From ec854c1cd07ac9514c94fd013efcf22c1650ac07 Mon Sep 17 00:00:00 2001
From: Jasper Franse <w.j.m.franse@tudelft.nl>
Date: Thu, 29 Apr 2021 12:35:27 +0000
Subject: [PATCH] example coding
---
example_code_switch.ipynb | 171 ++++++++++++++++++++++++++++++++++++++
1 file changed, 171 insertions(+)
create mode 100755 example_code_switch.ipynb
diff --git a/example_code_switch.ipynb b/example_code_switch.ipynb
new file mode 100755
index 0000000..ee3856d
--- /dev/null
+++ b/example_code_switch.ipynb
@@ -0,0 +1,171 @@
+{
+ "cells": [
+ {
+ "cell_type": "code",
+ "execution_count": 4,
+ "id": "clean-marsh",
+ "metadata": {},
+ "outputs": [],
+ "source": [
+ "# import warnings\n",
+ "# warnings.filterwarnings('ignore')\n",
+ "\n",
+ "# import sys\n",
+ "# import os\n",
+ "# import shutil\n",
+ "# from pyrpl import Pyrpl\n",
+ "# import numpy as np\n",
+ "# import time\n",
+ "# import matplotlib.pyplot as plts\n",
+ "\n",
+ "# import IPython\n",
+ "# import ipywidgets as widgets\n",
+ "\n",
+ "# from bokeh.plotting import figure, show\n",
+ "# from bokeh.io import output_notebook, push_notebook\n",
+ "# from bokeh.layouts import column, row\n",
+ "# from bokeh.models import ColumnDataSource, Toggle, Range1d\n",
+ "\n",
+ "# from scipy.signal import welch\n",
+ "\n",
+ "# from datetime import datetime\n",
+ "\n",
+ "#Arduino Serial connection\n",
+ "import serial"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 5,
+ "id": "variable-composite",
+ "metadata": {},
+ "outputs": [
+ {
+ "ename": "SerialException",
+ "evalue": "[Errno 2] could not open port COM9: [Errno 2] No such file or directory: 'COM9'",
+ "output_type": "error",
+ "traceback": [
+ "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
+ "\u001b[0;31mFileNotFoundError\u001b[0m Traceback (most recent call last)",
+ "\u001b[0;32m/opt/conda/lib/python3.8/site-packages/serial/serialposix.py\u001b[0m in \u001b[0;36mopen\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m 321\u001b[0m \u001b[0;32mtry\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 322\u001b[0;31m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mfd\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mos\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mopen\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mportstr\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mos\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mO_RDWR\u001b[0m \u001b[0;34m|\u001b[0m \u001b[0mos\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mO_NOCTTY\u001b[0m \u001b[0;34m|\u001b[0m \u001b[0mos\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mO_NONBLOCK\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 323\u001b[0m \u001b[0;32mexcept\u001b[0m \u001b[0mOSError\u001b[0m \u001b[0;32mas\u001b[0m \u001b[0mmsg\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
+ "\u001b[0;31mFileNotFoundError\u001b[0m: [Errno 2] No such file or directory: 'COM9'",
+ "\nDuring handling of the above exception, another exception occurred:\n",
+ "\u001b[0;31mSerialException\u001b[0m Traceback (most recent call last)",
+ "\u001b[0;32m<ipython-input-5-ccbc81474993>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0mser\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mserial\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mSerial\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m'COM9'\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;36m9600\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0mtimeout\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;36m0.5\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 2\u001b[0m \u001b[0mser\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mflush\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 3\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 4\u001b[0m \u001b[0mtime\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0msleep\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;36m0.5\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 5\u001b[0m \u001b[0mser\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mreset_input_buffer\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
+ "\u001b[0;32m/opt/conda/lib/python3.8/site-packages/serial/serialutil.py\u001b[0m in \u001b[0;36m__init__\u001b[0;34m(self, port, baudrate, bytesize, parity, stopbits, timeout, xonxoff, rtscts, write_timeout, dsrdtr, inter_byte_timeout, exclusive, **kwargs)\u001b[0m\n\u001b[1;32m 242\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 243\u001b[0m \u001b[0;32mif\u001b[0m \u001b[0mport\u001b[0m \u001b[0;32mis\u001b[0m \u001b[0;32mnot\u001b[0m \u001b[0;32mNone\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 244\u001b[0;31m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mopen\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 245\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 246\u001b[0m \u001b[0;31m# - - - - - - - - - - - - - - - - - - - - - - - -\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
+ "\u001b[0;32m/opt/conda/lib/python3.8/site-packages/serial/serialposix.py\u001b[0m in \u001b[0;36mopen\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m 323\u001b[0m \u001b[0;32mexcept\u001b[0m \u001b[0mOSError\u001b[0m \u001b[0;32mas\u001b[0m \u001b[0mmsg\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 324\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mfd\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;32mNone\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 325\u001b[0;31m \u001b[0;32mraise\u001b[0m \u001b[0mSerialException\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mmsg\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0merrno\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m\"could not open port {}: {}\"\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mformat\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_port\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mmsg\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 326\u001b[0m \u001b[0;31m#~ fcntl.fcntl(self.fd, fcntl.F_SETFL, 0) # set blocking\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 327\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
+ "\u001b[0;31mSerialException\u001b[0m: [Errno 2] could not open port COM9: [Errno 2] No such file or directory: 'COM9'"
+ ]
+ }
+ ],
+ "source": [
+ "ser = serial.Serial('COM9',9600,timeout=0.5)\n",
+ "ser.flush()\n",
+ "\n",
+ "time.sleep(0.5) \n",
+ "ser.reset_input_buffer()\n",
+ "ser.write(b'at')\n",
+ "ser.write(b'ch1')"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": null,
+ "id": "rural-musical",
+ "metadata": {},
+ "outputs": [],
+ "source": []
+ },
+ {
+ "cell_type": "code",
+ "execution_count": null,
+ "id": "vulnerable-leone",
+ "metadata": {},
+ "outputs": [],
+ "source": []
+ },
+ {
+ "cell_type": "code",
+ "execution_count": null,
+ "id": "freelance-ticket",
+ "metadata": {},
+ "outputs": [],
+ "source": []
+ },
+ {
+ "cell_type": "code",
+ "execution_count": null,
+ "id": "continuing-article",
+ "metadata": {},
+ "outputs": [],
+ "source": [
+ "# Global variables \n",
+ "R = []\n",
+ "T = []\n",
+ "tm = []\n",
+ "Iavg = []\n",
+ "Iptp = []\n",
+ "Vavg = []\n",
+ "Vptp = []\n",
+ "t0 = time.time()\n",
+ "timer_t0 = time.time()"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": null,
+ "id": "verbal-blame",
+ "metadata": {},
+ "outputs": [],
+ "source": [
+ "def get_temperature(serial_port, baudrate, timeout):\n",
+ " # serial_port='COM7', baudrate=9600, timeout=1\n",
+ " \n",
+ " #variables (could be adjusted to inputs?)\n",
+ " alpha = 4.1139e-3; R0 = 1000; R1=1081; Vin=3.272 #should be according to literature: alpha = 3.85e-3 & R0 = 1000\n",
+ " \n",
+ " #open Serial port to Arduino + flush what's still on it\n",
+ " ser = serial.Serial(serial_port,baudrate,timeout=0.5)\n",
+ " ser.flush()\n",
+ " \n",
+ " #sent command to Arduino so we can read it out:\n",
+ " time.sleep(0.5) #needs to sleep, otherwise we get a: 'can not convert float... at the Vout-line'\n",
+ " ser.reset_input_buffer()\n",
+ " ser.write(b'g')\n",
+ " \n",
+ " #Serial read + Temperature calculations:\n",
+ " serial_reply = ser.readline()\n",
+ " try:\n",
+ " Vout = float(str(serial_reply.decode(\"utf-8\")))*(Vin/1023.0) #calculates the voltage from the voltage divider (over the PT1000)\n",
+ " except:\n",
+ " return serial_reply\n",
+ " Rpt = (Vout*R1)/(Vin-Vout) #calculates the resistance of the PT1000\n",
+ " Temp_C = ((Rpt/R0)-1)/alpha #with the above calculated resistance and 'known' variable we calculate the temperature in Celsius\n",
+ " Temp_K = Temp_C + 273.15 #Temperature in Kelvin\n",
+ " return Temp_K"
+ ]
+ }
+ ],
+ "metadata": {
+ "hide_input": false,
+ "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": "3.8.8"
+ }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}
--
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