b-pos-light

Example

const port = '/dev/ttyACM0';

const merchant_id = '1111111';

const terminal = new Bpos(port, merchant_id);

// Purchase

const sum = 100;

terminal.purchase(sum).then( result => { console.log(result); }, error => { console.log(error); } );

// Cancel card waiting

terminal.cancelCardWaiting();

// Cancel

terminal.cancel(sum).then( result => { console.log(result); }, error => { console.log(error); } );

// Z-report

terminal.settlement().then( result => { console.log(result); }, error => { console.log(error); } );