Yoctopuce Yocto-I2C Mode D'emploi page 114

14. Utilisation du Yocto-I2C avec Android
YI2cPort
while
String
aa.add(hwid);
s
}
} catch (YAPI_Exception
e.printStackTrace();
}
aa.notifyDataSetChanged();
handler.postDelayed(r,
}
@Override
protected void
{
super.onStop();
handler.removeCallbacks(r);
YAPI.FreeAPI();
}
@Override
public void onItemSelected(AdapterView<?>
{
String hwid
_i2cPort = YI2cPort.FindI2cPort(hwid);
try {
// sample code reading MCP9804 temperature sensor
_i2cPort.set_i2cMode("400kbps");
_i2cPort.set_i2cVoltageLevel(YI2cPort.I2CVOLTAGELEVEL_3V3);
_i2cPort.reset();
} catch (YAPI_Exception
e.printStackTrace();
}
}
@Override
public void onNothingSelected(AdapterView<?> arg0)
{
}
final Runnable
{
public void
{
if (_i2cPort
try {
} catch
}
}
handler.postDelayed(this,
}
};
}
106
s = YI2cPort.FirstI2cPort();
(s != null) {
hwid = s.get_hardwareId();
= s.nextI2cPort();
e) {
500);
onStop()
= (String) parent.getItemAtPosition(pos);
e) {
r = new Runnable()
run()
!= null) {
ArrayList<Integer>
ArrayList<Integer> received;
toSend.add(0x05);
received = _i2cPort.i2cSendAndReceiveArray(0x1f, toSend,
int tempReg = (received.get(0) << 8) + received.get(1);
if ((tempReg & 0x1000) != 0) {
tempReg -= 0x2000;
} else {
tempReg &= 0x0fff;
}
TextView view = (TextView) findViewById(R.id.tempfield);
view.setText(String.format(Locale.US, "%.3f", tempReg
(YAPI_Exception
e.printStackTrace();
1000);
parent, View view,
toSend = new ArrayList<>(1);
// perform sign extension
// clear status bits
e) {
int pos, long id)
2);
/ 16.0));
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