====== Xprotolab Plain ======

{{:en:acc:xscope:pins.jpg?300|}}

The Xprotolab Plain is a multi scope board created by [[http://www.gabotronics.com/|Gabotronics]]. It is the most inexpensive but feature rich oscilloscope in the market. It consists of a simple DIP module with a USB interface. Visualization of the signals and controlling the oscilloscope is done on the PC interface software (open source). The Xprotolab Plain is similar to the original Xprotolab, but doesn't have the display and buttons, so it only works with the USB interface. The board measures only 1 x 2 inches, and can be mounted directly on a breadboard. The Xprotolab can also be used as a development board for the AVR XMEGA microcontroller.

Package include
  * Xprotolab Plain (Connectors were soldered)
  * 10 x IC hook
  * Micro USB Cable

Documents & links
  * {{http://www.gabotronics.com/download/xscopes/xscopes-manual.pdf}}
  * {{http://www.gabotronics.com/download/xproto-plain/xproto-plain-schematics.pdf}}
  * [[http://www.gabotronics.com/oscilloscopes/xprotolab-plain.htm]]


====== How to use ======
===== Xscopes Qt program =====

{{:en:acc:xscope:pcinterface.png?500|}}

==== Build & Run ====
1. Install Qt packages
=== XU4 ===
  sudo apt-get update
  sudo apt-get install qt5-default libqt5serialport5-dev libusb-1.0-0-dev
  sudo apt-get --reinstall install libgles2-mesa
=== C2 ===
  sudo apt-get update
  sudo apt-get upgrade
  sudo apt-get install qt5-default libqt5serialport5-dev libusb-1.0-0-dev
<WRAP hide>
You must remove mali package before installing qt5. \\
Also need to update the system software with [[http://odroid.com/dokuwiki/doku.php?id=en:c2_ubuntu_release_note_v1.2#how_to_update_the_kernel_and_system|dist-upgrade]] first.
<code>
sudo apt-get update
sudo apt-get remove mali-x11
sudo apt-get install qt5-default libqt5serialport5-dev libusb-1.0-0-dev
sudo apt download mali-x11
sudo dpkg -i --force-overwrite mali-x11*.deb
sudo apt-get install xserver-xorg-video-mali
sudo ldconfig
</code>
</WRAP>
=== C1 ===
  sudo apt-get update
  sudo apt-get install qt5-default libqt5serialport5-dev libusb-1.0-0-dev
  
You should add swap space due to its limited RAM.
  sudo fallocate -l 2G /swapfile
  sudo mkswap /swapfile
  sudo swapon /swapfile
After build, if you want to free
  sudo swapoff -a

==== ====

2. Get soure code
  git clone https://github.com/ganzziani/xscopes-qt

3. Build
  cd xscopes-qt
  qmake
  make -j5

4. Run
  sudo ./xscope

5. Connect Xprotolab to your Board  using micro USB cable.

6. Then, click "Connect" button in the "Options" tab on UI.

[[http://www.gabotronics.com/product-info/xprotolab-pc-interface.htm|Other OS programs]]

==== Run without sudo ====
If you want to run the program without sudo such as desktop icon, you need to add following line into "/etc/udev/rules.d/10-odroid.rules".
  SUBSYSTEMS=="usb", ATTRS{idVendor}=="16d0", ATTRS{idProduct}=="06f9", GROUP="users", MODE="0666"
And then, reload the udev.
  sudo udevadm control --reload
==== Oscilloscope echo test using AWG ====
1. Wiring

{{:en:acc:xscope:wiring_awg.jpg?300|}}

2. Select the waveform you want to get

{{:en:acc:xscope:awg.png?300|}}

====== H/W specifications ======
==== Pins description ====
{{:en:acc:xscope:xplain_pin.jpg?300|}}

^ Name ^ Description ^ Comment ^
| +5V | +5V Input voltage | Do not apply +5V if using the USB port |
| +3V | +3.3V Output voltage | 200mA max output |
| GND | Ground | It is recommended use all ground pins to reduce voltage offset errors. |
| CH1 | Analog Channel 1 | Input range : -14V to +20 V |
| CH2 | Analog Channel 2 | Input range : -14V to +20 V |
| AWG | Arbitrary Waveform Generator | Output range : +/- 2V |
| EXT | External Trigger | Digital input, max 5.5V |
| Logic 0 | Digital Channel 0 | I2C Sniffer signal : SDA |
| Logic 1 | Digital Channel 1 | I2C Sniffer signal : SCL |
| Logic 2 | Digital Channel 2 | UART Sniffer signal : RX |
| Logic 3 | Digital Channel 3 | UART Sniffer signal : TX |
| Logic 4 | Digital Channel 4 | SPI Sniffer signal : /SS |
| Logic 5 | Digital Channel 5 | SPI Sniffer signal : MOSI |
| Logic 6 | Digital Channel 6 | SPI Sniffer signal : MISO |
| Logic 7 | Digital Channel 7 | SPI Sniffer signal : SCK |
==== General specifications ====
  * ATXMEGA32A4U 36KB Flash, 4KB SRAM, 1KB EEPROM
  * Module size : 1.980" x 1.01"
  * PDI interface
  * USB connectivity : Windows, Linux, MAC, Android


==== Oscilloscope specifications ====
  * 2 Analog inputs
  * Maximum sampling rate : 2MSPS
  * Analog bandwidth : 200kHz
  * Resolution : 8bits
  * Input impedance : 1MΩ
  * Buffer size per channel : 256
  * Input voltage range : -14V to +20V
==== Logic Analyzer specifications ====
  * 8 Digital Inputs, 3.3V level
  * Maximum sampling rate : 2MSPS
  * Frequency counter : 16Mhz
  * Protocol sniffer : UART, I2C, SPI
  * Internal pull up or pull down
  * Buffer size : 256
==== AWG specifications ====
  * 1 Analog output
  * Maximum conversion rate : 1MSPS
  * Analog Bandwidth : 44.1kHz
  * Resolution : 8bits
  * Output current : +/- 7mA
  * Buffer size : 256
  * Ouput voltage : +/- 2V