DUMONT CYBERNETICS

Articles tagged with SPI

1. Lights and Linkers

   After last week's post I set myself three more tasks to get done:

   1. Get some decent fault handling setup
   2. Get the onboard LEDs working
   3. Try running code from the SDRAM

   I've managed to achieve all of them, but they weren't all as easy as I'd thought.

   Fault handling

   Last time …

2. Pi Utilities

   LCD Display

   Installing Adafruit SPI LCD library:

   sudo pip3 install adafruit-circuitpython-rgb-display
   

   Copy the example from the readme at https://github.com/adafruit/Adafruit_CircuitPython_RGB_Display. It needs some modifications to match our pinout and to drive the backlight and reset pins:

   import time
   import busio
   import digitalio
   from board import SCK, MOSI …