37 lines
1.0 KiB
C
37 lines
1.0 KiB
C
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#ifndef _FLASH_N25Q_H_
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#define _FLASH_N25Q_H_
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#include <stdint.h>
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#define N25Q_PAGE_SIZE 256
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#define N25Q_PAGE_TO_ADDR(page) (page << 8)
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#define N25Q_SUBSECTOR_TO_ADDR(subsector) (subsector << 12)
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#define N25Q_SECTOR_TO_ADDR(sector) (sector << 16)
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#define WRITE_STATUS_REG_CMD 0x01
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#define PAGE_PROGRAM_CMD 0x02
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#define READ_CMD 0x03
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#define WRITE_DISABLE_CMD 0x04
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#define READ_STATUS_REG_CMD 0x05
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#define WRITE_ENABLE_CMD 0x06
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#define SUBSECTOR_ERASE_CMD 0x20
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#define CLEAR_FLAG_STATUS_REG_CMD 0x50
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#define READ_FLAG_STATUS_REG_CMD 0x70
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#define BULK_ERASE_CMD 0xC7
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#define SECTOR_ERASE_CMD 0xD8
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#define WRITE_LOCK_REG_CMD 0xE5
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#define READ_LOCK_REG_CMD 0xE8
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#define READ_ID_CMD 0x9F
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void n25q_init();
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void n25q_read_id(uint8_t data[], uint8_t len);
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void n25q_read_data(uint8_t data[], uint32_t len, uint32_t addr);
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void n25q_subsector_erase(uint32_t subsector);
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void n25q_sector_erase(uint32_t sector);
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void n25q_page_program(uint8_t data[], uint32_t len, uint32_t page);
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#endif
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