//--------------------------------------------------------------------------
//
//  Software for MSP430 based e-meters.
//
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//  YOUR USE OF THE PROGRAM EXCEED FIVE HUNDRED DOLLARS 
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//
//  Unless otherwise stated, the Program written and copyrighted 
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//  only under TI's copyright in the Program, use and modify the 
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//  distribute to third parties, provided that you transfer a 
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//  ownership on each copy or partial copy, of the Program.
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//  You may not use the Program in non-TI devices.
//
//  File: LCDdecu16.c
//
//  Steve Underwood <steve-underwood@ti.com>
//  Texas Instruments Hong Kong Ltd.
//
//  $Id: LCDdecu16.c,v 1.4 2005/03/18 07:07:23 a0754793 Exp $
//
//--------------------------------------------------------------------------
#include <stdint.h>
#include "emeter-toolkit-custom.h"
#include "emeter-toolkit.h"

/* Display an unsigned 16 bit integer, with leading zero
   suppression. "after" is the number of digits which are
   after the decimal point. The leading zero suppression
   allows for this. */
void LCDdecu16(uint16_t value, int pos, int digits, int after)
{
    int i;
    int flag;
    unsigned int digit;
    uint8_t bcd[3];

    bin2bcd16(bcd, value);
    flag = 0;
    after = 5 - after;
    while (digits > 6)
    {
        LCDchar(CHAR_SPACE, pos++);
        digits--;
    }        
    for (i = 6 - digits;  i < 6;  i++)
    {
        digit = bcd[i >> 1];
        if ((i & 1) == 0)
            digit >>= 4;
        if ((digit & 0x0F)  ||  i >= after)
            flag = 1;
        LCDchar((flag)  ?  lcd_digit_table[digit & 0x0F]  :  CHAR_SPACE, pos++);
    }
}