' MuntsOS GPIO Thin Server Toggle Speed Test

' Copyright (C)2016-2024, 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:
'
' * 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
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' POSSIBILITY OF SUCH DAMAGE.

TextWindow.WriteLine("MuntsOS GPIO Thin Server Toggle Speed Test")
TextWindow.WriteLine("")

' Connect to GPIO server

TextWindow.Write("Enter server name or IP address: ")
servername = TextWindow.Read()
TextWindow.WriteLine("")

GPIO.Connect(servername)

' Configure GPIO output

GPIO.Configure(26, "output", 0)

' Perform toggle speed test

Iterations = 20000

TextWindow.WriteLine("Performing "+ Iterations + " GPIO writes...")
TextWindow.WriteLine("")

starttime = Clock.ElapsedMilliseconds

For i = 1 To Iterations/2
  GPIO.Write(26, 1)
  GPIO.Write(26, 0)
EndFor

endtime = Clock.ElapsedMilliseconds

' Calculate statistics

deltat = (endtime - starttime)/1000.0
rate = Iterations/deltat
cycletime = deltat/Iterations

' Display statistics

TextWindow.WriteLine("Performed " + Iterations + " GPIO writes in " + deltat + " seconds")
TextWindow.WriteLine("  " + Math.Round(rate) + " iterations per second")
TextWindow.WriteLine("  " + Math.Round(cycletime*1000000.0) + " microseconds per iteration")
TextWindow.WriteLine("")