硬件本身提供了usb驱动,但是根据easyd12.dll里面提供的函数如下; function ReadPort1(DataArray: array of Byte; iLen :integer):integer;stdcall;external 'EasyD12.dll'; function ReadPort2(DataArray: array of Byte; iLen :integer):integer;stdcall;external 'EasyD12.dll'; function WritePort1(DataArray: array of Byte;iLen :integer):integer;stdcall;external 'EasyD12.dll'; function WritePort2(DataArray: array of Byte;iLen :integer):integer;stdcall;external 'EasyD12.dll';可是我用readport2时,总是出问题,还有就是不知道单片机发来的数据是什么格式,接受的时候是不是分高位地址和地位地址,
function ReadPort1(DataArray: array of Byte; iLen :integer):integer;stdcall;external 'EasyD12.dll';
function ReadPort2(DataArray: array of Byte; iLen :integer):integer;stdcall;external 'EasyD12.dll';
function WritePort1(DataArray: array of Byte;iLen :integer):integer;stdcall;external 'EasyD12.dll';
function WritePort2(DataArray: array of Byte;iLen :integer):integer;stdcall;external 'EasyD12.dll';可是我用readport2时,总是出问题,还有就是不知道单片机发来的数据是什么格式,接受的时候是不是分高位地址和地位地址,