init.c

使用msp430f448测量脉冲宽度

#include "lcdhead.h"
void WriteWord1(unsigned int word)
{
    char i;
    uchar temp;
    FSYNC1_LO;
    temp = word>>8;
    
    for(i=0;i<16;i++)
    {   
        SCLK1_HI;
        if(temp & 0x80)
              SDATA1_HI;
        else
              SDATA1_LO;
        SCLK1_LO;
        word<<=1;
    }
    FSYNC1_HI; 
    SCLK1_HI;
}

void WriteWord2(unsigned int word)
{
    char i;
    uchar temp;
    temp = word>>8;
    FSYNC2_LO;
    for(i=0;i<16;i++)
    {   
        SCLK2_HI;
        if(temp & 0x80)
              SDATA2_HI;
        else
              SDATA2_LO;
        SCLK2_LO;
        word<<=1;
    }
    FSYNC2_HI; 
    SCLK2_HI;
}
/*
void FreqSet(unsigned long freq)
{
    WriteWord1(0x0228);
    WriteWord1(0x8000|(freq&0x00003fff));
    freq>>=12;                     
    WriteWord1(0x1228);
    WriteWord1(0x8000|(freq&0x00003fff));
    WriteWord1(0xc002);

    WriteWord2(0x0228);
    WriteWord2(0x8000|(freq&0x00003fff));
    freq>>=12;                     
    WriteWord2(0x1228);
    WriteWord2(0x8000|(freq&0x00003fff));
    WriteWord2(0xc002);
}       */

void Init(void)
{
    unsigned long i;
 //   P0_3=0;
//    P2_3=0;

    for(i=65535;i!=0;i--);
    WriteWord1(0x0328);
    WriteWord2(0x0328);
    for(i=200;i!=0;i--);    
       
    WriteWord1(0x0228);
    WriteWord1(0x8000|0x2b85);                     
    WriteWord1(0x1228);
    WriteWord1(0x8000|0x0147);
    WriteWord1(0xe000);

    WriteWord2(0x0228);
    WriteWord2(0x8000|0x2b9b);                     
    WriteWord2(0x1228);
    WriteWord2(0x8000|0x0147);
    WriteWord2(0xe000);

    WriteWord1(0x0228);
    WriteWord1(0x4000);                     
    WriteWord1(0x1228);
    WriteWord1(0x4000);
    WriteWord1(0xc000);

    WriteWord2(0x0228);
    WriteWord2(0x4000);                     
    WriteWord2(0x1228);
    WriteWord2(0x4000);
    WriteWord2(0xc000);  



    for(i=65535;i!=0;i--);                           
}