da.c

ccs 开发环境 vc5416 （瑞泰）da程序

ioport unsigned int port1000,port1001,port1002,port1003,port1004;
#define DAC0 port1000
#define DAC1 port1001
#define DAC2 port1002
#define DAC3 port1003
#define LDAC port1004
main()
{
	unsigned int uDA0,uDA1,uDA2,uDA3;

	uDA0=0;
	uDA1=1023;
	uDA2=2047;
	uDA3=3071;
	for(;;)
	{
		DAC0=uDA0;		// 通道0赋值
		DAC1=uDA1;		// 通道1赋值
		DAC2=uDA2;		// 通道2赋值
		DAC3=uDA3;		// 通道3赋值
		LDAC=0x1f;		// 通道4赋值
		
		uDA0+=0x10; uDA0%=4096;
		uDA1+=0x10; uDA1%=4096;
		uDA2+=0x10; uDA2%=4096;
		uDA3+=0x10; uDA3%=4096;
	}
}