Allow keep trying if SCard service is unavailable

This commit is contained in:
Martin Endler
2017-01-26 19:10:48 +01:00
parent 848da7b1f1
commit 11f939ff32
2 changed files with 20 additions and 8 deletions

View File

@@ -10,17 +10,24 @@ inherits(CardReader, EventEmitter);
function parseReadersString(buffer) {
const string = buffer.toString().slice(0, -1);
try {
// it looks like
// ACS ACR122U PICC Interface\u0000ACS ACR122U PICC Interface 01\u0000\u0000
// [reader_name]\u0000[reader_name]\u0000\u0000
// ^separator ^separator^end_separator
const string = buffer.toString().slice(0, -1);
// returns readers in array
// like [ 'ACS ACR122U PICC Interface', 'ACS ACR122U PICC Interface 01' ]
// it looks like
// ACS ACR122U PICC Interface\u0000ACS ACR122U PICC Interface 01\u0000\u0000
// [reader_name]\u0000[reader_name]\u0000\u0000
// ^separator ^separator^end_separator
return string.split('\u0000').slice(0, -1);
// returns readers in array
// like [ 'ACS ACR122U PICC Interface', 'ACS ACR122U PICC Interface 01' ]
return string.split('\u0000').slice(0, -1);
}
catch (e) {
return [];
}
}