//0 1 2 3 4 5 6 7 8 9 a b c d e f 8 None
//unsigned char code pos[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
//1 2 3 4 5 6 7 8
/*--------------------------------------------*/
// Function declaration
void Ser_IN(unsigned char Data); //Serial data input
void Par_OUT(void); //Serial data output
//void Ser_Par(unsigned char Data); //Serial input, parallel output
/*--------------------------------------------*/
//Serial data input
void Ser_IN(unsigned char Data)
{
unsigned char i;
for(i = 0; i < 8; i++)
{
SH_CK = 0; //CLOCK_MAX=100MHz
SD = Data & 0x80;
Data <<= 1;
SH_CK = 1;
}
}
/*--------------------------------------------*/
//Parallel data output
void Par_OUT(void)
{
ST_CK = 0;
ST_CK = 1;
}
/*--------------------------------------------*/
//Serial input, parallel output
/*void Ser_Par(unsigned char Data)
{
Ser_IN(Data);
Par_OUT();
}
*/
/*--------------------------------------------*/
#endif
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Professor at Beihang University, dedicated to promoting microcontrollers and embedded systems for over 20 years.
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