Joseph Lind
Control an LCD connected to your mbed with a Twitter account.
Dependencies: EthernetInterface HTTPClientAuthAndPathExtension NokiaLCDScreenErrorFixed mbed-rtos mbed
Revision 0:b3d9fc5861c6, committed 2012-10-12
- Comitter:
- jlind6
- Date:
- Fri Oct 12 16:49:30 2012 +0000
- Commit message:
- Initial commit. Can be used with specific Twitter accounts.
Changed in this revision
diff -r 000000000000 -r b3d9fc5861c6 EthernetInterface.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EthernetInterface.lib Fri Oct 12 16:49:30 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/EthernetInterface/#a0ee3ae75cfa
diff -r 000000000000 -r b3d9fc5861c6 HTTPClientAuthAndPathExtension.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/HTTPClientAuthAndPathExtension.lib Fri Oct 12 16:49:30 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/jlind6/code/HTTPClientAuthAndPathExtension/#951bf897ba01
diff -r 000000000000 -r b3d9fc5861c6 NokiaLCDScreenErrorFixed.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NokiaLCDScreenErrorFixed.lib Fri Oct 12 16:49:30 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/jlind6/code/NokiaLCDScreenErrorFixed/#63ee0e0970ac
diff -r 000000000000 -r b3d9fc5861c6 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Oct 12 16:49:30 2012 +0000
@@ -0,0 +1,118 @@
+
+#include "mbed.h"
+#include "EthernetInterface.h"
+#include "HTTPClient.h"
+#include "NokiaLCD.h"
+#include <string>
+
+EthernetInterface eth;
+HTTPClient client;
+DigitalOut indicatorLED(LED1);
+NokiaLCD lcd(p5, p7, p8, p9, NokiaLCD::LCD6610); // mosi, sclk, cs, rst, type
+char *str;
+char url[1024];
+
+int main() {
+ string text;
+ int background = 0x0000FF;
+ int squareColor = 0x00FF00;
+ int squareLength = 0;
+
+ string previousID;
+
+ eth.init();
+ eth.connect();
+
+ str = (char *) malloc(8192);
+
+
+ while(1) {
+ int ret;
+ if(previousID.empty()) {
+ ret = client.get("http://api.supertweet.net/1.1/statuses/mentions_timeline.json?count=1", str, 4096);
+ } else {
+ sprintf(url, "http://api.supertweet.net/1.1/statuses/mentions_timeline.json?since_id=%s\0", previousID.c_str());
+ ret = client.get(url, str, 4096);
+ }
+ if (ret) {
+ printf("Error - ret = %d - HTTP return code = %d\n", ret, client.getHTTPResponseCode());
+ return 1;
+ }
+
+ string tweetInfo(str);
+ string tweetCommand;
+ string tweetSetting;
+ size_t foundStart = string::npos;
+ if(tweetInfo.compare("[]")) {
+ foundStart = tweetInfo.rfind("\"text\":\"@");
+ }
+ size_t foundEnd;
+ while(foundStart != string::npos) {
+ foundStart += 24;
+ foundEnd = tweetInfo.find(" ",foundStart);
+ if(foundEnd != string::npos) {
+ tweetCommand = tweetInfo.substr(foundStart, foundEnd - foundStart);
+ } else {
+ continue;
+ }
+ foundStart = foundEnd + 1;
+ foundEnd = tweetInfo.find("\"",foundStart);
+ tweetSetting = tweetInfo.substr(foundStart, foundEnd - foundStart);
+
+ printf("%s*%s*\n", tweetCommand.c_str(), tweetSetting.c_str());
+
+ if(!tweetCommand.compare("background")) {
+ if(!tweetSetting.compare("blue")) {
+ background = 0x0000FF;
+ squareColor = 0x00FF00;
+ } else if(!tweetSetting.compare("green")) {
+ background = 0x00FF00;
+ squareColor = 0xFF0000;
+ } else if(!tweetSetting.compare("red")) {
+ background = 0xFF0000;
+ squareColor = 0x0000FF;
+ } else {
+ text = "Invalid tweet setting";
+ }
+ } else if(!tweetCommand.compare("write")) {
+ text = tweetSetting;
+ } else if(!tweetCommand.compare("square")) {
+ squareLength = atoi(tweetSetting.c_str());
+ } else {
+ text = "Invalid tweet command";
+ }
+
+ foundStart -= 60;
+ foundStart = tweetInfo.rfind("\"text\":\"@", foundStart);
+ printf("%d*%d*\n", foundStart, string::npos);
+ }
+
+ lcd.cls();
+ lcd.fill(0, 0, 130, 130, background);
+ lcd.background(background);
+ lcd.locate(0, 7);
+ lcd.printf(text.c_str());
+ if(squareLength > 0) {
+ int i;
+ for(int i=65-(squareLength/2); i<65+(squareLength/2);i++) {
+ lcd.pixel(i, 65-(squareLength/2), squareColor);
+ lcd.pixel(i, 65+(squareLength/2), squareColor);
+ }
+ for(i=65-(squareLength/2); i<65+(squareLength/2);i++) {
+ lcd.pixel(65-(squareLength/2), i, squareColor);
+ lcd.pixel(65+(squareLength/2), i, squareColor);
+ }
+ }
+
+ if(tweetInfo.compare("[]")) {
+ foundStart = tweetInfo.find("\"id_str\":\"");
+ foundStart += 10;
+ foundEnd = tweetInfo.find("\"", foundStart);
+ previousID = tweetInfo.substr(foundStart, foundEnd - foundStart);
+ printf("%s\n", previousID.c_str());
+ }
+
+ wait(30);
+ }
+
+}
diff -r 000000000000 -r b3d9fc5861c6 mbed-rtos.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos.lib Fri Oct 12 16:49:30 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed-rtos/#9654a71f5a90
diff -r 000000000000 -r b3d9fc5861c6 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Oct 12 16:49:30 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/cd19af002ccc \ No newline at end of file