Subversion Repositories ESP8266_P1_Meter

#include <ESP8266WiFi.h>
#include <ESPAsyncTCP.h>

extern "C" {
#include <osapi.h>
#include <os_type.h>
}

#include "config.h"

static os_timer_t intervalTimer;

static void replyToServer(void* arg) {
        AsyncClient* client = reinterpret_cast<AsyncClient*>(arg);

        // send reply
        if (client->space() > 32 && client->canSend()) {
                char message[32];
                sprintf(message, "this is from %s", WiFi.localIP().toString().c_str());
                client->add(message, strlen(message));
                client->send();
        }
}

/* event callbacks */
static void handleData(void* arg, AsyncClient* client, void *data, size_t len) {
        Serial.printf("\n data received from %s \n", client->remoteIP().toString().c_str());
        Serial.write((uint8_t*)data, len);

        os_timer_arm(&intervalTimer, 2000, true); // schedule for reply to server at next 2s
}

void onConnect(void* arg, AsyncClient* client) {
        Serial.printf("\n client has been connected to %s on port %d \n", SERVER_HOST_NAME, TCP_PORT);
        replyToServer(client);
}


void setup() {
        Serial.begin(115200);
        delay(20);

        // connects to access point
        WiFi.mode(WIFI_STA);
        WiFi.begin(SSID, PASSWORD);
        while (WiFi.status() != WL_CONNECTED) {
                Serial.print('.');
                delay(500);
        }

        AsyncClient* client = new AsyncClient;
        client->onData(&handleData, client);
        client->onConnect(&onConnect, client);
        client->connect(SERVER_HOST_NAME, TCP_PORT);

        os_timer_disarm(&intervalTimer);
        os_timer_setfn(&intervalTimer, &replyToServer, client);
}

void loop() {

}