void ToggleLed4(void * pvParameters)
{
struct netconn *connn;
struct netbuf *buf1;
struct netbuf *buf2;
struct ip_addr addr;
char *data1;
char *data2;
char text1[] = "Hello,my name is SK-STM32F217\n\r";
char text2[] = "I am transmit UDP package\n\r";
int i,n = 0;

/* create a new connection */
connn = netconn_new(NETCONN_UDP);
/* set up the IP address of the remote host */
addr.addr = htonl(0xC0A802A8);
/* connect the connection to the remote host */
netconn_connect(connn, &addr, 7);
/* create a new netbuf */
buf1 = netbuf_new();
buf2 = netbuf_new();

while(1)
{
test = xnetif.ip_addr.addr;
/*check if IP address assigned*/
if (test !=0)
{
for( ;; )
{
/* toggle LED1 each 250ms */
STM_EVAL_LEDToggle(LED1);
vTaskDelay(1000);

data1 = netbuf_alloc(buf1, strlen(text1));
/* create some arbitrary data */
for(i = 0; i < sizeof(text1); i++)
data1[i] = text1[i];

data2 = netbuf_alloc(buf2, strlen(text2));
/* create some arbitrary data */
for(i = 0; i < sizeof(text2); i++)
data2[i] = text2[i];
if(n == 0)
{
n = 1;
netbuf_ref(buf1, text1, strlen(text1));
netconn_send(connn, buf1);
netbuf_delete(buf1);
}
else
{
n = 0;
netbuf_ref(buf2, text2, strlen(text2));
netconn_send(connn, buf2);
netbuf_delete(buf2);
}
}
}
}
}

...
STM_EVAL_LEDOn(LED2);
for(j = 0; j < 1000; j++)
{
data1 = netbuf_alloc(buf1, strlen(text1));
/* create some arbitrary data */
for(i = 0; i < sizeof(text1); i++)
data1[i] = text1[i];

data2 = netbuf_alloc(buf2, strlen(text2));
/* create some arbitrary data */
for(i = 0; i < sizeof(text2); i++)
data2[i] = text2[i];

if(n == 0)
{
n = 1;
netbuf_ref(buf1, text1, strlen(text1));
netconn_send(connn, buf1);
netbuf_delete(buf1);
}
else
{
n = 0;
netbuf_ref(buf2, text2, strlen(text2));
netconn_send(connn, buf2);
netbuf_delete(buf2);
}
}
STM_EVAL_LEDOff(LED2);
}

void ToggleLed4(void * pvParameters)
{
const int Size = 255;
const int Count = 100;
struct netconn *connn;
struct netbuf *buf1;
struct ip_addr addr;
char *data1;
char text1[Size];
int i,j,n = 0;

for(n = 0; n < Size; n++)
text1[n] = 0x55;
/* create a new connection */
connn = netconn_new(NETCONN_UDP);
/* set up the IP address of the remote host */
addr.addr = htonl(0xC0A802A8);
/* connect the connection to the remote host */
netconn_connect(connn, &addr, 7);
/* create a new netbuf */
buf1 = netbuf_new();

while(1)
{
test = xnetif.ip_addr.addr;
/*check if IP address assigned*/
if (test !=0)
{
for( ;; )
{
/* toggle LED1 each 250ms */
STM_EVAL_LEDToggle(LED1);
vTaskDelay(1000);

STM_EVAL_LEDOn(LED2);
for(j = 0; j < Count; j++)
{
data1 = netbuf_alloc(buf1, strlen(text1));
/* create some arbitrary data */
for(i = 0; i < sizeof(text1); i++)
data1[i] = text1[i];


netbuf_ref(buf1, text1, strlen(text1));
netconn_send(connn, buf1);
netbuf_delete(buf1);
}
STM_EVAL_LEDOff(LED2);
}
}
}
}