[Feature]Upload Modem source code

Change-Id: Id4294f30faced84d3e6fd6d5e61e1111bf287a37
diff --git a/mcu/driver/devdrv/hsl/src/drv_hsl.c b/mcu/driver/devdrv/hsl/src/drv_hsl.c
new file mode 100644
index 0000000..b924630
--- /dev/null
+++ b/mcu/driver/devdrv/hsl/src/drv_hsl.c
@@ -0,0 +1,139 @@
+/*****************************************************************************
+*  Copyright Statement:
+*  --------------------
+*  This software is protected by Copyright and the information contained
+*  herein is confidential. The software may not be copied and the information
+*  contained herein may not be used or disclosed except with the written
+*  permission of MediaTek Inc. (C) 2013
+*
+*  BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
+*  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
+*  RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
+*  AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
+*  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
+*  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
+*  NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
+*  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
+*  SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
+*  THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
+*  NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
+*  SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
+*
+*  BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
+*  LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
+*  AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
+*  OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
+*  MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
+*
+*  THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
+*  WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
+*  LAWS PRINCIPLES.  ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
+*  RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
+*  THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
+*
+*****************************************************************************/
+
+/*******************************************************************************
+ * Filename:
+ * ---------
+ *  drv_hsl.c 
+ *
+ * Project:
+ * --------
+ *   MOLY
+ *
+ * Description:
+ * ------------
+ *   Driver of LTE L1 ESL High Speed Logger 
+ * 
+ * Author:
+ * -------
+ * -------
+ *
+ * ==========================================================================
+ * $Log$
+ ****************************************************************************/
+#include <kal_public_api.h>
+#include <drv_hsl.h>
+
+#define HSL_MAX_BUFFER_SIZE 512
+#define HSL_MAX_RAW_TRACE_SIZE (128)
+
+static char _hslBuffer[HSL_MAX_BUFFER_SIZE];
+
+/*-----------------------------------------------------------------------*
+* FUNCTION
+*  HSLPrintSting 
+*
+* DESCRIPTION
+*  This function print a string with given length to HSL
+*
+* PARAMETERS
+*  string: string to print
+*  size: length of the string
+*
+* RETURNS
+*  None.
+*
+*------------------------------------------------------------------------*/
+void HSLPrintString(char * string, unsigned long int size)
+{
+    unsigned long int idx;
+
+    for(idx = 0; idx < size; idx++)
+    {
+        M_HSLPrintChar(string[idx]);
+    }
+}
+
+/*-----------------------------------------------------------------------*
+* FUNCTION
+*  HSLPrintf
+*
+* DESCRIPTION
+*  This function is a generic printf entry for HSL
+*
+* PARAMETERS
+*  fmt: string format 
+*
+* RETURNS
+*  None.
+*
+*------------------------------------------------------------------------*/
+void HSLPrintf(const char * fmt, ... )
+{
+    unsigned long int size;
+    va_list args;
+
+    va_start(args, fmt);
+    size = vsnprintf(_hslBuffer, HSL_MAX_BUFFER_SIZE, fmt, args);
+    va_end(args);
+
+    if(size >= HSL_MAX_BUFFER_SIZE)
+    {
+        /* truncated */
+        size = HSL_MAX_BUFFER_SIZE - 1;
+    }
+
+    HSLPrintString(_hslBuffer, size);
+}
+
+void hsl_printf(const char * fmt, ... )
+{
+    char buffer[HSL_MAX_RAW_TRACE_SIZE];
+    unsigned long int size;
+    va_list args;
+
+    va_start(args, fmt);
+    size = vsnprintf(_hslBuffer, HSL_MAX_BUFFER_SIZE, fmt, args);
+    va_end(args);
+
+    if(size >= HSL_MAX_RAW_TRACE_SIZE)
+    {
+        /* truncated */
+        buffer[HSL_MAX_RAW_TRACE_SIZE-1] = 0;
+        size = HSL_MAX_RAW_TRACE_SIZE - 1;
+    }
+
+    HSLPrintString(_hslBuffer, size);
+}