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view romdb.h @ 769:4638b88bc72d
Initial work on I2C EEPROM implementation
author | Michael Pavone <pavone@retrodev.com> |
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date | Fri, 10 Jul 2015 18:46:18 -0700 |
parents | ea525f600b1d |
children | a3b90f746dcf |
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#ifndef ROMDB_H_ #define ROMDB_H_ #define REGION_J 1 #define REGION_U 2 #define REGION_E 4 #define RAM_FLAG_ODD 0x18 #define RAM_FLAG_EVEN 0x10 #define RAM_FLAG_BOTH 0x00 #define RAM_FLAG_MASK RAM_FLAG_ODD #define SAVE_I2C 0x01 #define SAVE_NONE 0xFF #include "tern.h" #include "backend.h" typedef struct { uint32_t start; uint32_t end; uint16_t sda_write_mask; uint16_t scl_mask; uint8_t sda_read_bit; } eeprom_map; typedef struct { uint8_t host_sda; uint8_t slave_sda; uint8_t scl; } eeprom_state; typedef struct { char *name; memmap_chunk *map; uint8_t *save_buffer; eeprom_map *eeprom_map; uint32_t num_eeprom; uint32_t map_chunks; uint32_t save_size; uint32_t save_mask; uint8_t save_type; uint8_t regions; } rom_info; tern_node *load_rom_db(); rom_info configure_rom(tern_node *rom_db, void *vrom, uint32_t rom_size, memmap_chunk const *base_map, uint32_t base_chunks); rom_info configure_rom_heuristics(uint8_t *rom, uint32_t rom_size, memmap_chunk const *base_map, uint32_t base_chunks); uint8_t translate_region_char(uint8_t c); void eeprom_init(eeprom_state *state); #endif //ROMDB_H_