lt19.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Simulator erzeugen"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import flipdotsim\n",
    "\n",
    "fdd = flipdotsim.FlipDotSim(width=10, height=10, fps=30)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Pixel setzen..."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "fdd.px(0, 0, True)\n",
    "fdd.px(1, 1, True)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "... und anzeigen"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "fdd.show()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "fdd.close()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Plasma-Demo\n",
    "\n",
    "Quelle: https://www.bidouille.org/prog/plasma\n",
    "\n",
    "![plasma](ressources/lt19/plasma.png)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "fdd = flipdotsim.FlipDotSim(width=20, height=20)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from math import sin, cos\n",
    "\n",
    "def handle_px(x, y, t):\n",
    "    v = sin(1*(0.5*x*sin(t/2) +\n",
    "               0.5*y*cos(t/3)) + t)\n",
    "\n",
    "    return v > 0"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import time\n",
    "\n",
    "def draw_frame(disp):\n",
    "    t = time.time()\n",
    "    for x in range(disp.width):\n",
    "        for y in range(disp.height):\n",
    "            px_on = handle_px(x, y, t)\n",
    "            disp.px(x, y, px_on)\n",
    "\n",
    "    disp.show()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "draw_frame(fdd)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "for i in range(100):\n",
    "    draw_frame(fdd)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "fdd.close()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Beschränkungen\n",
    "\n",
    "* Framerate\n",
    "* Farbtiefe ~1,5 Bit\n",
    "* Pixelträgheit\n",
    "* \"Pixelfäulnis\""
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Remote Display"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "! nc --help"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "! echo size | nc taylorpi.local 10101"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "! echo 11001011 | nc taylorpi.local 10101"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Ansteuerung mit Python"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Remote Display"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import net  # from flipflapflop\n",
    "\n",
    "fdd = net.RemoteDisplay(\n",
    "    host='taylorpi.local', \n",
    "    width=126, height=16)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Lokales Display (Simulator)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import net  # from flipflapflop\n",
    "\n",
    "fdd = net.RemoteDisplay(\n",
    "    host='localhost',\n",
    "    width=28, height=13)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "draw_frame(fdd)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import time\n",
    "\n",
    "for i in range(50):\n",
    "    draw_frame(fdd)\n",
    "    time.sleep(0.1)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Dokumentation, Quellen\n",
    "\n",
    "* https://github.com/tbs1-bo/flipflapflop\n",
    "\n",
    "* https://tbs1-bo.github.io/flipflapflop"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Selber hacken\n",
    "\n",
    "* Mit Access Point `flipflapflop` verbinden (Passwort `polfpalfpilf`)\n",
    "* Host: `taylorpi.local`\n",
    "* Port: 10101"
   ]
  }
 ],
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