/* Copyright 1997, ESS Technology, Inc.					*//* SCCSID @(#)realclk.c	1.1 9/4/97 *//* * $Log$ */#ifdef REAL_CLOCK#include    "const.h"#include    "dsa.h"#include    "util.h"#include    "micro.h"#include    "fsosd.h"#include    "panelcmd.h"#include    "realclk.h"static int KeyState;static int ClkArg;static int DigitState;static int ClkCopy;/*===========================================================================*/void realClkDisplay(int arg){    if ((ClkArg = arg) != REAL_CLK_ON)        DigitState = 0;}/*===========================================================================*//* return 0: FAIL                                                            *//* return non zero: SUCESS                                                   */int realClkAdjust(int num){    unsigned int tmpClk;    unsigned short hour,min;    int		ret_value;    ret_value = REAL_CLK_FAIL;    tmpClk = *RISC_ptr_realtime;    hour = (unsigned short)((tmpClk & 0x00ff0000) >> 16);    min = (unsigned short)((tmpClk & 0x0000ff00) >> 8);    if (hour > 23) {        hour = 0;        *RISC_ptr_realtime &= 0x0000ffff;    }    if (min > 59) {        min = 0;        *RISC_ptr_realtime &= 0x00ff00ff;    }    hour = hex2bcd[hour];    min = hex2bcd[min];    switch (KeyState) {        case 0x00:                  /* higher digit of hour */            if (num <= 2)            {                DigitState = 0x01;                hour = (hour & 0x0f) | (unsigned short)((num & 0x0f) << 4);                if (hour > 0x23)                    hour = 0x20;                *RISC_ptr_realtime = (tmpClk & 0x0000ffff) |                 ((((unsigned int)(bcd2hex[hour])) << 16) & 0x00ff0000);                KeyState++;            }        break;        case 0x01:                  /* lower digit of hour */            if ((hour & 0xf0) > 0x10) {                if (num <= 3)                {                    DigitState = 0x02;                    hour = (hour & 0xf0) | (unsigned short)(num & 0x0f);                    *RISC_ptr_realtime = (tmpClk & 0x0000ffff) |                    ((((unsigned int)(bcd2hex[hour])) << 16) & 0x00ff0000);                    KeyState++;                }            }            else if (num < 10) {                DigitState = 0x02;                hour = (hour & 0xf0) | (unsigned short)(num & 0x0f);                *RISC_ptr_realtime = (tmpClk & 0x0000ffff) |                 ((((unsigned int)(bcd2hex[hour])) << 16) & 0x00ff0000);                KeyState++;            }        break;        case 0x02:                  /* higher digit of min */            if (num <= 5)            {                DigitState = 0x03;                min = (min & 0x0f) | (unsigned short)((num & 0x0f) << 4);                *RISC_ptr_realtime = (tmpClk & 0x00ff00ff) |                 ((((unsigned int)(bcd2hex[min])) << 8) & 0x0000ff00);                KeyState++;            }        break;        case 0x03:                  /* lower digit of min */            if (num < 10) {                DigitState = 0x04;                min = (min & 0xf0) | (unsigned short)(num & 0x0f);                *RISC_ptr_realtime = (tmpClk & 0x00ff00ff) |                 ((((unsigned int)(bcd2hex[min])) << 8) & 0x0000ff00);                KeyState = 0;                ret_value = REAL_CLK_OK;            }        break;    }    realClkTick();    return (ret_value);}/*===========================================================================*/char PM = 0;char ClockMode = 1;              /* 1: 24 hours mode, 0: 12 hours */unsigned char clock_buf[] = " CLOCK   :  ";#define CLOCK_HOUR_POS  7#define CLOCK_COLON_POS 9#define CLOCK_MIN_POS   (CLOCK_HOUR_POS + 3)void realClkTick(void){    unsigned int tmpClk;    unsigned short hour,min;    unsigned char *msg_ptr;    unsigned int toggleFlag;#ifdef BILINGUAL_OSD    unsigned char *c_msg_ptr;#endif    tmpClk = *RISC_ptr_realtime;    assign_osd_msg(msg_ptr, clock_buf, c_msg_ptr, c_clock_buf);    hour = hex2bcd[(unsigned short)((tmpClk & 0x00ff0000) >> 16)];    msg_ptr[CLOCK_HOUR_POS] = '0' + ((hour & 0xf0) >> 4);    msg_ptr[CLOCK_HOUR_POS+1] = '0'+ (hour & 0x0f);    min = hex2bcd[(unsigned short)((tmpClk & 0x0000ff00) >> 8)];    msg_ptr[CLOCK_MIN_POS] = '0' + ((min & 0xf0) >> 4);    msg_ptr[CLOCK_MIN_POS+1] = '0' + (min & 0x0f);    if (tmpClk & 0x01)        toggleFlag = 1;    else        toggleFlag = 0;    if (ClkArg == REAL_CLK_ON) {        OUTOSD(CLOCK_REGION, msg_ptr, c_msg_ptr, 0);        DigitState = 0x05;    }    switch (DigitState) {        case 0x00:            if (toggleFlag)                msg_ptr[CLOCK_HOUR_POS] = '_';        break;        case 0x01:                      /* higher digit of hour */            msg_ptr[CLOCK_HOUR_POS] = '0' + ((hour & 0xf0) >> 4);            if (toggleFlag)                msg_ptr[CLOCK_HOUR_POS + 1] = '_';        break;        case 0x02:                      /* lower digit of hour */            msg_ptr[CLOCK_HOUR_POS+1] = '0'+ (hour & 0x0f);            if (toggleFlag)                msg_ptr[CLOCK_MIN_POS] = '_';        break;        case 0x03:                      /* higher digit of minute */            msg_ptr[CLOCK_MIN_POS] = '0' + ((min & 0xf0) >> 4);            if (toggleFlag)                msg_ptr[CLOCK_MIN_POS + 1] = '_';        break;        case 0x04:                      /* lower digit of minute */            msg_ptr[CLOCK_MIN_POS+1] = '0' + (min & 0x0f);            DigitState = 0;            ClkArg = REAL_CLK_OFF;	    OUTOSD(CLOCK_REGION, msg_ptr, c_msg_ptr, 2);        break;        case 0x05:                      /* flash colon when the clock is on */            clock_buf[CLOCK_COLON_POS] = ':';            if (toggleFlag)                clock_buf[CLOCK_COLON_POS] = ' ';        break;    }    if (ClkArg != REAL_CLK_OFF) {	OUTOSD(CLOCK_REGION, msg_ptr, c_msg_ptr, 2);    }}/*===========================================================================*/#define MINUTE_HIGH             0x0a#define MINUTE_LOW              0x08#define SECOND_HIGH             0x06#define SECOND_LOW              0x04void realClkVFD(void){    unsigned int tmpClk;    unsigned int hour;    tmpClk = *RISC_ptr_realtime;    if ((ClkCopy & 0x1) ^ (tmpClk & 0x01)) {	/* only do this every 1/2 second. */	ClkCopy = tmpClk;        addMicroRing(PANEL_MIN |            hex2bcd[(unsigned short)((tmpClk >> 16) & 0xff)]);        addMicroRing(PANEL_SEC |            hex2bcd[(unsigned short)((tmpClk >> 8) & 0xff)]);	if (tmpClk & 0x01)	    addMicroRing(PANEL_IND4 | (int)SEG_COLON);	else	    addMicroRing(PANEL_IND4);       }}/*===========================================================================*/#endif