epicardium: BLE opt in

epicardium/main.c

@@ -28,12 +28,12 @@ int bleShallStart(void)
 
 	char cfgBuf[BLEMAXCFGBYTES + 1];
 	int readNum = epic_file_read(bleConfigFile, cfgBuf, BLEMAXCFGBYTES);
+	epic_file_close(bleConfigFile);
 	if (readNum < 0) {
 		LOG_INFO(
 			"startup",
 			"can not read ble.txt -> BLE is not started"
 		);
-		epic_file_close(bleConfigFile);
 		return 0;
 	}
 	cfgBuf[readNum] = '\0';
@@ -46,12 +46,10 @@ int bleShallStart(void)
 			"startup",
 			"ble.txt is not \"active=true\" -> BLE is not started"
 		);
-		epic_file_close(bleConfigFile);
 		return 0;
 	}
 
 	LOG_INFO("startup", "ble.txt is \"active=true\" -> BLE is starting");
-	epic_file_close(bleConfigFile);
 	return 1;
 }