#include <windows.h>
#include <stdio.h>
#include "CyAPI.h"

// GUID {0EFA2C93-0C7B-454F-9403-D638F6C37E65}
static GUID GUID_KNJN_FX2 = {0x0EFA2C93, 0x0C7B, 0x454F, 0x94, 0x03, 0xD6, 0x38, 0xF6, 0xC3, 0x7E, 0x65};

void main()
{
	//Create Cypress CyUSB object
	CCyUSBDevice *MyUSBDevice = new CCyUSBDevice(NULL, GUID_KNJN_FX2);

	//This is transfered byte buffer.
	unsigned char transferbuf[512];

	//HiRes Perf Counter
	__int64 counter1 = 0, counter2 = 0, freq = 0;

	LONG transferlen = 512;

	//Get HiRes Performance Counter Freq
	QueryPerformanceFrequency((LARGE_INTEGER *)&freq);

	//Get Hires Perf Counter: Start
	QueryPerformanceCounter((LARGE_INTEGER *)&counter1);

	//Execute Transfer 1000 times = 512KB.
	for (int i = 0 ; i < 1000; i++)
	{
		MyUSBDevice->EndPoints[3]->XferData(transferbuf, transferlen);
	}

	//Get Hires Perf Counter: Finish
	QueryPerformanceCounter((LARGE_INTEGER *)&counter2);

	printf("Counter: %d\n", counter2 - counter1);
	printf("QueryPerformanceCounter minimum resolution: 1/%d Seconds.\n",freq);
	printf("512bytes x 1000 write time: %f seconds.",((counter2 - counter1) * 1.0 / freq));
	printf("BandWidth = %d KB/sec.\n", transferlen * freq / (counter2 - counter1));

	delete MyUSBDevice;
}