EarthLCD ezLCD-405, Руководство пользователя

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e z L C D -­‐ 4 0 5 | 132
Rev.
© 2016 Earth Computers Tech. Inc.
1.7.50 SD_RAW_WRITE
Description: Writes the data on SD starting from the specified SD address. SD is treated as a
memory with the starting address 0.
Code: 7F hex, 127 dec
7 6 5 4 3 2 1 0
Byte 0: Command
1 0 1 0 0 1 0 1 Byte 1: Password ( A5 hex, 165 dec)
Byte 2: Address 0 (LSB)
Byte 3: Address 1
Byte 4: Address 2
Byte 5: Address 3 (MSB)
Byte 6: Number of Bytes to Write (LSB)
Byte 7: Number of Bytes to Write
Byte 8: Number of Bytes to Write
Byte 9: Number of Bytes to Write (LSB)
Byte 10: Data Byte 0
Byte 11: Data Byte 1
Byte n+1: Data Byte n
n = Number of Bytes to Write -­‐ 1
Warning! This command performs raw write on SD. Use it with caution. It may overwrite the
existing SD files or corrupt the SD file formatting.
See Also: SD_RAW_READ
SD_RAW_WRITE
Data Byte n
Address 1
Address 3
Data Byte 1
Address 0
Address 2
Number of Bytes to Write 0
Number of Bytes to Write 1
Number of Bytes to Write 2
Number of Bytes to Write 3
Data Byte 0
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