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/*
* BRLTTY - A background process providing access to the console screen (when in
* text mode) for a blind person using a refreshable braille display.
*
* Copyright (C) 1995-2025 by The BRLTTY Developers.
*
* BRLTTY comes with ABSOLUTELY NO WARRANTY.
*
* This is free software, placed under the terms of the
* GNU Lesser General Public License, as published by the Free Software
* Foundation; either version 2.1 of the License, or (at your option) any
* later version. Please see the file LICENSE-LGPL for details.
*
* Web Page: http://brltty.app/
*
* This software is maintained by Dave Mielke <dave@mielke.cc>.
*/
#ifndef BRLTTY_INCLUDED_SERIAL_MSDOS
#define BRLTTY_INCLUDED_SERIAL_MSDOS
#include "serial_uart.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
typedef struct {
unsigned short divisor;
unsigned short bps;
} SerialSpeed;
typedef union {
unsigned char byte;
struct {
unsigned dataBits:2;
unsigned stopBits:1;
unsigned parity:2;
unsigned bps:3;
} fields;
} SerialBiosConfiguration;
typedef enum {
SERIAL_BIOS_DATA_7 = 2,
SERIAL_BIOS_DATA_8 = 3
} serialBiosDataBits;
typedef enum {
SERIAL_BIOS_STOP_1 = 0,
SERIAL_BIOS_STOP_2 = 1
} SerialBiosStopBits;
typedef enum {
SERIAL_BIOS_PARITY_NONE = 0,
SERIAL_BIOS_PARITY_ODD = 1,
SERIAL_BIOS_PARITY_EVEN = 3
} SerialBiosParity;
typedef enum {
SERIAL_BIOS_BAUD_110 = 0,
SERIAL_BIOS_BAUD_150,
SERIAL_BIOS_BAUD_300,
SERIAL_BIOS_BAUD_600,
SERIAL_BIOS_BAUD_1200,
SERIAL_BIOS_BAUD_2400,
SERIAL_BIOS_BAUD_4800,
SERIAL_BIOS_BAUD_9600,
/* Do not reorder, add to, or delete from the preceding set of definitions
* because their values are significant within the operating system.
* The set defined below may be extended as needed.
*/
SERIAL_BIOS_BAUD_19200,
SERIAL_BIOS_BAUD_38400,
SERIAL_BIOS_BAUD_57600,
SERIAL_BIOS_BAUD_115200
} SerialBiosBaud;
typedef enum {
SERIAL_BIOS_STATUS_CTS_CHANGE = 0X0001,
SERIAL_BIOS_STATUS_DSR_CHANGE = 0X0002,
SERIAL_BIOS_STATUS_RNG_CHANGE = 0X0004,
SERIAL_BIOS_STATUS_CAR_CHANGE = 0X0008,
SERIAL_BIOS_STATUS_CTS_PRESENT = 0X0010,
SERIAL_BIOS_STATUS_DSR_PRESENT = 0X0020,
SERIAL_BIOS_STATUS_RNG_PRESENT = 0X0040,
SERIAL_BIOS_STATUS_CAR_PRESENT = 0X0080,
SERIAL_BIOS_STATUS_DATA_READY = 0X0100,
SERIAL_BIOS_STATUS_OVERRUN_ERROR = 0X0200,
SERIAL_BIOS_STATUS_PARITY_ERROR = 0X0400,
SERIAL_BIOS_STATUS_FRAMING_ERROR = 0X0800,
SERIAL_BIOS_STATUS_BRK_DETECT = 0X1000,
SERIAL_BIOS_STATUS_THR_EMPTY = 0X2000,
SERIAL_BIOS_STATUS_TSR_EMPTY = 0X4000,
SERIAL_BIOS_STATUS_TIMEOUT = 0X8000
} SerialBiosStatus;
typedef struct {
SerialBiosConfiguration bios;
SerialSpeed speed;
} SerialAttributes;
typedef unsigned char SerialLines;
#define SERIAL_LINE_DTR UART_FLAG_MCR_DTR
#define SERIAL_LINE_RTS UART_FLAG_MCR_RTS
#define SERIAL_LINE_CTS UART_FLAG_MSR_CTS
#define SERIAL_LINE_DSR UART_FLAG_MSR_DSR
#define SERIAL_LINE_RNG UART_FLAG_MSR_RNG
#define SERIAL_LINE_CAR UART_FLAG_MSR_CAR
typedef struct {
int deviceIndex;
} SerialPackageFields;
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* BRLTTY_INCLUDED_SERIAL_MSDOS */
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