spi.def

关于与计算机超级终端通讯的小程序.(RS232)

// ---- spi.def ---- //

typedef unsigned char uchar;

#define WREN 	0x06		/* set write enable latch for NM25C20 */
#define WRDI 	0x04		/* reset write enable latch */
#define RDSR 	0x05		/* read status register */
#define WRSR 	0x01		/* write status register */
#define READ 	0x03		/* read data from memory */
#define WRITE	0x02		/* write dato to memory */
#define CS   	PDR7_P70
#define WP   	PDR7_P72
#define DUMMY  	0x00