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#ifndef CYGONCE_SERIALIO_H #define CYGONCE_SERIALIO_H // ==================================================================== // // serialio.h // // Device I/O // // ==================================================================== // ####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. // // eCos is free software; you can redistribute it and/or modify it under // the terms of the GNU General Public License as published by the Free // Software Foundation; either version 2 or (at your option) any later // version. // // eCos is distributed in the hope that it will be useful, but WITHOUT // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // for more details. // // You should have received a copy of the GNU General Public License // along with eCos; if not, write to the Free Software Foundation, Inc., // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. // // As a special exception, if other files instantiate templates or use // macros or inline functions from this file, or you compile this file // and link it with other works to produce a work based on this file, // this file does not by itself cause the resulting work to be covered by // the GNU General Public License. However the source code for this file // must still be made available in accordance with section (3) of the GNU // General Public License v2. // // This exception does not invalidate any other reasons why a work based // on this file might be covered by the GNU General Public License. // ------------------------------------------- // ####ECOSGPLCOPYRIGHTEND#### // ==================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): gthomas // Contributors: gthomas // Date: 1999-02-04 // Purpose: Special support for serial I/O devices // Description: // //####DESCRIPTIONEND#### // // ==================================================================== // This file contains the user-level visible I/O interfaces #include <pkgconf/system.h> #include <pkgconf/io_serial.h> #include <pkgconf/hal.h> #include <cyg/infra/cyg_type.h> #include <cyg/io/config_keys.h> #ifdef __cplusplus extern "C" { #endif // Supported baud rates typedef enum { CYGNUM_SERIAL_BAUD_50 = 1, CYGNUM_SERIAL_BAUD_75, CYGNUM_SERIAL_BAUD_110, CYGNUM_SERIAL_BAUD_134_5, CYGNUM_SERIAL_BAUD_150, CYGNUM_SERIAL_BAUD_200, CYGNUM_SERIAL_BAUD_300, CYGNUM_SERIAL_BAUD_600, CYGNUM_SERIAL_BAUD_1200, CYGNUM_SERIAL_BAUD_1800, CYGNUM_SERIAL_BAUD_2400, CYGNUM_SERIAL_BAUD_3600, CYGNUM_SERIAL_BAUD_4800, CYGNUM_SERIAL_BAUD_7200, CYGNUM_SERIAL_BAUD_9600, CYGNUM_SERIAL_BAUD_14400, CYGNUM_SERIAL_BAUD_19200, CYGNUM_SERIAL_BAUD_38400, CYGNUM_SERIAL_BAUD_57600, CYGNUM_SERIAL_BAUD_115200, CYGNUM_SERIAL_BAUD_230400, CYGNUM_SERIAL_BAUD_460800, CYGNUM_SERIAL_BAUD_921600 } cyg_serial_baud_rate_t; #define CYGNUM_SERIAL_BAUD_MIN CYGNUM_SERIAL_BAUD_50 #define CYGNUM_SERIAL_BAUD_MAX CYGNUM_SERIAL_BAUD_921600 // Note: two levels of macro are required to get proper expansion. #define _CYG_SERIAL_BAUD_RATE(n) CYGNUM_SERIAL_BAUD_##n #define CYG_SERIAL_BAUD_RATE(n) _CYG_SERIAL_BAUD_RATE(n) // Stop bit selections typedef enum { CYGNUM_SERIAL_STOP_1 = 1, CYGNUM_SERIAL_STOP_1_5, CYGNUM_SERIAL_STOP_2 } cyg_serial_stop_bits_t; // Parity modes typedef enum { CYGNUM_SERIAL_PARITY_NONE = 0, CYGNUM_SERIAL_PARITY_EVEN, CYGNUM_SERIAL_PARITY_ODD, CYGNUM_SERIAL_PARITY_MARK, CYGNUM_SERIAL_PARITY_SPACE } cyg_serial_parity_t; // Word length typedef enum { CYGNUM_SERIAL_WORD_LENGTH_5 = 5, CYGNUM_SERIAL_WORD_LENGTH_6, CYGNUM_SERIAL_WORD_LENGTH_7, CYGNUM_SERIAL_WORD_LENGTH_8 } cyg_serial_word_length_t; typedef struct { cyg_serial_baud_rate_t baud; cyg_serial_stop_bits_t stop; cyg_serial_parity_t parity; cyg_serial_word_length_t word_length; cyg_uint32 flags; } cyg_serial_info_t; // cyg_serial_info_t flags #define CYGNUM_SERIAL_FLOW_NONE (0) // receive flow control, send xon/xoff when necessary: #define CYGNUM_SERIAL_FLOW_XONXOFF_RX (1<<0) // transmit flow control, act on received xon/xoff: #define CYGNUM_SERIAL_FLOW_XONXOFF_TX (1<<1) // receive flow control, send RTS when necessary: #define CYGNUM_SERIAL_FLOW_RTSCTS_RX (1<<2) // transmit flow control, act when not CTS: #define CYGNUM_SERIAL_FLOW_RTSCTS_TX (1<<3) // receive flow control, send DTR when necessary: #define CYGNUM_SERIAL_FLOW_DSRDTR_RX (1<<4) // transmit flow control, act when not DSR: #define CYGNUM_SERIAL_FLOW_DSRDTR_TX (1<<5) // arguments for CYG_IO_SET_CONFIG_SERIAL_FLOW_CONTROL_FORCE #define CYGNUM_SERIAL_FLOW_THROTTLE_RX 0 #define CYGNUM_SERIAL_FLOW_RESTART_RX 1 #define CYGNUM_SERIAL_FLOW_THROTTLE_TX 2 #define CYGNUM_SERIAL_FLOW_RESTART_TX 3 // arguments for CYG_IO_SET_CONFIG_SERIAL_HW_RX_FLOW_THROTTLE #define CYGNUM_SERIAL_FLOW_HW_UNTHROTTLE 0 #define CYGNUM_SERIAL_FLOW_HW_THROTTLE 0 #define CYGNUM_SERIAL_FLOW_HW_UNTHROTTLE 0 typedef struct { cyg_int32 rx_bufsize; cyg_int32 rx_count; cyg_int32 tx_bufsize; cyg_int32 tx_count; } cyg_serial_buf_info_t; #define CYG_SERIAL_INFO_INIT(_baud,_stop,_parity,_word_length,_flags) \ { _baud, _stop, _parity, _word_length, _flags} #ifdef CYGOPT_IO_SERIAL_SUPPORT_LINE_STATUS # define CYGNUM_SERIAL_STATUS_FLOW 0 # define CYGNUM_SERIAL_STATUS_BREAK 1 # define CYGNUM_SERIAL_STATUS_FRAMEERR 2 # define CYGNUM_SERIAL_STATUS_PARITYERR 3 # define CYGNUM_SERIAL_STATUS_OVERRUNERR 4 # define CYGNUM_SERIAL_STATUS_CARRIERDETECT 5 # define CYGNUM_SERIAL_STATUS_RINGINDICATOR 6 # define CYGNUM_SERIAL_STATUS_NOISEERR 7 typedef struct { cyg_uint32 which; // one of CYGNUM_SERIAL_STATUS_* above cyg_uint32 value; // and its value } cyg_serial_line_status_t; typedef void (*cyg_serial_line_status_callback_fn_t)( cyg_serial_line_status_t *s, CYG_ADDRWORD priv ); typedef struct { cyg_serial_line_status_callback_fn_t fn; CYG_ADDRWORD priv; } cyg_serial_line_status_callback_t; #endif // ifdef CYGOPT_IO_SERIAL_SUPPORT_LINE_STATUS // Default configuration #define CYG_SERIAL_BAUD_DEFAULT CYGNUM_SERIAL_BAUD_38400 #define CYG_SERIAL_STOP_DEFAULT CYGNUM_SERIAL_STOP_1 #define CYG_SERIAL_PARITY_DEFAULT CYGNUM_SERIAL_PARITY_NONE #define CYG_SERIAL_WORD_LENGTH_DEFAULT CYGNUM_SERIAL_WORD_LENGTH_8 #ifdef CYGDAT_IO_SERIAL_FLOW_CONTROL_DEFAULT_XONXOFF # define CYG_SERIAL_FLAGS_DEFAULT (CYGNUM_SERIAL_FLOW_XONXOFF_RX|CYGNUM_SERIAL_FLOW_XONXOFF_TX) #elif defined(CYGDAT_IO_SERIAL_FLOW_CONTROL_DEFAULT_RTSCTS) # define CYG_SERIAL_FLAGS_DEFAULT (CYGNUM_SERIAL_FLOW_RTSCTS_RX|CYGNUM_SERIAL_FLOW_RTSCTS_TX) #elif defined(CYGDAT_IO_SERIAL_FLOW_CONTROL_DEFAULT_DSRDTR) # define CYG_SERIAL_FLAGS_DEFAULT (CYGNUM_SERIAL_FLOW_DSRDTR_RX|CYGNUM_SERIAL_FLOW_DSRDTR_TX) #else # define CYG_SERIAL_FLAGS_DEFAULT 0 #endif #ifdef __cplusplus } #endif #endif /* CYGONCE_SERIALIO_H */ /* EOF serialio.h */