RaspberryPi

TWELITE_Stage installation (Raspberry Pi)

RasPi

The TWELITE Stage app runs on a Raspberry Pi.

Mouse and touch screen support.
The build toolchain is included and can be used to compile the application.
Four executable versions are available: framebuffer version, X11 version, framebuffer lightweight version, and X11 lightweight version. The lightweight version omits semi-transparency effects, etc.

Depending on the OS type, version, and installation status of your RaspberryPi, it may not work or you may need to recompile it.

Environment

TWELITE STAGE has been developed and tested in the following environment.

Hardware
- Raspberry Pi 3 Model B
- LCD Screen: Raspberry Pi Touch Display (7")
OS & distribution
- Raspberry PI OS (32bit) Lite (Version:August 2020)

Known Issues/Limitations.

Operation of /dev/serial0 may fail on the first boot.
The operation of /dev/serial0 has not been tested on Raspberry Pi 4B.
Touch screen operation has not been tested on Raspberry Pi 4B.
The input string to TWELITE STAGE is passed as is to the input string to the shell or getty running on /dev/tty1. It is recommended to start from /dev/tty1.
This may be affected by other installations or running programs (such as X11).

Extract archive

The downloaded archive file should be extracted to a folder whose path name does not contain spaces or Japanese characters.

In the following, it is extracted to the home folder of the Raspberry Pi.

$ cd /home/pi
$ unzip MWSTAGE2020_XX_YYYY.zip

folder structure

../MWSTAGE
     TWELITE_Stage.run    TWELITE_Stage App.
     BIN/                 BIN files of App. firmware
     MWSDK/               MWSDK library, etc.
     TWELITE_Stage/       TWELITE_Stage Application related files

Device Driver

In order to recognize MONOSTICK or TWELITE-R from TWELITE STAGE, you must unload the ftdi_sio module and also have read/write permission to the USB device.

The ID of the USB device will be as follows.

Vendor ID 0x0403
Product ID 0x6001(MONOSTICK,TWELITE R) or 0x6015 (TWELITE R2)

A udev configuration script is provided to automate this setup. It copies the definition to /etc/udev/rules.d and reloads the configuration. After configuration, unplug and plug the USB device before running TWELITE_Stage.run. If the USB device appears on the screen right after startup, the configuration is reflected.

$ cd ./MWSTAGE/TWELITE_Stage/INSTALL/ubuntu/
$ sudo ./set_udev_sudo.sh

Definition file (line breaks for easier reading)

ACTION=="add",
   ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6001",
   MODE="0666",
   RUN+="/bin/sh -c 'rmmod ftdi_sio && rmmod usbserial'"
ACTION=="add",
   ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6015",
   MODE="0666",
   RUN+="/bin/sh -c 'rmmod ftdi_sio && rmmod usbserial'"

UARTについて

In the environment described above, /dev/serial0 is available by configuring the serial port from raspi-config.

  $ sudo raspi-config

  From the Menu:
  "3 Interface Options    Configure connections to peripherals"
  →"P6 Serial Port Enable/disable shell messages on the serial connection"

  Select the following: do not use as a login shell, or enable hardware.
  "Would you like a login shell to be accessible over serial?" -> <No>
  "Would you like the serial port hardware to be enabled?" → <Yes>

Wiring example

 [TWELITE]               [RaspberryPi]
  GND  ------------------ Gound (#6,#9,#14,#20,#25,#30,#34,#39のいずれか)
  TXD(DIO6,DIP#10) ------ GPIO15/UART0 RXD (#10)
  PRG(SPIMISO,DIP#7) ---- GPIO23 (#16)
  RXD(DIO7,DIP#3) ------- GPIO14/UART0 TXD (#8)
  RST(RESETN,DIP#21) ---- GPIO22 (#15)
  VCC  ------------------ 3V3 (#1,#17のいずれか)
  SET(DIO12,DIP#15) ----- GPIO12 (#32)

Refer to the manufacturer's manual for both TWELITE and RaspberryPi.
DIP# is the pin number of the TWELITE DIP.
The above wiring does not guarantee stable operation of the TWELITE wireless microcontroller module.

Launch TWELITE Stage app.

It will not run on the X11 desktop; close X11.
Run TWELITE_Stage.run. The TWELITE Stage app will appear on the screen screen.

Notes.

Mouse and touch screen are supported.
During the TWELITE Stage app, the characters you enter may also be displayed on the console screen.

Others

/dev/dri

You may get the following error when starting TWELITE_Stage.run.

  "The path /dev/dri/ cannot be opened or is not available"

You may ignore it.

Insufficient memory

At build time, if the number of CPUs is 4 or more, the parallel compilation is executed minus one CPU number (3 parallel compilations for 4 cores). In some cases, insufficient memory may occur. In that case, please change the number of parallels.

RaspberryPi 4

This information has not been fully validated.

The following settings are required: OpenGL related drivers must be enabled.

Select Advanced Settings → A2 GL Driver → G2 GL (Fake KMS\ in raspi-config)
Install the libgles-dev package.
Touch screen operation has not been tested

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