建立工程，成功创建两个虚拟串口

source/OpenAMP/libmetal/lib/system/freertos/condition.c

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2016, Xilinx Inc. and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*
+ * @file	generic/condition.c
+ * @brief	Generic libmetal condition variable handling.
+ */
+
+#include <metal/condition.h>
+
+int metal_condition_wait(struct metal_condition *cv,
+			 metal_mutex_t *m)
+{
+	/* TODO: Implement condition variable for FreeRTOS */
+	(void)cv;
+	(void)m;
+	return 0;
+}