FreeCalypso > hg > freecalypso-citrine
view bsp/timer1.c @ 30:7fcb2ecddd82
cdg/cdginc-hybrid: import from Magnetite
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 15 Oct 2016 00:51:04 +0000 |
parents | 75a11d740a02 |
children |
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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 This product is protected under copyright law and trade secret law as an unpublished work.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 : 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; }