streamConfig _txConfig = {
    .bandwidthHz = MHZ(0.200),
    .samplingRateHz = sampleRate,
    .loFrequencyHz = localOscillatorFrequency,
    .rfPortName = "A",
    .gains = {gains.tx1Db, gains.tx2Db},
    .gainControlMode = "manual",
};

void initTransmitPath(streamConfig& config, int id)
{
    bool cyclic = true;

    PLOGI << "Acquiring AD9361 TX streaming devices";
    getAD9361StreamingDevice(_ctx, TX, &_tx, id);

    PLOGI << "Configuring AD9361 TX for streaming";
    configureAD9361StreamingChannel(_ctx, &config, TX, 0, id);

    PLOGI << "Initializing AD9361 IIO streaming channels";
	getAD9361StreamingChannel(_ctx, TX, _tx, 0, &_tx0_i);
	getAD9361StreamingChannel(_ctx, TX, _tx, 1, &_tx0_q);

	iio_channel_enable(_tx0_i);
	iio_channel_enable(_tx0_q);

    _txbuf = iio_device_create_buffer(_tx, _bufferSize, cyclic);
    if (!_txbuf) {
        PLOGE << "Could not create TX buffer: " << strerror(errno);
        processStop();
    }
}

void setLoFrequency(enum iodev direction, int64_t f)
{    
    struct iio_channel *chn = NULL;
    getLOChannel(_ctx, direction, &chn, _id);
    writeLLIntValToChannel(chn, "frequency", f);
}