flash_29f040.h

来自「完整的Bell实验室的嵌入式文件系统TFS」· C头文件 代码 · 共 15 行

#define ftype               volatile unsigned char
#define Write_aa_to_555()   (*(ftype *)(fdev->base+(0x5555<<0)) = 0xaa)
#define Write_55_to_2aa()   (*(ftype *)(fdev->base+(0x2aaa<<0)) = 0x55)
#define Write_80_to_555()   (*(ftype *)(fdev->base+(0x5555<<0)) = 0x80)
#define Write_a0_to_555()   (*(ftype *)(fdev->base+(0x5555<<0)) = 0xa0)
#define Write_f0_to_555()   (*(ftype *)(fdev->base+(0x5555<<0)) = 0xf0)
#define Write_90_to_555()   (*(ftype *)(fdev->base+(0x5555<<0)) = 0x90)
#define Write_30_to_(add)   (*(ftype *)add = 0x30)
#define Read_0000()         (*(ftype *)(fdev->base+(0x0000<<0)))
#define Read_0001()         (*(ftype *)(fdev->base+(0x0001<<0)))
#define Read_5555()         (*(ftype *)(fdev->base+(0x5555<<0)))
#define Is_ff(add)          (*(ftype *)add == 0xff)
#define Is_not_ff(add)      (*(ftype *)add != 0xff)
#define D5_Timeout(add)     ((*(ftype *)add & 0xdf) == 0x20)