main.c

TLV5616 da转换 实现数字信号到模拟信号的转换

#define		C_SIOCLOCK    0x0010; 									// CPUCLOCK/8
#include	"SPCE061V004.H"
/*unsigned int buff[]={0x1000,0x903e,0x5097,0x305c,0xb086,0x70ca,0xf0e0,0xf06e,0xf039,0xf06e,
                     0xf0e0,0x70ca,0xb086,0x305c,0x5097,0x903e,0x1000,0x6021,0xa0e8,0xc063,
                     0x40f9,0x80b5,0x009f,0x0051,0x0026,0x0051,0x009f,0x80b5,0x40f9,0xc063,
                     0xa0e8,0x6021};*/
                     unsigned int buff[]={0x0100,0x0903,0x0509};//0.875
Init_DAPort()
{
	*P_IOA_Dir = 0xFFFF;//数据输出
	*P_IOA_Attrib = 0xFFFF;//无数据反向功能
	*P_IOA_Data = 0x0003; //  CS=1 FS=1
}
Init_SIOPort()	//初始化SIO口
{
	
    *P_IOB_Dir = 0xFFFF;//数据输出
	*P_IOB_Attrib = 0xFFFF;//无数据反向功能
    *P_IOB_Data = 0x0003;
    *P_SIO_Ctrl = 0x00C3;//设置P_IOB0 P_IOB1口为SCK SDK设置数据帧的写传输 接通读/写帧的传输(默认)
	//数据传输速率设为CPUClk/16 8位地址设置
	//*P_SIO_Ctrl=0x00C1+C_SIOCLOCK;  // clk=	CPUclk/8, 无地址
	*P_SIO_Addr_Low=0x0000; 	
	*P_SIO_Addr_Mid=0x0000; 		
	*P_SIO_Addr_High=0x0000;
}

Busy()//判断数据数否传输完成
{
    unsigned int i;
	i=*P_SIO_Start;
	i&=0x0080;//只要*P_SIO_Start的第7位为“1”就还在传输数据
	while(i)
	{
		i=*P_SIO_Start;
		i&=0x0080;
	}	
}

Delay()
{
	unsigned int i;
	i=0x7ff;						// 延时
	while(i--);
}

Start()
{
	*P_IOA_Data = 0x0001; // CS=0 FS=1 
	*P_IOA_Data = 0x0000; // CS=0 FS=0	
	*P_SIO_Start=1;           		// 启动写模式
}

Stop()
{
	*P_SIO_Stop=1;
	*P_IOA_Data = 0x0003; // CS= FS=1
}

Translate_Data()
{
	unsigned int j,data;	
	for(j=0;j<3;j++)
	{
		data=buff[j];
		buff[j]=buff[j]>>8;
		*P_SIO_Data=buff[j]||0x00; 		// 往SIO送数据
		Busy();
	   *P_SIO_Data=data&0xff; 		// 往SIO送数据
		Busy();
	}
}
main()
{
	while(1)
	{	
		Init_DAPort();
		Init_SIOPort();		
		Start();   
		Delay();
		Translate_Data();
		//Busy();
		Stop();	
	}
}