refractoring and more tests

multilang_translator/backend_controller/broadcaster_play_once.py

@@ -3,21 +3,26 @@ from .broadcaster_config import write_to_serial_read_respone
 import time
 import logging as log
 
-def broadcaster_play_file(broadcast_ch, file):
+def broadcaster_play_file(broadcast_ch, file, wait_after_stop = 1):
     serial_port = "/dev/ttyACM0"
 
+    ret_all_str = ""
     for i in range(3):
         ret = write_to_serial_read_respone(serial_port, f"nac file stream_close {broadcast_ch} 0 0", timeout=0.1)
-        time.sleep(0.5)
+        if wait_after_stop is not None:
+            time.sleep(wait_after_stop)
         ret += "\n"
         ret += write_to_serial_read_respone(serial_port, f"nac file select_play_once {file} {broadcast_ch} 0 0", timeout=0.1)
         
-        ret_str = "\n".join(ret)
-        log.info(ret_str)
+        ret = "\n".join(ret)
+        ret_all_str += ret
 
-        if not "Failed" in ret:
+        if (not "Failed" in ret) and (not "err" in ret):
             log.info("Breaking after %s retries.", i)
-            break
+            log.info(ret_all_str)
+            return ret
 
-    return ret_str
+    log.error("Failed to play file after 3 retries.")
+    log.error(ret_all_str)
+    return ret_all_str