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bh0431 — Sun, 01 May 2011 17:21:57 +0000

�ڵ��DeviceIoControl��ʱ��ߵ�IOCTL_IIC_READ��ڶ��ٰ�� C#�µ��õġ��֪��DeviceIoControl��Ƕ��ٰ��i2c.h��д�� #define IOCTL_I2C_READ \ CTL_CODE(FILE_DEVICE_I2C, 0, METHOD_BUFFERED, FILE_ANY_ACCESS) Ҳû�о��ֵ��C#��Ӧ��ô��أ�

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yjjlllyjj — Sun, 06 Dec 2009 14:40:07 +0000

��ʱ�Ĵ��Ϣ��£� ��֪��Ϊʲô��Ӧ��Ǽ��ʱִ��I2C_Init�ͺ��ˣ��ǲ�֪��Ϊʲô��I2C_Open, I2C_IOControl, I2C_CloseҲ��ִ��ˡ��I2C_Init�Ĵ��û��ִ��Щ��ѽ�� ң��Ϣ��"OpenCount++;"��pI2C->Op ..

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yjjlllyjj — Sun, 06 Dec 2009 10:07:52 +0000

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yjjlllyjj — Sun, 06 Dec 2009 10:03:03 +0000

��ʱ��I2C�ˡ��д��ʧ�ܣ��豸createfile�͹ر��豸closehandleû��⡣ ��VS2008��д�˸�С��򣬰��¶Ի��е�ĳ��ťʱ��ִ��Ĵ��룺 I2C_IO_DESC xx; BYTE Buffin[100]; PBYTE pBuffin; & ..

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caolc3333 — Sun, 29 Nov 2009 09:07:39 +0000

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seasidsun — Thu, 17 Sep 2009 02:07:18 +0000

��֪��¥��û�У��Ҳ�ڵ��顣 �� hI2cFile = CreateFile(TEXT("I2C0:"),GENERIC_READ | GENERIC_WRITE,0,NULL,OPEN_EXISTING,0,0); if(hI2cFile == INVALID_HANDLE_VALUE) { &nbs ..

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yjjyjj — Sat, 15 Aug 2009 15:30:36 +0000

��ѵ��ˣ�� #include "winioctl.h" ֮��Ͳ��ᱨ��ˡ��ڻ��ǲ�֪��ô��ЩI2C�ĺ��ָ��һ�� 1��ȥ��2440��IICCON�Ĵ��CreateFile��ص�HANDLE��ô�÷�� 2��Ҫ��EEPROMоƬAT24C08��ĳָ��ַ��ȡһ��ֽڵ��ݣ��DeviceIOControl��Ĳ��Ӧ�� ..

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yjjyjj — Sat, 15 Aug 2009 13:26:47 +0000

��OnInitDialog()�� my_I2C_Device = CreateFile(L"I2C1:",GENERIC_READ|GENERIC_WRITE,0,NULL,OPEN_EXISTING,0,NULL ); //��豸 Ȼ��OnBnClickedButton1()��е�� DeviceIoControl(my_I2C_Device,IOCTL_I2C_READ, NULL,0,NULL,0,NULL,NULL); ��Ǳ��ʱ��һ�б��'FILE_DEVICE_CONTROL ..

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