-- Minimal Ada wrapper for the Linux serial port services -- implemented in libsimpleio.so -- Copyright (C)2016-2023, Philip Munts dba Munts Technologies. -- -- Redistribution and use in source and binary forms, with or without -- modification, are permitted provided that the following conditions are met: -- -- * Redistributions of source code must retain the above copyright notice, -- this list of conditions and the following disclaimer. -- -- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -- ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE -- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -- POSSIBILITY OF SUCH DAMAGE. -- String actual parameters *MUST* be NUL terminated, e.g. "FOO" & ASCII.NUL WITH System; PACKAGE libSerial IS PRAGMA Link_With("-lsimpleio"); PARITY_NONE : CONSTANT Integer := 0; PARITY_EVEN : CONSTANT Integer := 1; PARITY_ODD : CONSTANT Integer := 2; PROCEDURE Open (devname : String; baudrate : Integer; parity : Integer; databits : Integer; stopbits : Integer; fd : OUT Integer; error : OUT Integer); PRAGMA Import(C, Open, "SERIAL_open"); PROCEDURE Close (fd : Integer; error : OUT Integer); PRAGMA Import(C, Close, "SERIAL_close"); PROCEDURE Send (fd : Integer; buf : System.Address; size : Integer; count : OUT Integer; error : OUT Integer); PRAGMA Import(C, Send, "SERIAL_send"); PROCEDURE Receive (fd : Integer; buf : System.Address; size : Integer; count : OUT Integer; error : OUT Integer); PRAGMA Import(C, Receive, "SERIAL_receive"); END libSerial;