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view gsm-fw/bsp/timer2.c @ 353:ee4eb0eacfaf
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author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Mon, 12 May 2014 00:14:39 +0000 |
parents | afceeeb2cba1 |
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/****************************************************************************** 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 This product is protected under copyright law and trade secret law as an unpublished work.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; }