--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nuc-fw/bsp/timer2.c	Thu Oct 24 02:47:14 2013 +0000
@@ -0,0 +1,182 @@
+/******************************************************************************
+            TEXAS INSTRUMENTS INCORPORATED PROPRIETARY INFORMATION           
+                                                                             
+   Property of Texas Instruments -- For  Unrestricted  Internal  Use  Only 
+   Unauthorized reproduction and/or distribution is strictly prohibited.  This 
+   product  is  protected  under  copyright  law  and  trade  secret law as an 
+   unpublished work.  Created 1987, (C) Copyright 1997 Texas Instruments.  All 
+   rights reserved.                                                            
+                  
+                                                           
+   Filename       	: timer2.c
+
+   Description    	: Set of useful functions for TIMER module test cases 
+
+   Project        	: drivers
+
+   Author         	: pmonteil@tif.ti.com  Patrice Monteil.
+   Version number	: 1.3
+
+   Date and time	: 08/18/00 14:42:39
+
+   Previous delta 	: 07/10/00 16:15:18
+
+   SCCS file      	: /db/gsm_asp/db_ht96/dsp_0/gsw/rel_0/mcu_l1/release_gprs/RELEASE_GPRS/drivers1/common/SCCS/s.timer2.c
+
+   Sccs Id  (SID)       : '@(#) timer2.c 1.3 08/18/00 14:42:39 '
+
+
+ 
+*****************************************************************************/
+
+#include "../include/sys_types.h"
+
+#include "mem.h" 
+#include "timer2.h" 
+
+/*--------------------------------------------------------------*/
+/*  Dtimer2_Get_cntlreg()					*/
+/*--------------------------------------------------------------*/
+/* Parameters : none						*/
+/* Return     :	none						*/
+/* Functionality : read one of the TIMER register		*/
+/*--------------------------------------------------------------*/
+
+SYS_UWORD16 Dtimer2_Get_cntlreg(void)
+{
+    SYS_UWORD16 timerReg;
+
+    timerReg = (( * (volatile SYS_UWORD16 *) D_TIMER_CNTL) & D_TIMER_CNTL_MASK);
+    return(timerReg);
+}
+
+
+/*--------------------------------------------------------------*/
+/*  Dtimer2_Init_cntl()						*/
+/*--------------------------------------------------------------*/
+/* Parameters :start/stop,reload yes/no,pre scale,ext clk on/off*/
+/* Return     :	none						*/
+/* Functionality : initialize the timer start, autoreload, Ptv 	*/
+/*		   and clock enable				*/
+/*--------------------------------------------------------------*/
+
+void Dtimer2_Init_cntl (SYS_UWORD16 St, SYS_UWORD16 Reload, SYS_UWORD16 clockScale, SYS_UWORD16 clkon)
+{
+    SYS_UWORD16 cntl = * (volatile SYS_UWORD16 *) D_TIMER_CNTL; 
+
+
+    cntl &= ~(D_TIMER_ST | D_TIMER_PTV);    	/* stop and reset values */
+
+    (Reload) ? (cntl |= D_TIMER_AR) : (cntl &= ~D_TIMER_AR);
+
+    cntl |= (clockScale << 2 );
+
+    cntl |= ( clkon << 5 );
+
+
+    * (volatile SYS_UWORD16 *) D_TIMER_LOAD = St;
+
+    * (volatile SYS_UWORD16 *) D_TIMER_CNTL = cntl;
+    }
+
+/*--------------------------------------------------------------*/
+/*  Dtimer2_AR()						*/
+/*--------------------------------------------------------------*/
+/* Parameters :start/stop,reload yes/no,pre scale,ext clk on/off*/
+/* Return     :	none						*/
+/* Functionality : set the AR bit Ar = 0 | 1			*/
+/*--------------------------------------------------------------*/
+
+void Dtimer2_AR(SYS_UWORD16 Ar)
+{
+SYS_UWORD16 cntl = * (volatile SYS_UWORD16 *) D_TIMER_CNTL; 
+
+ cntl &= ~(D_TIMER_ST);			/* stop the timer */
+
+ cntl &= ~(D_TIMER_AR);
+
+ cntl |= ( Ar << 1 );
+
+ * (volatile SYS_UWORD16 *) D_TIMER_CNTL = cntl;
+}
+
+/*--------------------------------------------------------------*/
+/*  Dtimer2_PTV()						*/
+/*--------------------------------------------------------------*/
+/* Parameters : pre scale					*/
+/* Return     :	none						*/
+/* Functionality : set the Ptv bits Ptv = 0 => 7 		*/
+/*--------------------------------------------------------------*/
+
+void Dtimer2_PTV(SYS_UWORD16 Ptv)
+{
+SYS_UWORD16 cntl = * (volatile SYS_UWORD16 *) D_TIMER_CNTL;	
+ 
+ cntl &= ~(D_TIMER_ST);			/* stop the timer */
+
+ cntl &= ~(D_TIMER_PTV);		/* Ptv[4:0] set to 0 */
+
+ cntl |= ( Ptv << 2 );
+
+ * (volatile SYS_UWORD16 *) D_TIMER_CNTL = cntl;
+}
+
+/*--------------------------------------------------------------*/
+/*     Dtimer1_Clken()						*/
+/*--------------------------------------------------------------*/
+/* Parameters : ext clk on/off					*/
+/* Return     :	none						*/
+/* Functionality :  set the clock_enable bit En = 0 | 1 	*/
+/*--------------------------------------------------------------*/
+
+void Dtimer2_Clken(SYS_UWORD16 En)
+{
+SYS_UWORD16 cntl = * (volatile SYS_UWORD16 *) D_TIMER_CNTL;
+ 
+ cntl &= ( ~D_TIMER_CLK_EN);
+
+ cntl |= ( En << 5 );
+
+ * (volatile SYS_UWORD16 *) D_TIMER_CNTL = cntl;
+}
+
+
+
+/*--------------------------------------------------------------*/
+/*  Dtimer2_Start()						*/
+/*--------------------------------------------------------------*/
+/* Parameters : on/off						*/
+/* Return     :	none						*/
+/* Functionality :  Start or stop the timer 			*/
+/*--------------------------------------------------------------*/
+
+void  Dtimer2_Start (SYS_UWORD16 startStop)
+{
+    (startStop == D_TIMER_ST) ? 	
+	((* (SYS_UWORD16 *) D_TIMER_CNTL) |=  D_TIMER_ST) :	/* condition vrai */
+ 	((* (SYS_UWORD16 *) D_TIMER_CNTL) &= ~D_TIMER_ST);    	/* condition fausse */
+}
+
+/*--------------------------------------------------------------*/
+/*  Dtimer2_ReadValue()						*/
+/*--------------------------------------------------------------*/
+/* Parameters : on/off						*/
+/* Return     :	none						*/
+/* Functionality :  Read timer value				*/
+/*--------------------------------------------------------------*/
+
+SYS_UWORD16 Dtimer2_ReadValue (void)
+{
+ return(* (SYS_UWORD16 *) D_TIMER_READ);
+}
+
+/*--------------------------------------------------------------*/
+/* Parameters : on/off						*/
+/* Return     :	none						*/
+/* Functionality :  Write timer value				*/
+/*--------------------------------------------------------------*/
+
+void Dtimer2_WriteValue (SYS_UWORD16 value)
+{
+ (* (SYS_UWORD16 *) D_TIMER_LOAD) = value;
+}