emg_test.ipynb

{
 "cells": [
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   "source": [
    "from time import sleep\n",
    "import serial\n",
    "\n",
    "#Global settings\n",
    "channel_num = 4 #number of channels\n",
    "sample_num = 20480 #number of samples taken per readSamples() #band 512 #myo200 2048 #myo2000 20480\n",
    "measure_num = 16\n",
    "sampling_freq = 2000 #sampling rate used in calculating FFT #band ,myo200 200\n",
    "\n",
    "#Three key gestures required for basic hand control\n",
    "gestures = ('fist','rest','spread')\n",
    "\n",
    "#for fairness, bin frequency range should remain constant between datasets.\n",
    "print('Frequency range of each bin: %fHz'%(sampling_freq/fft_batch))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {
    "collapsed": false,
    "jupyter": {
     "outputs_hidden": false
    }
   },
   "outputs": [],
   "source": [
    "#reads samples from serial channel, expects it to be sent as purely tab-deliminated\n",
    "def readSamples(filename,socket=serial,chnum=channel_num,snum=sample_num):\n",
    "    with open('%s.csv'%filename,'a') as f:\n",
    "        #Title row of csv\n",
    "        #f.write('\\t'.join(('CH%d'%x for x in range(chnum))))\n",
    "        #f.write('\\r\\n')\n",
    "        iters = 0\n",
    "        socket.reset_input_buffer()\n",
    "        while iters < snum:\n",
    "            inp = socket.read_until()\n",
    "            try:\n",
    "                out = inp.decode('utf8')\n",
    "                if out[0].isdigit():\n",
    "                    f.write(out)\n",
    "                    iters += 1\n",
    "                    if iters % int(snum/4) == 0: print(\"%d samples\"%iters)\n",
    "                else:\n",
    "                    print(\"INFO: %s\"%out)\n",
    "            except:\n",
    "                pass\n",
    "        print(\"DONE!\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [],
   "source": [
    "#TODO take turns between gestures rather than all at one go (modify readSamples to append?)\n",
    "def getTrainingData(user='test',tests=gestures):\n",
    "    with serial.Serial('COM3',2000000) as s:\n",
    "        for i in range(measure_num):\n",
    "            print(i)\n",
    "            for g in gestures:\n",
    "                print(\"Do %s till 'DONE!'\"%g)\n",
    "                sleep(2)\n",
    "                print(\"Start!\")\n",
    "                readSamples('%s_%s'%(g,user),s)\n",
    "                print('Rest 5 seconds...')\n",
    "                sleep(3)\n",
    "    print('Data obtained!')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
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   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "0\n",
      "Do fist till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do rest till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do spread till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "1\n",
      "Do fist till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do rest till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do spread till 'DONE!'\n",
      "Start!\n",
      "INFO: \t1757\n",
      "\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "2\n",
      "Do fist till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do rest till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do spread till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "3\n",
      "Do fist till 'DONE!'\n",
      "Start!\n",
      "INFO: \n",
      "\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do rest till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do spread till 'DONE!'\n",
      "Start!\n",
      "INFO: \n",
      "\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "4\n",
      "Do fist till 'DONE!'\n",
      "Start!\n",
      "INFO: \n",
      "\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do rest till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do spread till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "5\n",
      "Do fist till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do rest till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do spread till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "6\n",
      "Do fist till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do rest till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do spread till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "7\n",
      "Do fist till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do rest till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do spread till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "8\n",
      "Do fist till 'DONE!'\n",
      "Start!\n",
      "INFO: \t1746\t1770\t1742\n",
      "\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do rest till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do spread till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "9\n",
      "Do fist till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do rest till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do spread till 'DONE!'\n",
      "Start!\n",
      "INFO: \t1729\t1743\t1744\n",
      "\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "10\n",
      "Do fist till 'DONE!'\n",
      "Start!\n",
      "INFO: \t1744\t1779\n",
      "\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do rest till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do spread till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "11\n",
      "Do fist till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do rest till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do spread till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "12\n",
      "Do fist till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do rest till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do spread till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "13\n",
      "Do fist till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do rest till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do spread till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "14\n",
      "Do fist till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do rest till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do spread till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "15\n",
      "Do fist till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do rest till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Do spread till 'DONE!'\n",
      "Start!\n",
      "5120 samples\n",
      "10240 samples\n",
      "15360 samples\n",
      "20480 samples\n",
      "DONE!\n",
      "Rest 5 seconds...\n",
      "Data obtained!\n"
     ]
    }
   ],
   "source": [
    "getTrainingData(user='john_myoware_wet_2000_all') #CH0 is up wrist, CH1 bottom wrist, CH2 inner forearm, CH3 outside forearm"
   ]
  }
 ],
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