OneNet气象站应用

目的

本教程将实现一个气象站的应用，设备把温湿度上传到OneNet，同时OneNet可控制设备上的LED灯亮灭

所用模块

主代码

主程序为建立类似应用的模板，大部分情况不用改动

/***
 * 资源ID表：
 *  http://www.openmobilealliance.org/wp/OMNA/LwM2M/LwM2MRegistry.html
 ***/
#include <NBIOTAT.h>
#include "userDef.h"
#include "lwm2mObjs.h"

#ifdef OLEDDisplay
#include "oled.h"
#endif

void setup()
{
	Serial.begin(UARTSPEED);
	nbiotSerial.begin(UARTSPEED);
	pinMode(LED_Pin, OUTPUT);
#ifdef OLEDDisplay
	u8g2.begin();
#endif

#ifdef OLEDDisplay
	showOLED(str_imei, str_imsi, "SIM Ready", rssi);
#endif
	//检查SIM卡是否识别
	while (!nbiot.isSIMReady())
	{
		Serial.println("SIM ERROR");
		delay(2000);
	}
	Serial.println("SIM OK");
#ifdef OLEDDisplay
	showOLED(str_imei, str_imsi, "SIM OK", rssi);
#endif
	//获取IMEI
	strcpy(str_imei, nbiot.queryIMEI());
	Serial.print("IMEI:");
	Serial.println(str_imei);
#ifdef OLEDDisplay
	showOLED(str_imei, str_imsi, "IMEI", rssi);
#endif
	//获取IMSI
	strcpy(str_imsi, nbiot.queryCIMI());
	Serial.print("IMSI:");
	Serial.println(str_imsi);
#ifdef OLEDDisplay
	showOLED(str_imei, str_imsi, "IMSI", rssi);
#endif
	//获取频段
	Serial.print("band:");
	Serial.println(nbiot.queryNband());
#ifdef OLEDDisplay
	showOLED(str_imei, str_imsi, "Attach...", rssi);
#endif
	//等待附着基站...
	Serial.println("Waitting for Attaching");
	while (!nbiot.queryCGATT())
	{
		Serial.print(".");
		delay(3000);
	}
	Serial.println();
	Serial.println("Attach OK");
#ifdef OLEDDisplay
	showOLED(str_imei, str_imsi, "Attach OK", rssi);
#endif
	//获取信号强度
	rssi = nbiot.queryCSQ();
	Serial.print("rssi:");
	Serial.println(rssi);
	//用户自定义OneNet资源列表
	prv_create_lwm2m_objs();
#ifdef OLEDDisplay
	showOLED(str_imei, str_imsi, "custom Objs", rssi);
#endif
	//关闭Socket
	Serial.print("close:");
	Serial.println(nbiot.MIPLCLOSE(refId));
	//删除资源列表
	Serial.print("delete:");
	Serial.println(nbiot.MIPLDELETE(refId));
	//创建socket
	refId = nbiot.MIPLCREATE();
	Serial.print("refId:");
	Serial.println(refId);
#ifdef OLEDDisplay
	showOLED(str_imei, str_imsi, "Create", rssi);
#endif
	//上传资源列表到OneNet
	nbiot.uploadResourceList();
#ifdef OLEDDisplay
	showOLED(str_imei, str_imsi, "upload", rssi);
#endif
	//初始化上报信息
	initNotifyToOneNet();
#ifdef OLEDDisplay
	showOLED(str_imei, str_imsi, "init", rssi);
#endif
}

void loop()
{
	//设置生命周期为永远
	nbiot.lifeForever();
	//接收消息启动
	nbiot.reciverEnable();
	// 如果有写操作下发
	if (nbiot.writeClicked())
	{
		//执行写操作相应功能
		writeAction(&nbiot.oneNetMessage);
#ifdef OLEDDisplay
		showOLED(str_imei, str_imsi, "write", rssi);
#endif
	}
	// 如果有读操作下发
	if (nbiot.readClicked())
	{
		//执行读操作相应功能
		readAction(&nbiot.oneNetMessage);
#ifdef OLEDDisplay
		showOLED(str_imei, str_imsi, "read", rssi);
#endif
	}
	//间隔执行上报信息操作
	if (timerlastTime > millis())
		timerlastTime = millis();
	if (millis() - timerlastTime > INTERVAL_timer)
	{
		//更新温湿度并上报
		tempHumiUpdate();
#ifdef OLEDDisplay
		showOLED(str_imei, str_imsi, "notify", rssi);
#endif
		timerlastTime = millis();
	}
}

用户自定义代码

lwm2mObjs.h

#include <Microduino_Tem_Hum.h>

const static uint16_t TemperatureSensorID = 3303;
const static uint16_t HumiditySensorID = 3304;
const static uint16_t LightControlID = 3311;

const static uint16_t OnOff = 5850;
const static uint16_t Dimmer = 5851;
const static uint16_t SensorValue = 5700;
const static uint16_t MinRangeValue = 5603;
const static uint16_t SensorUnits = 5701;
const static uint16_t ResetMinMaxMeasuredValues = 5605;

const static uint8_t LED_Pin = D6;

int dimmerValue = 0;

static const uint16_t const_AttrIds_tempHumi[] = {
    SensorValue, MinRangeValue, SensorUnits};
static const cis_datatype_t const_AttrType_tempHumi[] = {
    cis_data_type_float,
    cis_data_type_float,
    cis_data_type_string,
};
static const uint16_t const_ActIds_tempHumi[] = {
    ResetMinMaxMeasuredValues};

static const uint16_t const_AttrIds_LED[] = {
    OnOff, Dimmer};
static const cis_datatype_t const_AttrType_LED[] = {
    cis_data_type_bool,
    cis_data_type_integer};

Tem_Hum_S2 termo;
float temptureValue = 0.00;
float humidityValue = 0.00;
float tempHumiMinValue= 6.00;

LWM2MObject tempture;
LWM2MObject humidity;
LWM2MObject LEDContorl;

LWM2MObject *tempP;
LWM2MObject *humiP;
LWM2MObject *LEDContorlP;

void prv_create_lwm2m_objs()
{
    termo.begin();

    st_resource res_tempHumi = {
        .attrListPtr = const_AttrIds_tempHumi,
        .attrListTyp = const_AttrType_tempHumi,
        .attrCount = sizeof(const_AttrIds_tempHumi) / sizeof(uint16_t),
        .actListPtr = const_ActIds_tempHumi,
        .actCount = sizeof(const_ActIds_tempHumi) / sizeof(uint16_t),
    };

    st_resource res_LED = {
        .attrListPtr = const_AttrIds_LED,
        .attrListTyp = const_AttrType_LED,
        .attrCount = sizeof(const_AttrIds_LED) / sizeof(uint16_t),
        .actListPtr = NULL,
        .actCount = 0,
    };

    tempture.objId = TemperatureSensorID;
    tempture.insCount = 1;
    tempture.insBitmap = 1;
    tempture.resArray = &res_tempHumi;

    humidity.objId = HumiditySensorID;
    humidity.insCount = 1;
    humidity.insBitmap = 1;
    humidity.resArray = &res_tempHumi;

    LEDContorl.objId = LightControlID;
    LEDContorl.insCount = 1;
    LEDContorl.insBitmap = 1;
    LEDContorl.resArray = &res_LED;

    tempP = nbiot.createLWM2MObj(&tempture);
    humiP = nbiot.createLWM2MObj(&humidity);
    LEDContorlP = nbiot.createLWM2MObj(&LEDContorl);
}

void initNotifyToOneNet()
{
    nbiot.MIPLNOTIFY(tempture.msgId, tempture.objId, 0, SensorUnits, "`C");
    nbiot.MIPLNOTIFY(humidity.msgId, humidity.objId, 0, SensorUnits, "precent");
}

void tempHumiUpdate()
{
        Serial.println("start notify...");
        temptureValue = termo.getTemperature();
        humidityValue = termo.getHumidity();
        Serial.println(temptureValue);
        Serial.println(humidityValue);
        Serial.println(nbiot.MIPLNOTIFY(tempture.msgId, tempture.objId, 0, SensorValue, temptureValue));
        Serial.println(nbiot.MIPLNOTIFY(humidity.msgId, humidity.objId, 0, SensorValue, humidityValue));
}


void writeAction(messageLWM2M* message)
{
    switch (message->objId)
    {
    case LightControlID: //led control
        switch (message->resId)
        {
        case OnOff:
            if (nbiot.valueToBool(message->value))
            {
                digitalWrite(LED_Pin, HIGH);
                nbiot.UPDATEOneNet(LEDContorl.msgId, true);
            }
            else
            {
                digitalWrite(LED_Pin, LOW);
                nbiot.UPDATEOneNet(LEDContorl.msgId, false);
            }
            break;
        case Dimmer:
            dimmerValue = nbiot.valueToInt(message->value);
            Serial.print("dimmer:");
            Serial.println(dimmerValue);
            nbiot.UPDATEOneNet(LEDContorl.msgId, dimmerValue);
            break;
        default:
            Serial.println("no such res");
        }
    case TemperatureSensorID: //tempture
        //TODO it
        break;
    default:
        Serial.println("no such obj ID");
    }

    //write action finish
	nbiot.writeDone();
}

void readAction(messageLWM2M* message)
{
    switch (message->objId)
    {
    case TemperatureSensorID:  //tempture
        if(MinRangeValue==message->resId) {
            nbiot.MIPLREADRSP(tempHumiMinValue);
            nbiot.UPDATEOneNet(tempture.msgId, tempHumiMinValue);
        }
        break;
    case HumiditySensorID: //humidity
        if(MinRangeValue==message->resId) {
            nbiot.MIPLREADRSP(tempHumiMinValue);
            nbiot.UPDATEOneNet(humidity.msgId, tempHumiMinValue);
        }
        break;
    default:
        Serial.println("no such obj ID");
    }

    //write action finish
	nbiot.readDone();
}

userDef.h

#define UARTSPEED 9600
#define INTERVAL_timer 5000

unsigned long timerlastTime = millis();

uint8_t refId = 1;

#include <SoftwareSerial.h>
SoftwareSerial softSerial(4, 5); /* RX:D4, TX:D5 */
#define nbiotSerial softSerial
// #define nbiotSerial Serial1

NBIOTAT nbiot(&nbiotSerial);

char str_imei[16] = "XXXXXXXXX";
char str_imsi[16] = "XXXXXXXXX";

int rssi=99;

#define OLEDDisplay

oled.h

#include <U8g2lib.h>
//Hardware I2C
U8G2_SSD1306_128X64_NONAME_1_HW_I2C u8g2(U8G2_R0);
void showOLED(char* str_imei, char* str_imsi, char* str_stat, int rssi) {
    u8g2.firstPage();
    do {
        u8g2.setFont(u8g2_font_6x10_mr);
        u8g2.setCursor(0, 20);
        u8g2.print("imei:");
        u8g2.setCursor(30, 20);
        u8g2.print(str_imei);
        u8g2.setCursor(0, 30);
        u8g2.print("imsi:");
        u8g2.setCursor(30, 30);
        u8g2.print(str_imsi);
        u8g2.setCursor(0, 40);
        u8g2.print("stat:");
        u8g2.setCursor(40, 40);
        u8g2.print(str_stat);
        u8g2.setCursor(0, 50);
        u8g2.print("rssi:");
        u8g2.setCursor(40, 50);
        u8g2.print(rssi);
    } while ( u8g2.nextPage() );
}

注意问题

确保附近有NB基站
确保使用的SIM为NB的SIM卡
确保IDE为最新版本
在loop里不要定义String类型的变量

OneNet气象站应用

目录

目的

所用模块

主代码

用户自定义代码

注意问题

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