📄 mcutofpga.c
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#include <at89x52.H>
#include "mcutofpga.h"
sbit EN = P2^7;
sbit McuData = P2^6;
sbit McuClk = P2^5;
void Delay50us(unsigned char count)
{
unsigned char i,j;
for(i=0;i<count;i++)
for(j=0;j<6;j++);
}
void InitialMcu()
{
EN=0;
McuClk=1;
McuData=0;
}
void SentByte(unsigned int x,unsigned char count)
{
unsigned char i;
for(i=0;i<count;i++)
{
McuClk = 0;
McuData = (x&(0x01<<i)) ? 1:0;
Delay50us(1);
McuClk =1;
Delay50us(1);
}
}
void sentData(unsigned int freq,unsigned int phase)
{
EN=1;
Delay50us(1);
SentByte(freq,15);
SentByte(phase,9);
Delay50us(1);
EN=0;
}
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