matlab bindings: added a basic AD9361 example without buffer capture …

…functionality

Signed-off-by: Pagadarai <[email protected]>

bindings/matlab/examples/ad9361_iiostream.m

@@ -0,0 +1,69 @@
+clear;
+
+uri = 'ip:pluto.local';
+
+% Rx stream config
+RxCfg.BWHz = 2e6;
+RxCfg.FsHz = 2.5e6;
+RxCfg.LOHz = 2.5e9;
+RxCfg.RFPort = 'A_BALANCED';
+
+% Tx stream config
+TxCfg.BWHz = 1.5e6;
+TxCfg.FsHz = 2.5e6;
+TxCfg.LOHz = 2.5e9;
+TxCfg.RFPort = 'A';
+
+fprintf("* Acquiring IIO context\n");
+iioCtxParams = libpointer;
+iioCtx = adi.libiio.context.iio_create_context(iioCtxParams, uri);
+count = adi.libiio.context.iio_context_get_devices_count(iioCtx);
+
+fprintf("* Acquiring AD9361 streaming devices\n");
+iioDevTx = adi.libiio.context.iio_context_find_device(iioCtx, 'cf-ad9361-dds-core-lpc');
+iioDevRx = adi.libiio.context.iio_context_find_device(iioCtx, 'cf-ad9361-lpc');
+
+fprintf("* Configuring AD9361 for streaming\n");
+fprintf("* Acquiring AD9361 phy channel 0\n");
+ad9361PhyDev = adi.libiio.context.iio_context_find_device(iioCtx, 'ad9361-phy');
+ad9361RxChn = adi.libiio.device.iio_device_find_channel(ad9361PhyDev, 'voltage0', false);
+ad9361TxChn = adi.libiio.device.iio_device_find_channel(ad9361PhyDev, 'voltage0', true);
+
+%% Rx
+rfPortSelectAttrRx = adi.libiio.channel.iio_channel_find_attr(ad9361RxChn, 'rf_port_select');
+status = adi.libiio.attribute.iio_attr_write_string(rfPortSelectAttrRx, RxCfg.RFPort);
+assert(status==numel(RxCfg.RFPort)+1);
+
+rfBWAttrRx = adi.libiio.channel.iio_channel_find_attr(ad9361RxChn, 'rf_bandwidth');
+status = adi.libiio.attribute.iio_attr_write_longlong(rfBWAttrRx, RxCfg.BWHz);
+assert(status==0);
+fsAttrRx = adi.libiio.channel.iio_channel_find_attr(ad9361RxChn, 'sampling_frequency');
+status = adi.libiio.attribute.iio_attr_write_longlong(fsAttrRx, RxCfg.FsHz);
+assert(status==0);
+
+% Configure LO channel
+fprintf("* Acquiring AD9361 Rx lo channel\n")
+ad9361RxLOChn = adi.libiio.device.iio_device_find_channel(ad9361PhyDev, 'altvoltage0', true);
+loRx = adi.libiio.channel.iio_channel_find_attr(ad9361RxLOChn, 'frequency');
+status = adi.libiio.attribute.iio_attr_write_longlong(loRx, RxCfg.LOHz);
+assert(status==0);
+
+%% Tx
+rfPortSelectAttrTx = adi.libiio.channel.iio_channel_find_attr(ad9361TxChn, 'rf_port_select');
+status = adi.libiio.attribute.iio_attr_write_string(rfPortSelectAttrTx, TxCfg.RFPort);
+assert(status==numel(TxCfg.RFPort)+1);
+
+rfBWAttrTx = adi.libiio.channel.iio_channel_find_attr(ad9361TxChn, 'rf_bandwidth');
+status = adi.libiio.attribute.iio_attr_write_longlong(rfBWAttrTx, TxCfg.BWHz);
+assert(status==0);
+fsAttrTx = adi.libiio.channel.iio_channel_find_attr(ad9361TxChn, 'sampling_frequency');
+status = adi.libiio.attribute.iio_attr_write_longlong(fsAttrTx, TxCfg.FsHz);
+assert(status==0);
+
+% Configure LO channel
+fprintf("* Acquiring AD9361 Tx lo channel\n")
+ad9361TxLOChn = adi.libiio.device.iio_device_find_channel(ad9361PhyDev, 'altvoltage1', true);
+loTx = adi.libiio.channel.iio_channel_find_attr(ad9361TxLOChn, 'frequency');
+status = adi.libiio.attribute.iio_attr_write_longlong(loTx, TxCfg.LOHz);
+assert(status==0);
+% unloadlibrary('libiio1');