Revision 0:35df02818f6d, committed 2011-02-25

Comitter:

simon

Date:

Fri Feb 25 16:03:40 2011 +0000

Commit message:

Changed in this revision

diff -r 000000000000 -r 35df02818f6d main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Feb 25 16:03:40 2011 +0000
@@ -0,0 +1,38 @@
+#include "mbed.h"
+#include "Ethernet.h"
+
+Ethernet eth;
+
+#define NPACKETS 100000
+
+int main() {
+    printf("Hello Ethernet Rx Benchmark!\n");
+
+    char buffer[0x600];
+    int size = 0;
+    
+    char buf[6] = {0};
+    eth.address(buf);
+    printf("mbed MAC: %02hx:%02hx:%02hx:%02hx:%02hx:%02hx\n",
+            buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);    
+            
+    while(!eth.link());
+
+    printf("Waiting for %d packets...\n", NPACKETS);
+
+    Timer t;
+    int n = 0;
+    for(int i=0; i<NPACKETS; i++) {
+        do {
+            size = eth.receive();
+        } while(size <= 0);
+        eth.read(buffer, size);
+        n += size;
+    }
+    t.stop();
+    printf("Time = %.2f seconds\n", t.read());
+    
+    float bw = n * 8 / t.read();
+    printf("bandwidth = %.2f kbps\n", bw / 1024.0);
+
+}