📄 rtc_functions.c
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/************************************************************************************/
/* rtc_functions.c : contains low level function for the rtc */
/* */
/* */
/* Author: Laurent Sollier */
/* */
/* version: 1.0 */
/* */
/* Date: 03/20/01 */
/* (C) Copyright 2001 by Texas Instruments Incorporated, All Rights Reserved */
/************************************************************************************/
#ifndef _WINDOWS
#include "l1sw.cfg"
#include "chipset.cfg"
#endif
#include <string.h> /* needed for memset */
#include "nucleus.h"
#include "rtc/rtc_messages_i.h"
#include "rvm/rvm_use_id_list.h"
#include "rtc/rtc_api.h"
#include "rtc/rtc_i.h"
#include "rtc/board/rtc_config.h"
#include "memif/mem.h"
#include "inth/iq.h"
#include "ulpd/ulpd.h"
#if (CHIPSET == 12)
#include "inth/sys_inth.h"
#else
#include "inth/inth.h"
#endif
#if (CHIPSET == 15)
/* This fix is provided to avoid compilation errors
* because of mutiple definition for TRUE and FALSE
* in different header files */
#undef TRUE
#undef FALSE
#include "bspTwl3029.h"
#include "bspTwl3029_I2c.h"
#include "bspTwl3029_IntC.h"
#include "bspTwl3029_Rtc.h"
#endif
#if (CHIPSET != 15)
/* ----- Macro ----- */
/*-------------------------------------------------------------*/
/* RTC_STOP */
/*-------------------------------------------------------------*/
/* Parameters : none */
/* Return : none */
/* Functionality : Stop the RTC (STOP_RTC is cleared) */
/*-------------------------------------------------------------*/
#define RTC_STOP (* (volatile UINT8 *) RTC_CTRL_REG &= ~RTC_START_RTC)
/*-------------------------------------------------------------*/
/* RTC_START */
/*-------------------------------------------------------------*/
/* Parameters : none */
/* Return : none */
/* Functionality : Start the RTC */
/*-------------------------------------------------------------*/
#define RTC_START (* (volatile UINT8 *) RTC_CTRL_REG |= RTC_START_RTC)
/*-------------------------------------------------------------*/
/* RTC_SET_32_CNT */
/*-------------------------------------------------------------*/
/* Parameters : none */
/* Return : none */
/* Functionality : Set the SET_32_COUNTER bit */
/*-------------------------------------------------------------*/
#define RTC_SET_32_CNT (* (volatile UINT8 *) RTC_CTRL_REG |= RTC_SET_32_COUNTER)
/*-------------------------------------------------------------*/
/* RTC_RESET_32_CNT */
/*-------------------------------------------------------------*/
/* Parameters : none */
/* Return : none */
/* Functionality : Reset the SET_32_COUNTER bit */
/*-------------------------------------------------------------*/
#define RTC_RESET_32_CNT (* (volatile UINT8 *) RTC_CTRL_REG &= ~RTC_SET_32_COUNTER)
/*-------------------------------------------------------------*/
/* RTC_SET_TEST_MODE */
/*-------------------------------------------------------------*/
/* Parameters : none */
/* Return : none */
/* Functionality : Set the TEST_MODE bit */
/*-------------------------------------------------------------*/
#define RTC_SET_TEST_MODE (* (volatile UINT8 *) RTC_CTRL_REG |= RTC_TEST_MODE)
/*-------------------------------------------------------------*/
/* RTC_ENABLE_IT_ALARM */
/*-------------------------------------------------------------*/
/* Parameters : none */
/* Return : none */
/* Functionality : Enable the IT_ALARM */
/*-------------------------------------------------------------*/
#define RTC_ENABLE_IT_ALARM (* (volatile UINT8 *) RTC_INTERRUPTS_REG |= RTC_IT_ALARM)
/*-------------------------------------------------------------*/
/* RTC_DISABLE_IT_ALARM */
/*-------------------------------------------------------------*/
/* Parameters : none */
/* Return : none */
/* Functionality : Disable the IT_ALARM */
/*-------------------------------------------------------------*/
#define RTC_DISABLE_IT_ALARM (* (volatile UINT8 *) RTC_INTERRUPTS_REG &= ~RTC_IT_ALARM)
/*-------------------------------------------------------------*/
/* RTC_ENABLE_IT_TIMER */
/*-------------------------------------------------------------*/
/* Parameters : none */
/* Return : none */
/* Functionality : Enable the IT_TIMER */
/*-------------------------------------------------------------*/
#define RTC_ENABLE_IT_TIMER (* (volatile UINT8 *) RTC_INTERRUPTS_REG |= RTC_IT_TIMER)
/*-------------------------------------------------------------*/
/* RTC_DISABLE_IT_TIMER */
/*-------------------------------------------------------------*/
/* Parameters : none */
/* Return : none */
/* Functionality : Disable the IT_TIMER */
/*-------------------------------------------------------------*/
#define RTC_DISABLE_IT_TIMER (* (volatile UINT8 *) RTC_INTERRUPTS_REG &= ~RTC_IT_TIMER)
/*-------------------------------------------------------------*/
/* RTC_SET_EVENT_TIMER */
/*-------------------------------------------------------------*/
/* Parameters : event to enable or disable */
/* Return : none */
/* Functionality : Set the event for the IT_TIMER */
/* Enable or disable IT */
/*-------------------------------------------------------------*/
#define RTC_SET_EVENT_TIMER(x) (* (volatile UINT8 *) RTC_INTERRUPTS_REG = (* (volatile UINT8 *) RTC_INTERRUPTS_REG & 0xfffc) | (x))
/*-------------------------------------------------------------*/
/* RTC_TEST_BUSY */
/*-------------------------------------------------------------*/
/* Parameters : none */
/* Return : none */
/* Functionality : Return the RTC state busy signal */
/*-------------------------------------------------------------*/
#define RTC_TEST_BUSY ((* (volatile UINT8 *) RTC_STATUS_REG) & RTC_BUSY)
/*-------------------------------------------------------------*/
/* RTC_RUN_STATE */
/*-------------------------------------------------------------*/
/* Parameters : none */
/* Return : none */
/* Functionality : Return the RTC run state */
/*-------------------------------------------------------------*/
#define RTC_RUN_STATE ((* (volatile UINT8 *) RTC_STATUS_REG) & RTC_RUN)
/*-------------------------------------------------------------*/
/* RTC_FREE_AL_ITLINE */
/*-------------------------------------------------------------*/
/* Parameters : none */
/* Return : none */
/* Functionality : free it AL line */
/*-------------------------------------------------------------*/
#define RTC_FREE_AL_ITLINE ((* (volatile UINT8 *) RTC_STATUS_REG) |= RTC_ALARM)
/*-------------------------------------------------------------*/
/* RTC_FREE_POWER_UP */
/*-------------------------------------------------------------*/
/* Parameters : none */
/* Return : none */
/* Functionality : clear reset event */
/*-------------------------------------------------------------*/
#define RTC_FREE_POWER_UP ((* (volatile UINT8 *) RTC_STATUS_REG) |= RTC_POWER_UP)
/*-------------------------------------------------------------*/
/* RTC_GET_EVENT_TIMER */
/*-------------------------------------------------------------*/
/* Parameters : none */
/* Return : none */
/* Functionality : Get the event status for the IT_TIMER */
/*-------------------------------------------------------------*/
#define RTC_GET_EVENT_TIMER ((* (volatile UINT8 *) RTC_STATUS_REG & 0x3c))
#endif
/* ----- Global variables ----- */
static T_RTC_DATE_TIME rtc_date_time_alarm = {0};
static void SetInitAlmTime(T_RTC_DATE_TIME date_time);
static T_RV_RETURN rtc_return_path = {RVF_INVALID_ADDR_ID, NULL};
static T_RTC_ALARM* rtc_msg_alarm_event = NULL;
extern T_RTC_ENV_CTRL_BLK* rtc_env_ctrl_blk;
/* Number of 32 Khz clock */
static UINT32 rtc_nb_32khz = 0;
/* Number of high frequency clock */
static UINT32 rtc_nb_hf = 0;
static NU_HISR hisr;
#ifndef HISR_STACK_SHARING
char hisrStack[512];
#endif
// UINT16 toto = 0; tmp
void HisrEntryFunc(void)
{
if (rtc_msg_alarm_event)
rvf_send_msg(rtc_env_ctrl_blk->addr_id, rtc_msg_alarm_event);
//char comp[15];
/* sprintf(comp,"%d",toto);
LCDG_WriteString( 4, 0, " ");
LCDG_WriteString( 3, 0, (char*) comp); //tmp */
}
/*---------------------------------------------------------------*/
/* conv_bin DCB => B */
/*---------------------------------------------------------------*/
/* Parameters : value to be convert */
/* Return : none */
/* Functionality : BCD et binary conversion function */
/*---------------------------------------------------------------*/
static UINT8 conv_bin(UINT8 value)
{
return (10*(value>>4) + ( value & 0x0f));
}
/*---------------------------------------------------------------*/
/* conv_bcd B => DCB */
/*---------------------------------------------------------------*/
/* Parameters : value to be convert */
/* Return : none */
/* Functionality : Binary to BCD conversion function */
/*---------------------------------------------------------------*/
static UINT8 conv_bcd(UINT8 value)
{
return ((value%10) | ( (value/10) <<4));
}
static void SetInitAlmTime(T_RTC_DATE_TIME date_time)
{
date_time.second = 0;
date_time.minute = 0;
if (date_time.mode_12_hour == FALSE)
{
date_time.hour = 0;
}
else
{
date_time.hour = 1;
}
date_time.month = 1;
date_time.year = 0;
date_time.wday = 6;
date_time.month = 1;
}
/*---------------------------------------------------------------*/
/* format_date_available */
/*---------------------------------------------------------------*/
/* Parameters : T_RTC_DATE_TIME structure */
/* Return : TRUE if format is available */
/* FALSE else */
/* Functionality : test if date and time format is available */
/*---------------------------------------------------------------*/
BOOL format_date_available(T_RTC_DATE_TIME date_time)
{
UINT8 m;
if (date_time.second < 0 || date_time.second > 59)
return FALSE;
if (date_time.minute < 0 || date_time.minute > 59)
return FALSE;
if (date_time.mode_12_hour == FALSE)
{
if (date_time.hour < 0 || date_time.hour > 23)
return FALSE;
}
else
if (date_time.hour < 1 || date_time.hour > 12)
return FALSE;
if (date_time.month < 1 || date_time.month > 12)
return FALSE;
if (date_time.year < 0 || date_time.year > 99)
return FALSE;
if (date_time.wday < 0 || date_time.wday > 6)
return FALSE;
m = date_time.month;
if (m == 1||m == 3||m == 5||m == 7||m == 8||m == 10||m == 12)
{
if (date_time.day < 1 || date_time.day > 31)
return FALSE;
}
else
{
if (m == 4||m == 6||m == 9||m == 11)
{
if (date_time.day < 1 || date_time.day > 30)
return FALSE;
}
else
{
if (date_time.year%4)
{
if (date_time.day < 1 || date_time.day > 29)
return FALSE;
}
else
{
if (date_time.day < 1 || date_time.day > 28)
return FALSE;
}
}
}
return TRUE;
}
/*******************************************************************************
*
* RTC_Initialize
*
******************************************************************************/
T_RVF_RET RTC_Initialize(void)
{
T_RVF_MB_STATUS mb_status;
// Bgn >>> Add 在calypso平台为了解决rtc不准加入，现在locosto中暂时丢弃，
//以观后效。若需修改，需依locosto register map查看。----caisheng 20060526
/**((volatile unsigned short *) 0xfffef00c) = 0x2C;
*((volatile unsigned short *) 0xfffe1815) = 0x2C;*/
// End <<<
/* Reserve memory for alarm event */
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