Diff: main.cpp

Revision:

0:4e33b86642bd

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Jul 11 14:34:23 2014 +0000
@@ -0,0 +1,72 @@
+#include "mbed.h"
+#include "EthernetInterface.h"
+#include "TextLCD.h"
+
+TextLCD lcd(p24, p26, p27, p28, p29, p30);
+DigitalIn sw(p21);
+AnalogOut  out(p18);
+AnalogIn in(p20);
+
+// DES_ADDRESS(Static IP)
+const char* DES_ADDRESS = "192.168.0.21";
+//const char* DES_ADDRESS = "192.168.0.26";
+
+const int PORT = 50505;
+const int DSIZE = 1024;
+
+UDPSocket server;
+Endpoint client;
+unsigned short rtmp,wtmp;
+unsigned char rbuf[DSIZE], wbuf[DSIZE];
+
+void read(void) {
+    int i;
+    for ( i = 0 ; i < DSIZE ; i=i+2 ){
+        rtmp = in.read_u16();
+        rbuf[i] = (unsigned char)(rtmp & 0x00FF);
+        rbuf[i+1] = (unsigned char)((rtmp>>8)&0x00FF) ;          
+        wait(0.0001);  
+    }    
+    server.sendTo(client, (char*)rbuf, sizeof(rbuf));     
+}       
+
+void write(void) {
+    int i;
+
+    server.receiveFrom(client, (char*)wbuf, sizeof(wbuf));
+    for ( i = 0 ; i < DSIZE ; i=i+2 ){
+        wtmp = (unsigned char)(wbuf[i+1]);
+        wtmp <<=8;
+        wtmp |= (unsigned char)wbuf[i] ;
+        out.write_u16(wtmp) ;
+        wait(0.0001);
+    }            
+}    
+  
+ 
+int main (void) {
+    EthernetInterface eth;
+
+    eth.init("192.168.0.26","255.255.255.0","192.168.0.1"); 
+    //eth.init("192.168.0.21","255.255.255.0","192.168.0.1"); 
+
+    eth.connect();
+    lcd.printf("%s", eth.getIPAddress());
+    
+    server.bind( PORT );
+    server.set_blocking(false) ;
+    client.set_address(DES_ADDRESS, PORT);
+
+    while(1) {
+        if ( sw == 0 ){
+            lcd.locate(0,1);
+            lcd.printf("Listen...");    
+                        
+            write();
+        }else{
+            read();
+            lcd.locate(0,1);
+            lcd.printf("Talk...  ");
+        }
+    }    
+}
\ No newline at end of file