spi.#2

来自「silabs USB c8051f321 ,DAB USB dongle的资料,」· #2 代码 · 共 46 行

#include <c8051f320.h> 
#include "usb_api.h"


extern xdata unsigned char  buffer_storage[512];
 
extern void Dab_Read_Register(int reg_addr,int *ptrdata);
extern void Dab_Write_Register(int reg_addr,int reg_data);

sbit LED = P0^7; 

int dab_int_sta;

extern void Pi_Read(void);
extern BYTE usb_write_flag;

sbit 	RDN	=  P2^0 ;//读信号
sbit 	CSN	=  P2^1 ;//片选信号

void INT0_ISR (void) interrupt 0
{

	LED=~LED;
	Pi_Read();
	Dab_Read_Register(0x0027,&dab_int_sta);
	CSN = 1;
	usb_write_flag=1;

}







void SPI_ISR(void) interrupt 6
{


}