Mif.Request
This command has been deprecated. Do not use it in new code as we may remove it in the future.
Request labels in the field of the antenna.
ATQA is a two byte value (MSB first). This value is called tagtype and for MIFARE 1 CSCs, it is expected to be equal to 0x0004.
For new applications, the Iso14a.Request command should be used instead.
Properties
- Command code: 0x1001
- Command timeout: 100 ms
- Possible status codes: General status codes, Mif.ErrNoTag, Mif.ErrBitcount, Mif.ErrBytecount, Mif.ErrColl, Mif.ErrParity, Mif.ErrFraming
Parameters (request frame)
| Name | Type/Size | Description | |
|---|---|---|---|
| - | Bit mask (8 bits) | - | |
| RFU | Integer (bit mask area 0xFE) |
Zero padding |
|
| ReqAll | Integer (bit 0x01) | If set, all cards (even those in halt state) will be requested. Otherwise, only cards in idle state will be requested. | |
Returned values (response frame)
| Name | Type/Size | Description |
|---|---|---|
| ATQA | Integer (16 bits) | Answer to request. |