update close dev

2017-08-16 22:24:04 +08:00 · 2017-08-16 22:24:04 +08:00 · 1df34c0946
commit 1df34c0946
parent 49037058b4
1 changed files with 8 additions and 2 deletions
--- a/gdata-characteristic.js
+++ b/gdata-characteristic.js
@ -74,8 +74,14 @@ function printString(str){
  printer.cut(true, 8)
 }

-process.on('SIGINT', ()=>{
-	device.close()
+process.on('SIGINT', async ()=>{
+	await new Promise((resolve, reject) => {
+			device.close(()=>{
+				console.log('serial device close')
+				resolve(null)
+			})
+		})
+	process.exit(0)
 })

 module.exports = DataCharacteristic