Soket demo

```language #include "amaziot.h" #define USER_TASK_STACK_SIZE (2048) #define USER_TASK_PRIORITY (COS_USER_TASKS_PRIORITY_BASE) #define DIRECT_RECV_LEN 1024 /* add user task here */ void UserTask(void *p_arg); VOID UserCreateTask(void) { COS_CreateTask(UserTask,NULL, NULL,USER_TASK_STACK_SIZE,USER_TASK_PRIORITY,COS_CREATE_DEFAULT, 0, "UserTask"); } void UserTask(void *p_arg) { UINT32 ret = 0; SOCKET amaziot_dir_socketId = INVALID_SOCKET; UINT8 pData[DIRECT_RECV_LEN]={0}; char *ip="39.98.92.198"; unsigned short port=8092; AT_WriteUart("SocketTask Runing\r\n", strlen("SocketTask Runing\r\n")); //wait for dev reg net wait_dev_reg_net(); //init Tcp if(Amaziot_Tcp_Directinit()==0) AT_WriteUart("Amaziot_Tcp_Directinit fail\r\n", strlen("Amaziot_Tcp_Directinit fail\r\n")); //connect Tcp if((amaziot_dir_socketId = Amaziot_Tcp_connect(ip,port))==INVALID_SOCKET) AT_WriteUart("Amaziot_Tcp_connect fail\r\n", strlen("Amaziot_Tcp_connect fail\r\n")); //send data Amaziot_delay_3s(); //delay for socket OK UINT8 arrStr[]="hello"; if((ret = Amaziot_Tcp_Send(amaziot_dir_socketId, arrStr, strlen(arrStr), 0))==SOCKET_ERROR) AT_WriteUart("Amaziot_Tcp_Send fail\r\n", strlen("Amaziot_Tcp_Send fail\r\n")); while (1) { ret = Amaziot_Tcp_Rec(amaziot_dir_socketId, pData, DIRECT_RECV_LEN, 0); if (SOCKET_ERROR == ret) { Amaziot_Tcp_Close(amaziot_dir_socketId); AT_WriteUart("Amaziot_Tcp_Rev fail\r\n", strlen("Amaziot_Tcp_Rev fail\r\n")); return; } else{ //uart print recv data if(ret>0){ AT_WriteUart(pData, strlen(pData)); memset(pData,0,DIRECT_RECV_LEN); } } } } ```