source: xtideuniversalbios/trunk/Serial_Server/library/Serial.cpp@ 231

//======================================================================
//
// Project:     XTIDE Universal BIOS, Serial Port Server
//
// File:        Serial.cpp - Generic functions for dealing with serial communications
//

#include "library.h"
#include <stdlib.h>
#include <string.h>

struct baudRate supportedBaudRates[] = 
{ 
    {   2400,  0x0,   "2400" },
    {   4800, 0xff,   "4800" },
    {   9600,  0x1,   "9600" },
    {  19200, 0xff,  "19.2K" },
    {  38400,  0x2,  "38.4K" },
    {  76800, 0xff,  "76.8K" },
    { 115200,  0x3, "115.2K" },
    { 153600, 0xff, "153.6K" },
    { 230400, 0xff, "230.4K" },
    { 460800, 0xff, "460.8K" },
    {      0,    0,     NULL }
};

struct baudRate *baudRateMatchString( char *str )
{
    struct baudRate *b;
  
    unsigned long a = atol( str );
    if( a )
    {
        for( b = supportedBaudRates; b->rate; b++ )
            if( b->rate == a || (b->rate / 1000) == a || ((b->rate + 500) / 1000) == a )
                return( b );
    }

    return( NULL );
}

struct baudRate *baudRateMatchDivisor( unsigned char divisor )
{
    struct baudRate *b;

    for( b = supportedBaudRates; b->rate && b->divisor != divisor; b++ ) 
        ;

    return( b->rate ? b : NULL );
}