Update example code in README to reflect examples/example.js

This commit is contained in:
Martin Endler
2018-12-20 04:14:02 +01:00
parent d46118f079
commit b00c0afa3a

119
README.md
View File

@@ -68,57 +68,86 @@ const pcsclite = require('pcsclite');
const pcsc = pcsclite(); const pcsc = pcsclite();
pcsc.on('reader', function(reader) { pcsc.on('reader', (reader) => {
console.log('New reader detected', reader.name); console.log('New reader detected', reader.name);
reader.on('error', function(err) { reader.on('error', err => {
console.log('Error(', this.name, '):', err.message); console.log('Error(', reader.name, '):', err.message);
}); });
reader.on('status', function(status) { reader.on('status', (status) => {
console.log('Status(', this.name, '):', status);
/* check what has changed */ console.log('Status(', reader.name, '):', status);
const changes = this.state ^ status.state;
if (changes) { // check what has changed
if ((changes & this.SCARD_STATE_EMPTY) && (status.state & this.SCARD_STATE_EMPTY)) { const changes = reader.state ^ status.state;
console.log("card removed");/* card removed */
reader.disconnect(reader.SCARD_LEAVE_CARD, function(err) { if (!changes) {
if (err) { return;
console.log(err); }
} else {
console.log('Disconnected'); if ((changes & reader.SCARD_STATE_EMPTY) && (status.state & reader.SCARD_STATE_EMPTY)) {
}
}); console.log("card removed");
} else if ((changes & this.SCARD_STATE_PRESENT) && (status.state & this.SCARD_STATE_PRESENT)) {
console.log("card inserted");/* card inserted */ reader.disconnect(reader.SCARD_LEAVE_CARD, err => {
reader.connect({ share_mode : this.SCARD_SHARE_SHARED }, function(err, protocol) {
if (err) { if (err) {
console.log(err); console.log(err);
} else { return;
console.log('Protocol(', reader.name, '):', protocol); }
reader.transmit(new Buffer([0x00, 0xB0, 0x00, 0x00, 0x20]), 40, protocol, function(err, data) {
if (err) { console.log('Disconnected');
console.log(err);
} else { });
console.log('Data received', data);
reader.close(); return;
pcsc.close();
} }
});
} if ((changes & reader.SCARD_STATE_EMPTY) && (status.state & reader.SCARD_STATE_EMPTY)) {
});
} console.log("card inserted");
}
}); reader.connect({ share_mode: reader.SCARD_SHARE_SHARED }, (err, protocol) => {
if (err) {
console.log(err);
return;
}
console.log('Protocol(', reader.name, '):', protocol);
reader.transmit(Buffer.from([0x00, 0xB0, 0x00, 0x00, 0x20]), 40, protocol, (err, data) => {
if (err) {
console.log(err);
return;
}
console.log('Data received', data);
reader.close();
pcsc.close();
});
});
// noinspection UnnecessaryReturnStatementJS
return;
}
});
reader.on('end', () => {
console.log('Reader', reader.name, 'removed');
});
reader.on('end', function() {
console.log('Reader', this.name, 'removed');
});
}); });
pcsc.on('error', function(err) { pcsc.on('error', err => {
console.log('PCSC error', err.message); console.log('PCSC error', err.message);
}); });
``` ```