updating logictools notebooks

fixed image paths

fixed image path

boards/Pynq-Z1/logictools/notebooks/boolean_generator.ipynb

@@ -0,0 +1,215 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Boolean Generator\n",
+    "This notebook will show how to use the boolean generator to generate a boolean combinational function. The function that is implemented is a 2-input XOR."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Step 1: Download the `logictools` overlay"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "from pynq.overlays.logictools import LogicToolsOverlay\n",
+    "from pynq.lib.logictools import BooleanGenerator\n",
+    "\n",
+    "logictools_olay = LogicToolsOverlay('logictools.bit')"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Step 2: Specify the boolean function of a 2-input XOR \n",
+    "The logic is applied to the on-board pushbuttons and LED, pushbuttons **PB0** and **PB3** are set as inputs and LED **LD2** is set as an output"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "function = ['LD2 = PB3 ^ PB0']"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Step 3: Instantiate and setup of the boolean generator object. \n",
+    "The logic function defined in the previous step is setup using the `setup()` method "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "boolean_generator = logictools_olay.boolean_generator\n",
+    "boolean_generator.setup(function)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "__Find the On-board pushbuttons and LEDs__"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "<img src=\"images/BG.png\" width=50%/>"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Step 4: Run the boolean generator verify operation\n",
+    "__Note: Unused on-board LEDs `LD0`, `LD1` and `LD3` are switched ON by default.__"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "boolean_generator.run()"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "#### Verify the operation of the XOR function\n",
+    "\n",
+    "| PB0 | PB3 | LD2 |\n",
+    "|:---:|:---:|:---:|\n",
+    "|  0  |  0  |  0  |\n",
+    "|  0  |  1  |  1  |\n",
+    "|  1  |  0  |  1  |\n",
+    "|  1  |  1  |  0  |"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Step 5: Stop the boolean generator"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "boolean_generator.stop()"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Step 6: Re-run the entire boolean function generation in a single cell\n",
+    "**Note**: The boolean expression format can be `list` or `dict`. We had used a `list` in the example above. We will now use a `dict`.  \n",
+    "<font color=\"DodgerBlue\">**Alternative format:**</font> \n",
+    "```python\n",
+    "function = {'XOR_gate': 'LD2 = PB3 ^ PB0'}\n",
+    "```"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "from pynq.overlays.logictools import LogicToolsOverlay\n",
+    "from pynq.lib.logictools import BooleanGenerator\n",
+    "\n",
+    "logictools_olay = LogicToolsOverlay('logictools.bit')\n",
+    "boolean_generator = logictools_olay.boolean_generator\n",
+    "\n",
+    "function = {'XOR_gate': 'LD2 = PB3 ^ PB0'}\n",
+    "\n",
+    "boolean_generator.setup(function)\n",
+    "boolean_generator.run()"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "__Stop the boolean generator__"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "boolean_generator.stop()"
+   ]
+  }
+ ],
+ "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": "3.6.0"
+  },
+  "widgets": {
+   "application/vnd.jupyter.widget-state+json": {
+    "state": {},
+    "version_major": 1,
+    "version_minor": 0
+   }
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 1
+}