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/* time.c
*
* Copyright (C) 2006-2023 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
/*-----------------------------------------------------------------------------
* initialize RTC
*----------------------------------------------------------------------------*/
#include <stdio.h>
#include "lpc43xx_rtc.h"
#include "lpc43xx_cgu.h"
static void init_RTC()
{
/* Enable GPIO register interface clock */
LPC_CCU1->CLK_M4_GPIO_CFG |= 1;
while (!(LPC_CCU1->CLK_M4_GPIO_STAT & 1)) ;
/* RTC Block section ------------------------------------------------------ */
/* Init RTC module */
RTC_Init(LPC_RTC);
/* Set ALARM time for second */
RTC_SetAlarmTime (LPC_RTC, RTC_TIMETYPE_SECOND, 30);
/* Set the AMR for 30s match alarm interrupt */
RTC_AlarmIntConfig (LPC_RTC, RTC_TIMETYPE_SECOND, ENABLE);
/* Set the CIIR for minute counter interrupt*/
RTC_CntIncrIntConfig (LPC_RTC, RTC_TIMETYPE_MINUTE, ENABLE);
/* Enable rtc (starts increase the tick counter and second counter register) */
RTC_Cmd(LPC_RTC, ENABLE);
}
/*-----------------------------------------------------------------------------
* initialize TIM
*----------------------------------------------------------------------------*/
#include "lpc43xx_timer.h"
static void init_TIM()
{
TIM_TIMERCFG_Type TIM_ConfigStruct;
/* Initialize timer 0, prescale count time of 1uS */
TIM_ConfigStruct.PrescaleOption = TIM_PRESCALE_TICKVAL;
TIM_ConfigStruct.PrescaleValue = 204; /* 204MHz */
/* Set configuration for Tim_config and Tim_MatchConfig */
TIM_Init(LPC_TIMER2, TIM_TIMER_MODE,&TIM_ConfigStruct);
TIM_ResetCounter(LPC_TIMER2);
/* To start timer 2 */
TIM_Cmd(LPC_TIMER2,ENABLE);
}
double current_time()
{
return (double)LPC_TIMER2->TC/1000000.0;
}
void init_time(void) {
init_RTC() ;
init_TIM() ;
}
#include <time.h>
struct tm *Cyassl_MDK_gmtime(const time_t *c)
{
static struct tm date ;
RTC_TIME_Type RTCFullTime;
RTC_GetFullTime (LPC_RTC, &RTCFullTime);
date.tm_year = RTCFullTime.YEAR + 100 ;
date.tm_mon = RTCFullTime.MONTH - 1 ;
date.tm_mday = RTCFullTime.DOM ;
date.tm_hour = RTCFullTime.HOUR ;
date.tm_min = RTCFullTime.MIN ;
date.tm_sec = RTCFullTime.SEC ;
#if defined(DEBUG_CYASSL)
{
extern void CYASSL_MSG(char *msg) ;
char msg[100] ;
sprintf(msg, "Debug::Cyassl_KEIL_gmtime(DATE=/%4d/%02d/%02d TIME=%02d:%02d:%02d)\n",
RTCFullTime.YEAR+2000, RTCFullTime.MONTH, RTCFullTime.DOM,
RTCFullTime.HOUR, RTCFullTime.MIN, RTCFullTime.SEC) ;
CYASSL_MSG(msg) ;
}
#endif
return(&date) ;
}
typedef struct func_args {
int argc;
char** argv;
int return_code;
} func_args;
#include <stdio.h>
void time_main(void *args)
{
char * datetime ;
int year ;
RTC_TIME_Type RTCFullTime;
if( args == NULL || ((func_args *)args)->argc == 1) {
RTC_GetFullTime (LPC_RTC, &RTCFullTime);
printf("Date: %d/%d/%d, Time: %02d:%02d:%02d\n",
RTCFullTime.MONTH, RTCFullTime.DOM, RTCFullTime.YEAR+2000,
RTCFullTime.HOUR, RTCFullTime.MIN, RTCFullTime.SEC) ;
} else if(((func_args *)args)->argc == 3 &&
((func_args *)args)->argv[1][0] == '-' &&
((func_args *)args)->argv[1][1] == 'd' ) {
datetime = ((func_args *)args)->argv[2];
sscanf(datetime, "%d/%d/%d",
(int *)&RTCFullTime.MONTH, (int *)&RTCFullTime.DOM, &year) ;
RTCFullTime.YEAR = year - 2000 ;
RTC_SetTime (LPC_RTC, RTC_TIMETYPE_MONTH, RTCFullTime.MONTH);
RTC_SetTime (LPC_RTC, RTC_TIMETYPE_YEAR, RTCFullTime.YEAR);
RTC_SetTime (LPC_RTC, RTC_TIMETYPE_DAYOFMONTH, RTCFullTime.DOM);
} else if(((func_args *)args)->argc == 3 &&
((func_args *)args)->argv[1][0] == '-' &&
((func_args *)args)->argv[1][1] == 't' ) {
RTC_GetFullTime (LPC_RTC, &RTCFullTime);
datetime = ((func_args *)args)->argv[2];
sscanf(datetime, "%d:%d:%d",
(int *)&RTCFullTime.HOUR,
(int *)&RTCFullTime.MIN,
(int *)&RTCFullTime.SEC
) ;
RTC_SetTime (LPC_RTC, RTC_TIMETYPE_SECOND, RTCFullTime.SEC);
RTC_SetTime (LPC_RTC, RTC_TIMETYPE_MINUTE, RTCFullTime.MIN);
RTC_SetTime (LPC_RTC, RTC_TIMETYPE_HOUR, RTCFullTime.HOUR);
} else printf("Invalid argument\n") ;
}
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