{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# QCoDeS Example with R&S HMP4040 Power Supply"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import qcodes as qc\n",
    "import qcodes_contrib_drivers.drivers.RohdeSchwarz.HMP4040 as hmp4040"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Create the instrument (in this case a HMP4040 connected via USB to the ASRL4::INSTR address)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Connected to: ROHDE&SCHWARZ HMP4040 (serial:101920, firmware:HW50020003/SW2.62) in 0.12s\n"
     ]
    }
   ],
   "source": [
    "ps = hmp4040.RohdeSchwarzHMP4040('ps_1', 'ASRL4::INSTR')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "You can set voltage and/or current to any channel."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "ps.ch1.set_voltage.set(0.05)\n",
    "ps.ch2.set_current.set(0.2)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "The set voltage and current can be read out."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "0.05\n",
      "0.2\n"
     ]
    }
   ],
   "source": [
    "print(ps.ch1.set_voltage.get())\n",
    "print(ps.ch2.set_current.get())"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Channel(s) should be turned on, as well as the master on/off"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "ps.ch1.state('ON')\n",
    "ps.state('ON')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Voltage, current and power can be measured"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "V1= 0.05\n",
      "I1= 0.005\n",
      "P1= 0.00025\n"
     ]
    }
   ],
   "source": [
    "print('V1=', ps.ch1.voltage.get())\n",
    "print('I1=', ps.ch1.current.get())\n",
    "print('P1=', ps.ch1.power.get())"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "And finally turned off"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [],
   "source": [
    "ps.ch1.state('OFF')\n",
    "ps.state('OFF')"
   ]
  }
 ],
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