diff options
| -rw-r--r-- | taler-nfc-guide.rst | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/taler-nfc-guide.rst b/taler-nfc-guide.rst index 4fdbd3aa..e9a1296d 100644 --- a/taler-nfc-guide.rst +++ b/taler-nfc-guide.rst @@ -139,7 +139,7 @@ are used: - Accept the UTF-8 encoded JSON object in the remainder of the command data as a request tunneling response. -The ``GET DATA (=0xCA)`` instruction (again with the instruction parameters ``0x0100`` is used to request +The ``GET DATA (=0xCA)`` instruction (again with the instruction parameters ``0x0100``) is used to request a command from the wallet. The APDU with this instruction must be sent with a ``0x0000`` trailer to indicate that up to 65536 bytes of data are expected in the response from the wallet. Note that the wallet itself cannot initiate communication, and thus the reader must "poll" the wallet for commands. |