Add basic change for v1453

Change-Id: I9497a61bbc3717f66413794a4e7dee0347c0bc33
diff --git a/mbtk/libql_lib_v2_rilv2/ql_atc.c b/mbtk/libql_lib_v2_rilv2/ql_atc.c
new file mode 100755
index 0000000..5626121
--- /dev/null
+++ b/mbtk/libql_lib_v2_rilv2/ql_atc.c
@@ -0,0 +1,71 @@
+#include "ql_atc.h"
+#include "ql_type.h"
+
+#include "mbtk_at.h"
+
+/*-----------------------------------------------------------------------------------------------*/
+/**
+  @brief Initialize ATC service.
+  @note You must call this function before other functions can be used in this module.
+  @return Whether the ATC service was successfully intialized.
+  @retval QL_ERR_OK successful.
+  @retval QL_ERR_SERVICE_NOT_READY service is not ready, need to retry.
+  @retval Other error code defined by ql_type.h.
+  */
+/*-----------------------------------------------------------------------------------------------*/
+int ql_atc_init(void)
+{
+	return mbtk_at_init();
+}
+
+
+/*-----------------------------------------------------------------------------------------------*/
+/**
+  @brief send at command async.
+  @param[in] req_buf At command request content
+  @param[out] async_index Async AT command index
+  @param[in] async_cb Async callback function
+  @return Whether to successfully send the AT command asynchronously
+  @retval QL_ERR_OK successful
+  @retval QL_ERR_NOT_INIT uninitialized
+  @retval QL_ERR_SERVICE_NOT_READY service is not ready
+  @retval Other error code defined by ql_type.h
+  */
+/*-----------------------------------------------------------------------------------------------*/
+int ql_atc_send_async(char *req_buf, int *async_index, void *async_cb)
+{
+	return QL_ERR_UNSUPPORTED;
+}
+
+
+/*-----------------------------------------------------------------------------------------------*/
+/**
+  @brief send AT command.
+  @param[in] req_buf At command request content
+  @param[in] rsp_buf At command response content
+  @param[in] rsp_len The length of rsp_buf
+  @return Whether to successfully send AT command
+  @retval QL_ERR_OK successful
+  @retval QL_ERR_NOT_INIT uninitialized
+  @retval QL_ERR_SERVICE_NOT_READY service is not ready
+  @retval Other error code defined by ql_type.h
+  */
+/*-----------------------------------------------------------------------------------------------*/
+int ql_atc_send(char *req_buf, char *rsp_buf, int rsp_len)
+{
+	return mbtk_at_send(req_buf, rsp_buf, rsp_len);
+}
+
+/*-----------------------------------------------------------------------------------------------*/
+/**
+  @brief Deinitialize ATC service.
+  @return Whether the DM service was successfully deintialized.
+  @retval QL_ERR_OK successful.
+  @retval Other error code defined by ql_type.h.
+  */
+/*-----------------------------------------------------------------------------------------------*/
+int ql_atc_deinit(void)
+{
+	return mbtk_at_deinit();
+}
+