Update README.md

Author: abaelen

README.md

@@ -9,7 +9,15 @@ The code provides a library that adds the Isochronous port to Windows keeping th
 What you find:
 1) The Arduino Sketch implementing Isochronous USB IN transactions
 2) The Atmel code implementing Isochronous USB IN transactions
-3) The Visual studio C++ code implementing a WinUSB based driver for receiving the Isochronous datatransfer in memory databuffer.
+3) The Visual studio C++ code implementing a WinUSB based driver for receiving the Isochronous datatransfer in memory databuffer. (new version!)
+
+The VS C++ code is renewed and provides a C DLL library with several functions as:
+Initialize
+Start
+Stop
+Read
+Copy
+The library provides the class as well as the DLL exports, exposing it to external applications.
 
 References for reading:
 On USB protocol:
@@ -26,6 +34,21 @@ On WinUSB api for windows receiving end:
 
 https://docs.microsoft.com/en-us/windows-hardware/drivers/usbcon/getting-set-up-to-use-windows-devices-usb
 
+Further detail around some tests I did comparing the BULK, ie. standard data transfer using Serial.print and Isochronous datatransfer.
+Test description:
+Run iterative ADC reads for 5 seconds (using RTC clock).
+Keep number of iterations made = Test result
+Write ADC read to Serial.print in 
+package of 2 bytes (serial.print)
+package of 52 bytes (serial.print)
+package of 1023 bytes (isochronous)
+no writing
+Test results:
+2 bytes: 33 000 iterations
+52 bytes: 30 000 iterations
+1023 bytes: 1 293 000 iterations
+no writing: 1 318 000 iterations
+
 
 Hope it can inspire you,