read reply from tcp server

src/command.rs

@@ -310,4 +310,36 @@ impl Command {
             contains: Some("OK".to_string()),
         }
     }
+
+    pub fn tcp_receive(size: usize) -> Command {
+        Command {
+            text: format!("AT+CIPRXGET=2,{}", size),
+            timeout: Duration::from_millis(3000),
+            contains: Some("OK".to_string()),
+        }
+    }
+
+    pub fn tcp_receive_query_len() -> Command {
+        Command {
+            text: "AT+CIPRXGET=4".to_string(),
+            timeout: Duration::from_millis(3000),
+            contains: Some("OK".to_string()),
+        }
+    }
+
+    pub fn tcp_set_manual_receive() -> Command {
+        Command {
+            text: "AT+CIPRXGET=1".to_string(),
+            timeout: Duration::from_millis(3000),
+            contains: Some("OK".to_string()),
+        }
+    }
+
+    pub fn tcp_close() -> Command {
+        Command {
+            text: "AT+CIPCLOSE=0".to_string(),
+            timeout: Duration::from_millis(3000),
+            contains: Some("CLOSE OK".to_string()),
+        }
+    }
 }