diff bsp/timer1.c @ 0:75a11d740a02

initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 09 Jun 2016 00:02:41 +0000
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children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bsp/timer1.c	Thu Jun 09 00:02:41 2016 +0000
@@ -0,0 +1,180 @@
+/******************************************************************************
+            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+   unpublished work.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       	: timer1.c
+
+   Description    	: Set of useful functions for TIMER module test cases 
+
+   Project        	: drivers
+
+   Author         	: pmonteil@tif.ti.com  Patrice Monteil.
+
+   Version number	: 1.4
+
+   Date and time	: 08/18/00 14:42:35
+
+   Previous delta 	: 06/30/00 11:40:43
+
+   SCCS file      	: /db/gsm_asp/db_ht96/dsp_0/gsw/rel_0/mcu_l1/release_gprs/RELEASE_GPRS/drivers1/common/SCCS/s.timer1.c
+
+   Sccs Id  (SID)       : '@(#) timer1.c 1.4 08/18/00 14:42:35 '
+
+ 
+*****************************************************************************/
+
+#include "../include/sys_types.h"
+
+#include "mem.h" 
+#include "timer1.h" 
+
+/*--------------------------------------------------------------*/
+/*  Dtimer1_Get_cntlreg()					*/
+/*--------------------------------------------------------------*/
+/* Parameters : none						*/
+/* Return     :	none						*/
+/* Functionality : read one of the TIMER register		*/
+/*--------------------------------------------------------------*/
+
+SYS_UWORD16 Dtimer1_Get_cntlreg(void)
+{
+    SYS_UWORD16 timerReg;
+
+    timerReg = (( * (volatile SYS_UWORD16 *) D_TIMER_CNTL) & D_TIMER_CNTL_MASK);
+    return(timerReg);
+}
+
+
+/*--------------------------------------------------------------*/
+/*  Dtimer_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 Dtimer1_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;
+    }
+
+/*--------------------------------------------------------------*/
+/*  Dtimer1_AR()						*/
+/*--------------------------------------------------------------*/
+/* Parameters :start/stop,reload yes/no,pre scale,ext clk on/off*/
+/* Return     :	none						*/
+/* Functionality : set the AR bit Ar = 0 | 1			*/
+/*--------------------------------------------------------------*/
+
+void Dtimer1_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;
+}
+
+/*--------------------------------------------------------------*/
+/*  Dtimer1_PTV()						*/
+/*--------------------------------------------------------------*/
+/* Parameters : pre scale					*/
+/* Return     :	none						*/
+/* Functionality : set the Ptv bits Ptv = 0 => 7 		*/
+/*--------------------------------------------------------------*/
+
+void Dtimer1_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 Dtimer1_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;
+}
+
+
+
+/*--------------------------------------------------------------*/
+/*  Dtimer_Start()						*/
+/*--------------------------------------------------------------*/
+/* Parameters : on/off						*/
+/* Return     :	none						*/
+/* Functionality :  Start or stop the timer 			*/
+/*--------------------------------------------------------------*/
+
+void  Dtimer1_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 */
+}
+
+/*--------------------------------------------------------------*/
+/*  Dtimer_ReadValue()						*/
+/*--------------------------------------------------------------*/
+/* Parameters : on/off						*/
+/* Return     :	none						*/
+/* Functionality :  Read timer value				*/
+/*--------------------------------------------------------------*/
+SYS_UWORD16 Dtimer1_ReadValue (void)
+{
+ return(* (SYS_UWORD16 *) D_TIMER_READ);
+}
+
+/*--------------------------------------------------------------*/
+/* Parameters : on/off						*/
+/* Return     :	none						*/
+/* Functionality :  Write timer value				*/
+/*--------------------------------------------------------------*/
+void Dtimer1_WriteValue (SYS_UWORD16 value)
+{
+ (* (SYS_UWORD16 *) D_TIMER_LOAD) = value;
+}