diff options
| -rw-r--r-- | writeprotect.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/writeprotect.h b/writeprotect.h index 8510226d..2f473f74 100644 --- a/writeprotect.h +++ b/writeprotect.h @@ -18,6 +18,42 @@ #ifndef __WRITEPROTECT_H__ #define __WRITEPROTECT_H__ 1 +#include <stdint.h> +#include <stdbool.h> +#include <stddef.h> + #define MAX_BP_BITS 4 +/* + * Description of a chip's write protection configuration. + * + * It allows most WP code to store and manipulate a chip's configuration + * without knowing the exact layout of bits in the chip's status registers. + */ +struct wp_bits { + /* Status register protection bit (SRP) */ + bool srp_bit_present; + uint8_t srp; + + /* Status register lock bit (SRL) */ + bool srl_bit_present; + uint8_t srl; + + /* Complement bit (CMP) */ + bool cmp_bit_present; + uint8_t cmp; + + /* Sector/block protection bit (SEC) */ + bool sec_bit_present; + uint8_t sec; + + /* Top/bottom protection bit (TB) */ + bool tb_bit_present; + uint8_t tb; + + /* Block protection bits (BP) */ + size_t bp_bit_count; + uint8_t bp[MAX_BP_BITS]; +}; + #endif /* !__WRITEPROTECT_H__ */ |