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update close dev

This commit is contained in:
Jay 2017-08-16 22:24:04 +08:00
parent 49037058b4
commit 1df34c0946
1 changed files with 8 additions and 2 deletions
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10
gdata-characteristic.js
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@ -74,8 +74,14 @@ function printString(str){
printer.cut(true, 8) printer.cut(true, 8)
} }
process.on('SIGINT', ()=>{ process.on('SIGINT', async ()=>{
device.close() await new Promise((resolve, reject) => {
device.close(()=>{
console.log('serial device close')
resolve(null)
})
})
process.exit(0)
}) })
module.exports = DataCharacteristic module.exports = DataCharacteristic