PCSC Operation APDU Interpreter Vendor instructions HCE CONTROL HCE
April 13, 2023 at 2:39 AMCONTROL HCE sub instruction
This command controls the behaviour of the NFC interface when running in Listener mode, with Host-based Card Emulation (HCE) enabled.
See SCardControl NFC_LISTENER instruction on how-to enable HCE.
Command format
| Field | Value | Remark |
|---|---|---|
| CLA | FF |
|
| INS | F7 |
HCE instruction |
| P1 | 02 |
CONTROL HCE sub instruction |
| P2 | Start / stop sub command | See table below |
| Lc | Absent | |
| DataIn | Absent | |
| Le | 00 |
Sub command selection
| P1 | P2 | Function | Remark |
|---|---|---|---|
00 |
00 |
Stop HCE | Suspend card emulation temporarily (but stays in NFC Listener mode) See SCardControl NFC_POLLER instruction on how-to resume Poller (reader) mode |
01 |
00 |
Start HCE | Enable card emulation |
Response
| Field | Value | Remark |
|---|---|---|
| SW | 9000 on success |
Other values are documented in Status Words |