  */
void DMA1_Stream0_IRQHandler(void)
{
  /* USER CODE BEGIN DMA1_Stream0_IRQn 0 */

  /* USER CODE END DMA1_Stream0_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_usart1_rx);
  /* USER CODE BEGIN DMA1_Stream0_IRQn 1 */

  /* USER CODE END DMA1_Stream0_IRQn 1 */
}

/**
  * @brief This function handles DMA1 stream1 global interrupt.
  */
void DMA1_Stream1_IRQHandler(void)
{
  /* USER CODE BEGIN DMA1_Stream1_IRQn 0 */

  /* USER CODE END DMA1_Stream1_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_usart1_tx);
  /* USER CODE BEGIN DMA1_Stream1_IRQn 1 */

  /* USER CODE END DMA1_Stream1_IRQn 1 */
}

/**
  * @brief This function handles DMA1 stream2 global interrupt.
  */
void DMA1_Stream2_IRQHandler(void)
{
  /* USER CODE BEGIN DMA1_Stream2_IRQn 0 */

  /* USER CODE END DMA1_Stream2_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_usart2_rx);
  /* USER CODE BEGIN DMA1_Stream2_IRQn 1 */

  /* USER CODE END DMA1_Stream2_IRQn 1 */
}

/**
  * @brief This function handles DMA1 stream3 global interrupt.
  */
void DMA1_Stream3_IRQHandler(void)
{
  /* USER CODE BEGIN DMA1_Stream3_IRQn 0 */

  /* USER CODE END DMA1_Stream3_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_usart2_tx);
  /* USER CODE BEGIN DMA1_Stream3_IRQn 1 */

  /* USER CODE END DMA1_Stream3_IRQn 1 */
}

/**
  * @brief This function handles DMA1 stream4 global interrupt.
  */
void DMA1_Stream4_IRQHandler(void)
{
  /* USER CODE BEGIN DMA1_Stream4_IRQn 0 */

  /* USER CODE END DMA1_Stream4_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_usart3_rx);
  /* USER CODE BEGIN DMA1_Stream4_IRQn 1 */

  /* USER CODE END DMA1_Stream4_IRQn 1 */
}

/**
  * @brief This function handles DMA1 stream5 global interrupt.
  */
void DMA1_Stream5_IRQHandler(void)
{
  /* USER CODE BEGIN DMA1_Stream5_IRQn 0 */

  /* USER CODE END DMA1_Stream5_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_usart3_tx);
  /* USER CODE BEGIN DMA1_Stream5_IRQn 1 */

  /* USER CODE END DMA1_Stream5_IRQn 1 */
}

/**
  * @brief This function handles DMA1 stream6 global interrupt.
  */
void DMA1_Stream6_IRQHandler(void)
{
  /* USER CODE BEGIN DMA1_Stream6_IRQn 0 */

  /* USER CODE END DMA1_Stream6_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_usart6_rx);
  /* USER CODE BEGIN DMA1_Stream6_IRQn 1 */

  /* USER CODE END DMA1_Stream6_IRQn 1 */
}

/**
  * @brief This function handles TIM2 global interrupt.
  */
void TIM2_IRQHandler(void)
{
  /* USER CODE BEGIN TIM2_IRQn 0 */

  /* USER CODE END TIM2_IRQn 0 */
  HAL_TIM_IRQHandler(&htim2);
  /* USER CODE BEGIN TIM2_IRQn 1 */

  /* USER CODE END TIM2_IRQn 1 */
}

/**
  * @brief This function handles TIM3 global interrupt.
  */
void TIM3_IRQHandler(void)
{
  /* USER CODE BEGIN TIM3_IRQn 0 */

  /* USER CODE END TIM3_IRQn 0 */
  HAL_TIM_IRQHandler(&htim3);
  /* USER CODE BEGIN TIM3_IRQn 1 */

  /* USER CODE END TIM3_IRQn 1 */
}

/**
  * @brief This function handles TIM4 global interrupt.
  */
void TIM4_IRQHandler(void)
{
  /* USER CODE BEGIN TIM4_IRQn 0 */

  /* USER CODE END TIM4_IRQn 0 */
  HAL_TIM_IRQHandler(&htim4);
  /* USER CODE BEGIN TIM4_IRQn 1 */

  /* USER CODE END TIM4_IRQn 1 */
}

/**
  * @brief This function handles USART1 global interrupt.
  */
void USART1_IRQHandler(void)
{
  /* USER CODE BEGIN USART1_IRQn 0 */

  /* USER CODE END USART1_IRQn 0 */
  HAL_UART_IRQHandler(&huart1);
  /* USER CODE BEGIN USART1_IRQn 1 */

  /* USER CODE END USART1_IRQn 1 */
}

/**
  * @brief This function handles USART2 global interrupt.
  */
void USART2_IRQHandler(void)
{
  /* USER CODE BEGIN USART2_IRQn 0 */

  /* USER CODE END USART2_IRQn 0 */
  HAL_UART_IRQHandler(&huart2);
  /* USER CODE BEGIN USART2_IRQn 1 */

  /* USER CODE END USART2_IRQn 1 */
}

/**
  * @brief This function handles USART3 global interrupt.
  */
void USART3_IRQHandler(void)
{
  /* USER CODE BEGIN USART3_IRQn 0 */

  /* USER CODE END USART3_IRQn 0 */
  HAL_UART_IRQHandler(&huart3);
  /* USER CODE BEGIN USART3_IRQn 1 */

  /* USER CODE END USART3_IRQn 1 */
}

/**
  * @brief This function handles DMA1 stream7 global interrupt.
  */
void DMA1_Stream7_IRQHandler(void)
{
  /* USER CODE BEGIN DMA1_Stream7_IRQn 0 */

  /* USER CODE END DMA1_Stream7_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_usart6_tx);
  /* USER CODE BEGIN DMA1_Stream7_IRQn 1 */

  /* USER CODE END DMA1_Stream7_IRQn 1 */
}

/**
  * @brief This function handles UART4 global interrupt.
  */
void UART4_IRQHandler(void)
{
  /* USER CODE BEGIN UART4_IRQn 0 */

  /* USER CODE END UART4_IRQn 0 */
  HAL_UART_IRQHandler(&huart4);
  /* USER CODE BEGIN UART4_IRQn 1 */

  /* USER CODE END UART4_IRQn 1 */
}

/**
  * @brief This function handles UART5 global interrupt.
  */
void UART5_IRQHandler(void)
{
  /* USER CODE BEGIN UART5_IRQn 0 */

  /* USER CODE END UART5_IRQn 0 */
  HAL_UART_IRQHandler(&huart5);
  /* USER CODE BEGIN UART5_IRQn 1 */

  /* USER CODE END UART5_IRQn 1 */
}

/**
  * @brief This function handles DMA2 stream0 global interrupt.
  */
void DMA2_Stream0_IRQHandler(void)
{
  /* USER CODE BEGIN DMA2_Stream0_IRQn 0 */

  /* USER CODE END DMA2_Stream0_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_uart4_rx);
  /* USER CODE BEGIN DMA2_Stream0_IRQn 1 */

  /* USER CODE END DMA2_Stream0_IRQn 1 */
}

/**
  * @brief This function handles DMA2 stream1 global interrupt.
  */
void DMA2_Stream1_IRQHandler(void)
{
  /* USER CODE BEGIN DMA2_Stream1_IRQn 0 */

  /* USER CODE END DMA2_Stream1_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_uart5_rx);
  /* USER CODE BEGIN DMA2_Stream1_IRQn 1 */

  /* USER CODE END DMA2_Stream1_IRQn 1 */
}

/**
  * @brief This function handles DMA2 stream2 global interrupt.
  */
void DMA2_Stream2_IRQHandler(void)
{
  /* USER CODE BEGIN DMA2_Stream2_IRQn 0 */

  /* USER CODE END DMA2_Stream2_IRQn 0 */
  HAL_DMA_IRQHandler(&hdma_uart5_tx);
  /* USER CODE BEGIN DMA2_Stream2_IRQn 1 */

  /* USER CODE END DMA2_Stream2_IRQn 1 */
}

/**
  * @brief This function handles USART6 global interrupt.
  */
void USART6_IRQHandler(void)
{
  /* USER CODE BEGIN USART6_IRQn 0 */
  // Circular DMA Mode: Just set a flag, do NOT stop DMA
  uint32_t tmp_flag = 0;
    tmp_flag = __HAL_UART_GET_FLAG(&huart6, UART_FLAG_IDLE); 

    if ((tmp_flag != RESET)) 
    {
        g_u32BtIdleIntCount++; // Debug Counter
        __HAL_UART_CLEAR_IDLEFLAG(&huart6);
        // For Circular DMA, we do NOT stop DMA. Just set a flag to notify Poll.
        uart6_dma_recv_end_flag = 1; // Notify Poll that new data arrived
    }

  /* USER CODE END USART6_IRQn 0 */
  HAL_UART_IRQHandler(&huart6);
  /* USER CODE BEGIN USART6_IRQn 1 */

  /* USER CODE END USART6_IRQn 1 */
}

/**
  * @brief This function handles TIM17 global interrupt.
  */
void TIM17_IRQHandler(void)
{
  /* USER CODE BEGIN TIM17_IRQn 0 */

  /* USER CODE END TIM17_IRQn 0 */
  HAL_TIM_IRQHandler(&htim17);
  /* USER CODE BEGIN TIM17_IRQn 1 */

  /* USER CODE END TIM17_IRQn 1 */
}

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */