NB-IOT开发笔记

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creat_main_task()   //调用初始化

VOID main_task(VOID)  //执行初始化
{	
	
		user_hw_init(); //用户设备初始化
#if defined USE_NB_NEUL95
	#define AT_DTLS 0
#if AT_DTLS
    sec_param_s sec;
    sec.pskid = "8677250300xxxxx";   你自己的
    sec.psk = "d1e1be0c05ac5b8c78ce1xxxxxxxxxx";    你自己的
#endif
    printf("rn=====================================================");
    printf("rnSTEP1: Init NB Module( NB Init )");
    printf("rn=====================================================rn");
#if AT_DTLS
    los_nb_init((const int8_t*)"49.4.85.xxx",(const int8_t*)"5684",&sec);    你自己的平台
#else
    los_nb_init((const int8_t*)"49.4.85.xxx",(const int8_t*)"5683",NULL);    你自己的平台
#endif
    los_nb_notify("+NNMI:",strlen("+NNMI:"),nb_cmd_data_ioctl,OC_cmd_match);   接受数据的函数
    LOS_TaskDelay(3000);    接受时延
    printf("rn=====================================================");
    printf("rnSTEP3: Report Data to Server( NB Report )");
    printf("rn=====================================================rn");
		
    nb_iot_entry();//   开始采集数据，上传数据
		
#endif
}

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int los_nb_notify(char* featurestr,int cmdlen, oob_callback callback, oob_cmd_match cmd_match)  
    //接受数据
{
    if(featurestr == NULL ||cmdlen <= 0 || cmdlen >= OOB_CMD_LEN - 1)
        return -1;
    return at.oob_register(featurestr,cmdlen, callback,cmd_match);
}

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int32_t nb_cmd_data_ioctl(void* arg, int8_t  * buf, int32_t len)   //控制灯
{
		int readlen = 0;
		char tmpbuf[1064] = {0};
    if (NULL == buf || len <= 0)
    {
        AT_LOG("param invailed!");
        return -1;
    }
				sscanf((char *)buf,"rn+NNMI:%d,%srn",&readlen,tmpbuf);
				memset(bc95_net_data.net_nmgr, 0, 30);
    if (readlen > 0)
    {  
				HexStrToStr((const unsigned char *)tmpbuf, (unsigned char *)bc95_net_data.net_nmgr,readlen*2);
    }
				AT_LOG("cmd is:%sn",bc95_net_data.net_nmgr);
		if(strcmp(bc95_net_data.net_nmgr,"ON")==0) //开灯
			{	
					HAL_GPIO_WritePin(Light_GPIO_Port,Light_Pin,GPIO_PIN_RESET);    //输出低电平
			}
		if(strcmp(bc95_net_data.net_nmgr,"OFF")==0) //关灯
			{	
					HAL_GPIO_WritePin(Light_GPIO_Port,Light_Pin,GPIO_PIN_SET);  // 输出高电平
			}
}

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VOID data_collection_task(VOID)
{
	UINT32 uwRet = LOS_OK;
	
	short int Lux;   
	Init_BH1750();									//初始化传感器
	OLED_ShowString(30,2,"Lux:",16);
	while (1)
  {

		printf("This is data_collection_task !rn");
		Lux=(int)Convert_BH1750();		//采集传感器信息
	  printf("rn******************************BH1750 Value is  %drn",Lux);
		
		sprintf(BH1750_send.Lux, "%5d", Lux);	  //把数据放到结构体
		
		OLED_ShowString(60,2,(uint8_t*)BH1750_send.Lux,16);

		uwRet=LOS_TaskDelay(1000);
		if(uwRet !=LOS_OK)
		return;
	
  }
}

VOID data_report_task(VOID)
{
	UINT32 uwRet = LOS_OK;

		while(1)
	{

		if(los_nb_report((const char*)(&BH1750_send),sizeof(BH1750_send))>=0)
            //发送数据到平台
				printf("ocean_send_data OK!n");    
		else 
			{
				printf("ocean_send_data Fail!n"); 
			}

	  uwRet=LOS_TaskDelay(1000);
		if(uwRet !=LOS_OK)
		return;
	}
}

void nb_iot_entry(void)   //调用采集数据
{
    UINT32 uwRet = LOS_OK;

    uwRet = creat_data_collection_task();
    if (uwRet != LOS_OK)
    {
        return ;
    }
		uwRet = creat_data_report_task();
    if (uwRet != LOS_OK)
    {
        return ;
    }
}