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Code Issues Releases Activity

Updated TwitterClient example to fix timing bug

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This commit is contained in:
Tom Igoe 2012-03-02 13:13:06 -05:00
parent 3f7ce2e14b
commit 366a490973
1 changed files with 8 additions and 3 deletions
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11
libraries/Ethernet/examples/TwitterClient/TwitterClient.ino
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@ -17,6 +17,7 @@
* Ethernet shield attached to pins 10, 11, 12, 13 * Ethernet shield attached to pins 10, 11, 12, 13
created 21 May 2011 created 21 May 2011
updates 2 Mar 2012
by Tom Igoe by Tom Igoe
This code is in the public domain. This code is in the public domain.
@ -29,18 +30,18 @@
// Enter a MAC address and IP address for your controller below. // Enter a MAC address and IP address for your controller below.
// The IP address will be dependent on your local network: // The IP address will be dependent on your local network:
byte mac[] = { byte mac[] = {
0x00, 0xAA, 0xBB, 0xCC, 0xDE, 0x01 }; 0xDE,0xAD,0xBE,0xEF,0xFE,0xED };
IPAddress ip(192,168,1,20); IPAddress ip(192,168,1,20);
// initialize the library instance: // initialize the library instance:
EthernetClient client; EthernetClient client;
const int requestInterval = 60000; // delay between requests const unsigned long requestInterval = 60000; // delay between requests
char serverName[] = "api.twitter.com"; // twitter URL char serverName[] = "api.twitter.com"; // twitter URL
boolean requested; // whether you've made a request since connecting boolean requested; // whether you've made a request since connecting
long lastAttemptTime = 0; // last time you connected to the server, in milliseconds unsigned long lastAttemptTime = 0; // last time you connected to the server, in milliseconds
String currentLine = ""; // string to hold the text from server String currentLine = ""; // string to hold the text from server
String tweet = ""; // string to hold the tweet String tweet = ""; // string to hold the tweet
@ -54,10 +55,14 @@ void setup() {
// initialize serial: // initialize serial:
Serial.begin(9600); Serial.begin(9600);
// attempt a DHCP connection: // attempt a DHCP connection:
Serial.println("Attempting to get an IP address using DHCP:");
if (!Ethernet.begin(mac)) { if (!Ethernet.begin(mac)) {
Serial.println("failed to get an IP address using DHCP, trying manually");
// if DHCP fails, start with a hard-coded address: // if DHCP fails, start with a hard-coded address:
Ethernet.begin(mac, ip); Ethernet.begin(mac, ip);
} }
Serial.print("My IP address:");
Serial.println(ip);
// connect to Twitter: // connect to Twitter:
connectToServer(); connectToServer();
} }