Commit ad5e30b7 by Kuldeep Singh Dhaka

### Tutorial on using multiple channel of AOUT simultaneously

parent f613a899
 { "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# Using Multiple channels of AOUT simultaneously\n", "\n", "In the example, we are going to output a square waveform on CH0 and complement of it on CH1. (2 Channels) \n", "The frequency of the square waveform will be 783 \$Hz\$." ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": true }, "outputs": [], "source": [ "import box0\n", "import numpy as np\n", "import time\n", "\n", "# Get all the resources\n", "dev = box0.usb.open_supported()\n", "aout = dev.aout()\n", "\n", "# Prepare for static mode\n", "aout.static_prepare()\n", "aout.speed.current = 783 * 2 # 783KS/s per channel\n", "aout.chan_seq.current = [0, 1]\n", "\n", "# we are going to use both channel at once.\n", "# in that case, the sampling frequency become half since the resource are shared\n", "# replace \"1\" with the voltage you want.\n", "y = np.array([0,1, 1,0], dtype=np.float) # (square wave) when CH0 and CH1 are complement\n", "aout.static_start(y)\n", "\n", "# wait for the user to ask for exit\n", "try:\n", " while True:\n", " time.sleep(0.1)\n", "except KeyboardInterrupt:\n", " pass\n", "\n", "# Return all the resources\n", "aout.static_stop()\n", "aout.close()\n", "dev.close()" ] } ], "metadata": { "kernelspec": { "display_name": "Python 3", "language": "python", "name": "python3" }, "language_info": { "codemirror_mode": { "name": "ipython", "version": 3 }, "file_extension": ".py", "mimetype": "text/x-python", "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", "version": "3.5.2" } }, "nbformat": 4, "nbformat_minor": 0 }
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