spi.h

来自「实现cc2500发送」· C头文件 代码 · 共 29 行

#include <reg52.h>
#include <intrins.h>


/*sbit SCLK = P2^3;              //时钟
sbit SI = P2^2;                //主机输入
sbit SO = P2^1;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 //主机输出 
sbit CSn = P2^4;               //片选有效
*/ 
sbit CSn = P1^4;               //cc2500片选有效
sbit SCLK = P1^1;              //时钟
sbit SI = P1^0;                //主机输入
sbit SO = P1^2;                //主机输出

/*
sbit A1 = P2^0;
sbit A2 = P2^1;
sbit A3 = P2^2;
sbit A4 = P2^3;
sbit A5 = P2^4;*/
sbit A6 = P2^6;
sbit A2 = P3^0;
sbit A1 = P2^7;
sbit A3 = P3^2;


#define uchar unsigned char 
#define uint unsigned int