是的！你可以通过下面的函数来解决检查应答的问题：/* ********************************************************************************************** *//* 例子:兼容IIC总线的通用操作时序 */BOOLWINAPIIIC_IssueStart(ULONGiIndex ) // 指定CH341设备序号{UCHARmBuffer[ mCH341_PACKET_LENGTH ];ULONGmLength;mBuffer[ 0 ] = mCH341A_CMD_I2C_STREAM; // 命令码mBuffer[ 1 ] = mCH341A_CMD_I2C_STM_STA; // 产生起始位mBuffer[ 2 ] = mCH341A_CMD_I2C_STM_END; // 当前包提前结束mLength = 3;return( CH341WriteData( iIndex, mBuffer, &mLength ) ); // 写出数据块}BOOLWINAPIIIC_IssueStop(ULONGiIndex ) // 指定CH341设备序号{UCHARmBuffer[ mCH341_PACKET_LENGTH ];ULONGmLength;mBuffer[ 0 ] = mCH341A_CMD_I2C_STREAM; // 命令码mBuffer[ 1 ] = mCH341A_CMD_I2C_STM_STO; // 产生停止位mBuffer[ 2 ] = mCH341A_CMD_I2C_STM_END; // 当前包提前结束mLength = 3;return( CH341WriteData( iIndex, mBuffer, &mLength ) ); // 写出数据块}BOOLWINAPIIIC_OutBlockSkipAck( // 输出数据块,不检查应答ULONGiIndex, // 指定CH341设备序号ULONGiOutLength, // 准备写出的数据字节数,单次必须小于29字节PVOIDiOutBuffer ) // 指向一个缓冲区,放置准备写出的数据{UCHARmBuffer[ mCH341_PACKET_LENGTH ];ULONGmLength;if ( iOutLength == 0 || iOutLength > ( mCH341_PACKET_LENGTH - 1 - 1 - 1 ) ) return( FALSE );mBuffer[ 0 ] = mCH341A_CMD_I2C_STREAM; // 命令码mBuffer[ 1 ] = (UCHAR)( mCH341A_CMD_I2C_STM_OUT | iOutLength ); // 输出数据,位5-位0为长度memcpy( &mBuffer[2], iOutBuffer, iOutLength ); // 数据mBuffer[ 1 + 1 + iOutLength ] = mCH341A_CMD_I2C_STM_END; // 当前包提前结束mLength = 1 + 1 + iOutLength + 1;return( CH341WriteData( iIndex, mBuffer, &mLength ) ); // 写出数据块}BOOLWINAPIIIC_OutByteCheckAck( // 输出一字节数据并检查应答是否有效ULONGiIndex, // 指定CH341设备序号UCHARiOutByte ) // 准备写出的数据{UCHARmBuffer[ mCH341_PACKET_LENGTH ];ULONGmLength, mInLen;mBuffer[ 0 ] = mCH341A_CMD_I2C_STREAM; // 命令码mBuffer[ 1 ] = mCH341A_CMD_I2C_STM_OUT; // 输出数据,位5-位0为长度,0长度则只发送一个字节并返回应答mBuffer[ 2 ] = iOutByte; // 数据mBuffer[ 3 ] = mCH341A_CMD_I2C_STM_END; // 当前包提前结束mLength = 4;mInLen = 0;if ( CH341WriteRead( iIndex, mLength, mBuffer, mCH341A_CMD_I2C_STM_MAX, 1, &mInLen, mBuffer ) ) { // 执行数据流命令,先输出再输入if ( mInLen && ( mBuffer[ mInLen - 1 ] & 0x80 ) == 0 ) return( TRUE ); // 返回的数据的位7代表ACK应答位,ACK=0有效}return( FALSE );}BOOLWINAPIIIC_InBlockByAck( // 输入数据块,每输入一个字节都产生有效应答ULONGiIndex, // 指定CH341设备序号ULONGiInLength, // 准备读取的数据字节数,单次必须小于32字节PVOIDoInBuffer ) // 指向一个缓冲区,返回后是读入的数据{UCHARmBuffer[ mCH341_PACKET_LENGTH ];ULONGmLength, mInLen;if ( iInLength == 0 || iInLength > mCH341A_CMD_I2C_STM_MAX ) return( FALSE );mBuffer[ 0 ] = mCH341A_CMD_I2C_STREAM; // 命令码mBuffer[ 1 ] = (UCHAR)( mCH341A_CMD_I2C_STM_IN | iInLength ); // 输入数据,位5-位0为长度mBuffer[ 2 ] = mCH341A_CMD_I2C_STM_END; // 当前包提前结束mLength = 3;mInLen = 0;if ( CH341WriteRead( iIndex, mLength, mBuffer, mCH341A_CMD_I2C_STM_MAX, 1, &mInLen, mBuffer ) ) { // 执行数据流命令,先输出再输入if ( mInLen == iInLength ) {memcpy( oInBuffer, &mBuffer[0], iInLength ); // 数据return( TRUE );}}return( FALSE );}BOOLWINAPIIIC_InByteNoAck( // 输入一字节数据,但是不产生应答ULONGiIndex, // 指定CH341设备序号PUCHARoInByte ) // 指向一个字节的缓冲区,返回后是读入的数据{UCHARmBuffer[ mCH341_PACKET_LENGTH ];ULONGmLength, mInLen;mBuffer[ 0 ] = mCH341A_CMD_I2C_STREAM; // 命令码mBuffer[ 1 ] = mCH341A_CMD_I2C_STM_IN; // 输入数据,位5-位0为长度,0长度则只接收一个字节并发送无应答mBuffer[ 2 ] = mCH341A_CMD_I2C_STM_END; // 当前包提前结束mLength = 3;mInLen = 0;if ( CH341WriteRead( iIndex, mLength, mBuffer, mCH341A_CMD_I2C_STM_MAX, 1, &mInLen, mBuffer ) ) { // 执行数据流命令,先输出再输入if ( mInLen ) {*oInByte = mBuffer[ mInLen - 1 ]; // 数据return( TRUE );}}return( FALSE );}

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