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src: improve SCardConnect interface

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- We can optionally pass the share_mode and preferred_protocol options. They are
  optional to keep backwards compatibility.
- Update README
- Define constants in C++ land.
This commit is contained in:
Santiago Gimeno
2014-07-29 12:15:32 +02:00
parent c5d09f8b19
commit 279bc112ce
4 changed files with 92 additions and 27 deletions
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15
README.md
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@@ -108,25 +108,28 @@ Emitted when the card reader has been removed.
#### Event: 'status'
* *status* `Object`.
* *state* The current status of the card reader as returned by `SCardGetStatusChange`
* *state* The current status of the card reader as returned by `[SCardGetStatusChange](http://pcsclite.alioth.debian.org/pcsc-lite/node20.html)`
* *atr* ATR of the card inserted (if any)
Emitted whenever the status of the reader changes.
#### reader.connect(callback)
#### reader.connect([options], callback)
* *options* `Object` Optional
* *share_mode* `Number` Shared mode. Defaults to `SCARD_SHARE_EXCLUSIVE`
* *protocol* `Number` Preferred protocol. Defaults to `SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1`
* *callback* `Function` called when connection operation ends
* *error* `Error`
* *protocol* `Number` Established protocol to this connection.
Wrapper around `SCardConnect`. Establishes a connection to the reader.
Wrapper around `[SCardConnect](http://pcsclite.alioth.debian.org/pcsc-lite/node12.html)`. Establishes a connection to the reader.
#### reader.disconnect(callback)
* *callback* `Function` called when disconnection operation ends
* *error* `Error`
Wrapper around `SCardDisconnect`. Terminates a connection to the reader.
Wrapper around `[SCardDisconnect](http://pcsclite.alioth.debian.org/pcsc-lite/node14.html)`. Terminates a connection to the reader.
#### reader.transmit(input, res_len, protocol, callback)
@@ -137,7 +140,7 @@ Wrapper around `SCardDisconnect`. Terminates a connection to the reader.
* *error* `Error`
* *output* `Buffer`
Wrapper around `SCardTransmit`. Sends an APDU to the smart card contained in the reader connected to.
Wrapper around `[SCardTransmit](http://pcsclite.alioth.debian.org/pcsc-lite/node17.html)`. Sends an APDU to the smart card contained in the reader connected to.
#### reader.control(input, control_code, res_len, callback)
@@ -148,4 +151,4 @@ Wrapper around `SCardTransmit`. Sends an APDU to the smart card contained in the
* *error* `Error`
* *output* `Buffer`
Wrapper around `SCardControl`. Sends a command directly to the IFD Handler (reader driver) to be processed by the reader.
Wrapper around `[SCardControl](http://pcsclite.alioth.debian.org/pcsc-lite/node18.html)`. Sends a command directly to the IFD Handler (reader driver) to be processed by the reader.