Windows baudrate mapping

//
// ---=== Winbase.h ===---
#define CBR_110 0xFF10
#define CBR_300 0xFF11
#define CBR_600 0xFF12
#define CBR_1200        0xFF13
#define CBR_2400        0xFF14
#define CBR_4800        0xFF15
#define CBR_9600        0xFF16
#define CBR_14400       0xFF17
#define CBR_19200       0xFF18
#define CBR_38400       0xFF1B
#define CBR_56000       0xFF1F
#define CBR_57600       0xFF20
#define CBR_115200      0xFF21
#define CBR_128000      0xFF23
#define CBR_256000      0xFF27
// ---===           ===---

// ---=== http://fenrir.naruoka.org/download/autopilot/common/util/comstream.h ===---
typedef struct speedmap_e
{
    uint32_t baudrate;
    uint32_t cbr;

} speedmap_t;

// Associate a meaningful # with a meaningless Windows constant.
static const speedmap_t speed_map[] =
{
    { 110,    CBR_110 },
    { 300,    CBR_300 },
    { 600,    CBR_600 },
    { 1200,   CBR_1200 },
    { 2400,   CBR_2400 },
    { 4800,   CBR_4800 },
    { 9600,   CBR_9600 },
    { 14400,  CBR_14400 },
    { 19200,  CBR_19200 },
    { 38400,  CBR_38400 },
    { 56000,  CBR_56000 },
    { 57600,  CBR_57600 },
    { 115200, CBR_115200 },
    { 128000, CBR_128000 },
    { 256000, CBR_256000 },
};

static uint32_t baud_to_cbr(uint32_t baudrate)
{
    uint32_t i;
    for(i = 0; i < sizeof(speed_map) / sizeof(speed_map[0]); i++)
        if(speed_map[i].baudrate == baudrate)
            return speed_map[i].cbr;
    return 0; // Error condition -- cound not find baudrate in table
}

static uint32_t cbr_to_baud(uint32_t cbr)
{
    uint32_t i;
    for(i = 0; i < sizeof(speed_map) / sizeof(speed_map[0]); i++)
        if(speed_map[i].cbr == cbr)
            return speed_map[i].baudrate;
    return 0; // Error condition -- cound not find CBR_* value in table
}
// ---===                                                                      ===---