AXI UARTLITE TEST.ipynb

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 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# AXI UART usecase"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Block Diagram"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "![Figure 1. Block Diagram](img/block.png)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Pinout"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "PMOD A: 1:RX, 2:TX. baud 9600"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Import Libraries"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "application/javascript": [
       "\n",
       "require(['notebook/js/codecell'], function(codecell) {\n",
       "  codecell.CodeCell.options_default.highlight_modes[\n",
       "      'magic_text/x-csrc'] = {'reg':[/^%%microblaze/]};\n",
       "  Jupyter.notebook.events.one('kernel_ready.Kernel', function(){\n",
       "      Jupyter.notebook.get_cells().map(function(cell){\n",
       "          if (cell.cell_type == 'code'){ cell.auto_highlight(); } }) ;\n",
       "  });\n",
       "});\n"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "from pynq import MMIO\n",
    "from pynq import Overlay\n",
    "\n",
    "import sys\n",
    "sys.path.insert(1, './src')\n",
    "from uartlite import *"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Download bitstream"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "ol = Overlay(\"./bits/uartlitetest.bit\")\n",
    "ol.download()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Initialize AXI UART"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Address of the ip core\n",
    "ADDRESS = 0x42c00000  \n",
    "uart = UartAXI(ADDRESS)\n",
    "\n",
    "# Setup AXI UART register\n",
    "uart.setupCtrlReg()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "heldsklfjs\n",
      "\n"
     ]
    }
   ],
   "source": [
    "# Loopback test\n",
    "uart.write('heldsklfjs\\n')\n",
    "print(uart.readLine())"
   ]
  }
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