void Nimbits::createPoint(String pointName)
{
EthernetClient client;
if (client.connect(GOOGLE, PORT))
{
client.println(F("POST /service/point HTTP/1.1"));
String content;
// writeAuthParams(content);
content += "email=";
content += _ownerEmail;
if (_accessKey.length() > 0)
{
content += ("&key=");
content += (_accessKey);
}
content += "&action=create&point=";
content += (pointName);
client.println(F("Host:nimbits1.appspot.com"));
client.println(F("Connection:close"));
client.println(F("Cache-Control:max-age=0"));
client.print(F("Content-Type: application/x-www-form-urlencoded\n"));
client.print(F("Content-Length: "));
client.print(content.length());
client.print(F("\n\n"));
client.print(content);
while (client.connected() && !client.available())
{
delay(1); //waits for data
}
client.stop();
client.flush();
}
}
/*
* Sends an HTTP POST request containing the name and the code to the server.
*/
void sendData() {
Serial.print("attempting to send data (name = ");
Serial.print(nameBuf);
Serial.print(", code = ");
Serial.print(buffer);
Serial.println(")");
// if you get a connection, report back via serial:
if (client.connect(server, port)) {
Serial.println("connected");
// Make a HTTP request:
client.print("POST /barcode");
client.print("?name=");
client.print(nameBuf);
client.print("&code=");
client.print(buffer);
client.print("&uptime=");
client.print(millis());
client.println(" HTTP/1.0");
client.println();
client.flush();
client.stop();
Serial.println("request sent");
}
else {
// if you didn't get a connection to the server:
Serial.println("connection failed");
}
}
/*
* Read client response from an HTTP request into a buffer. Return the number of
* characters written to buf (EXCLUDING null character);
*/
void
extract_client_response(struct HTTPObject *h, EthernetClient client){
extract_status_code(h, client);
skip_http_headers(client);
extract_body(h, client);
// Clean up the connection
client.flush();
client.stop();
}
void DataServeriOS::loop()
{
_client = _server->available();
if (_client)
{
WaitForRequest();
ParseReceivedRequest();
PerformRequestedCommand();
_client.flush();
_client.stop();
}
else {
_client.stop();
_substitudeLoop();
}
}
String Nimbits::recordValue(String point, float value)
{
EthernetClient client;
String content;
if (client.connect(GOOGLE, PORT))
{
client.println(F("POST /service/value HTTP/1.1"));
// writeAuthParams(content);
content += ("email=");
content += _ownerEmail;
if (_accessKey.length() > 0)
{
content += ("&key=");
content += (_accessKey);
}
char buffer[10];
dtostrf(value, 5, 5, buffer);
String str = buffer;
content += ("&value=");
content += (str);
content += ("&point=");
content += (point);
client.println(F("Host:nimbits1.appspot.com"));
client.println(F("Connection:close"));
client.println(F("Cache-Control:max-age=0"));
client.print(F("Content-Type: application/x-www-form-urlencoded\n"));
client.print(F("Content-Length: "));
client.print(content.length());
client.print(F("\n\n"));
client.print(content);
while (client.connected() && !client.available())
{
delay(1); //waits for data
}
client.stop();
client.flush();
}
return content;
}
void updateDB_Door(){
Serial.println("connecting for DB update");
if (client.connect(server, 80)) {
client.print("GET http://153.42.193.63/ardi_db_update.php?door=");
if(clientDoor)
client.print(clientDoor,BIN);
else
client.print("'0'");
client.print(" HTTP/1.0");
client.println("Host: http://153.42.193.63");
client.println();
doorChanged = 1;
}
else { //connection failed
Serial.println("connection failed");
doorChanged = 0;
}
client.stop();
client.flush();
}
void updateDB_Shades(){
Serial.println("connecting for DB update");
if (client.connect(server, 80)) {
client.print("GET http://153.42.193.63/ardi_db_update.php?shades=");
if(clientShades)
client.print(clientShades,BIN);
else
client.print("'0'");
client.print(" HTTP/1.0");
client.println("Host: http://153.42.193.63");
client.println();
shadesChanged = 1;
}
else {
Serial.println("connection failed");
shadesChanged = 0;
}
client.stop();
client.flush();
}
void VirtuinoEthernet_WebServer::run(){
EthernetServer server(serverPort);
EthernetClient client = server.available();
if (client) {
char c;
if (DEBUG) Serial.println(clientConnected);
while (client.connected()) {
if (client.available()) {
c = client.read();
lineBuffer.concat(c);
if (DEBUG) Serial.write(c);
}
if (c == '\n' ) {
int pos = lineBuffer.indexOf("GET /");
if (pos!=-1){ // We have a GET message
if (DEBUG) Serial.println("\n\r LineBuffer="+lineBuffer);
String responce = checkNetworkCommand(lineBuffer.substring(pos+5));
if (DEBUG) Serial.println("\n\r Responce="+responce);
delay(10);
client.flush();
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println("Connection: close");
client.println();
client.println(responce);
lineBuffer="";
break;
} // if pos
lineBuffer="";
} // if c=='\n'
} // if client.available
delay(1);
client.stop(); // close the connection:
if (DEBUG) Serial.println(clientDisconnected);
}
}
void updateDB_Lights(){
Serial.println("connecting for DB update");
if (client.connect(server, 80)) {
client.print("GET http://153.42.193.63/ardi_db_update.php?lights=");
if(clientLights)
client.print(clientLights,BIN);
else
client.print("'0'");
client.print(" HTTP/1.0");
client.println("Host: http://153.42.193.63");
client.println();
Serial.println("connection successful");
lightsChanged = 1;
}
else {
lightsChanged = 0;
Serial.println("connection failed");
}
client.stop();
client.flush();
}
String readPage(){
int stringPos = 0; // string index counter
boolean startRead = false;
//read the page, and capture & return everything between '?' and '~'
stringPos = 0;
memset(inString,' ', 200); //clear inString memory
while(true){
if (client.available()) {
char c = client.read();
Serial.print(c);
if (c == '?' ) { //'?' is our begining character
startRead = true; //Ready to start reading the part
}
else if(startRead){
if(c != '~'){ //'~' is our ending character
inString[stringPos] = c;
stringPos ++;
}
else{
//got what we needed, disconnect
startRead = false;
c = 0;
client.stop();
client.flush();
Serial.println("end of poll disconnecting.");
return inString;
}
}
}
}
}
void runExternalCommandsPersistent(EthernetServer* _server, systemState* _state)
{
// local variables
int i, buffer_ptr;
int room, radiatorState, automaticMode;
float temperature;
int commandError = 0;
EthernetClient client = _server->available(); // is non-blocking
if(client.available() > 2)
{
#ifdef DEBUG
Serial.println("Connection established");
Serial.print("Available: ");
Serial.println(client.available());
#endif
char buffer[32];
// read command field
if( readParam(buffer, 3, client) < 0 ) {commandError = 1; goto errorHandler;}
// switch case on commands
if(strcmp(buffer, "STM") == 0) // set temperature
{
#ifdef DEBUG
Serial.println("Set temperature command received");
#endif
// read fisrt param: room number (one digit)
if( readParam(buffer, 1, client) < 0 ) {commandError = 1; goto errorHandler;}
room = atoi(buffer);
// read second param: temperature (format xx.y)
if( readParam(buffer, 4, client) < 0 ) {commandError = 1; goto errorHandler;}
temperature = atof(buffer);
_state->desiredTemp[room] = temperature;
client.write((unsigned char*)"STM", 3);
client.write((unsigned char*)"OOK", 3);
}
else if(strcmp(buffer, "RTM") == 0) // read temperature
{
#ifdef DEBUG
Serial.println("Read temperature command received");
#endif
// read fisrt param: room number (one digit)
if( readParam(buffer, 1, client) < 0 ) {commandError = 1; goto errorHandler;}
room = atoi(buffer);
temperature = _state->actualTemp[room];
//buffer_ptr = sprintf(buffer, "%4.1f", temperature);
ttoa(buffer, temperature);
client.write((unsigned char*)"RTM", 3);
client.write((unsigned char*)"OOK", 3);
client.write((unsigned char*)buffer, 4);
}
else if(strcmp(buffer, "SRD") == 0) // set radiator
{
#ifdef DEBUG
Serial.println("Set radiator command received");
#endif
// read fisrt param: room number (one digit)
if( readParam(buffer, 1, client) < 0 ) {commandError = 1; goto errorHandler;}
room = atoi(buffer);
// read second param: radiator state (one digit)
if( readParam(buffer, 1, client) < 0 ) {commandError = 1; goto errorHandler;}
radiatorState = atoi(buffer);
_state->radiatorState[room] = radiatorState;
digitalWrite(radiatorPinByRoom(room), (radiatorState == 1) ? LOW : HIGH);
// set zone valve
int someoneIsOn = 0;
for(room = 0; room < 6; room++)
{
if(_state->radiatorState[room] == ON) someoneIsOn = 1;
}
digitalWrite(ZONE_VALVE_NO1, someoneIsOn ? LOW : HIGH);
client.write((unsigned char*)"SRD", 3);
client.write((unsigned char*)"OOK", 3);
}
else if(strcmp(buffer, "RRD") == 0) // read radiator
{
#ifdef DEBUG
Serial.println("Read radiator command received");
#endif
// read fisrt param: room number (one digit)
if( readParam(buffer, 1, client) < 0 ) {commandError = 1; goto errorHandler;}
room = atoi(buffer);
radiatorState = _state->radiatorState[room];
sprintf(buffer, "%d", radiatorState);
client.write((unsigned char*)"RRD", 3);
client.write((unsigned char*)"OOK", 3);
client.write((unsigned char*)buffer, 1);
}
else if(strcmp(buffer, "SAM") == 0) // set automatic mode
{
#ifdef DEBUG
Serial.println("Set automatic mode command received");
#endif
// read second param: radiator state (one digit)
if( readParam(buffer, 1, client) < 0 ) {commandError = 1; goto errorHandler;}
automaticMode = atoi(buffer);
_state->automaticMode = automaticMode;
client.write((unsigned char*)"SAM", 3);
client.write((unsigned char*)"OOK", 3);
}
else if(strcmp(buffer, "RAM") == 0) // read automatic mode
{
#ifdef DEBUG
Serial.println("Read automatic mode command received");
#endif
automaticMode = _state->automaticMode;
sprintf(buffer, "%d", automaticMode);
client.write((unsigned char*)"RAM", 3);
client.write((unsigned char*)"OOK", 3);
client.write((unsigned char*)buffer, 1);
}
else if(strcmp(buffer, "RDT") == 0) // read desired temperature
{
#ifdef DEBUG
Serial.println("Read desired temperature command received");
#endif
// read fisrt param: room number (one digit)
if( readParam(buffer, 1, client) < 0 ) {commandError = 1; goto errorHandler;}
room = atoi(buffer);
temperature = _state->desiredTemp[room];
//buffer_ptr = sprintf(buffer, "%4.1f", temperature);
ttoa(buffer, temperature);
client.write((unsigned char*)"RDT", 3);
client.write((unsigned char*)"OOK", 3);
client.write((unsigned char*)buffer, 4);
}
else if(strcmp(buffer, "CLS") == 0) // Close connection
{
#ifdef DEBUG
Serial.println("Close connection command received");
#endif
client.write((unsigned char*)"CLS", 3);
client.write((unsigned char*)"OOK", 3);
client.flush(); // NEW to verify ---> it seems not working
delay(2000);
while(client.connected())
{
client.stop();
delay(2000);
}
}
else
{
#ifdef DEBUG
Serial.print("Invalid command received: ");
Serial.print(buffer[0]);
Serial.print(buffer[1]);
Serial.print(buffer[2]);
Serial.println();
#endif
client.write((unsigned char*)"ERR", 3);
client.write((unsigned char*)"INV", 3);
}
// =============================================
errorHandler:
if(commandError)
{
#ifdef DEBUG
Serial.print("Invalid command received: ");
Serial.print(buffer[0]);
Serial.print(buffer[1]);
Serial.print(buffer[2]);
Serial.println();
#endif
client.write((unsigned char*)"ERR", 3);
client.write((unsigned char*)"GEN", 3);
}
// =============================================
}
}
boolean P098SendCustomHTTPRequest(char* Request, byte ip, unsigned long port, byte varindex)
{
byte targetIP[4];
int InByteCounter,x,y;
byte InByte;
unsigned long TimeoutTimer;
const int TimeOut=5000;
EthernetClient HTTPClient; // Client class voor HTTP sessie.
byte State=0;
char *IPBuffer=(char*)malloc(IP_BUFFER_SIZE+1);
targetIP[0] = EthernetNodo.localIP()[0];
targetIP[1] = EthernetNodo.localIP()[1];
targetIP[2] = EthernetNodo.localIP()[2];
targetIP[3] = ip;
strcpy(IPBuffer,"GET ");
// Alle spaties omzetten naar %20 en toevoegen aan de te verzenden regel.
y=strlen(IPBuffer);
for(x=0;x<strlen(Request);x++)
{
if(Request[x]==32)
{
IPBuffer[y++]='%';
IPBuffer[y++]='2';
IPBuffer[y++]='0';
}
else
{
IPBuffer[y++]=Request[x];
}
}
IPBuffer[y]=0;
strcat(IPBuffer," HTTP/1.1");
if(Settings.Debug==VALUE_ON)
Serial.println(IPBuffer);
if(HTTPClient.connect(targetIP,port))
{
HTTPClient.println(IPBuffer);
HTTPClient.println("Host: 192.168.0.123");
HTTPClient.println("User-Agent: Mozilla/5.0");
HTTPClient.println(F("Connection: Close"));
HTTPClient.println();// Afsluiten met een lege regel is verplicht in http protocol/
TimeoutTimer=millis()+TimeOut; // Als er te lange tijd geen datatransport is, dan wordt aangenomen dat de verbinding (om wat voor reden dan ook) is afgebroken.
IPBuffer[0]=0;
InByteCounter=0;
while(TimeoutTimer>millis() && HTTPClient.connected())
{
if(HTTPClient.available())
{
InByte=HTTPClient.read();
if(isprint(InByte) && InByteCounter<IP_BUFFER_SIZE)
IPBuffer[InByteCounter++]=InByte;
else if(InByte==0x0A)
{
IPBuffer[InByteCounter]=0;
// De regel is binnen
if(Settings.Debug==VALUE_ON)
Serial.println(IPBuffer);
String line = IPBuffer;
if (varindex > 0 && line.substring(10, 14) == "Data")
{
String strValue = line.substring(19);
byte pos = strValue.indexOf(',')-1;
strValue = strValue.substring(0, pos);
strValue.trim();
char tmp[80];
strValue.toCharArray(tmp,79);
float value=0;
if (tmp[0]=='O')
value = (strValue == "On") ? 1 : 0;
else
value = atof(tmp);
UserVar[varindex-1] = value;
if(Settings.Debug==VALUE_ON)
{
Serial.println(strValue);
Serial.println("Succes!");
}
}
InByteCounter=0;
}
}
}
delay(500);
HTTPClient.flush();// Verwijder eventuele rommel in de buffer.
HTTPClient.stop();
}
free(IPBuffer);
return State;
}
void loop() {
// ESPERA ENTRE CAPTURAS
delay(5000);
analogWrite(A2,0);
analogWrite(A3,255);
float h = dht.readHumidity();
float t = dht.readTemperature();
if (isnan(h) || isnan(t)) {
Serial.println("ERROR EN LA CAPTURA DEL SENSOR DE HUMEDAD");
return;
}
Serial.print("HUMEDAD: ");
Serial.print(h);
Serial.print(" %\t");
Serial.print("TEMERATURA AMBIENTE: ");
Serial.print(t);
Serial.print(" *C ");
// FIN CAPTURA DE DATOS HUMEDAD Y TEMPERATURA AMBIENTE
//INICIO CAPTURA DE TEMPERATURA CALDERA 1
Serial.println("TEMPERATURA AMBIENTE TERMO 1= ");
Serial.println(thermocouple.readInternal());
double c = thermocouple.readCelsius();
if (isnan(c)) {
Serial.println("Something wrong with thermocouple!");
} else {
Serial.print("Caldera 1= ");
Serial.println(c);
}
// FIN CAPTURA CALDERA 1
// INICIO CAPTURA DE TEMPERATURA CALDERA 2
//Serial.print("ambiente 2= ");
Serial.println(thermocouple2.readInternal());
double c2 = thermocouple2.readCelsius();
if (isnan(c2)) {
Serial.println("Something wrong with thermocouple!");
} else {
Serial.print("Caldera2 = ");
Serial.println(c2);
}
// FIN DE CAPTURA DE TEMPERATURA CALDERA 2
// INICIO DE SUBIDA A MYSQL SERVER TABLA TEMPERATURA
Serial.println("Conectando...");
if (client.connect(server, 80)>0) { // Conexion con el servidor
client.print("GET /angu/json/tmprUp.php?estf=1&ambiente=");
client.print(t);
client.print("&caldera1=");
client.print(c2);
client.print("&caldera2=");
client.print(c2); // Enviamos los datos por GET
client.println(" HTTP/1.0");
client.println("User-Agent: Arduino 1.0");
client.println();
Serial.println("Conectado ENVIANDO DATOS TABLA TEMPERATURA");
} else {
Serial.println("Fallo en la conexion");
}
if (!client.connected()) {
Serial.println("Desconectado!");
}
client.stop();
client.flush();
analogWrite(A2,255);
analogWrite(A3,0);
delay(2000);
//FIN DE SUBIDA A MYSQL TABLA TEMPERATURA
//INICIO SUBIDA A MYSQL SERVER TABLA HUMEDAD
Serial.println("Conectando...");
if (client.connect(server, 80)>0) { // Conexion con el servidor
client.print("GET /angu/json/hmdaUp.php?estf=1&humedad=");// estufa 1
client.print(h);
client.println(" HTTP/1.0");
client.println("User-Agent: Arduino 1.0");
client.println();
Serial.println("Conectado ENVIANDO DATOS TABLA HUMEDAD");
} else {
Serial.println("Fallo en la conexion");
}
if (!client.connected()) {
Serial.println("Desconectado!");
}
client.stop();
client.flush();
analogWrite(A2,0);
analogWrite(A3,255);
delay(2000);
// FIN DE SUBIDA A MYSQL SERVER TABLA HUMEDAD
//captura datos gases
float sensor_volt;
float RS_gas; // Get value of RS in a GAS
float ratio; // Get ratio RS_GAS/RS_air
int sensorValue = analogRead(A0);
sensor_volt=(float)sensorValue/1024*5.0;
RS_gas = (5.0-sensor_volt)/sensor_volt;
ratio = RS_gas/0.34; // ratio = RS/R0
Serial.print("CO2 = ");//gases calidad
float co2,calidad;
co2 = sensor_volt*440;
Serial.println(co2);
Serial.print("calidad aire = ");//gases calidad
calidad = sensor_volt*340;
Serial.println(calidad);
Serial.print("NOX = ");//gases nox
Serial.println(RS_gas);
Serial.print("CO = ");//gases co
Serial.println(ratio);
analogWrite(A2,255);
analogWrite(A3,0);
delay(2000);
delay(5000); // Espero un minuto
//FIN CAPTURA DE GASES
//INICIO SUBIDA MYSQL SERVER TABLA GASES
//INICIO SUBIDA A MYSQL SERVER TABLA HUMEDAD
Serial.println("Conectando...");
if (client.connect(server, 80)>0) { // Conexion con el servidor
client.print("GET /angu/json/gsesUp.php?estf=1&co2=");
client.print(co2);
client.print("&calidad=");
client.print(calidad);
client.print("&nox=");
client.print(RS_gas);
client.print("&co=");// estufa
client.print(ratio);
client.println(" HTTP/1.0");
client.println("User-Agent: Arduino 1.0");
client.println();
Serial.println("Conectado ENVIANDO DATOS TABLA GASES");
} else {
Serial.println("Fallo en la conexion");
}
if (!client.connected()) {
Serial.println("Desconectado!");
}
client.stop();
client.flush();
// FIN DE SUBIDA A MYSQL SERVER TABLA HUMEDAD
}
// The loop function is called in an endless loop
void loop() {
// if there's incoming data from the net connection.
// send it out the serial port. This is for debugging
// purposes only:
if (client.available()) {
char c = client.read();
Serial.print(c);
}
// if there's no net connection, but there was one last time
// through the loop, then stop the client:
if (!client.connected() && wasConnected) {
Serial.println();
Serial.println("disconnecting.");
client.stop();
wasConnected = false;
}
if (PowerSerial::solar.count < 0) {
int waitTime = millis() - lastupdate;
if (waitTime > 30000) {
String jsonResult = PowerSerial::solar.jsonResult;
Serial.println("transmit Every 30 seconds");
lastupdate = millis();
lmillis = tmillis; //timing to determine amount of time since last call
tmillis = millis();
delay(1000);
if (!client.connected()) {
Serial.println(jsonResult);
// if there's a successful connection:
Serial.println("!client.connected() --> 1");
// DNSClient dns;
// IPAddress remote_addr;
// dns.begin(Ethernet.dnsServerIP());
// int ret = dns.getHostByName(serverName, remote_addr);
// if (ret == 1) {
// Serial.println(serverName);
// Serial.println(remote_addr);
// } else {
// Serial.println("Fail !!!");
// }
if (client.connect(serverName, 80)) {
delay(1000);
Serial.println("!client.connect() --> 2");
wasConnected = true;
Serial.println("connecting...");
// send the HTTP PUT request:
String str = "GET ";
str.concat(input);
str.concat(apikey);
str.concat(inputJson);
str.concat(jsonResult);
str.concat(" HTTP/1.0");
client.println(str);
client.println("Host: emoncms.org");
client.println("User-Agent: arduino-ethernet");
client.println("Connection: close");
client.println();
client.flush();
Serial.println(str);
Serial.println("Respons:");
Serial.println(client.readString());
PowerSerial::solar.count = 0;
} else {
delay(1000);
// if you couldn't make a connection:
Serial.println("connection failed");
Serial.println();
Serial.println("disconnecting.");
client.stop();
}
}
} else {
// Serial.print("Still waiting: ");
// Serial.println(waitTime);
}
} else {
Serial.println("Powerserial has no result .... waiting: ");
}
if (PowerSerial::solar.count >= 0){
PowerSerial::parse();
}
}
// ---------------------------------------------------------------------------
// --- Main loop update ------------------------------------------------------
// ---------------------------------------------------------------------------
void PLabFileServer::update() {
// Main loop.
// Check if we have any new connections
EthernetClient client = available();
if (client) {
if (out) {
out->println();
// Buffer is initially considered empty
strcpy_P(bigBuf, plabRequest);
out->println(bigBuf);
out->println();
}
if (filter) {
filter->start();
}
// We should now start parsing our request
RequestState_t state = REQ_START;
RequestMethod_t method = METH_NOT_SUPPORTED;
int indexTracker = 0;
// While we still have an open connection to the client
while (client.connected()) {
if (client.available()) {
char c = client.read();
if (out) {
out->write(c);
}
state = reqStateTransition(state, c, indexTracker, method);
}
// By default we assume we have answered.
bool answered = true;
// Configuring answer, if we have any yet.
switch (state) {
case REQ_MESSAGE_BODY:
if (out) {
out->println();
// Safe to overwrite buffer: it should not contain anything
strcpy_P(bigBuf, plabResponse);
out->println(bigBuf);
out->println();
}
// GET and HEAD discard request body in this server
// Currently this (HEAD and GET) covers every possibility.
if (method == METH_HEAD || method == METH_GET) {
if (userControlledResponse) {
if (filter)
filter->writeResponse(client);
}
else {
// The exact same header
strcpy_P(bigBuf, plabHeaderHttp);
if (filter)
filter->filterResponseHeader(bigBuf, client);
cPrint(bigBuf, client);
strcpy_P(bigBuf, plab200OK);
if (filter)
filter->filterResponseHeader(bigBuf, client);
cPrintln(bigBuf, client);
if (internalMIMEIndex >= 0) {
strcpy_P(bigBuf, plabContentType);
if (filter)
filter->filterResponseHeader(bigBuf, client);
cPrint(bigBuf, client);
strcpy_P(bigBuf, (char*)pgm_read_word(&(plabMIMETypeTable[internalMIMEIndex])));
if (filter)
filter->filterResponseHeader(bigBuf, client);
cPrintln(bigBuf, client);
}
strcpy_P(bigBuf, plabConnectionClose);
if (filter)
filter->filterResponseHeader(bigBuf, client);
cPrintln(bigBuf, client);
// TODO Additional user defined header fields
cPrintln("", client); // HEADER stop
if (method == METH_GET) {
// Rediricting file location
if (filter)
filter->redirectReplyFile(sdFile);
#ifdef PLAB_DEBUG
if (out)
out->println("GET response");
#endif // PLAB_DEBUG
// ONLY get has message body
// TODO User defined body write
if (sdFile) {
while (sdFile.available()) {
char c = sdFile.read();
if (filter) {
if (filter->filterResponse(c, client))
cWrite(c, client);
}
else
cWrite(c, client);
}
sdFile.close();
}
#ifdef PLAB_DEBUG
else if (out)
out->println("File not open!");
#endif // PLAB_DEBUG
}
}
}
break;
// TODO Better error treatment
case BAD_REQ_400:
printDefaultError(400, client);
break;
case NOT_FOUND_404:
printDefaultError(404, client);
break;
case METHOD_NOT_ALLOWED_405:
printDefaultError(405, client);
break;
case REQUEST_URI_TOO_LONG_414:
printDefaultError(414, client);
break;
case INTERNAL_SERVER_ERROR_500:
printDefaultError(500, client);
break;
case NOT_IMPLEMENTED_501:
printDefaultError(501, client);
break;
case HTTP_VERSION_NOT_SUPPORTED_505:
printDefaultError(505, client);
break;
default:
// No other state (as of yet) produces an answer
answered = false;
}
// Clean, if need be
if (answered) {
if (sdFile) {
sdFile.close();
}
// Client should have some time to process answer
delay(1);
client.stop();
client.flush();
}
}
if (filter)
filter->end();
}
}
void ModbusTCP::run(void) {
int16_t i, iStart, iQty;
int16_t iTXLen = 0; // response packet length
uint8_t *ptr, iFC = MB_FC_NONE, iEC = MB_EC_NONE;
//
// Initialize and check for a request from a MODBUS master
//
#ifdef MB_ETHERNET
EthernetClient clientrequest = mb_server.available();
if (clientrequest.available()) {
#endif
#ifdef MB_CC3000
Adafruit_CC3000_ClientRef clientrequest = mb_server.available();
if (clientrequest.available()) {
#endif
#ifdef MB_ESP8266
if (!clientrequest.connected())
clientrequest = mb_server.available();
if (clientrequest.available()) {
#endif
//
// Retrieve request
//
for (i = 0 ; clientrequest.available() ; i++)
mb_adu[i] = clientrequest.read();
#ifdef MB_ESP8266
clientrequest.flush();
#endif
#ifdef MB_DEBUG
printMB("RX: ", word(mb_adu[MB_TCP_LEN], mb_adu[MB_TCP_LEN + 1]) + 6);
#endif
//
// Unpack the function code
//
iFC = mb_adu[MB_TCP_FUNC];
}
//
// Handle request
//
switch (iFC) {
case MB_FC_NONE:
break;
case MB_FC_READ_REGISTERS:
//
// 03 (0x03) Read Holding Registers
//
// modpoll -m tcp -t 4:float -r 40001 -c 1 -1 192.168.x.x
//
// [TransID] [ProtID-] [Length-] [Un] [FC] [Start--] [Qty----]
// RX: 0x00 0x01 0x00 0x00 0x00 0x06 0x01 0x03 0x9C 0x40 0x00 0x02
//
// [TransID] [ProtID-] [Length-] [Un] [FC] [Bc] [float------------]
// TX: 0x00 0x01 0x00 0x00 0x00 0x07 0x01 0x03 0x04 0x20 0x00 0x47 0xF1
//
// 123456.0 = 0x00 0x20 0xF1 0x47 (IEEE 754)
//
// Unpack the start and length
//
ptr = mb_adu + MB_TCP_DATA;
iStart = word(*ptr++, *ptr++) - 40000;
iQty = 2 * word(*ptr++, *ptr);
//
// check for valid register addresses
//
if (iStart < 0 || (iStart + iQty / 2 - 1) > MB_REGISTERS_MAX) {
iEC = MB_EC_ILLEGAL_DATA_ADDRESS;
break;
}
//
// Write data length
//
ptr = mb_adu + MB_TCP_DATA;
*ptr++ = iQty;
//
// Write data
//
for (i = 0 ; i < iQty / 2 ; i++) {
*ptr++ = highByte(mb_reg[iStart + i]);
*ptr++ = lowByte(mb_reg[iStart + i]);
}
iTXLen = iQty + 9;
break;
case MB_FC_WRITE_REGISTER:
//
// 06 (0x06) Write register
//
ptr = mb_adu + MB_TCP_DATA;
iStart = word(*ptr++, *ptr++) - 40000;
//
// check for valid register addresses
//
if (iStart < 0 || (iStart - 1) > MB_REGISTERS_MAX) {
iEC = MB_EC_ILLEGAL_DATA_ADDRESS;
break;
}
// Unpack and store data
//
mb_reg[iStart] = word(*ptr++, *ptr);
//
// Build a response
//
iTXLen = 12;
break;
case MB_FC_WRITE_MULTIPLE_REGISTERS:
//
// 16 (0x10) Write Multiple registers
//
// modpoll -m tcp -t 4:float -r 40001 -c 1 -1 192.168.x.x 123456.0
//
// [TransID] [ProtID-] [Length-] [Un] [FC] [Start--] [Qty----] [Bc] [float------------]
// RX: 0x00 0x01 0x00 0x00 0x00 0x0B 0x01 0x10 0x9C 0x40 0x00 0x02 0x04 0x20 0x00 0x47 0xF1
//
// 123456.0 = 0x00 0x20 0xF1 0x47 (IEEE 754)
//
// Unpack the start and length
//
ptr = mb_adu + MB_TCP_DATA;
iStart = word(*ptr++, *ptr++) - 40000;
iQty = 2 * word(*ptr++, *ptr);
//
// check for valid register addresses
//
if (iStart < 0 || (iStart + iQty / 2 - 1) > MB_REGISTERS_MAX) {
iEC = MB_EC_ILLEGAL_DATA_ADDRESS;
break;
}
//
// Unpack and store data
//
ptr = mb_adu + MB_TCP_DATA + 5;
// todo: check for valid length
for (i = 0 ; i < iQty / 2 ; i++) {
mb_reg[iStart + i] = word(*ptr++, *ptr++);
}
//
// Build a response
//
iTXLen = 12;
break;
default:
iEC = MB_EC_ILLEGAL_FUNCTION;
break;
}
//
// Build exception response if necessary because we were too
// lazy to do it earlier. Other responses should already be
// built.
//
if (iEC) {
ptr = mb_adu + MB_TCP_FUNC;
*ptr = *ptr++ | 0x80; // flag the function code
*ptr = iEC; // write the exception code
iTXLen = 9;
}
//
// If there's a response, transmit it
//
if (iFC) {
ptr = mb_adu + MB_TCP_LEN; // write the header length
*ptr++ = 0x00;
*ptr = iTXLen - MB_TCP_UID;
#ifdef MB_DEBUG
printMB("TX: ", word(mb_adu[MB_TCP_LEN], mb_adu[MB_TCP_LEN + 1]) + MB_TCP_UID);
#endif
#ifdef MB_ETHERNET
clientrequest.write(mb_adu, iTXLen); // send it
#endif
#ifdef MB_CC3000
clientrequest.write(mb_adu, iTXLen); // send it
#endif
#ifdef MB_ESP8266
clientrequest.write((byte*) mb_adu, iTXLen); // send it
//clientrequest.stop();
#endif
}
}
#ifdef MB_Float
int ModbusTCP::setFloat(uint16_t iAddress, float fValue) {
int iRet;
union {
float f;
uint16_t w[2];
}
fw;
for (iRet = 0 ; !iRet ; iRet = 2) {
if ((iAddress -= 40001) < 0 || (iAddress + 1) >= MB_REGISTERS_MAX) // invalid address
break;
fw.f = fValue;
mb_reg[iAddress++] = fw.w[0];
mb_reg[iAddress] = fw.w[1];
}
return (iRet);
}
/**
* Process HTTP request
*
* @return EthernetClient client
**/
EthernetClient uHTTP::available(){
EthernetClient client;
memset(__uri, 0, sizeof(__uri));
memset(__query, 0, sizeof(__query));
memset(__body, 0, sizeof(__body));
memset(&__head, 0, sizeof(__head));
if(client = EthernetServer::available()){
uint8_t cursor = 0, cr = 0;
char buffer[uHTTP_BUFFER_SIZE] = {0};
bool sub = false;
enum state_t {METHOD, URI, QUERY, PROTO, KEY, VALUE, BODY};
state_t state = METHOD;
enum header_t {START, AUTHORIZATION, CONTENT_TYPE, CONTENT_LENGTH, ORIGIN};
header_t header = START;
while(client.connected() && client.available()){
char c = client.read();
(c == '\r' || c == '\n') ? cr++ : cr = 0;
switch(state){
case METHOD:
if(c == ' '){
if(strncmp_P(buffer, PSTR("OP"), 2) == 0) __method = uHTTP_METHOD_OPTIONS;
else if(strncmp_P(buffer, PSTR("HE"), 2) == 0) __method = uHTTP_METHOD_HEAD;
else if(strncmp_P(buffer, PSTR("PO"), 2) == 0) __method = uHTTP_METHOD_POST;
else if(strncmp_P(buffer, PSTR("PU"), 2) == 0) __method = uHTTP_METHOD_PUT;
else if(strncmp_P(buffer, PSTR("PA"), 2) == 0) __method = uHTTP_METHOD_PATCH;
else if(strncmp_P(buffer, PSTR("DE"), 2) == 0) __method = uHTTP_METHOD_DELETE;
else if(strncmp_P(buffer, PSTR("TR"), 2) == 0) __method = uHTTP_METHOD_TRACE;
else if(strncmp_P(buffer, PSTR("CO"), 2) == 0) __method = uHTTP_METHOD_CONNECT;
else __method = uHTTP_METHOD_GET;
state = URI;
cursor = 0;
}else if(cursor < uHTTP_METHOD_SIZE - 1){
buffer[cursor++] = c;
buffer[cursor] = '\0';
}
break;
case URI:
if(c == ' '){
state = PROTO;
cursor = 0;
}else if(c == '?'){
state = QUERY;
cursor = 0;
}else if(cursor < uHTTP_URI_SIZE - 1){
__uri[cursor++] = c;
__uri[cursor] = '\0';
}
break;
case QUERY:
if(c == ' '){
state = PROTO;
cursor = 0;
}else if(cursor < uHTTP_QUERY_SIZE - 1){
__query[cursor++] = c;
__query[cursor] = '\0';
}
break;
case PROTO:
if(cr == 2){ state = KEY; cursor = 0; }
break;
case KEY:
if (cr == 4){ state = BODY; cursor = 0; }
else if(c == ' '){ state = VALUE; cursor = 0; }
else if(c != ':' && cursor < uHTTP_BUFFER_SIZE){ buffer[cursor++] = c; buffer[cursor] = '\0'; }
break;
case VALUE:
if(cr == 2){
switch(header){
case AUTHORIZATION:
strncpy(__head.auth, buffer, uHTTP_AUTH_SIZE);
break;
case CONTENT_TYPE:
strncpy(__head.type, buffer, uHTTP_TYPE_SIZE);
break;
case ORIGIN:
strncpy(__head.orig, buffer, uHTTP_ORIG_SIZE);
break;
case CONTENT_LENGTH:
__head.length = atoi(buffer);
break;
break;
}
state = KEY; header = START; cursor = 0; sub = false;
}else if(c != '\r' && c!= '\n'){
if(header == START){
if(strncmp_P(buffer, PSTR("Auth"), 4) == 0) header = AUTHORIZATION;
else if(strncmp_P(buffer, PSTR("Content-T"), 9) == 0) header = CONTENT_TYPE;
else if(strncmp_P(buffer, PSTR("Content-L"), 9) == 0) header = CONTENT_LENGTH;
}
// Fill buffer
if(cursor < uHTTP_BUFFER_SIZE - 1){
switch(header){
case AUTHORIZATION:
if(sub){ buffer[cursor++] = c; buffer[cursor] = '\0'; }
else if(c == ' ') sub = true;
break;
case CONTENT_TYPE:
case CONTENT_LENGTH:
buffer[cursor++] = c; buffer[cursor] = '\0';
break;
}
}
}
break;
case BODY:
if(cr == 2 || __head.length == 0) client.flush();
else if(cursor < uHTTP_BODY_SIZE - 1){ __body[cursor++] = c; __body[cursor] = '\0'; }
break;
}
}
}
return client;
}
