daq.h

NI DAQ card 6221(37pins)的windows驱动程序,实现对数据采集卡的io控制,在工程领域很有用.

extern "C" int __declspec(dllexport) DigitalLineIn(const char *line, uInt8 *data);
extern "C" int __declspec(dllexport) DigitalLineOut(const char *line, uInt8 *data);
extern "C" int __declspec(dllexport) AnalogIn(const char *line, float64 *data);