todbot

// samd21 blink LED on PA10 on Trinket M0
// adapted / stolen from:
// https://github.com/LifeWithDavid/RaspberryPiPico-BareMetalAdventures/blob/main/Chapter%2004/assembly.s
    
.cpu cortex-m0
.syntax unified
.thumb

.global main                // used in startup.s
    

todbot

// originally from: https://github.com/dwelch67/atsamd_samples/tree/master/ATSAMD21/sparkfun/blinker01

#include <stdint.h>  // for uint32_t

int main(void) {
    
    unsigned int ra;
    unsigned int rx;

    uint32_t* PORT_A_DIR = (uint32_t*)0x41004400;  // "PORT" from Table 12-1 & 23.7 of SAMD21 Datasheet 

todbot

# bitmapfilter_play3_code.py -- chops + blur on random lines 
# 2 Apr 2024 - @todbot / Tod Kurt
import time, math, random
import board
import rainbowio
import vectorio
import displayio
import bitmaptools
import bitmapfilter
import gc 

todbot

# bitmapfilter_play2_code.py -- spirograph fun w/ bitmapfilter
# 1 Apr 2024 - @todbot / Tod Kurt
import time, math, random
import board
import rainbowio
import vectorio
import displayio
import bitmaptools
import bitmapfilter

todbot

# Make an internet clock with CircuitPython using WorldTimeAPI.org
# 31 Mar 2024 - @todbot / Tod Kurt
# Use resulting strings for displaying on a display of some kind
import os, time
import wifi
import adafruit_requests
import socketpool
import ssl

time_url = "http://worldtimeapi.org/api/ip"

todbot

# starting to play with bitmapfilter
# 31 Mar 2024 - @todbot / Tod Kurt
import time, math, random
import board
import vectorio
import displayio
import bitmaptools
import bitmapfilter

display = board.DISPLAY

todbot

"""
LilyGo T-Display S3 display hand-setup. Not normally required if using https://circuitpython.org/board/lilygo_tdisplay_s3/
"""
import time
import board
import digitalio
import displayio
import paralleldisplaybus
import adafruit_st7789

todbot

# code.py example for color_palette_finder.py
# 9 Mar 2024 - @todbot / Tod Kurt
# Needs 'color_palette_finder.py' library
# video demo: https://youtu.be/dSR6IVxeaTg

import time
import board
import displayio
import vectorio
import gc

todbot

# Compute the average (median or mean) color of a JPEG using ulab.numpy
# 9 Mar 2024 - @todbot / Tod Kurt
# Note: test images are included as comment below, max tested resolution 256x192
import ulab.numpy as np
import displayio
import jpegio

def rgb565_to_rgb888(v, swapped=True):
    """Convert RGB565 (normal or swapped) to RGB888 tuple"""
    if swapped:

todbot

// from:
// https://docs.arduino.cc/retired/library-examples/wifi-library/WiFiWebClient/

#include <WiFi.h>

// Enter your WiFi SSID and password
char ssid[] = "todbot";      // your network SSID (name)
char pass[] = "testtesttest";  // your network password (use for WPA, or use as key for WEP)

char server[] = "wifitest.adafruit.com";  // host name address for adafruit test