8051 89c51ed2 DA TCL5615 sin wave - greatcat 的部落格

字體：小中大

8051 89c51ed2 DA TCL5615 sin wave

2012/10/19 11:39:49瀏覽86｜回應0｜推薦0

#include
#include
#define nop()    _nop_()

sbit SPI_CLK   = P1^7;
sbit SPI_DATA = P1^5;
sbit CS_DA     = P1^4;

code unsigned int DA_data[260]={
                    0x200,0x20C,0x219,0x225,0x232,0x23E,0x24B,0x257,0x263,0x270,
                    0x27C,0x288,0x294,0x2A0,0x2AC,0x2B8,0x2C3,0x2CF,0x2DA,0x2E6,
                    0x2F1,0x2FC,0x307,0x311,0x31C,0x326,0x330,0x33A,0x344,0x34E,
                    0x357,0x361,0x36A,0x372,0x37B,0x383,0x38B,0x393,0x39B,0x3A2,
                    0x3A9,0x3B0,0x3B7,0x3BD,0x3C3,0x3C9,0x3CE,0x3D4,0x3D9,0x3DD,
                    0x3E2,0x3E6,0x3E9,0x3ED,0x3F0,0x3F3,0x3F6,0x3F8,0x3FA,0x3FC,
                    0x3FD,0x3FE,0x3FF,0x3FF,0x3FF,0x3FF,0x3FF,0x3FE,0x3FD,0x3FC,
                    0x3FA,0x3F8,0x3F6,0x3F3,0x3F0,0x3ED,0x3E9,0x3E6,0x3E2,0x3DD,
                    0x3D9,0x3D4,0x3CE,0x3C9,0x3C3,0x3BD,0x3B7,0x3B0,0x3A9,0x3A2,
                    0x39B,0x393,0x38B,0x383,0x37B,0x372,0x36A,0x361,0x357,0x34E,
                    0x344,0x33A,0x330,0x326,0x31C,0x311,0x307,0x2FC,0x2F1,0x2E6,
                    0x2DA,0x2CF,0x2C3,0x2B8,0x2AC,0x2A0,0x294,0x288,0x27C,0x270,
                    0x263,0x257,0x24B,0x23E,0x232,0x225,0x219,0x20C,0x200,0x1F3,
                    0x1E6,0x1DA,0x1CD,0x1C1,0x1B4,0x1A8,0x19C,0x18F,0x183,0x177,
                    0x16B,0x15F,0x153,0x147,0x13C,0x130,0x125,0x119,0x10E,0x103,
                    0xF8,0xEE,0xE3,0xD9,0xCF,0xC5,0xBB,0xB1,0xA8,0x9E,0x95,0x8D,
                    0x84,0x7C,0x74,0x6C,0x64,0x5D,0x56,0x4F,0x48,0x42,0x3C,0x36,
                    0x31,0x2B,0x26,0x22,0x1D,0x19,0x16,0x12,0xF,0xC,0x9,0x7,0x5,
                    0x3,0x2,0x1,0x0,0x0,0x0,0x0,0x0,0x1,0x2,0x3,0x5,0x7,0x9,0xC,
                    0xF,0x12,0x16,0x19,0x1D,0x22,0x26,0x2B,0x31,0x36,0x3C,0x42,
                    0x48,0x4F,0x56,0x5D,0x64,0x6C,0x74,0x7C,0x84,0x8D,0x95,0x9E,
                    0xA8,0xB1,0xBB,0xC5,0xCF,0xD9,0xE3,0xEE,0xF8,0x103,0x10E,
                    0x119,0x125,0x130,0x13C,0x147,0x153,0x15F,0x16B,0x177,0x183,
                    0x18F,0x19C,0x1A8,0x1B4,0x1C1,0x1CD,0x1DA,0x1E6,0x1F3,0x1FF
                    };

void delay_1m(unsigned int dly);
void da5615(unsigned int da);
void int4_drv(void) interrupt 4
{
    if (RI == 1)
    {
        P0 = ~SBUF;
        RI = 0;
    }
    else
    {
        TI = 0;
    }

}

void main()
{

unsigned int k;
    TMOD = 0x20;
    PCON &= 0x7F;
    TH1 = 0xFA;            //19200, 22.118 , C51ED2
    SCON = 0x50;
    IP = 0x10;
    IE = 0x90;
    TR1 = 1;

while(1)
{
    k++;
        if(k>=256)
            k=0;
    da5615(DA_data[k]);
}
}
void da5615(unsigned int da)
{
unsigned char i;
SPI_CLK=0;
CS_DA=0;
    for (i=0;i<12;i++) br="">    {
            if((da&0x800)==0)
            {
                SPI_DATA=0;
            }
            else
                SPI_DATA=1;
            SPI_CLK=1;
            da=da<<1; br="">            SPI_CLK=0;
    }
    CS_DA=1;
}

( 心情隨筆｜心情日記 )