PingTest.ino

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// EtherDune ICMP Ping example
// Author: Javier Peletier <jm@friendev.com>
// Summary: Demonstrates how to use ICMPPinger and ICMPPingAutoReply classes
//
// Copyright (c) 2015 All Rights Reserved, http://friendev.com
//
// This source is subject to the GPLv2 license.
// Please see the License.txt file for more information.
// All other rights reserved.
//
// THIS CODE AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY 
// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.



#include <ACross.h>
#include <Checksum.h>
#include <UDPSocket.h>
#include <inet.h>
#include <ENC28J60.h>
#include <FlowScanner.h>
#include <ICMPPingAutoReply.h>
#include <ICMPPinger.h>
#include <DHCP.h>

#define AC_LOGLEVEL 6
#include <ACLog.h>
ACROSS_MODULE("PingTest");

static const uint8_t CS_PIN = 10; //Put here what pin you are using for your ENC28J60's chip select
static MACAddress_P mymac = { 0x66, 0x72, 0x69, 0x65, 0x6e, 0x64 };

// Instantiate the DHCP service
DHCP dhcp;

// Instantiate ICMPPingAutoReply service, takes care of replying to incoming echo requests. No other action is necessary.
ICMPPingAutoReply pingAutoReply; 

class ICMPHandler : ICMPPinger
{
    static const uint8_t PING_PERIOD = NTICKS(1000); //ms
    uint8_t timer;
    IPAddress target;

    void onPingReply(uint16_t time)
    {
        printf_P(PSTR("Reply from %d.%d.%d.%d: bytes=%d time=%dms TTL=%d\n"),
            packet.ip.sourceIP.b[0], packet.ip.sourceIP.b[1], packet.ip.sourceIP.b[2], packet.ip.sourceIP.b[3],
            packet.ip.totalLength - sizeof(IPHeader) - sizeof(ICMPHeader),
            time, packet.ip.TTL);

    }

    void tick()
    {
        timer--;

        if (timer == 0)
        {
            timer = PING_PERIOD;
            ping(target);
        }


        ICMPPinger::tick();
    }

public:
    void start(const IPAddress& targetIP)
    {
        timer = 1;
        target = targetIP;
        tick();
    }


}pingTest;


void setup()
{

    Serial.begin(115200);
    ACross::init();
#ifdef ACROSS_ARDUINO
    ACross::printf_serial_init();
#endif

    printf_P(PSTR("ICMP Ping EtherDune sample\n"));
    printf_P(PSTR("Free RAM: %d"),ACross::getFreeRam());
    printf_P(PSTR("Press any key to start...\n"));

    while (!Serial.available());
    
    net::localMAC = mymac;

    if (!net::begin(CS_PIN))
        ACERROR("failed to start EtherDune");

    ACINFO("waiting for link...");

    while (!net::isLinkUp());

    ACINFO("link is up");


    if (!dhcp.dhcpSetup())
    {
        printf_P(PSTR("DHCP setup failed\n"));
        ACross::halt(1);
    }

    printf_P(PSTR("DHCP setup OK\n"));

    printf_P(PSTR("Local IP is %d.%d.%d.%d. Try pinging me!\n\n"),
        net::localIP.b[0], net::localIP.b[1], net::localIP.b[2], net::localIP.b[3]);

    IPAddress targetIP;
    targetIP = IPADDR_P(8, 8, 8, 8); // ping Google's DNS 8.8.8.8
    pingTest.start(targetIP);

}

void loop()
{
    net::loop(); //process packets and run all services.

}

/// \endcond