serial_debugger/hardware/_controller

Controller

A debug console and configuration shield for serial TTL muxers. See the muxers folder for what connects to this shield.

Hardware / BoM

Item	Quantity	Unit Cost
Keyboard FeatherWing (Keyboard + LCD)	1	$55.00
Feather nRF52840 Express	1	$24.95

Libraries Used

Local

These librarires are used by the project and contained in the src/ folder local to the project.

• GUIslice 0.15
• SdFat 1.1.4

External

These libraries are used by the project and can be installed via the Arduino IDE library manager.

• CircularBuffer
• bbq10keyboard
• Adafruit_ILI9341
• Adafruit_NeoPixel

Hardware Docs

• https://www.solder.party/docs/keyboard-featherwing/downloads/
• https://github.com/arturo182/bbq10kbd_i2c_sw
• https://github.com/lvgl/lv_arduino

Implementation (Incomplete)

• Simple display of serial in/out via lcd
• Button for accessing symbols and control sequences via pop-up list that aren't on keyboard
• Button for accessing password selection pop-up to help with password entry over serial
  • This should be configured via a text file on the sd card
• Way to display pinouts stored on micro sd card
  • YOU WILL NEED TO UPDATE THE CODE TO ADD NEW IMAGES
  • Max number of files is 20
  • Max filename length is 24 (this includes the . and extension of the file)
  • The pinouts should be stored as bmp files up to 24 bit
  • Pinouts should be sized as close to 320x240 as possible
  • Pinouts should be stored at /pinouts on the root of the SD card
• Configuration read from muxes (if attached)

Implementation (Complete)

• Battery level on feather neopixel (green = >80% ; yellow >=40% ; orange >= 25% ; red < 25%)
• User LED (red) always on when feather is running
• Battery level shown as progress bar in the upper right corner of the screen
• Config screen for Raspberry Pi UART/Speed
• SD card support (REQUIRED actually)
• SD Card information screen
• Keyboard setup
• 5 way switch for UI navigation instead of touch screen
• Button 4 as a way to switch between screens

Building / Uploading

The make.ps1, build.ps1 and upload.ps1 scripts can be used to build/upload this project. These scripts call the arduino-cli commands programatically.