UDPServer
和Client不同的是要实现blink功能
#define SERVERADDR "192.168.0.106"
#define SERVERPORT 6008
void ATaskUdpServer(void *pvParameters)
{
int iVariableExample = 0;
int fd = -1;
int NetTimerOut = 5000;
int ret;
struct sockaddr_in serverAddr;
struct sockaddr from;
socklen_t fromlen = sizeof(struct sockaddr);
char udpmsg[48];
STATION_STATUS StaStatus;
do
{
StaStatus = wifi_station_get_connect_status();
vTaskDelay(100);
} while (StaStatus != STATION_GOT_IP);
fd = socket(PF_INET, SOCK_DGRAM, 0);
if (fd == -1)
{
printf("get socket fail!\n");
vTaskDelete(NULL);
}
setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &NetTimerOut, sizeof(int));
memset(&serverAddr, 0, sizeof(serverAddr));
serverAddr.sin_family = AF_INET;
serverAddr.sin_addr.s_addr = INADDR_ANY;
serverAddr.sin_port = htons(SERVERPORT);
serverAddr.sin_len = sizeof(serverAddr);
if(bind(fd, (struct sockaddr*)&serverAddr, serverAddr.sin_len) != 0)
{
printf("bind socket fail!\n");
vTaskDelete(NULL);
return;
}
for (;;)
{
do
{
ret = recvfrom(fd, udpmsg, 48, 0, &from, &fromlen);
if (ret > 0)
{
printf("UdpCient:%s\n", udpmsg);
}
else
{
printf("UdpClent data is no!\n");
/* code */
}
vTaskDelay(100);
} while (ret == -1);
sendto(fd, "I am udpServer", sizeof("I am udpclient"), 0, &from, fromlen);
}
vTaskDelete(NULL);
}
void updserver_int(void)
{
xTaskCreate(ATaskUdpServer, "udpserver", 256, NULL, 4, NULL);
}
测试结果
串口数据:
网口数据