sonnny’s gists

sonnny / pico_cli.txt

Created January 22, 2025 04:24

pico cli demo

	// https://github.com/kelu124/pic0rick/blob/main/software/rp2040_shell/main.c
	// template console how to get command line from usb then process
	// example: loco speed 15 4 -- set loco speed address 15 to 4
	// k
	#include <pico/stdio_usb.h>
	#include <string.h>
	#include <stdio.h>

	typedef void (command_func_t)(const char args);

sonnny / touch.txt

Last active January 12, 2025 17:18

pico touch pad demo

	/*

	touch demo for pico rp2040

	cmake_minimum_required(VERSION 3.13)
	set(PICO_SDK_PATH "/home/sonny/pico/pico-sdk")
	set(PICOTOOL_FETCH_FROM_GIT_PATH "/home/sonny/pico/picotool")
	set(PICO_BOARD waveshare_rp2040_zero CACHE STRING "Board type")
	include(/home/sonny/pico/pico-sdk/external/pico_sdk_import.cmake)
	project(main C CXX ASM)

sonnny / flutter_picow_udp.txt

Last active October 17, 2024 16:27

flutter connects wireless with pico w using udp

	demo to connect flutter to picow using udp

	////////////////////main.dart

	import 'package:flutter/material.dart';
	import 'dart:io';

	RawDatagramSocket? socket;

	void main() async {

sonnny / pico_pca9685_demo.txt

Created March 5, 2024 21:08

pico i2c demo with pca9685

	/*
	*
	* demo of pico using pca9685 without library
	* this is for 2 rc servo
	* verified with pulseview march 4, 2024
	* 16 bit register content below

	1490 us ------ center
	on 0x0000
	off 0x013B

sonnny / dcc_encode_decode.txt

Last active February 19, 2024 22:52

pico pio test to decode/encode nmra dcc protocol, work in progress

	//////////////readme.txt

	when using flutter syntax view to view
	source file, don't forget to replace dollar sign
	so the code text will have multiple colors

	nmra dcc decoder encoder

	this is my project to generate and encode nmra
	dcc pulses for model train. google nmra dcc

sonnny / pico_gamepad_pio.txt

Created January 5, 2024 14:00

pico pio demo of issuing irq and wait until program responds, also demo of passing pointer from main to other file to update


	demo of pico decoding nes gamepad
	demo of pico issuing irq to main program
	main program responds and clears the irq

	source file from https://codeberg.org/chipfire/rppico-pio-gamepad

	/****************************
	* gptest.c
	**************************/

sonnny / pico_bluetooth_gamepad.txt

Created January 5, 2024 13:50

demo of pico w bluetooth using an nes gamepad, demo of pio irq, send signal to program from pio


	demo of nes gamepad using pico w bluetooth
	source from https://codeberg.org/chipfire/rppico-bt-gamepad

	/****************************
	* bt_gamepad.c
	**********************/
	/**
	* Copyright (c) 2023 Raspberry Pi (Trading) Ltd.
	*

sonnny / pico_usb_keyboard.txt

Created January 5, 2024 13:35

minimal pico usb keyboard, no matrix switches just plain switches wired to pico gpio pin, tested and works with reduced number of gpio pin for testing


	simple demo of usb keyboard
	no matrix keyboard, 1 key per pico gpio
	source from https://github.com/PhilboBaggins/pico-keys
	tested good with switches

	/************************
	* PicoKeysExample.c
	***********************/
	#include <ctype.h>

sonnny / flutter_syntax.txt

Created January 1, 2024 09:00

flutter demo of syntax view showing source file

	import 'package:flutter/material.dart';
	import 'package:flutter_syntax_view/flutter_syntax_view.dart';
	import 'package:get/get.dart';
	import './dark_light.dart';

	void main() {
	runApp(MaterialApp(home:MyApp(),
	debugShowCheckedModeBanner:false));}

	class MyApp extends StatelessWidget{

sonnny / pio_minimal.txt

Last active December 29, 2023 01:19

demo of pico pio minimal initialization done in main instead of .pio file, includes CMakeLists.txt and instruction on how to generate a pico project

	//
	// pio_minimal.c
	// demo for minimal pio
	// pio initialize is in main
	// you normally see pio init in .pio file
	//

	#include <stdio.h>
	#include "pico/stdlib.h"
	#include "hardware/pio.h"