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Update README.md

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Yeo Kheng Meng
2016-10-29 21:15:58 +08:00
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commit 20cf246eda
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README.md
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@@ -102,7 +102,7 @@ Then run `swift build` to download the dependencies and compile your project. Yo
```swift
let serialPort: SerialPort = SerialPort(path: portName)
```
Supply the portname that you wish to open like `/dev/ttyUSB0` or `/dev/tty.usbserial`.
Supply the portname that you wish to open like `/dev/ttyUSB0` or `/dev/cu.usbserial`. For Macs, this library currently only works with the `/dev/cu.*` ports instead of the `/dev/tty.*`. I have enabled blocking on the serial port to prevent high CPU usage which will prevent the `/dev/tty.*` from working. If there is an problem, open an issue describing your situation and let me look into it.
### Opening the Serial Port