/**
  ******************************************************************************
  * @file           : main.c
	* @author  				: zsq
	* @version 				: V1.0
	* @date    				: 2019-06-27
  * @brief          : Main program body
  ******************************************************************************
    * @attention
  *
  * Copyright (c) 2019 YUNHORN(Shenzhen YunHorn Technology Co., Ltd
  * All rights reserved.
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "main.h"
#include "bsp_usart.h"
#include "bsp_tim.h"
#include "usart_dma.h"
#include "sht3x.h"
#include "system.h"
#include "user_sensor.h"
#include "user_mqtt.h"
#include "fifo.h"

#ifdef USE_LORA
#include "user_lora.h"
#endif
#ifdef USE_WIFI
	#include "user_wifi.h"
#endif


/** @addtogroup STM32F0xx_StdPeriph_Templates
  * @{
  */

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/

//传感器数据定义
SensorDataTypeDef sensorData;
extern volatile uint8_t WifiConfigState;

extern __IO uint8_t WORK_STATE;
extern __IO uint8_t TIMER_COUNTER;
extern __IO uint8_t LORA_STATE;

uint8_t NH3_Buffer[NH3_BUF_LEN];						//NH3接收Buffer
uint8_t CH2O_Buffer[CH2O_BUF_LEN];					//CH2O接收Buffer
uint8_t PM25_Buffer[PM25_BUF_LEN];					//PM25接收Buffer
uint8_t H2S_Buffer[H2S_BUF_LEN];						//H2S接收Buffer
uint8_t CO2_Buffer[CO2_BUF_LEN];						//CO2接收Buffer
uint8_t WIFI_Buffer[WIFI_BUF_LEN];					//WIFI接收Buffer
uint8_t loraNode_Buffer[LoraNode_BUF_LEN]; 	//LORA接收Buffer
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/**
  * @brief  Main program.
  * @param  None
  * @retval None
  */
int main(void)
{
	/* 配置系统时钟
     */
	RCC_DeInit();
	RCC_HSEConfig(RCC_HSE_ON);
	ErrorStatus HSEStartUpStatus = RCC_WaitForHSEStartUp();
	if(HSEStartUpStatus == SUCCESS)
	{
		FLASH_PrefetchBufferCmd(ENABLE);
		FLASH_SetLatency(FLASH_Latency_1);
		RCC_PREDIV1Config(RCC_PREDIV1_Div1);
		RCC_PLLConfig(RCC_PLLSource_PREDIV1,RCC_PLLMul_3);
		RCC_PLLCmd(ENABLE);
		while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)
		{
		}
		RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
		while(RCC_GetSYSCLKSource() != 0x08)
		{
		}
		RCC_HCLKConfig(RCC_SYSCLK_Div1);
		RCC_PCLKConfig(RCC_HCLK_Div1);
		RCC_USARTCLKConfig(RCC_USART1CLK_PCLK);
		RCC_USARTCLKConfig(RCC_USART2CLK_PCLK);
		RCC_USARTCLKConfig(RCC_USART3CLK_PCLK);
		RCC_I2CCLKConfig(RCC_I2C1CLK_SYSCLK);
		RCC_USBCLKConfig(RCC_USBCLK_PLLCLK);
	}
	
	//设置系统滴答定时器
	SysTickConfig();
	
	//获取系统时钟配置
//	RCC_ClocksTypeDef get_rcc_clock;
//	RCC_GetClocksFreq(&get_rcc_clock);
	
	//串口时钟配置
	USART_RCC_Configuration();
	//初始化GPIO	
	GPIO_Configuration();
	//初始化串口配置	
	USART_Configuration();
	//配置中断向量
	NVIC_Configuration();
	
	#ifdef USE_WIFI
		EXTI_Button_Config();
		RingBuff_Init();//初始化环形缓冲区
	#endif
	
	//LORA模块复位
	DelayMs(100);
	GPIO_ResetBits(LORA_RST_PORT,LORA_RST_PIN);
	DelayMs(100);
	GPIO_SetBits(LORA_RST_PORT,LORA_RST_PIN);

	//串口DMA配置
	USARTx_DMA_CONFIG();
	//定时器配置
	TIMx_Configuration();
	//延时等待传感器上电初始化
	Delay(3000);
	//传感器模式设置
	SensorSet();

	//开启独立看门狗
	IWDG_Config(IWDG_Prescaler_256,4095);
	#ifdef DEBUG
			printf("DEBUG Test\r\n");
	#endif
	

  /* Infinite loop */
  while(1)
  {
		#ifdef USE_WIFI
			//配置WIFI
			Check_WifiConfigState();
		#endif
		
		if(WORK_STATE == ENABLE)
		{
			switch(TIMER_COUNTER)
			{
				case CONFIG:
					NetConfig();
					break;
				case STATE:
					CheckState();
					break;
				case SEND:
					DataSend();
					break;
			}
			//
			WORK_STATE = DISABLE;
		}
		//喂狗
		IWDG_Feed();
	}
}

void IWDG_Config(uint8_t prv ,uint16_t rlv)
{	
	// 使能 预分频寄存器PR和重装载寄存器RLR可写
	IWDG_WriteAccessCmd( IWDG_WriteAccess_Enable );
	
	// 设置预分频器值
	IWDG_SetPrescaler( prv );
	
	// 设置重装载寄存器值
	IWDG_SetReload( rlv );
	
	// 把重装载寄存器的值放到计数器中
	IWDG_ReloadCounter();
	
	// 使能 IWDG
	IWDG_Enable();	
}

// 喂狗
void IWDG_Feed(void)
{
	// 把重装载寄存器的值放到计数器中，喂狗，防止IWDG复位
	// 当计数器的值减到0的时候会产生系统复位
	IWDG_ReloadCounter();
}

void DataSend(void)
{
	//获取传感器数据
	GetSensorData(&sensorData);
	//解析传感器数据
	AnalysisSensorData(&sensorData,NH3_Buffer,H2S_Buffer
											,CH2O_Buffer,PM25_Buffer,CO2_Buffer);
	//发送传感器数据
	SensorDataSend(&sensorData);
}
void CheckState(void)
{
	#ifdef USE_WIFI
		CheckState_Wifi();
	#endif
	
	#ifdef USE_LORA
		CheckState_Lora();
	#endif
}

void NetConfig(void)
{
	#ifdef USE_WIFI
		NetConfig_Wifi();
	#endif
	
	#ifdef USE_LORA
	if(LORA_STATE == LORA_JOINED)
	{
		NetConfig_Lora();
	}
	#endif
}

#ifdef DEBUG
//输出重定向 DEBUG_USART
int fputc(int ch, FILE *f)
{
   USART_SendData(DEBUG_USART,(uint8_t)ch);
   while((USART_GetFlagStatus(DEBUG_USART,USART_FLAG_TXE) == RESET))
   {
   }
   return ch;
}
#endif
#ifdef USE_LORA
//输出重定向 LORA_USART
int fputc(int ch, FILE *f)
{
   USART_SendData(LORA_USART,(uint8_t)ch);
   while((USART_GetFlagStatus(LORA_USART,USART_FLAG_TXE) == RESET))
   {
   }
   return ch;
}
#endif



#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 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) */

  /* Infinite loop */
  while (1)
  {
  }
}
#endif

/**
  * @}
  */


/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/