27 lines
1.3 KiB
C
27 lines
1.3 KiB
C
#ifndef SPI_FLASH_H_INCLUDED
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#define SPI_FLASH_H_INCLUDED
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/*
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user for AT45DB161.
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copy form : http://www.ourdev.cn/bbs/bbs_content.jsp?bbs_sn=737106
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thanks to gxlujd.
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*/
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#define AT45DB_BUFFER_1_WRITE 0x84 /* 写入第一缓冲区 */
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#define AT45DB_BUFFER_2_WRITE 0x87 /* 写入第二缓冲区 */
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#define AT45DB_BUFFER_1_READ 0xD4 /* 读取第一缓冲区 */
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#define AT45DB_BUFFER_2_READ 0xD6 /* 读取第二缓冲区 */
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#define AT45DB_B1_TO_MM_PAGE_PROG_WITH_ERASE 0x83 /* 将第一缓冲区的数据写入主存储器（擦除模式）*/
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#define AT45DB_B2_TO_MM_PAGE_PROG_WITH_ERASE 0x86 /* 将第二缓冲区的数据写入主存储器（擦除模式）*/
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#define AT45DB_MM_PAGE_TO_B1_XFER 0x53 /* 将主存储器的指定页数据加载到第一缓冲区 */
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#define AT45DB_MM_PAGE_TO_B2_XFER 0x55 /* 将主存储器的指定页数据加载到第二缓冲区 */
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#define AT45DB_PAGE_ERASE 0x81 /* 页删除（每页512/528字节） */
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#define AT45DB_SECTOR_ERASE 0x7C /* 扇区擦除（每扇区128K字节）*/
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#define AT45DB_READ_STATE_REGISTER 0xD7 /* 读取状态寄存器 */
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#define AT45DB_MM_PAGE_READ 0xD2 /* 读取主储存器的指定页 */
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#define AT45DB_MM_PAGE_PROG_THRU_BUFFER1 0x82 /* 通过缓冲区写入主储存器 */
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extern void rt_hw_spi_flash_init(void);
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#endif /* SPI_FLASH_H_INCLUDED */
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