/* USER CODE BEGIN Header */
/**
 ******************************************************************************
 * @file    stm32f1xx_it.c
 * @brief   Interrupt Service Routines.
 ******************************************************************************
 * @attention
 *
 * Copyright (c) 2024 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 "stm32f1xx_it.h"
#include "main.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "schedule.h"
#include "stm32f103xe.h"
#include "stm32f1xx_ll_usart.h"
#include "uart_interface.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 PCD_HandleTypeDef  hpcd_USB_FS;
extern CAN_HandleTypeDef  hcan;
extern UART_HandleTypeDef huart3;
/* USER CODE BEGIN EV */

/* USER CODE END EV */

/******************************************************************************/
/*           Cortex-M3 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 */

    /* 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 Prefetch 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 System service call via SWI instruction.
 */
void SVC_Handler(void)
{
    /* USER CODE BEGIN SVCall_IRQn 0 */

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

    /* USER CODE END SVCall_IRQn 1 */
}

/**
 * @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 */
}

/**
 * @brief This function handles Pendable request for system service.
 */
void PendSV_Handler(void)
{
    /* USER CODE BEGIN PendSV_IRQn 0 */

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

    /* USER CODE END PendSV_IRQn 1 */
}

/**
 * @brief This function handles System tick timer.
 */
void SysTick_Handler(void)
{
    /* USER CODE BEGIN SysTick_IRQn 0 */

    /* USER CODE END SysTick_IRQn 0 */
    HAL_IncTick();
    /* USER CODE BEGIN SysTick_IRQn 1 */
    schedule_clock();
    uart_rx_ticks();
    /* USER CODE END SysTick_IRQn 1 */
}

/******************************************************************************/
/* STM32F1xx 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_stm32f1xx.s).                    */
/******************************************************************************/

/**
 * @brief This function handles USB high priority or CAN TX interrupts.
 */
void USB_HP_CAN1_TX_IRQHandler(void)
{
    /* USER CODE BEGIN USB_HP_CAN1_TX_IRQn 0 */

    /* USER CODE END USB_HP_CAN1_TX_IRQn 0 */
    HAL_CAN_IRQHandler(&hcan);
    HAL_PCD_IRQHandler(&hpcd_USB_FS);
    /* USER CODE BEGIN USB_HP_CAN1_TX_IRQn 1 */

    /* USER CODE END USB_HP_CAN1_TX_IRQn 1 */
}

/**
 * @brief This function handles USB low priority or CAN RX0 interrupts.
 */
void USB_LP_CAN1_RX0_IRQHandler(void)
{
    /* USER CODE BEGIN USB_LP_CAN1_RX0_IRQn 0 */

    /* USER CODE END USB_LP_CAN1_RX0_IRQn 0 */
    HAL_CAN_IRQHandler(&hcan);
    HAL_PCD_IRQHandler(&hpcd_USB_FS);
    /* USER CODE BEGIN USB_LP_CAN1_RX0_IRQn 1 */

    /* USER CODE END USB_LP_CAN1_RX0_IRQn 1 */
}

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

    uint32_t isrflags = READ_REG(USART1->SR);
    uint32_t cr1its   = READ_REG(USART1->CR1);
    // 接收中断处理
    if ((isrflags & USART_SR_RXNE) != RESET)
    {
        CLEAR_BIT(USART1->SR, USART_SR_RXNE);

        uart_msg.rx_over_time_count = 0;
        uart_msg.disconnect_count   = 0;
        uart_msg.disconnect_flg     = 0;

        if (uart_msg.rx_count_u8 >= RX_TX_BUF_LEN)
        {
            uart_msg.rx_count_u8 = 0;
        }

        uart_msg.rx[uart_msg.rx_count_u8++] = LL_USART_ReceiveData8(USART1);
    }

    // 发送中断处理
    if (((isrflags & USART_SR_TXE) != RESET) && (cr1its & USART_CR1_TXEIE) != RESET)
    {
        CLEAR_BIT(USART1->SR, USART_SR_TXE);

        LL_USART_TransmitData8(USART1, uart_msg.tx[uart_msg.tx_count_u8++]);

        if (uart_msg.tx_count_u8 >= uart_msg.tx_len)
        {
            CLEAR_BIT(USART1->CR1, USART_CR1_TXEIE);
            /* 使能数据发送完毕中断 */
            SET_BIT(USART1->CR1, USART_CR1_TCIE);
        }
    }

    // 发送完成中断
    if (((isrflags & USART_SR_TC) != RESET) && ((cr1its & USART_CR1_TCIE) != RESET))
    {
        CLEAR_BIT(USART1->CR1, USART_CR1_TCIE);

        SET_BIT(USART1->CR1, USART_CR1_RXNEIE);
    }

    // 发送错误
    if ((isrflags & USART_SR_ORE) != RESET)
        CLEAR_BIT(USART1->SR, USART_SR_ORE);

    /* USER CODE END USART1_IRQn 0 */
    /* 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 */
    /* 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 */
}

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */