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WiFiSpiServer.cpp
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WiFiSpiServer.cpp
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/*
WiFiSPIServer.cpp - Library for Arduino Wifi SPI connection with ESP8266.
Copyright (c) 2017 Jiri Bilek. All right reserved.
---
Based on WiFiServer.cpp - Library for Arduino Wifi shield.
Copyright (c) 2011-2014 Arduino LLC. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <string.h>
#include "utility/srvspi_drv.h"
extern "C" {
#include "utility/debug.h"
}
#include "WiFiSpi.h"
#include "WiFiSpiClient.h"
#include "WiFiSpiServer.h"
WiFiSpiServer::WiFiSpiServer(uint16_t port)
{
_port = port;
}
/*
*
*/
void WiFiSpiServer::begin()
{
uint8_t sock = WiFiSpiClass::getSocket();
if (sock != SOCK_NOT_AVAIL)
{
_sock = sock;
ServerSpiDrv::startServer(_port, _sock);
WiFiSpiClass::_server_port[_sock] = _port;
WiFiSpiClass::_state[_sock] = _sock;
}
}
/*
*
*/
WiFiSpiClient WiFiSpiServer::available(uint8_t* status)
{
WiFiSpiClient client(_sock);
uint8_t _client_status = client.status(); // creates Client object on ESP side if there is established connection
// uint8_t _server_status = this->status(); removed, may be related with the comment below, running fine without it
if (status != NULL)
*status = _client_status;
// TODO: If server is not in listen state, restart it (code present in original WiFiServer.h). I think it is useless.
if (_client_status == ESTABLISHED)
return client;
return WiFiSpiClient(SOCK_NOT_AVAIL); // closed Client
}
/*
*
*/
uint8_t WiFiSpiServer::status() {
return ServerSpiDrv::getServerState(0);
}
/*
*
*/
size_t WiFiSpiServer::write(uint8_t b)
{
return write(&b, 1);
}
/*
*
*/
size_t WiFiSpiServer::write(const uint8_t *buffer, size_t size)
{
size_t n = 0;
WiFiSpiClient client(_sock);
if (client.status() == ESTABLISHED)
n = client.write(buffer, size);
return n;
}
/*
*
*/
void WiFiSpiServer::stop()
{
ServerSpiDrv::stopServer(_sock);
WiFiSpiClass::_server_port[_sock] = 0;
WiFiSpiClass::_state[_sock] = NA_STATE;
}