dtu/Core/Src/database.c

#include "database.h"
#include "usart.h"

uint16_t PDA_pushArr[1024];

extern TipsFlag tipsflag;	
extern Menu_table menu;	


DatabaseLoc dbloc;
DatabaseEvent dbeve;
DatabaseLoc *dblocptr = &dbloc;
DatabaseEvent *dbeveptr = &dbeve;


/**
  * @breaf 数据库初始化
  * @Explanation 向各头部写入关键信息
  */
void Database_init(uint16_t pushsize_loc, uint16_t pullsize_loc,uint16_t pushsize_eve, uint16_t pullsize_eve)
{
	Flash_ReadBytes((uint16_t*)&(dblocptr->temp.loc_pushIndex),LocDbHeadStart,4);//读取loc头部是否发生写入
	if(dblocptr->temp.loc_pullIndex == 0xFFFF && dblocptr->temp.loc_pushIndex==0xFFFF)//未写入
	{
		dblocptr->headinfo.loc_pushIndex = 0;
		dblocptr->headinfo.loc_pullIndex = 0;
		dblocptr->headinfo.loc_pushSize = pushsize_loc;
		dblocptr->headinfo.loc_pullSize = pullsize_loc;
		Flash_WriteBytes((uint16_t*)&(dblocptr->headinfo),LocDbHeadStart,4);
	}
	else
	{
		//*高地址字节在前
		dblocptr->headinfo.loc_pushIndex = dblocptr->temp.loc_pushIndex;
		dblocptr->headinfo.loc_pullIndex = dblocptr->temp.loc_pushIndex;
		dblocptr->headinfo.loc_pushSize =  dblocptr->temp.loc_pushSize;
		dblocptr->headinfo.loc_pullSize =  dblocptr->temp.loc_pullSize;
	}

	
	
	
	Flash_ReadBytes((uint16_t*)&(dbeveptr->temp),EveDbHeadStart,4);//读取loc头部是否发生写入
	if(dbeveptr->temp.eve_pushIndex == 0xFFFF && dbeveptr->temp.eve_pullIndex ==0xFFFF)//未写入
	{
		dbeveptr->headinfo.eve_pushIndex = 0;
		dbeveptr->headinfo.eve_pullIndex = 0;
		dbeveptr->headinfo.eve_pushSize = pushsize_loc;
		dbeveptr->headinfo.eve_pullSize = pullsize_loc;
		Flash_WriteBytes((uint16_t*)&(dbeveptr->headinfo),EveDbHeadStart,4);
	}
	else
	{
		//*高地址字节在前
		dbeveptr->headinfo.eve_pushIndex = dbeveptr->temp.eve_pushIndex;
		dbeveptr->headinfo.eve_pullIndex = dbeveptr->temp.eve_pullIndex;
		dbeveptr->headinfo.eve_pushSize =  dbeveptr->temp.eve_pushSize;
		dbeveptr->headinfo.eve_pullSize =  dbeveptr->temp.eve_pullSize;
	}

}


HAL_StatusTypeDef PushSta;
//***************定位信息入库
void Database_Push(uint8_t ptr)
{
	if(ptr==0)//位置信息写入
	{
		if(dblocptr->headinfo.loc_pushIndex!=0)
		{
			Flash_ReadBytes((uint16_t*)&(dblocptr->temp.timeStamp),LocDbBodyStart + ((dblocptr->headinfo.loc_pushIndex-1)*14),7);//读取body信息
			if(dblocptr->temp.latitude == dblocptr->location.latitude)//相同纬度参数(包含未获取定位为0)
			{
				//*相同不做操作
			}
			else
			{
				Flash_WriteBytes((uint16_t*)&(dblocptr->location),LocDbBodyStart + (dblocptr->headinfo.loc_pushIndex*14),7);
				dblocptr->headinfo.loc_pushIndex+=1;
				Flash_WriteBytes((uint16_t*)&(dblocptr->headinfo),LocDbHeadStart,4);//更新刻度
			}
		}
		else
		{
				Flash_WriteBytes((uint16_t*)&(dblocptr->location),LocDbBodyStart,7);
				dblocptr->headinfo.loc_pushIndex+=1;
				Flash_WriteBytes((uint16_t*)&(dblocptr->headinfo),LocDbHeadStart,4);//更新刻度
		}
	}
	
}
//出库 7e0704002701820200777700060001000022000000000000000301cd8b7007278acd00000000000023051918174830011e310103b77e