bulktest.c

CH372 USB-UART Chip Specification Document,for reference only

// 2003.09.08, 2003.12.28
//****************************************
//**  Copyright  (C)  W.ch  1999-2004   **
//**  Web:  http://www.winchiphead.com  **
//****************************************
//**  DLL for USB interface chip CH375  **
//**  C, VC5.0                          **
//****************************************
//
// USB总线接口芯片CH375的数据块测试程序 V1.0
// 南京沁恒电子有限公司  作者: W.ch 2003.12
// CH375-BLK  V1.0
// 运行环境: Windows 98/ME, Windows 2000/XP
// support USB chip: CH372/CH375
//


#include	<windows.h>
#include	<stdlib.h>
#include	<stdio.h>
#include	<conio.h>
#include	<winioctl.h>

#include	"CH375DLL.H"				// CH375的动态链接库

// 我们在计算机和单片机的应用程序之间约定下传数据的首字节是命令码
#define		TEST_START			0x20	// 测试过程开始
#define		TEST_DATA			0x21	// 测试数据正确性
#define		TEST_UPLOAD			0x22	// 测试上传数据块
#define		TEST_DOWNLOAD		0x23	// 测试下传数据块


//程序入口
void main ( )
{
	unsigned char	mBuffer[4100];
	unsigned char	mReadBuf[100];
	unsigned long	i, mLength, mTestCount, mErrCnt, mStep, mTotal;
	double          speed;

	printf( "\nCH372/CH375 Bulk Data Test Program V1.1 ,   Copyright (C) W.ch 2004.12\n" );
	printf( "test data correctness and USB speed \n" );

// 需要使用DLL则需要先加载
	printf( "*** Load DLL: CH375DLL.DLL \n" );
	if ( LoadLibrary( "CH375DLL.DLL" ) == NULL ) return;  // 加载DLL失败,可能未安装到系统中

	printf( "*** CH375OpenDevice: 0# \n" );
	if ( CH375OpenDevice( 0 ) == INVALID_HANDLE_VALUE ) return;  /* 使用之前必须打开设备 */

	CH375SetTimeout( 0, 2000, 2000 );  // 设置USB数据读写的超时,超过2000mS未完成读写将强制返回,避免一直等待下去

	mErrCnt=0;

	printf( "*** Step-0: notice MCU start test \n" );
	mBuffer[0]=TEST_START;  // 我们在计算机和单片机的应用程序之间约定下传数据的首字节是命令码
	mTotal=1;
	if ( CH375WriteData( 0, &mBuffer, &mTotal ) )  // 发送成功
	{
		printf( "start test now\n" );
	}
	else {  // 写操作失败
		mErrCnt++;
		printf( "S0-T0 CH375WriteData return error, length=1\n" );
	}
	Sleep(200);
	mBuffer[0]=TEST_START;
	mTotal=1;
	if ( CH375WriteData( 0, &mBuffer, &mTotal ) )  // 发送成功
	{
	}
	else {  // 写操作失败
		mErrCnt++;
		printf( "S0-T1 CH375WriteData return error, length=1\n" );
	}
	Sleep(200);

	printf( "*** Step-1: test data correctness: 5000 times, random length and data\n" );
	for ( mTestCount=0; mTestCount<5000; ++mTestCount )  // 循环测试
	{
		mStep=mTestCount&0x03;
		switch( mStep )
		{
			case 0: memset( mBuffer, 0x00, 64 );  // 发送全00H/返回全FFH
					break;
			case 1: memset( mBuffer, 0xff, 64 );  // 发送全FFH/返回全00H
					break;
			default: for ( i=0; i<64; i+=4 ) *(unsigned long *)(&mBuffer[i])=rand();  // 发送随机数/返回位反码
					break;
		}
		mBuffer[0]=TEST_DATA;
		mTotal=rand();  // 随机数长度
		mTotal=mTotal%100;
		if ( mTotal == 0 || mTotal > 64 ) mTotal=(mTotal&0x01)?64:63;
		printf( "Cnt=%4ld, Len=%2ld, Data: %02XH,%02XH,%02XH,%02XH...\xd", mTestCount, mTotal, mBuffer[0], mBuffer[1], mBuffer[2], mBuffer[3] );
		if ( kbhit() )
		{
			if ( getch() == 0x20 ) {  // 终止循环
				printf( "*** CH375CloseDevice by break: 0              \n" );
				CH375CloseDevice( 0 );
				exit(2);
				break;
			}
		}
		if ( CH375WriteData( 0, &mBuffer, &mTotal ) )  // 发送成功
		{
			mLength = 64;
			if ( CH375ReadData( 0, &mReadBuf, &mLength ) )  // 接收成功
			{
				if ( mLength != mTotal || mLength==0 ) {
					mErrCnt++;
					printf( "S1-T%0ld-C%ld return length error: %ld (%ld)\n", mStep, mTestCount, mLength, mTotal );
				}
				else {
					for ( i=0; i<mLength; ++i ) {
						if ( (mReadBuf[i]^0xff)!=mBuffer[i] ) {
							mErrCnt++;
							printf( "S1-T%0ld-C%ld return data error at %ld: %02XH (%02XH)\n", mStep, mTestCount, i, mReadBuf[i], mBuffer[i] );
						}
					}
				}
			}
			else {  // 读操作失败
				mErrCnt++;
				printf( "S1-T%0ld-C%ld CH375ReadData return error, length=%ld\n", mStep, mTestCount, mTotal );
			}
		}
		else {  // 写操作失败
			mErrCnt++;
			printf( "S1-T%0ld-C%ld CH375WriteData return error, length=%ld\n", mStep, mTestCount, mTotal );
		}
	}
	if ( mErrCnt==0 ) printf( "*** passed                                             \n" );
	Sleep(100);

	printf( "*** Step-2: test speed of download data: 2048KB data \n" );
	for ( i=0; i<4096; i+=4 ) *(unsigned long *)(&mBuffer[i])=rand();  // 产生随机数以发送
	for ( i=0; i<4096; i+=64 ) mBuffer[i]=TEST_DOWNLOAD;  // 每64字节为一个数据包,首字节为命令码
	mTotal=0;
	mStep=GetTickCount();
	for ( mTestCount=0; mTestCount<500; ++mTestCount )  // 循环测试
	{
		*(unsigned long *)(&mBuffer[4])=mTestCount;
		mLength = 4096;
		if ( CH375WriteData( 0, &mBuffer, &mLength ) )  // 发送成功
		{
			if ( mLength != 4096 ) printf( "S2-C%ld CH375WriteData actual length short %ld (4096)\n", mLength );
			mTotal +=mLength;  // 累计长度
		}
		else {  // 写操作失败
			mErrCnt++;
			printf( "S2-C%ld CH375WriteData return error\n", mTestCount );
		}
	}
	mLength=GetTickCount();
	mLength=mLength-mStep;
	speed=1000;
	if ( mLength !=0 ) speed=speed*mTotal/mLength;
	else speed=9999999;
	printf( "*** download speed = %7.1f Bytes/Sec, total=%ld bytes, time=%ld mS\n", speed, mTotal, mLength);
	Sleep(100);

	printf( "*** Step-3: test speed of upload data: 2048KB data\n" );
	mBuffer[0]=TEST_UPLOAD;
	mLength = 1;
	if ( CH375WriteData( 0, &mBuffer, &mLength ) )  // 发送成功
	{
		mTotal=0;
		mStep=GetTickCount();
		for ( mTestCount=0; mTestCount<500; ++mTestCount )  // 循环测试
		{
			mLength = 4096;
			if ( CH375ReadData( 0, &mBuffer, &mLength ) )  // 接收成功
			{
				if ( mLength != 4096 ) printf( "S3-C%ld CH375ReadData actual length short %ld (4096)\n", mLength );
				mTotal +=mLength;  // 累计长度
			}
			else {  // 读操作失败
				mErrCnt++;
				printf( "S3-C%ld CH375ReadData return error\n", mTestCount );
			}
		}
		mLength=GetTickCount();
		mLength=mLength-mStep;
		speed=1000;
		if ( mLength !=0 ) speed=speed*mTotal/mLength;
		else speed=9999999;
		printf( "*** upload speed = %7.1f Bytes/Sec, total=%ld bytes, time=%ld mS\n", speed, mTotal, mLength);
	}
	else {  // 写操作失败
		mErrCnt++;
		printf( "S3 CH375WriteData return error\n" );
	}
	Sleep(100);

// 关闭CH375设备,如果不继续使用则必须关闭设备,就象读写完硬盘中的数据文件后要关闭一样
	printf( "*** Total error = %ld \n", mErrCnt );
	printf( "*** CH375CloseDevice: 0 \n" );
	CH375CloseDevice( 0 );

	printf( "\nExit.\n" );
	getch();
}