FreeCalypso > hg > freecalypso-sw
view gsm-fw/bsp/timer1.c @ 992:a7b0b426f9ca
target-utils: boot ROM UART autodetection revamped
The new implementation should work with both the familiar Calypso C035
boot ROM version found in our regular targets as well as the older
Calypso F741979B version found on the vintage D-Sample board.
author | Mychaela Falconia <falcon@ivan.Harhan.ORG> |
---|---|
date | Wed, 30 Dec 2015 21:28:41 +0000 |
parents | afceeeb2cba1 |
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 This product is protected under copyright law and trade secret law as an unpublished work.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; }