elliot briggs
checks http://wedgefest.wind.ttu.edu/obs/TTU_LBBW.html every 5 minutes and records the temperature and humidity values located in the webpage's text
Dependencies: EthernetNetIf mbed
Revision 0:f46e4f26425a, committed 2010-08-09
- Comitter:
- elliotb
- Date:
- Mon Aug 09 14:12:07 2010 +0000
- Child:
- 1:35888a9f0a48
- Commit message:
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EthernetNetIf.lib Mon Aug 09 14:12:07 2010 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/donatien/code/EthernetNetIf/#bc7df6da7589
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/HTTPClient.lib Mon Aug 09 14:12:07 2010 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/donatien/code/HTTPClient/#d97a4fc01c86
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/getweather.cpp Mon Aug 09 14:12:07 2010 +0000
@@ -0,0 +1,75 @@
+#include "mbed.h"
+#include "EthernetNetIf.h"
+#include "HTTPClient.h"
+
+EthernetNetIf eth;
+HTTPClient http;
+
+HTTPResult result;
+bool completed = false;
+void request_callback(HTTPResult r) {
+ result = r;
+ completed = true;
+}
+
+void checkweather(HTTPStream &stream);
+
+char * location;
+char temperature[3];
+char humidity[3];
+char BigBuf[512 + 1] = {0};
+
+int main() {
+ printf("Start\n");
+ printf("Setting up...\n");
+ EthernetErr ethErr = eth.setup();
+ if (ethErr) {
+ printf("Error %d in setup.\n", ethErr);
+ return -1;
+ }
+ printf("Setup OK\n");
+ HTTPStream stream;
+ stream.readNext((byte*)BigBuf, 512);
+
+ checkweather(stream);
+
+
+ while (1) {
+
+ }
+ return 0;
+}
+
+void checkweather(HTTPStream &stream) {
+ HTTPResult r = http.get("http://mobile.weather.gov/port_mp_ns.php?select=3&CityName=Lubbock&site=LUB&State=TX&warnzone=TXZ035", &stream, request_callback); //Load a very large page
+ while (!completed) {
+ Net::poll(); //Polls the Networking stack
+ if (stream.readable()) {
+ BigBuf[stream.readLen()] = 0; //Transform this buffer in a zero-terminated char* string
+
+ // look for key words in the html text
+ location = strstr(BigBuf,"Temperature");
+ if (location != NULL) {
+ strncpy(temperature,location+13,2);
+ location = NULL;
+ }
+
+ location = strstr(BigBuf,"Humidity");
+ if (location != NULL) {
+ strncpy(humidity,location+10,2);
+ location = NULL;
+ }
+
+ stream.readNext((byte*)BigBuf, 512); //Buffer has been read, now we can put more data in it
+ }
+ }
+ printf("\n--------------\n");
+ if (result == HTTP_OK) {
+ printf("Read completely\n");
+ printf("Temperature: %s deg F \n",temperature);
+ printf("Humidity: %s percent \n",humidity);
+
+ } else {
+ printf("Error %d\n", result);
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon Aug 09 14:12:07 2010 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/9114680c05da