8000 First commit · useful-esp8266-lib/ESP8266Ping@bb6ef83 · GitHub
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‎examples/SimplePing/SimplePing.ino

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/*
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* This sketch sends data via HTTP GET requests to data.sparkfun.com service.
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*
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* You need to get streamId and privateKey at data.sparkfun.com and paste them
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* below. Or just customize this script to talk to other HTTP servers.
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*
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*/
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#include <ESP8266WiFi.h>
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#include <ESP8266Ping.h>
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const char* ssid = "ssid";
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const char* password = "passphrase";
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const IPAddress ping_dest(192, 168, 0, 1);
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void setup() {
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Serial.begin(115200);
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delay(10);
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// We start by connecting to a WiFi network
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Serial.println();
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Serial.println("Connecting to WiFi");
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WiFi.begin(ssid, password);
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while (WiFi.status() != WL_CONNECTED) {
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delay(100);
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Serial.print(".");
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}
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Serial.println();
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Serial.print("WiFi connected with ip ");
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Serial.println(WiFi.localIP());
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if(Ping.ping(ping_dest)) {
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Serial.println("Success!!");
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} else {
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Serial.println("Error :(");
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}
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}
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void loop() { }

‎keywords.txt

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#######################################
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# Syntax Coloring Map For ESP8266Ping
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#######################################
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#######################################
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# Library (KEYWORD3)
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#######################################
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ESP8266Ping KEYWORD3
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#######################################
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# Datatypes (KEYWORD1)
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#######################################
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Ping KEYWORD1
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#######################################
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# Methods and Functions (KEYWORD2)
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#######################################
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ping KEYWORD2
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#######################################
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# Constants (LITERAL1)
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#######################################
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‎library.properties

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name=ESP8266Ping
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version=1.0
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author=Daniele Colanardi
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maintainer=Daniele Colanardi <dancol90@gmail.com>
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sentence=Let the ESP8266 ping a remote machine.
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paragraph=With this library an ESP8266 can ping a remote machine and know if it's reachable. It provide some basic measurements on ping messages (avg response time).
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category=Communication
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url=
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architectures=esp8266

‎src/ESP8266Ping.cpp

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#include "ESP8266Ping.h"
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extern "C" void esp_schedule();
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extern "C" void esp_yield();
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PingClass::PingClass() {}
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bool PingClass::ping(IPAddress dest, byte count) {
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_expected_count = count;
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_errors = 0;
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_success = 0;
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_avg_time = 0;
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memset(&_options, 0, sizeof(struct ping_option));
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// Repeat count (how many time send a ping message to destination)
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_options.count = count;
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// Time interval between two ping (seconds??)
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_options.coarse_time = 1;
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// Destination machine
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_options.ip = dest;
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// Callbacks
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_options.recv_function = reinterpret_cast<ping_recv_function>(&PingClass::_ping_recv_cb);
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_options.sent_function = NULL; //reinterpret_cast<ping_sent_function>(&_ping_sent_cb);
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// Let's go!
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if(ping_start(&_options)) {
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// Suspend till the process end
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esp_yield();
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}
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return (_success > 0);
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}
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void PingClass::_ping_recv_cb(void *opt, void *resp) {
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// Cast the parameters to get some usable info
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ping_resp* ping_resp = reinterpret_cast<struct ping_resp*>(resp);
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ping_option* ping_opt = reinterpret_cast<struct ping_option*>(opt);
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// Error or success?
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if (ping_resp->ping_err == -1)
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_errors++;
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else {
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_success++;
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_avg_time += ping_resp->resp_time;
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}
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// Some debug info
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DEBUG_PING(
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"DEBUG: ping reply\n"
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"\ttotal_count = %d \n"
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"\tresp_time = %d \n"
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"\tseqno = %d \n"
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"\ttimeout_count = %d \n"
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"\tbytes = %d \n"
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"\ttotal_bytes = %d \n"
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"\ttotal_time = %d \n"
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"\tping_err = %d \n",
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ping_resp->total_count, ping_resp->resp_time, ping_resp->seqno,
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ping_resp->timeout_count, ping_resp->bytes, ping_resp->total_bytes,
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ping_resp->total_time, ping_resp->ping_err
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);
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// Is it time to end?
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// Don't using seqno because it does not increase on error
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if (_success + _errors == _expected_count) {
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_avg_time = _avg_time / _expected_count;
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DEBUG_PING("Avg resp time %d ms\n", _avg_time);
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// Done, return to main functiom
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esp_schedule();
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}
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}
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byte PingClass::_expected_count = 0;
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byte PingClass::_errors = 0;
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byte PingClass::_success = 0;
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int PingClass::_avg_time = 0;
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PingClass Ping;

‎src/ESP8266Ping.h

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#ifndef ESP826Ping_H
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#define ESP826Ping_H
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#include <Arduino.h>
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#include <ESP8266WiFi.h>
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extern "C" {
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#include <ping.h>
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}
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#define DEBUG_PING(...) Serial.printf(__VA_ARGS__)
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//#define DEBUG_PING(...)
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class PingClass {
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public:
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PingClass();
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bool ping(IPAddress dest, byte count = 5);
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protected:
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static void _ping_sent_cb(void *opt, void *pdata);
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static void _ping_recv_cb(void *opt, void *pdata);
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IPAddress _dest;
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ping_option _options;
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static byte _expected_count, _errors, _success;
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static int _avg_time;
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};
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extern PingClass Ping;
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#endif

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