DA0832 波形输出，支持正弦，余弦，线形，三角波-DA0832 waveform output, support for sine, cosine, linear, triangle wave

研华PCI-1720应用程序，应用在两个通道同步输出正弦和余弦曲线，组成圆形。-Advantech PCI-1720 applications, applied to two channels of simultaneous output of sine and cosine curves to form a circle.