270 lines
8.6 KiB
C++
270 lines
8.6 KiB
C++
//*******************************************************************************
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// SmartThings Arduino Ethernet Library
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//
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// License
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// (C) Copyright 2017 Dan Ogorchock
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//
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// History
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// 2017-02-04 Dan Ogorchock Created
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// 2018-01-06 Dan Ogorchock Simplified the MAC address printout to prevent confusion
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// 2018-02-03 Dan Ogorchock Support for Hubitat
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// 2020-04-05 Dan Ogorchock Tweaked to hopefully prevent lockup
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// 2020-04-18 Dan Ogorchock Unified Arduino Ethernet Shield Class for 5100, 5200, 5500
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//*******************************************************************************
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#include "SmartThingsEthernetW5x00.h"
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namespace st
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{
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//*******************************************************************************
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// SmartThingsEthernet Constructor
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//*******************************************************************************
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SmartThingsEthernetW5x00::SmartThingsEthernetW5x00(byte mac[], IPAddress localIP, IPAddress localGateway, IPAddress localSubnetMask, IPAddress localDNSServer, uint16_t serverPort, IPAddress hubIP, uint16_t hubPort, SmartThingsCallout_t *callout, String shieldType, bool enableDebug, int transmitInterval) :
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SmartThingsEthernet(localIP, localGateway, localSubnetMask, localDNSServer, serverPort, hubIP, hubPort, callout, shieldType, enableDebug, transmitInterval),
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st_server(serverPort)
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{
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//make a local copy of the MAC address
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for (byte x = 0; x <= 5; x++)
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{
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st_mac[x] = mac[x];
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}
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}
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//*******************************************************************************
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// SmartThingsEthernet Constructor - DHCP
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//*******************************************************************************
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SmartThingsEthernetW5x00::SmartThingsEthernetW5x00(byte mac[], uint16_t serverPort, IPAddress hubIP, uint16_t hubPort, SmartThingsCallout_t *callout, String shieldType, bool enableDebug, int transmitInterval) :
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SmartThingsEthernet(serverPort, hubIP, hubPort, callout, shieldType, enableDebug, transmitInterval, true),
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st_server(serverPort)
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{
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//make a local copy of the MAC address
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for (byte x = 0; x <= 5; x++)
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{
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st_mac[x] = mac[x];
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}
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}
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//*****************************************************************************
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//SmartThingsEthernet::~SmartThingsEthernet()
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//*****************************************************************************
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SmartThingsEthernetW5x00::~SmartThingsEthernetW5x00()
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{
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}
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//*******************************************************************************
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/// Initialize SmartThingsEthernet Library
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//*******************************************************************************
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void SmartThingsEthernetW5x00::init(void)
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{
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char buf[20];
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// give the ethernet module time to boot up:
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delay(1000);
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if (st_DHCP == false)
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{
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Ethernet.begin(st_mac, st_localIP, st_localDNSServer, st_localGateway, st_localSubnetMask);
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}
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else
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{
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Ethernet.begin(st_mac);
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}
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st_server.begin();
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//if (_isDebugEnabled)
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//{
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Serial.println(F(""));
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Serial.println(F("Enter the following three lines of data into ST App on your phone!"));
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Serial.print(F("localIP = "));
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Serial.println(Ethernet.localIP());
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Serial.print(F("serverPort = "));
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Serial.println(st_serverPort);
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Serial.print(F("MAC Address = "));
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sprintf(buf, "%02X%02X%02X%02X%02X%02X", st_mac[0], st_mac[1], st_mac[2], st_mac[3], st_mac[4], st_mac[5]);
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Serial.println(buf);
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Serial.println(F(""));
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Serial.print(F("hubIP = "));
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Serial.println(st_hubIP);
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Serial.print(F("hubPort = "));
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Serial.println(st_hubPort);
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Serial.println(F(""));
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Serial.println(F("SmartThingsEthernet: Intialized"));
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Serial.println(F(""));
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//}
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}
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//*****************************************************************************
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// Run SmartThingsEthernet Library
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//*****************************************************************************
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void SmartThingsEthernetW5x00::run(void)
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{
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String readString;
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String tempString;
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if (st_DHCP) { Ethernet.maintain(); } //Renew DHCP lease if necessary
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EthernetClient client = st_server.available();
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if (client) {
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boolean currentLineIsBlank = true;
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while (client.connected()) {
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if (client.available()) {
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char c = client.read();
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//read char by char HTTP request
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if (readString.length() < 200) {
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//store characters to string
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readString += c;
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}
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else
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{
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if (_isDebugEnabled)
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{
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Serial.println(F(""));
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Serial.println(F("SmartThings.run() - Exceeded 200 character limit"));
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Serial.println(F(""));
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}
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}
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// if you've gotten to the end of the line (received a newline
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// character) and the line is blank, the http request has ended,
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// so you can send a reply
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if (c == '\n' && currentLineIsBlank) {
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//now output HTML data header
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tempString = readString.substring(readString.indexOf('/') + 1, readString.indexOf('?'));
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if (tempString.length() > 0) {
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client.println(F("HTTP/1.1 200 OK")); //send new page
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client.println();
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}
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else {
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client.println(F("HTTP/1.1 204 No Content"));
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client.println();
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client.println();
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if (_isDebugEnabled)
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{
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Serial.println(F("No Valid Data Received"));
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}
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}
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break;
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}
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if (c == '\n') {
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// you're starting a new line
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currentLineIsBlank = true;
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}
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else if (c != '\r') {
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// you've gotten a character on the current line
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currentLineIsBlank = false;
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}
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}
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}
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delay(1);
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//stopping client
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client.stop();
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//Handle the received data after cleaning up the network connection
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if (tempString.length() > 0) {
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if (_isDebugEnabled)
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{
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Serial.print(F("Handling request from ST. tempString = "));
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Serial.println(tempString);
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}
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//Pass the message to user's SmartThings callout function
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tempString.replace("%20", " "); //Clean up for Hubitat
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_calloutFunction(tempString);
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}
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readString = "";
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tempString = "";
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}
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}
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//*******************************************************************************
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/// Send Message out over Ethernet to the Hub
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//*******************************************************************************
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void SmartThingsEthernetW5x00::send(String message)
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{
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//Make sure the client is stopped, to free up socket for new conenction
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st_client.stop();
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if (st_client.connect(st_hubIP, st_hubPort))
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{
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st_client.println(F("POST / HTTP/1.1"));
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st_client.print(F("HOST: "));
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st_client.print(st_hubIP);
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st_client.print(F(":"));
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st_client.println(st_hubPort);
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st_client.println(F("CONTENT-TYPE: text"));
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st_client.print(F("CONTENT-LENGTH: "));
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st_client.println(message.length());
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st_client.println();
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st_client.println(message);
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}
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else
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{
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//connection failed;
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if (_isDebugEnabled)
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{
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Serial.println(F("***********************************************************"));
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Serial.println(F("***** SmartThings.send() - Ethernet Connection Failed *****"));
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Serial.println(F("***********************************************************"));
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Serial.print(F("hubIP = "));
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Serial.print(st_hubIP);
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Serial.print(F(" "));
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Serial.print(F("hubPort = "));
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Serial.println(st_hubPort);
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Serial.println(F("***********************************************************"));
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Serial.println(F("****** Attempting to restart network *******"));
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Serial.println(F("***********************************************************"));
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}
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init(); //Re-Init connection to get things working again
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if (_isDebugEnabled)
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{
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Serial.println(F("***********************************************************"));
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Serial.println(F("****** Attempting to resend missed data *******"));
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Serial.println(F("***********************************************************"));
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}
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st_client.flush();
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st_client.stop();
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if (st_client.connect(st_hubIP, st_hubPort))
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{
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st_client.println(F("POST / HTTP/1.1"));
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st_client.print(F("HOST: "));
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st_client.print(st_hubIP);
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st_client.print(F(":"));
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st_client.println(st_hubPort);
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st_client.println(F("CONTENT-TYPE: text"));
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st_client.print(F("CONTENT-LENGTH: "));
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st_client.println(message.length());
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st_client.println();
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st_client.println(message);
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}
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}
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//if (_isDebugEnabled) { Serial.println(F("Ethernet.send(): Reading for reply data "));}
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// read any data returned from the POST
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while (st_client.connected()) {
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if (st_client.available()) {
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char c = st_client.read(); //gets byte from ethernet buffer
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//if (_isDebugEnabled) { Serial.print(c); } //prints byte to serial monitor
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} else {
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break;
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}
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}
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delay(1);
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st_client.stop();
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}
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}
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