Mif.Request
This command is 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. |