lasp/examples/test_ppm.ipynb

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  {
   "cell_type": "markdown",
   "id": "740b4091",
   "metadata": {},
   "source": [
    "# Test PPM"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "ac06df04",
   "metadata": {},
   "outputs": [],
   "source": [
    "#!make -j -C ~/wip/mycode/lasp"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "ce0dd691",
   "metadata": {},
   "outputs": [],
   "source": [
    "import lasp\n",
    "# Get handle to stream manager\n",
    "mgr = lasp.StreamMgr.getInstance()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "3cd242a8",
   "metadata": {},
   "outputs": [],
   "source": [
    "ds = mgr.getDeviceInfo()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "a5d878e9",
   "metadata": {},
   "outputs": [],
   "source": [
    "# Search for a device\n",
    "for i, d in enumerate(ds):\n",
    "    print(f'{i}: ' + d.device_name)\n",
    "d = ds[0]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "6d5b281e",
   "metadata": {},
   "outputs": [],
   "source": [
    "# Create a configuration and enable some input channels\n",
    "config = lasp.DaqConfiguration(d)\n",
    "config.inchannel_config[0].enabled = True\n",
    "config.inchannel_config[1].enabled = True\n",
    "# Choose a different number of frames per block\n",
    "config.framesPerBlockIndex = 4"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "1ead3995",
   "metadata": {},
   "outputs": [],
   "source": [
    "print('Out channels:',d.noutchannels)\n",
    "print('In channels:',d.ninchannels)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "12db8306",
   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "# Start a stream with a configuration\n",
    "mgr.startStream(config)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "5323356f-4239-4f0b-ad58-0025501bf7a3",
   "metadata": {},
   "outputs": [],
   "source": [
    "ppm = lasp.PPMHandler(mgr)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "4d9f0103",
   "metadata": {},
   "outputs": [],
   "source": [
    "daq = mgr.getDaq(lasp.StreamMgr.StreamType.input)\n",
    "print(daq)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "26277ef0-3389-4581-9cc5-2c500e789dfa",
   "metadata": {},
   "outputs": [],
   "source": [
    "ppm.start()\n",
    "import time\n",
    "t=0\n",
    "while t < 1:\n",
    "    time.sleep(0.1)\n",
    "    t += 0.1\n",
    "    level, clip = ppm.getCurrentValue()\n",
    "    print(f'\\r {levels[0]:.1f}')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "30b77ce0-40ee-4b88-89fa-83b7a62e493c",
   "metadata": {},
   "outputs": [],
   "source": [
    "mgr.stopAllStreams()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "78cc8353-0e0b-4d96-a263-f4ad3fe4ee4c",
   "metadata": {},
   "outputs": [],
   "source": []
  }
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