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Code Issues Releases Wiki Activity

readme with sync + async read

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kai-morich 2019-11-16 00:09:41 +01:00
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README.md
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@ -1,3 +1,4 @@
[![Actions Status](https://github.com/mik3y/usb-serial-for-android/workflows/build/badge.svg)](https://github.com/mik3y/usb-serial-for-android/actions)
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@ -52,6 +53,7 @@ to your project's `res/xml/` directory and configure in your `AndroidManifest.xm
**3.** Use it! Example code snippet: **3.** Use it! Example code snippet:
open device:
```java ```java
// Find all available drivers from attached devices. // Find all available drivers from attached devices.
UsbManager manager = (UsbManager) getSystemService(Context.USB_SERVICE); UsbManager manager = (UsbManager) getSystemService(Context.USB_SERVICE);
@ -71,18 +73,25 @@ to your project's `res/xml/` directory and configure in your `AndroidManifest.xm
UsbSerialPort port = driver.getPorts().get(0); // Most devices have just one port (port 0) UsbSerialPort port = driver.getPorts().get(0); // Most devices have just one port (port 0)
port.open(connection); port.open(connection);
port.setParameters(115200, 8, UsbSerialPort.STOPBITS_1, UsbSerialPort.PARITY_NONE); port.setParameters(115200, 8, UsbSerialPort.STOPBITS_1, UsbSerialPort.PARITY_NONE);
```
then use direct read/write
```java
port.write(request, WRITE_WAIT_MILLIS);
len = port.read(response, READ_WAIT_MILLIS);
```
or direct write + event driven read:
```java
usbIoManager = new SerialInputOutputManager(usbSerialPort, this); usbIoManager = new SerialInputOutputManager(usbSerialPort, this);
Executors.newSingleThreadExecutor().submit(usbIoManager); Executors.newSingleThreadExecutor().submit(usbIoManager);
``` ...
```java
port.write("hello".getBytes(), WRITE_WAIT_MILLIS); port.write("hello".getBytes(), WRITE_WAIT_MILLIS);
```
```java
@Override @Override
public void onNewData(byte[] data) { public void onNewData(byte[] data) {
runOnUiThread(() -> { textView.append(new String(data)); }); runOnUiThread(() -> { textView.append(new String(data)); });
} }
``` ```
and finally:
```java ```java
port.close(); port.close();
``` ```