ESP8266 SNMP + MIB Browser

ESP8266 SNMP  +  MIB Browser


#include <ESP8266WiFi.h>
#include <WiFiUdp.h>
#include <Arduino_SNMP.h>

const char* ssid = "PTS-2F";
const char* password = "";

WiFiUDP udp;
SNMPAgent snmp = SNMPAgent("public");  // Starts an SMMPAgent instance with the community string 'public'

int changingNumber = 1;
int settableNumber1 = 0;
int settableNumber2 = 0;

void setup(){
    Serial.begin(115200);
    WiFi.begin(ssid, password);
    Serial.println("");

    // Wait for connection
    while (WiFi.status() != WL_CONNECTED) {
        delay(500);
        Serial.print(".");
    }
    Serial.println("");
    Serial.print("Connected to ");
    Serial.println(ssid);
    Serial.print("IP address: ");
    Serial.println(WiFi.localIP());
    
    // give snmp a pointer to the UDP object
    snmp.setUDP(&udp);
    snmp.begin();
    
    // add 'callback' for an OID - pointer to an integer
    snmp.addIntegerHandler(".1.3.6.1.4.1.5.0", &changingNumber);
    
    // Using your favourite snmp tool:
    // snmpget -v 1 -c public <IP> 1.3.6.1.4.1.5.0 
    
    // you can accept SET commands with a pointer to an integer (or string)
    snmp.addIntegerHandler(".1.3.6.1.4.1.2566.10.2.2.1.20.0.2", &settableNumber1, true);
    snmp.addIntegerHandler(".1.3.6.1.4.1.2566.10.2.2.1.20.0.9", &settableNumber2, true);
    //.1.3.6.1.4.1.2566.10.2.2.1.20.0.2
    //.1.3.6.1.4.1.2566.10.2.2.1.20.0.9
    // snmpset -v 1 -c public <IP> 1.3.6.1.4.1.5.0 i 99
    
}

void loop(){
    snmp.loop(); // must be called as often as possible
    if(snmp.setOccurred){
        if (settableNumber1!=0) {
           Serial.printf("Number has been set to value: %i", settableNumber1);
           settableNumber1=0 ; 
           }
        if (settableNumber2!=0) {
           Serial.printf("Number has been set to value: %i", settableNumber2); 
           settableNumber2=0 ; 
           }
        snmp.resetSetOccurred();
    }
    changingNumber++;
}

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