leotimer.c
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/*
* F i l e N a m e : l e o t i m e r . c
*
****************************************************************************
* (C) Copyright ALPS Electric Co., Ltd. 1995-1996
****************************************************************************
* Version
*
* ver Date
* ---- --------
* 1.02 '97-01-10 Change sense code name to LEO_SENSE_ILLEGAL_TIMER_VALUE.
* 1.01 '96-12-24 Add invalid value check.Support hex value.
* 1.00 '96-11-17 Initial revision .
****************************************************************************
*/
#include "os.h"
#include <ultra64.h>
#include "leodefine.h"
#include "leodrive.h"
#include "leomacro.h"
#include "leoappli.h"
typedef struct
{
u8 year;
u8 month;
u8 day;
u8 hour;
u8 minute;
u8 second;
} __LOCTime;
/*************************************/
/* PROTOTYPE */
/*************************************/
void leoReadTimer(void);
void leoSetTimer(void);
static u8 __locReadTimer(__LOCTime *time);
static u8 __locSetTimer(__LOCTime *time);
/*************************************/
/* EXTERNALY DEFINED FUNCTION */
/*************************************/
extern u8 leoSend_asic_cmd_w_nochkDiskChange(u32 asic_cmd, u32 asic_data);
/*************************************/
/* EXTERNAL RAM */
/*************************************/
extern OSMesg LEOcur_command;
extern OSPiHandle *LEOPiInfo;
/*************************************/
/* MACROS */
/*************************************/
#define timer_cmd ((LEOCmdReadTimer *)LEOcur_command)
#define bcd_to_hex(bcd) (bcd - (bcd>>4)*6)
/*==========================================================================
* Function : leoReadTimer
*--------------------------------------------------------------------------
* Description : EXECUTE READ_TIMER COMMAND
*--------------------------------------------------------------------------
* IN : LEOcur_command
* OUT : *LEOcur_command
* ARG : non
* RET : non
*==========================================================================
*/
void leoReadTimer(void)
{
u8 *rdparam;
u8 data[4];
u8 sense_code;
__LOCTime time;
sense_code = __locReadTimer(&time);
#ifdef _ERRCHK
sense_code = timer_cmd->header.reserve1;
#endif
timer_cmd->year = time.year;
timer_cmd->month = time.month;
timer_cmd->day = time.day;
timer_cmd->hour = time.hour;
timer_cmd->minute = time.minute;
timer_cmd->second = time.second;
if (sense_code)
{
timer_cmd->header.sense = sense_code;
timer_cmd->header.status = LEO_STATUS_CHECK_CONDITION;
return;
}
/*
* もし正常に時刻が読めた場合、timer_cmd->year (西暦の下２桁)から
* timer_cmd->reserve13 (上２桁)を作る。
* 法則は 下２桁が 96 以上 -> 上２桁は 19
* 95 以下 -> 20
*/
if ( (u32)timer_cmd->year >= 0x96 )
{
timer_cmd->reserve13 = 0x19;
} else /* 下２桁が 95 以下 */
{
timer_cmd->reserve13 = 0x20;
}
timer_cmd->header.status = LEO_STATUS_GOOD;
} /* leoReadTimer() */
/*=========================================================================
* Function : leoSetTimer
*--------------------------------------------------------------------------
* Description : EXECUTE SET_TIMER COMMAND
*--------------------------------------------------------------------------
* IN : LEOcur_command
* OUT : *LEOcur_command
* ARG : non
* RET : non
*==========================================================================
*/
const static u8 ymdupper[6] = { 99, 12, 31, 23, 59, 59};
const static u8 dayupper[13]= { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
void leoSetTimer(void)
{
LEOCmdReadTimer rd_timer;
u8 *p_tmp;
u32 year,month;
u32 temp;
u32 ymd;
u8 result;
__LOCTime time;
/* Check parameter */
p_tmp = (u8*)&timer_cmd->year;
for (ymd = 0; ymd<6; ymd++)
{
temp = *p_tmp;
if ((temp & 0x0f)>0x09)
{
timer_cmd->header.sense = LEO_SENSE_ILLEGAL_TIMER_VALUE;
timer_cmd->header.status = LEO_STATUS_CHECK_CONDITION;
return;
}
temp = bcd_to_hex(temp);
/* check parameter */
switch (ymd)
{
case 2: /* day */
if (temp > dayupper[month])
{
if ( (temp != 29) || (year & 3) )
{
timer_cmd->header.sense = LEO_SENSE_ILLEGAL_TIMER_VALUE;
timer_cmd->header.status = LEO_STATUS_CHECK_CONDITION;
return;
}
}
case 1: /* month */
if (temp == 0)
{
timer_cmd->header.sense = LEO_SENSE_ILLEGAL_TIMER_VALUE;
timer_cmd->header.status = LEO_STATUS_CHECK_CONDITION;
return;
}
default:
if (temp > ymdupper[ymd])
{
timer_cmd->header.sense = LEO_SENSE_ILLEGAL_TIMER_VALUE;
timer_cmd->header.status = LEO_STATUS_CHECK_CONDITION;
return;
}
}
year = month;
month = temp;
p_tmp++;
}
time.year = timer_cmd->year;
time.month = timer_cmd->month;
time.day = timer_cmd->day;
time.hour = timer_cmd->hour;
time.minute = timer_cmd->minute;
time.second = timer_cmd->second;
result = __locSetTimer(&time);
if (result)
{
timer_cmd->header.sense = result;
timer_cmd->header.status = LEO_STATUS_CHECK_CONDITION;
return;
}
result = __locReadTimer(&time);
if (result)
{
timer_cmd->header.sense = result;
timer_cmd->header.status = LEO_STATUS_CHECK_CONDITION;
return;
}
/* compare RTC value */
if ( ( time.year != timer_cmd->year ) || ( time.month != timer_cmd->month )
|| ( time.day != timer_cmd->day ) || ( time.hour != timer_cmd->hour )
|| ( time.minute != timer_cmd->minute ) || ( time.second != timer_cmd->second ) )
{
timer_cmd->header.sense = LEO_SENSE_ILLEGAL_TIMER_VALUE;
timer_cmd->header.status = LEO_STATUS_CHECK_CONDITION;
return;
}
timer_cmd->header.status = LEO_STATUS_GOOD;
} /* leoSetTimer() */
static u8 __locReadTimer(__LOCTime *time)
{
u32 data;
u8 sense_code;
/* Read timer minute. */
if (sense_code = leoSend_asic_cmd_w_nochkDiskChange(ASIC_READ_TIMER_MINUTE, 0))
{
return sense_code;
}
leoGet_leo_asic_data(&data);
time->minute = (data & 0xff000000) >> 24; /* minute */
time->second = (data & 0x00ff0000) >> 16; /* second */
if (sense_code = leoSend_asic_cmd_w_nochkDiskChange(ASIC_READ_TIMER_DATE, 0))
{
time->minute &= ~0x80;
return sense_code;
}
leoGet_leo_asic_data(&data);
time->day = (data & 0xff000000) >> 24; /* day */
time->hour = (data & 0x00ff0000) >> 16; /* hour */
if (sense_code = leoSend_asic_cmd_w_nochkDiskChange(ASIC_READ_TIMER_YEAR, 0))
{
time->minute &= ~0x80;
return sense_code;
}
leoGet_leo_asic_data(&data);
time->year = (data & 0xff000000) >> 24; /* year */
time->month = (data & 0x00ff0000) >> 16; /* month */
/* Check RTC failure */
if (time->minute & 0x80)
{
time->minute &= ~0x80;
return (u8)LEO_SENSE_REAL_TIME_CLOCK_FAILURE;
}
return (u8)0;
} /* __locReadTimer() */
static u8 __locSetTimer(__LOCTime *time)
{
u32 YearMonthX10000h;
u32 DayHourX10000h;
u32 MinuteSecondX10000h;
u8 result;
YearMonthX10000h = ( (time->year) << 24 ) + ( (time->month) << 16 );
DayHourX10000h = ( (time->day) << 24 ) + ( (time->hour) << 16 );
MinuteSecondX10000h = ( (time->minute) << 24 ) + ( (time->second) << 16 );
/* Set timer */
if ( (result = leoSend_asic_cmd_w_nochkDiskChange(ASIC_SET_TIMER_YEAR, YearMonthX10000h) )
|| (result = leoSend_asic_cmd_w_nochkDiskChange(ASIC_SET_TIMER_DATE, DayHourX10000h) )
#ifdef _ERRCHK
|| (result = timer_cmd->header.reserve1 )
#endif
|| (result = leoSend_asic_cmd_w_nochkDiskChange(ASIC_SET_TIMER_MINUTE, MinuteSecondX10000h) ) )
{
return result;
}
return (u8)0;
} /* __locSetTimer() */