' Raspberry Pi LPC1114 I/O Processor Expansion Board SPI Agent Firmware
' Version test program

' Copyright (C)2015-2018, Philip Munts, President, Munts AM Corp.
'
' 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.

' Layout the GUI

IsTablet = LDFile.Exists("C:\ProgramData\MuntsTechnologies\tablet.txt")

GraphicsWindow.Title = "Raspberry Pi LPC1114 Version Test"
GraphicsWindow.BrushColor = "black"

If IsTablet Then
  ' Layout the GUI for Windows tablet

  LDUtilities.GWState = 2
  W = GraphicsWindow.Width
  H = GraphicsWindow.Height
  GraphicsWindow.FontSize = 32
  GraphicsWindow.DrawText(W/2 - 300,  50, "Raspberry Pi LPC1114 I/O Processor")
  GraphicsWindow.DrawText(W/2 - 300, 100, "Expansion Board SPI Agent Firmware")
  GraphicsWindow.DrawText(W/2 - 300, 150, "Version Test")
  GraphicsWindow.FontSize = 32
  GraphicsWindow.DrawText(W/2 - 300, 250, "Server name:")
  TextBoxServerName = Controls.AddTextBox(W/2 - 80, 245)
  Controls.SetSize(TextBoxServerName, 260, 50)
  ButtonQuery = Controls.AddButton("Query", W/2 + 190, 245)
  Results1 = Shapes.AddText("")
  Results2 = Shapes.AddText("")
  Controls.Move(Results1, W/2 - 350, 350)
  Controls.Move(Results2, W/2 - 350, 400)
Else
  ' Layout the GUI for Windows Desktop

  GraphicsWindow.Width = 400
  GraphicsWindow.Height = 180
  GraphicsWindow.FontSize = 18
  GraphicsWindow.DrawText(30, 10, "Raspberry Pi LPC1114 I/O Processor")
  GraphicsWindow.DrawText(30, 30, "Expansion Board SPI Agent Firmware")
  GraphicsWindow.DrawText(30, 50, "Version Test")
  GraphicsWindow.FontSize = 14
  GraphicsWindow.DrawText(30, 84, "Server name:")
  TextBoxServerName = Controls.AddTextBox(130, 80)
  ButtonQuery = Controls.AddButton("Query", 300, 78)
  Results1 = Shapes.AddText("")
  Results2 = Shapes.AddText("")
  Controls.Move(Results1, 30, 120)
  Controls.Move(Results2, 30, 140)
  GraphicsWindow.Show()
Endif

' Preload server name from command line argument

If Program.ArgumentCount = 1 Then
  Controls.SetTextBoxText(TextBoxServerName, Program.GetArgument(1))
Endif

' Register the button click event handler

Controls.ButtonClicked = ButtonHandler

' This subroutine handles button presses

Sub ButtonHandler
  c = Controls.GetButtonCaption(Controls.LastClickedButton)

  ' Query button pressed

  If c = "Query" Then
    SPIAgent.Open(Controls.GetTextBoxText(TextBoxServerName))
    If SPIAgent.error <> 0 Then
      GraphicsWindow.ShowMessage("SPIAgent.Open() returned error " + SPIAgent.error, "ERROR:")
      Goto ButtonHandlerDone
    Endif

    ' Query the firmware version

    SPIAgent.Command("nop", 0, 0)
    If SPIAgent.error <> 0 Then
      GraphicsWindow.ShowMessage("SPIAgent.Command() returned error " + SPIAgent.error, "ERROR:")
      Goto ButtonHandlerDone
    EndIf

    firmware_version = SPIAgent.data

    ' Query the LPC1114 device ID

    SPIAgent.Command("get_sfr", "device_id", 0)
    If SPIAgent.error <> 0 Then
      GraphicsWindow.ShowMessage("SPIAgent.Command() returned error " + SPIAgent.error, "ERROR:")
      Goto ButtonHandlerDone
    EndIf

    device_id = SPIAgent.datahex

    Shapes.SetText(Results1, "The SPI Agent Firmware version number is " + firmware_version)
    Shapes.SetText(Results2, "The LPC1114 device ID is " + device_id)

    SPIAgent.Close()
  EndIf

  ButtonHandlerDone:
EndSub