/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2026 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 "adc.h"
#include "tim.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "miscdev.h"
#include "sht20.h"
#include "ds18b20.h"
#include "isl1208.h"
#include "oled_drv.h"
#include "oled_font.h"
/* 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);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

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

/**
 * @brief  OLED显示时间
 */
void oled_show_time(void)
{
  rtc_time_t  tm;
  char buf[64];

  /* 获取RTC时间并保存到 buf */
  isl1208_get_time(&tm);
  snprintf(buf, sizeof(buf), "20%02d-%02d-%02d %02d:%02d:%02d",
            tm.year, tm.month, tm.day,
            tm.hour, tm.minute, tm.second);

  /* 输出显示内容 OLED 屏幕上 */
  OLED_Clear();
  OLED_ShowString(10, OLED_PAGE2, buf, OLED_FONT8);
  OLED_Refresh();

  return;
}

void oled_show_rh(void)
{
  float temperature = 0.0;
  float humidity = 0.0;
  char  buf[64];

  /* 采样并输出显示内容到 buf */
  sht20_sample_TrH(&temperature, &humidity);
  snprintf(buf, sizeof(buf), "%.2f'C  %.2f%%RH", temperature, humidity);

  /* 输出显示内容 OLED 屏幕上 */
  OLED_Clear();
  OLED_ShowString(10, OLED_PAGE2, buf, OLED_FONT8);
  OLED_Refresh();

  return;
}

void oled_show_logo(void)
{
  /* 输出显示内容 OLED 屏幕上 */
  OLED_Clear();
  OLED_DrawBMP(0, OLED_PAGE0, BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, bmp_logo);
  OLED_Refresh();

  return;
}

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{

  /* USER CODE BEGIN 1 */
  float temperature;
  /* 各个任务的计时基准 */
  uint32_t now = 0;
  uint32_t last_time_tick = 0;
  uint32_t last_rh_tick = 0;
  uint32_t last_logo_tick = 0;
  uint32_t display_unlock_time = 0;

  /* USER CODE END 1 */

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

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

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

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

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_USART1_UART_Init();
  MX_ADC1_Init();
  MX_TIM6_Init();
  MX_TIM1_Init();
  /* USER CODE BEGIN 2 */
  init_led();
  i2c_init(&i2c1_bus);

  beep_start(2, 300);
  printf("ISKBoard: I2C Bitbang Drivers Demo.\r\n");

  if( sht20_init(&i2c1_bus) != 0 )
  {
      printf("SHT20 Sensor init failed!\r\n");
  }

  if( isl1208_init(&i2c1_bus) != 0 )
  {
      printf("ISL1208 RTC init failed!\r\n");
  }
  isl1208_set_time_str("2026-07-09 21:15:30");

  if( OLED_Init(&i2c1_bus) != 0 )
  {
      printf("OLED display init failed!\r\n");
  }

  OLED_Clear();
  OLED_ShowString(30, OLED_PAGE2, "ISKBoard", OLED_FONT16);
  OLED_Refresh();

  ds18b20_sample(&temperature);
  printf("DS18B20 sample temperature: %.2f'C\r\n", temperature);

  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* 获取当前系统时间 */
    now = HAL_GetTick();

    /* 心跳灯任务：不需要锁屏，始终高频调用 */
    heartbeat_led(3);

    /* 检查屏幕是否处于“锁定”状态 (正在显示温湿度或Logo) */
    if (now >= display_unlock_time)
    {
        /* 优先检查是否有高优先级任务触发 (Logo -> 温湿度) */
        uint8_t is_displaying = 0;

        /* 每隔 13s 显示 Logo，持续 1s */
        if (now - last_logo_tick >= 13000)
        {
            oled_show_logo();          // 执行显示
            last_logo_tick = now;      // 重置Logo计时器
            display_unlock_time = now + 1000;
            is_displaying = 1;
        }

        /* 如果Logo刚显示了，本轮跳过温湿度 */
        else if (now - last_rh_tick >= 5000)
        {
            oled_show_rh();            // 执行显示
            last_rh_tick = now;        // 重置温湿度计时器
            display_unlock_time = now + 2000; // 锁屏 2s
            is_displaying = 1;
        }

        /* 如果上面都没有显示特殊内容，则显示时间 */
        if (is_displaying == 0)
        {
            if (now - last_time_tick >= 1000)
            {
                oled_show_time();      // 执行显示
                last_time_tick = now;  // 重置时间计时器
            }
        }
    }

    /* 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_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLM = 1;
  RCC_OscInitStruct.PLL.PLLN = 20;
  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 */

/* USER CODE END 4 */

/**
  * @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 */