-- Humidity measurement definitions

-- 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.

WITH Ada.Text_IO;
WITH IO_Interfaces;

PACKAGE Humidity IS

  TYPE Relative IS NEW Float RANGE 0.0 .. 100.0;

  -- Instantiate text I/O package

  PACKAGE Relative_IO IS NEW Ada.Text_IO.Float_IO(Relative);

  -- Instantiate abstract interfaces package

  PACKAGE Interfaces IS NEW IO_Interfaces(Relative);

  -- Define an abstract interface for humidity sensor inputs, derived from
  -- Interfaces.InputInterface

  TYPE InputInterface IS INTERFACE AND Interfaces.InputInterface;

  -- Define an access type compatible with any subclass implementing
  -- InputInterface

  TYPE Input IS ACCESS ALL InputInterface'Class;

END Humidity;