Diff: main.cpp

Revision:

0:51f3e67abb19

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Aug 26 16:12:29 2011 +0000
@@ -0,0 +1,83 @@
+#include "mbed.h"
+#include "EthernetNetIf.h"
+#include "TextLCD.h"
+#include "HTTPClient.h"
+
+TextLCD lcd(p24, p26, p27, p28, p29, p30); // rs, e, d4-d7
+
+EthernetNetIf eth; 
+HTTPClient http;
+
+int j_paser( const char *buf , char *word , char *out )
+{
+    int i = 0;
+    char *p;
+    char _word[64] = "\"\0";
+
+    strcat(_word , word );
+    strcat(_word , "\"" );
+
+    p = strstr( (char*)buf , _word ) + 2 + strlen(_word);
+    
+    while( (p[i] != ',')&&(p[i] != '\n') )
+    {
+        out[i] = p[i];
+        i++;
+    }
+    out[i] = '\0';
+    
+    return(i);
+}
+
+int main(void) {
+    
+    char year[32];
+    char month[32];
+    char day[32];
+    char hour[32];
+    char usage[32];
+    char capacity[32];
+    
+    EthernetErr ethErr = eth.setup();
+    if(ethErr)
+    {
+        lcd.locate(0,0);
+        lcd.printf("Ethernet err.");
+        return(-1);
+    }
+    
+    lcd.locate(0,0);
+    lcd.printf("Getting info.");
+    
+    HTTPText txt;
+    
+    HTTPResult r = http.get("http://tepco-usage-api.appspot.com/latest.json", &txt);
+    
+    if(r==HTTP_OK)
+    {
+        j_paser(txt.gets() , "year" , year);
+        j_paser(txt.gets() , "month" , month);
+        j_paser(txt.gets() , "day" , day);
+        j_paser(txt.gets() , "hour" , hour);
+        j_paser(txt.gets() , "usage" , usage);
+        j_paser(txt.gets() , "capacity" , capacity);
+        
+        lcd.locate(0,0);
+        lcd.printf("%s/%s/%s %sh",year,month,day,hour);
+        lcd.locate(0,1);
+        lcd.printf("%s/%s %3.1f%%",usage,capacity,(((float)atoi(usage)/(float)atoi(capacity))*100.0));
+    }
+    else
+    {
+        lcd.locate(0,0);
+        lcd.printf("Http get err.");
+        return(-1);
+    }
+    
+    while(1)
+    {
+        
+    }
+    
+    return(0);
+}