Add toolchain and mbtk source

Change-Id: Ie12546301367ea59240bf23d5e184ad7e36e40b3
diff --git a/mbtk/include/ql/ql_fota.h b/mbtk/include/ql/ql_fota.h
new file mode 100755
index 0000000..fab1d48
--- /dev/null
+++ b/mbtk/include/ql/ql_fota.h
@@ -0,0 +1,95 @@
+/**  
+  @file
+  ql_fota.h
+
+  @brief
+  This file provides the definitions for device, and declares the 
+  API functions.
+
+*/
+/*============================================================================
+  Copyright (c) 2017 Quectel Wireless Solution, Co., Ltd.  All Rights Reserved.
+  Quectel Wireless Solution Proprietary and Confidential.
+ =============================================================================*/
+/*===========================================================================
+
+                        EDIT HISTORY FOR MODULE
+
+This section contains comments describing changes made to the module.
+Notice that changes are listed in reverse chronological order.
+
+
+WHEN        WHO            WHAT, WHERE, WHY
+----------  ------------   ----------------------------------------------------
+08/11/2019  baron.qian      create
+=============================================================================*/
+#ifndef __QL_FOTA_H__
+#define __QL_FOTA_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum {
+    QUEC_FOTA_OK,           /*OK*/
+    QUEC_FOTA_FAILED        /*failed*/
+}QL_FOTA_STATUS;
+
+/*callback function define, used to get upgrade state and rate of process*/
+typedef int(*fota_callback)(int state, int percent);
+
+/*******************************************************************************
+* @brief fota initialize
+  @param 
+    
+    fota_callback: callback function
+  @return 
+        if success return 0, else return -1
+ *******************************************************************************/
+int ql_fota_init(fota_callback cb);
+
+/*******************************************************************************
+* @brief write firmware package, the firmware package is written in segments.
+         and The result of the write is output by calling the callback function.
+         the firmware package size must less than 32MB
+  @param 
+           fname: firmware package file
+    segment_size: the length of once write, recommending 3*1024*1024 bytes
+  @return 
+        if success return 0, else return -1
+ *******************************************************************************/
+int ql_fota_fw_write(char *fname, int segment_size);
+
+
+/*******************************************************************************
+* @brief download firmware by url, and write firmware package, the firmware 
+         package is written in segments. The result of the write is output by 
+         calling the callback function. the firmware package size must less than 
+         32MB
+  @param 
+                 url: [IN] the address of download firmware package file, the url   
+                           support http or https protocol.
+        segment_size: [IN] the length of once write, recommending 3*1024*1024 bytes
+        conn_timeout: [IN] timeout to connect to the server, if set 0 that means
+                           switch to the default build-in connection timeout(300s)
+    download_timeout: [IN] timeout for download the firmware file. if set 0 that means
+                           it never time out
+  @return 
+        if success return 0, else return -1
+ *******************************************************************************/
+int ql_fota_fw_write_by_url(char *url, int segment_size, int conn_timeout, int download_timeout);
+
+
+/*******************************************************************************
+* @brief reboot system and clear env
+  @param 
+   is_reboot: if set 1, after fota success, reboot system
+  @return 
+        if success return 0, else return -1
+ *******************************************************************************/
+int ql_fota_done(int is_reboot);
+
+#ifdef __cplusplus
+}
+#endif
+#endif //__QL_FOTA_H__