Technical Manual

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East Wind Technologies, Inc.

3.8.4 SR176 Card Read

Function: Read data block of SR176 card.

Host sends:

Frame

0x68

StartBlock

BlockNumbers

Checksum

StartBlock: 1 byte.

BlockNumbers: 1 byte; the quantity of blocks to be read.

Success:

Frame

0x68

Data

Checksum

Data: 2 bytes * BlockNumbers, data from the card.

Failure:

Frame

0x97

Checksum

3.8.5 SR176 Card Write

Function: Write into the data block of SR176 card. After wrote, module will read the data to

compare. If not equal, then return failure.

Host sends:

Frame

0x69

StartBlock

BlockNumbers

Data

Checksum

StartBlock: 1 byte.

BlockNumbers: 1 byte; the quantity of blocks to be written.

Data: 2 bytes * BlockNumbers, data to write to the card.

Success:

Frame

0x69

Checksum

Failure:

Frame

0x96

Checksum

3.8.6 SR176 Block Lock

Function: Write Lock Register of SR176 card. The module will check the lock result after

wrote.

Host sends:

Frame

0x6A

LOCK_REG

Checksum

LOCK_REG: 1byte, the lock register values to be written.

Success:

Frame

0x6A

Checksum

Failure:

Frame

0x95

Checksum