-- Pimoroni Automation pHAT Modbus RTU test

-- Copyright (C)2020-2024, 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:
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-- * Redistributions of source code must retain the above copyright notice,
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-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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WITH Ada.Text_IO; USE Ada.Text_IO;

WITH GPIO;
WITH Modbus.Coils;
WITH Modbus.DiscreteInputs;
WITH Modbus.InputShortFloat;
WITH Voltage;

PROCEDURE test_pimoroni_automation_phat_rtu IS

  PACKAGE Natural_IO IS NEW Ada.Text_IO.Integer_IO(Natural); USE Natural_IO;

  PACKAGE VoltageInput IS NEW Modbus.InputShortFloat(Voltage.Volts);

  bus     : Modbus.Bus;
  adc1    : VoltageInput.Input;
  adc2    : VoltageInput.Input;
  adc3    : VoltageInput.Input;
  input1  : GPIO.Pin;
  input2  : GPIO.Pin;
  input3  : GPIO.Pin;
  output1 : GPIO.Pin;
  output2 : GPIO.Pin;
  output3 : GPIO.Pin;
  relay   : GPIO.Pin;

BEGIN
  New_Line;
  Put_Line("Pimoroni Automation pHAT Modbus RTU test");
  New_Line;

  bus     := Modbus.Create("/dev/ttyACM0");
  adc1    := VoltageInput.Create(bus, 10, 0);
  adc2    := VoltageInput.Create(bus, 10, 2);
  adc3    := VoltageInput.Create(bus, 10, 4);
  input1  := Modbus.DiscreteInputs.Create(bus, 10, 1);
  input2  := Modbus.DiscreteInputs.Create(bus, 10, 2);
  input3  := Modbus.DiscreteInputs.Create(bus, 10, 3);
  output1 := Modbus.Coils.Create(bus, 10, 1);
  output2 := Modbus.Coils.Create(bus, 10, 2);
  output3 := Modbus.Coils.Create(bus, 10, 3);
  relay   := Modbus.Coils.Create(bus, 10, 4);

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

  LOOP
    relay.Put(NOT relay.Get);
    Put("Digital Inputs:");
    Put(Natural'Image(Boolean'Pos(input1.Get)));
    Put(Natural'Image(Boolean'Pos(input2.Get)));
    Put(Natural'Image(Boolean'Pos(input3.Get)));
    Put(" Digital Outputs:");
    Put(Natural'Image(Boolean'Pos(output1.Get)));
    Put(Natural'Image(Boolean'Pos(output2.Get)));
    Put(Natural'Image(Boolean'Pos(output3.Get)));
    Put(" Analog Inputs:");
    Voltage.Volts_IO.Put(adc1.Get, 2, 2, 0);
    Voltage.Volts_IO.Put(adc2.Get, 2, 2, 0);
    Voltage.Volts_IO.Put(adc3.Get, 2, 2, 0);
    New_Line;
    DELAY 1.0;
  END LOOP;
END test_pimoroni_automation_phat_rtu;