-- MCP2221 A/D Converter Test

-- Copyright (C)2018-2023, 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; USE Ada.Text_IO;

WITH Analog;
WITH MCP2221.ADC;
WITH MCP2221.hidapi;

PROCEDURE test_adc IS

  dev    : MCP2221.Device;
  inputs : ARRAY (MCP2221.ADC.Channel) OF Analog.Input;

BEGIN
  New_Line;
  Put_Line("MCP2221 A/D Converter Test");
  New_Line;

  dev := MCP2221.hidapi.Create;

  dev.SetPinModes((0 => MCP2221.MODE_GPIO, OTHERS => MCP2221.MODE_ADC));

  FOR c IN MCP2221.ADC.Channel LOOP
    inputs(c) := MCP2221.ADC.Create(dev, c);
  END LOOP;

  Put_Line("Press CONTROL-C to exit...");
  New_Line;

  LOOP
    Put("Samples:");

    FOR i OF inputs LOOP
      Analog.Sample_IO.Put(i.Get, 5);
    END LOOP;

    New_Line;

    DELAY 2.0;
  END LOOP;
END test_adc;