Initial commit: CCU621_M firmware project with BLE debug link support.

Co-authored-by: Cursor <cursoragent@cursor.com>

BSP/letter_shell/shell_port.h

@@ -0,0 +1,33 @@
+/**
+ * @file shell_port.h
+ * @author Letter (NevermindZZT@gmail.com)
+ * @brief 
+ * @version 0.1
+ * @date 2019-02-22
+ * 
+ * @copyright (c) 2019 Letter
+ * 
+ */
+
+#ifndef __SHELL_PORT_H__
+#define __SHELL_PORT_H__
+
+#include "publicdata/public_define.h"
+
+#if (MY_SHELL_EN)
+#include "shell.h"
+#endif
+
+/* MY_SHELL_EN=0 时提供空桩，避免链接进 shell 代码 */
+#if (MY_SHELL_EN)
+extern Shell shell;
+void userShellInit(void);
+void v_myshell_task(void *argument);
+#else
+static inline void userShellInit(void) {}
+static inline void v_myshell_task(void *argument) { (void)argument; }
+#endif
+
+unsigned short shell_send_String(const char *string);
+void v_shell_print(const char *format, ...);
+#endif