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

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

Third_party/sdkEng/dev_model/impl_ntp.h

@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2015-2018 Alibaba Group Holding Limited
+ */
+
+
+#ifndef NTP_H
+#define NTP_H
+
+#if defined(__cplusplus)  /* If this is a C++ compiler, use C linkage */
+extern "C" {
+#endif
+
+
+#define TOPIC_NTP                       "/ext/ntp/%s/%s/request"
+#define TOPIC_NTP_REPLY                 "/ext/ntp/%s/%s/response"
+
+#define NTP_TIME_STR_MAX_LEN            (20)
+
+int linkkit_ntp_time_request(void (*)(const char *ntp_offset_time_ms));
+
+#if defined(__cplusplus)  /* If this is a C++ compiler, use C linkage */
+}
+#endif
+
+#endif