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- /* current-time.c
- *
- * Copyright (C) 2006-2022 wolfSSL Inc.
- *
- * This file is part of wolfSSL.
- *
- * wolfSSL is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * wolfSSL is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
- */
- #ifdef HAVE_CONFIG_H
- #include <config.h>
- #endif
- #include <wolfssl/wolfcrypt/settings.h>
- #ifdef WOLFSSL_TI_CURRTIME
- #include <stdio.h>
- #include <stdbool.h>
- #include <stdint.h>
- #include "inc/hw_ints.h"
- #include "inc/hw_memmap.h"
- #include "inc/hw_timer.h"
- #include "driverlib/rom.h"
- #include "driverlib/sysctl.h"
- #include "driverlib/timer.h"
- void InitTimer(void) {
- uint32_t ui32SysClock = ROM_SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
- SYSCTL_OSC_MAIN |
- SYSCTL_USE_PLL |
- SYSCTL_CFG_VCO_480), 120000000);
- printf("Clock=%dMHz\n", (int)(ui32SysClock/1000000));
- ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_TIMER0);
- ROM_TimerConfigure(TIMER0_BASE, TIMER_CFG_PERIODIC);
- ROM_TimerLoadSet(TIMER0_BASE, TIMER_A, -1);
- ROM_TimerEnable(TIMER0_BASE, TIMER_A);
- }
- static int initFlag = false ;
- double current_time(int reset)
- {
- if(!initFlag)InitTimer() ;
- initFlag = true ;
- if(reset)ROM_TimerLoadSet(TIMER0_BASE, TIMER_A, -1);
- return (double)(-(int)ROM_TimerValueGet(TIMER0_BASE, TIMER_A ))/120000000.0 ;
- }
- #else
- /* dummy */
- double current_time(int reset) {
- static double t;
- t += 1.0; /* for avoid infinite loop of waiting time */
- if(reset)t = 0.0;
- return t ;
- }
- #endif
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