Diff: main.cpp

Revision:

0:7d6abca457ee

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Dec 23 16:17:01 2015 +0000
@@ -0,0 +1,74 @@
+#include "mbed.h"
+#include "EthernetInterface.h"
+#include "NTPClient.h"
+#include "LedPanel.h"
+#include "LedPanel_GFX.h"
+
+EthernetInterface eth;
+NTPClient ntp;
+I2C i2c(p9, p10);
+
+LedPanel matrix(&i2c);
+
+char *Number2ShiftJis(char num)
+{
+    short code = num + 0x824F;
+    char ShiftJisCode[3];
+    
+    code = ntohs(code);
+    memcpy( ShiftJisCode , &code , 2 );
+    ShiftJisCode[2] = '\0';
+    return(ShiftJisCode);
+}
+
+int main() 
+{
+    matrix.begin(0x70,0x71);
+    matrix.setBrightness(1);
+    
+    matrix.writeDisplay();
+
+    eth.init(); //Use DHCP
+
+    eth.connect();
+   
+    printf("Trying to update time...\r\n");
+    if (ntp.setTime("ntp.nict.jp") == 0)
+    {
+      printf("Set time successfully\r\n");
+      time_t ctTime;
+      ctTime = time(NULL) + 32400;
+      printf("Time is set to (UTC): %s\r\n", ctime(&ctTime));
+    }
+    else
+    {
+      printf("Error\r\n");
+      return(-1);
+    } 
+   
+    eth.disconnect();
+    
+    int old_hour = 0;
+    int old_min = 0;
+
+    while(1) {
+        
+        time_t ctTime;
+        ctTime = time(NULL) + 32400;
+
+        struct tm * strtim;
+        strtim = localtime( &ctTime );
+
+        if( strtim->tm_min != old_min )
+        {
+            old_min = strtim->tm_min;
+            matrix.setCursor(0,0);
+            matrix.printf("%s",Number2ShiftJis(strtim->tm_hour/10));
+            matrix.printf("%s",Number2ShiftJis(strtim->tm_hour%10));
+            matrix.printf("%s",Number2ShiftJis(strtim->tm_min/10));
+            matrix.printf("%s",Number2ShiftJis(strtim->tm_min%10));
+            matrix.writeDisplay();
+        }
+    }
+}
+