//
// TCP stuff
//
void sendToGraphite( String id, String value )
{
TCPClient client;
if ( client.connect( "rpi2", 2003 ) )
{
client.println( id + " " + value + " " + String( Time.now() ) );
client.stop();
}
}
void loop () {
if (!initialised && !connected && (lastCheck + 5000 < millis())) {
if (WiFi.ready()) {
connect("www.apple.com", 80);
if (connected) {
client.println("GET /library/test/success.html HTTP/1.1");
client.println("Host: www.apple.com");
client.println();
const char *success = "Success";
unsigned int successLocation = 0;
while (true) {
if (client.available()) {
int chr = client.read();
if (success[successLocation] == chr) {
successLocation ++;
if (successLocation == strlen(success)) {
initialised = true;
Spark.connect();
Spark.function("digitalread", tinkerDigitalRead);
Spark.function("digitalwrite", tinkerDigitalWrite);
Spark.function("analogread", tinkerAnalogRead);
Spark.function("analogwrite", tinkerAnalogWrite);
client.stop();
break;
}
}
else {
successLocation = 0;
}
}
else {
delay(2);
}
}
}
}
else {
return;
}
}
if (Serial.available()) {
if (connected) {
int bytes = Serial.available();
for (int i=0; i<bytes; i++) {
client.write(readSerial());
}
}
else {
int cmd = readSerial();
switch (cmd) {
case 'i':
Serial.println("Ready");
break;
case 'c': {
char* host;
char* stringPort;
readWord(); // junk space
host = readWord();
stringPort = readWord();
connect(host, atol(stringPort));
free(host);
free(stringPort);
break;
}
case 'w': {
char* ssid;
char* password;
readWord();
ssid = readWord();
password = readWord();
Serial.print("Wifi credentials set to SSID '");
Serial.print(ssid);
Serial.print("' and password '");
Serial.print(password);
Serial.println("'");
WiFi.setCredentials(ssid, password);
break;
}
default:
Serial.print("Don't know command: ");
Serial.write(cmd);
Serial.println();
break;
}
}
}
if (connected) {
int bytes = client.available();
for (int i=0; i<bytes; i++) {
Serial.write(client.read());
}
if (!client.connected()) {
Serial.println();
Serial.println("Disconnecting");
client.stop();
connected = false;
}
}
}
char * http_get(char const * hostname, String path) {
int i = 0;
int j = 0;
int k = 0;
bool printOnce = false;
if (client.connect(hostname, 80)) {
client.print("GET ");
client.print(path);
client.println(" HTTP/1.1");
client.print("HOST: ");
client.println(hostname);
client.println("Connection: close");
client.println();
client.flush();
} else {
if(DEBUG_SERIAL) Serial.println("\r\n\r\nConnection Failed!");
client.flush();
client.stop();
return NULL;
}
// wait 5 seconds or less for the host to respond
uint32_t startTime = millis();
while(!client.available() && (millis() - startTime) < 5000);
if(DEBUG_SERIAL) Serial.println("\r\n\r\nREADING HOST DATA......");
uint32_t lastRead = millis();
// If the host doesn't close it's connection, we'll timeout in 10 seconds.
while (client.connected() && (millis() - lastRead) < 10000) {
while (client.available()) {
char c = client.read();
/*
if(DEBUG_SERIAL) {
Serial.print(c);
if(i++ > 100) {
delay(5);
i = 0;
}
}
*/
if(c == -1) {
Serial.print("\r\n\r\nERROR......\r\n\r\n");
client.flush();
client.stop();
}
if(j++ >= SKIP_CHARS) { // don't buffer the first X bytes to save memory
if(DEBUG_SERIAL && !printOnce) {
Serial.print("\r\n\r\nSAVING......\r\n\r\n");
printOnce = true;
}
buffer[k++] = c; // save character to buffer
Serial.print(c);
delayMicroseconds(100);
if(k >= BUFFER_SIZE_MAX) { // if we reach the end of our buffer, just bail.
Serial.print("\r\n\r\nOUT OF BUFFER SPACE......\r\n\r\n");
client.flush();
client.stop();
}
}
// as long as we're reading data, reset the lastRead time.
lastRead = millis();
} // END while(client.available())
} // END while(client.connected())
client.flush();
client.stop();
if(DEBUG_SERIAL) {
Serial.print("\r\nCHARACTERS RECEIVED: ");
Serial.println(SKIP_CHARS + k);
}
return buffer;
}
void loop()
{
int debug = digitalRead(debug_tx);
if(!digitalRead(waitpin_C)){
// Skip mode, to ensure bootloader stays available
char buffer[32];
sprintf(buffer,"skip state: %d\r\n",state);
Serial1.print(buffer);
digitalWrite(led, HIGH); // Turn ON the LED
delay(100);
return;
}else{
digitalWrite(led, LOW); // Turn OFF the LED
}
delay(1);
switch(state){
case 0:
// Waiting for next time
wait-=10;
if(wait<0){
wait = 0;
state = 1;
}
break;
case 1:
// Connecting
if(debug) Serial1.println("connecting");
if (client.connect(server, 80)){
if(debug) Serial1.println("connected");
state = 2;
}else{
if(debug) Serial1.println("connection failed state 1");
wait = RETRY_INTERVAL;
state = 0;
}
break;
case 2:
// Requesting
tries = 0;
store = 0;
hash = 0;
command_i = 0;
for(int i=0; i<COMMAND_SIZE; i++) command[i] = 0;
if(client.connected()){
if(debug) client.println("GET // HTTP/1.0\r\n\r\n");
wait = RESPONSE_INTERVAL;
state = 3;
}else{
if(debug) Serial1.println("connection lost state 2");
wait = RETRY_INTERVAL;
state = 0;
}
break;
case 3:
// Receiving
if(client.connected()){
if (client.available() > 0)
{
// Print response to serial
char c = client.read();
if(debug) Serial1.print(c);
// If last expected char found, quit reading
if(c =='>') hash = 1;
// If first char of data found, start storing the string
if(c =='<') store = 1;
if(store){
command[command_i++] = c;
}
}else{
if(debug) Serial1.println("nd s3 ");
delay(100);
}
// Quit reading
if(hash){
Serial1.println();
state = 4;
}
}else{
// We lost connection
if(debug) Serial1.println("connection lost state 3");
wait = RETRY_INTERVAL;
state = 0;
}
break;
case 4:
// Disconnecting
if(client.connected()){
client.stop();
if(debug) Serial1.println("connection closed state 4");
wait = RENEW_INTERVAL;
state = 5;
}else{
if(debug) Serial1.println("connection closed by server state 4");
wait = RENEW_INTERVAL;
state = 5;
}
break;
case 5:
{
int code = 0;
// Parse data read
client.stop();
if(debug) Serial1.println("I've got this:");
for(int i=0; i<COMMAND_SIZE; i++) Serial1.write(command[i]);
Serial1.println("");
// Control display
//int code = (command[1]*1000)+(command[2]*100)+(command[3]*10)+(command[4]*1);
//float temp = atoi((const char*)&command[6]) + (0.1 * atoi((const char*)&command[8]));
sscanf((const char*)command,"<%d;%f>",&code,&temperature);
if(debug) Serial1.print("Code: ");Serial1.println(code);
if(debug) Serial1.print("Temp: ");Serial1.println(temperature);
display(temperature);
/*
char tempString[10]; //Used for sprintf
Serial1.println();
Serial1.write('v');
sprintf(tempString, "%4d", temp); //Convert deciSecond into a string that is right adjusted
Serial1.print(tempString);
*/
wait = RENEW_INTERVAL;
state = 0;
}
break;
}
}
// Called in a loop forever
void loop()
{
// When you push the button
if (digitalRead(D0) == HIGH)
{
// It might take a couple of loop() iterations to
// successfully connect to iamresponding.com
connecting = true;
// This is how to control the Spark's RGB LED
RGB.control(true);
// Red to indicate we're attempting to connect
RGB.color(255, 0, 0);
// Push the button once to respond to station.
// Push it again to cancel.
if (responding)
{
// Do just what the iamresponding.com app does
data = "{\"keyEntryDesc\":\"CANCELLED\",\"memberIDS\":\"\",\"subscriberID\":\"\",\"userfullname\":\"Jack Bates\"}";
}
else
{
data = "{\"keyEntryDesc\":\"Station\",\"memberIDS\":\"\",\"subscriberID\":\"\",\"userfullname\":\"Jack Bates\"}";
}
}
// We haven't successfully connected since the button was last
// pushed, keep trying!
if (connecting && client.connect(server, 80)) // HTTP is port
{ // number 80, FYI
// We successfully connected, stop trying
connecting = false;
// Yellow to indicate we successfully connected and
// sent the magic words
RGB.color(255, 255, 0);
// Again, just ape the iamresponding.com app
client.println("POST /v3/keyEntries.asmx/AddCallEntry HTTP/1.0");
client.print("Content-Length: ");
client.println(strlen(data));
client.println("Content-Type: application/json");
client.println("Host: iamresponding.com");
client.println();
// Send the magic words
client.print(data);
}
// iamresponding.com sent something back to *us*.
// (This is our only indication that TCPClient is done
// transmitting the magic words. You're welcome to get clever
// and check if iamresponding.com sent back confirmation or is
// reporting an error, this just assumes it's confirmation.)
if (client.available())
{
// If we were already responding, then now we aren't
// (cancelled) and vice versa (if we weren't, then now
// we are).
responding = !responding;
if (responding)
{
// Blue to indicate that iamresponding.com
// knows we're responding to station!
RGB.color(0, 0, 255);
}
else
{
// Restore the default RGB LED behavior when
// we're not responding (cancelled).
// (By default it shows the Wi-Fi status.)
RGB.control(false);
}
// Tricky: Clean up after transmitting the magic
// words. Close the connection to iamresponding.com
// and discard (flush) anything sent back to us, or
// else in the next loop() iteration we'll think
// iamresponding.com sent back something *again*.
client.stop();
client.flush();
}
}