仿真TLC5628的问题

jixiangyu

小弟用TLC5628产生正弦波，一直调试不成功，望大虾指点一二，多谢
程序如下
#include <reg51.h>
#include<intrins.h>
sbit CLK=P2^0;
sbit DATA=P2^1;
sbit LOAD=P2^2;
sbit LDAC=P2^3;
#define uchar unsigned char;
uchar  code sintab[] =        //正弦波输出表
{
     0x80,0x83,0x86,0x89,0x8D,0x90,0x93,0x96,0x99,0x9C,0x9F,0xA2,0xA5,0xA8,0xAB,0xAE,
     0xB1,0xB4,0xB7,0xBA,0xBC,0xBF,0xC2,0xC5,0xC7,0xCA,0xCC,0xCF,0xD1,0xD4,0xD6,0xD8,
     0xDA,0xDD,0xDF,0xE1,0xE3,0xE5,0xE7,0xE9,0xEA,0xEC,0xEE,0xEF,0xF1,0xF2,0xF4,0xF5,
     0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFD,0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
     0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0xFD,0xFD,0xFC,0xFB,0xFA,0xF9,0xF8,0xF7,0xF6,
     0xF5,0xF4,0xF2,0xF1,0xEF,0xEE,0xEC,0xEA,0xE9,0xE7,0xE5,0xE3,0xE1,0xDF,0xDD,0xDA,
     0xD8,0xD6,0xD4,0xD1,0xCF,0xCC,0xCA,0xC7,0xC5,0xC2,0xBF,0xBC,0xBA,0xB7,0xB4,0xB1,
     0xAE,0xAB,0xA8,0xA5,0xA2,0x9F,0x9C,0x99,0x96,0x93,0x90,0x8D,0x89,0x86,0x83,0x80,
     0x80,0x7C,0x79,0x76,0x72,0x6F,0x6C,0x69,0x66,0x63,0x60,0x5D,0x5A,0x57,0x55,0x51,
     0x4E,0x4C,0x48,0x45,0x43,0x40,0x3D,0x3A,0x38,0x35,0x33,0x30,0x2E,0x2B,0x29,0x27,
     0x25,0x22,0x20,0x1E,0x1C,0x1A,0x18,0x16,0x15,0x13,0x11,0x10,0x0E,0x0D,0x0B,0x0A,
     0x09,0x08,0x07,0x06,0x05,0x04,0x03,0x02,0x02,0x01,0x00,0x00,0x00,0x00,0x00,0x00,
     0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,
     0x0A,0x0B,0x0D,0x0E,0x10,0x11,0x13,0x15,0x16,0x18,0x1A,0x1C,0x1E,0x20,0x22,0x25,
     0x27,0x29,0x2B,0x2E,0x30,0x33,0x35,0x38,0x3A,0x3D,0x40,0x43,0x45,0x48,0x4C,0x4E,
     0x51,0x55,0x57,0x5A,0x5D,0x60,0x63,0x66,0x69,0x6C,0x6F,0x72,0x76,0x79,0x7C,0x7E
   

};
void tlc5628sendbit(unsigned char dat)
{
        if(dat==0)
        {
                DATA=0;
        }
        else
        {
                DATA=1;
        }
        CLK=1;
                _nop_();
                _nop_();
                _nop_();
                _nop_();
        CLK=0;
}
void tlc5628sendbyte(unsigned char dat)
{
        unsigned char i;
        for(i=0;i<8;i++)
        {
                tlc5628sendbit(dat&0x80);
                dat<<=1;
       
        }
}
void tlc5628sendaddr(unsigned char addr)
{
        unsigned char i;
        addr<<=6;
        for(i=0;i<2;i++)
        {
                tlc5628sendbit(addr&0x80);
                addr<<=1;       
        }
        //tlc5628sendbit(0);
}
void tlc5628da(unsigned char addr,unsigned char ang,unsigned char dat)
{
        CLK=0;
        tlc5628sendaddr(addr);
        tlc5628sendbit(ang);
        tlc5628sendbyte(dat);
        LOAD=0;
        _nop_();
        _nop_();
        LOAD=1;
         _nop_();
        _nop_();



}
void main()
{
        unsigned char i;
        while(1)
        {
                for(i=0;i<256;i++)
                tlc5628da(0,1,sintab);
       
        }
}