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source/rt_thread/components/finsh/finsh_port.c

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+
+#include <rthw.h>
+#include <rtconfig.h>
+
+#ifndef RT_USING_FINSH
+#error Please uncomment the line <#include "finsh_config.h"> in the rtconfig.h 
+#endif
+
+#ifdef RT_USING_FINSH
+
+RT_WEAK char rt_hw_console_getchar(void)
+{
+    /* Note: the initial value of ch must < 0 */
+    int ch = -1;
+
+#error "TODO 4: Read a char from the uart and assign it to 'ch'."
+
+    return ch;
+}
+
+#endif /* RT_USING_FINSH */
+