/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @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 "cmsis_os.h"
#include "adc.h"
#include "dma.h"
#include "i2c.h"
#include "tim.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
extern uint8_t dataReceive485[BUFFER_SIZE485];	// 485
extern uint16_t uartIRQ_rx_len ;	// 485串口接收数据长度
/* USER CODE END Includes */

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


/* USER CODE END PTD */

/* 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 -----------------------------------------------*/
void SystemClock_Config(void);
void MX_FREERTOS_Init(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
void uart_enable(void)
{	
		memset(dataReceive485, 0, sizeof(dataReceive485));
		__HAL_UART_ENABLE_IT(&huart1, UART_IT_IDLE);//使能IDLE中断
		
		HAL_UART_Receive_DMA(&huart1, dataReceive485, BUFFER_SIZE485);	
}

void Restart_UART1_DMA(void)
{
    HAL_UART_DMAStop(&huart1);  // 停止 DMA
    __HAL_UART_DISABLE_IT(&huart1, UART_IT_IDLE);  // 禁止 IDLE 中断
	
		uartIRQ_rx_len = 0;
	
    // 清空接收缓冲区
    memset(dataReceive485, 0, sizeof(dataReceive485));

    // 重新启动 DMA 接收
    HAL_UART_Receive_DMA(&huart1, dataReceive485, BUFFER_SIZE485);

    // 重新开启 IDLE 中断
    __HAL_UART_ENABLE_IT(&huart1, UART_IT_IDLE);
}
/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */
//	SCB ->VTOR = FLASH_BASE | 0x6800;
//	__set_PRIMASK(0);
  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */
//	SCB->VTOR = 0x08006800UL; /* 重定向中断向量表到 APP 起始地址 */
  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */
//	SCB ->VTOR = FLASH_BASE | 0x6800;
//	__set_PRIMASK(0);	

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_DMA_Init();
  MX_ADC1_Init();
  MX_TIM2_Init();
  MX_USART1_UART_Init();
  MX_USART2_UART_Init();
  MX_I2C2_Init();
  MX_TIM1_Init();
  MX_TIM15_Init();
  MX_TIM7_Init();
  /* USER CODE BEGIN 2 */

  /* USER CODE END 2 */

  /* Init scheduler */
  osKernelInitialize();  /* Call init function for freertos objects (in freertos.c) */
  MX_FREERTOS_Init();

  /* Start scheduler */
  osKernelStart();
  /* We should never get here as control is now taken by the scheduler */
  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */

  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Configure the main internal regulator output voltage
  */
  if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  RCC_OscInitStruct.PLL.PLLM = 1;
  RCC_OscInitStruct.PLL.PLLN = 10;
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
  RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
  RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */


/*
// 定义变量
uint32_t capture_rising = 0;  // 上升沿捕获值
uint32_t capture_falling = 0; // 下降沿捕获值
uint32_t pwm_period = 0;      // PWM 周期
uint32_t pwm_pulse_width = 0; // PWM 高电平时间
float duty_cycle = 0.0f;       // 占空比
float angle = 0.0f;            // 计算出的角度值

// 获取捕获极性的宏
#define GET_CAPTURE_POLARITY(htim, channel) \
    ((htim)->Instance->CCER & (TIM_CCER_CC1P << ((channel) - 1)))

void HAL_TIM_IC_CaptureCallback(TIM_HandleTypeDef *htim)
{
    if (htim->Instance == TIM1)
    {
        if (htim->Channel == HAL_TIM_ACTIVE_CHANNEL_1)
        {
            // 判断是上升沿还是下降沿触发
            if (GET_CAPTURE_POLARITY(htim, TIM_CHANNEL_1) == 0) // 上升沿触发
            {
                // 上升沿触发
                capture_rising = HAL_TIM_ReadCapturedValue(htim, TIM_CHANNEL_1);
                __HAL_TIM_SET_CAPTUREPOLARITY(htim, TIM_CHANNEL_1, TIM_INPUTCHANNELPOLARITY_FALLING); // 设置为下降沿触发
            }
            else // 下降沿触发
            {
                // 下降沿触发
                capture_falling = HAL_TIM_ReadCapturedValue(htim, TIM_CHANNEL_1);
                __HAL_TIM_SET_CAPTUREPOLARITY(htim, TIM_CHANNEL_1, TIM_INPUTCHANNELPOLARITY_RISING); // 设置为上升沿触发

                // 计算 PWM 周期和占空比
                if (capture_falling > capture_rising)
                {
                    pwm_pulse_width = capture_falling - capture_rising;
                }
                else
                {
                    pwm_pulse_width = (0xFFFF - capture_rising) + capture_falling; // 处理计数器溢出
                }

                // 计算 PWM 周期
                pwm_period = htim->Instance->ARR + 1; // 自动重装载值 + 1

                // 计算占空比
                duty_cycle = (float)pwm_pulse_width / (float)pwm_period * 100.0f;

                // 计算角度值（假设 PWM 占空比 0% 对应 0 度，100% 对应 360 度）
                angle = duty_cycle * 3.6f; // 1% 占空比对应 3.6 度

                // 打印结果
                printf("PWM Period: %lu, Pulse Width: %lu, Duty Cycle: %.2f%%, Angle: %.2f degrees\n",
                       pwm_period, pwm_pulse_width, duty_cycle, angle);
            }
        }
    }
}
*/

/* USER CODE END 4 */

/**
  * @brief  Period elapsed callback in non blocking mode
  * @note   This function is called  when TIM6 interrupt took place, inside
  * HAL_TIM_IRQHandler(). It makes a direct call to HAL_IncTick() to increment
  * a global variable "uwTick" used as application time base.
  * @param  htim : TIM handle
  * @retval None
  */
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
  /* USER CODE BEGIN Callback 0 */

  /* USER CODE END Callback 0 */
  if (htim->Instance == TIM6) {
    HAL_IncTick();
  }
  /* USER CODE BEGIN Callback 1 */

  /* USER CODE END Callback 1 */
}

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
