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

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)

• Startup shows connection setup + waits for OK prompt via main hat switch
• Status bar @ top with selected uart, selected speed
• Simple display of serial in/out via lcd
• Button for accessing symbols via pop-up list that aren't on keyboard
• Bccessing a uart selection pop-up that maps to rpi uarts
• Button for accessing password selection pop-up to help with password entry over serial
• Button for accessing uart speed pop-up to help with configuring line speeds
• Way to display pinouts stored on micro 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

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.