Mif.ChangeValueBackup
This command is identical to Mif.ChangeValue, but can only be used for MIFARE cards which support automatic transfer, such as Pro or Light MIFARE variants.
This command is not supported by LEGIC readers.
Properties
- Command code: 0x1009
- Command timeout: 100 ms
- Possible status codes: General status codes
Parameters (request frame)
| Name | Type/Size | Description |
|---|---|---|
| Mode | Integer (8 bits) | Access mode. Possible values, 0x00: decrement, 0x01: increment, 0x02: restore/load. |
| Block | Integer (8 bits) | Block to load data from (only value blocks are supported). |
| Value | Integer (32 bits) | Value to add/subtract. This parameter is ignored when Mode = 0x02. |
Returned values (response frame)
None