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node-pcsclite/examples/example.js
Martin Endler 89aa567f4e Update README
2017-01-26 19:46:37 +01:00

62 lines
1.6 KiB
JavaScript
Executable File

"use strict";
const pcsclite = require('../lib/pcsclite');
const pcsc = pcsclite();
pcsc.on('reader', function (reader) {
console.log('New reader detected', reader.name);
reader.on('error', function (err) {
console.log('Error(', this.name, '):', err.message);
});
reader.on('status', function (status) {
console.log('Status(', this.name, '):', status);
/* check what has changed */
const changes = this.state ^ status.state;
if (changes) {
if ((changes & this.SCARD_STATE_EMPTY) && (status.state & this.SCARD_STATE_EMPTY)) {
console.log("card removed");
/* card removed */
reader.disconnect(reader.SCARD_LEAVE_CARD, function (err) {
if (err) {
console.log(err);
} else {
console.log('Disconnected');
}
});
} else if ((changes & this.SCARD_STATE_PRESENT) && (status.state & this.SCARD_STATE_PRESENT)) {
console.log("card inserted");
/* card inserted */
reader.connect({ share_mode: this.SCARD_SHARE_SHARED }, function (err, protocol) {
if (err) {
console.log(err);
} else {
console.log('Protocol(', reader.name, '):', protocol);
reader.transmit(new Buffer([0x00, 0xB0, 0x00, 0x00, 0x20]), 40, protocol, function (err, data) {
if (err) {
console.log(err);
} else {
console.log('Data received', data);
reader.close();
pcsc.close();
}
});
}
});
}
}
});
reader.on('end', function () {
console.log('Reader', this.name, 'removed');
});
});
pcsc.on('error', function (err) {
console.log('PCSC error', err.message);
});