source: xtideuniversalbios/trunk/Serial_Server/library/Serial.cpp@ 219

Last change on this file since 219 was 215, checked in by gregli@…, 13 years ago

More minor improvements to the serial server, in particular improved timeout recovery.

File size: 1.2 KB
Line 
1//======================================================================
2//
3// Project: XTIDE Universal BIOS, Serial Port Server
4//
5// File: Serial.cpp - Generic functions for dealing with serial communications
6//
7
8#include "library.h"
9#include <stdlib.h>
10#include <string.h>
11
12struct baudRate supportedBaudRates[] =
13{
14 { 2400, 0x0, "2400" },
15 { 4800, 0xff, "4800" },
16 { 9600, 0x1, "9600" },
17 { 19200, 0xff, "19.2K" },
18 { 38400, 0x2, "38.4K" },
19 { 76800, 0xff, "76.8K" },
20 { 115200, 0x3, "115.2K" },
21 { 153600, 0xff, "153.6K" },
22 { 230400, 0xff, "230.4K" },
23 { 460800, 0xff, "460.8K" },
24 { 0, 0, NULL }
25};
26
27struct baudRate *baudRateMatchString( char *str )
28{
29 struct baudRate *b;
30
31 unsigned long a = atol( str );
32 if( a )
33 {
34 for( b = supportedBaudRates; b->rate; b++ )
35 if( b->rate == a || (b->rate / 1000) == a || ((b->rate + 500) / 1000) == a )
36 return( b );
37 }
38
39 return( NULL );
40}
41
42struct baudRate *baudRateMatchDivisor( unsigned char divisor )
43{
44 struct baudRate *b;
45
46 for( b = supportedBaudRates; b->rate && b->divisor != divisor; b++ )
47 ;
48
49 return( b->rate ? b : NULL );
50}
51
52
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