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#include <WiFiNINA.h>

typedef struct {
  unsigned char r;
  unsigned char g;
  unsigned char b;
} RGB;

typedef struct {
  unsigned char h;

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#include <Arduino.h>
#include <EEPROM.h>

#define EEPROM_SIZE 64

bool has_credentials() {
  return EEPROM.read(0) == 0x42 /* credentials marker */;
}

void save_credentials(char *ssid, char *pass) {

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#include <Arduino.h>

#define R_LED_PIN 32
#define G_LED_PIN 33
#define B_LED_PIN 25

#define R_CH 0
#define G_CH 1
#define B_CH 2

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const express = require('express')
const open = require('open');

const app = express()
const port = 3000

const log = console.log;

let started = true;

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---
AWSTemplateFormatVersion: '2010-09-09'
Description: Creates an SNS topic and an SQS queue. Subscribes the queue to the created topic
Parameters:
  Environment:
    Default: dev
    Type: String
    AllowedPattern: "(dev|stage|local-[0-9a-zA-Z]*)"
Resources:    

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[env:blackpill_f411ce]
; monitor_speed = 115200
platform = ststm32
board = blackpill_f411ce
framework = arduino

upload_protocol = stlink
build_flags =
    -D PIO_FRAMEWORK_ARDUINO_ENABLE_CDC
    -D USBCON

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#include <Arduino.h>

HardwareTimer *timer;
volatile int state = LOW;

void isr() {
  digitalWrite(PC13, state);
  state = !state;  
}

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#include <Encoder.h>
#include <Servo.h>

Encoder encoder(2, 3);
long last_postition;

Servo esc;

void setup() {   
  Serial.begin(115200);

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# https://en.wikipedia.org/wiki/Low-pass_filter

import numpy as np
import matplotlib.pyplot as plt

N = 1000

t = np.linspace(0, 10, N)
x = np.sin(t) + np.cos(100 * t + np.random.normal(0, 1, N))

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#include <Arduino.h>

#define STEP_PIN  21
#define DIR_PIN   17
#define PPR       400

#define TICKS_PER_SECOND 200000

hw_timer_t * timer = NULL;
volatile uint32_t ticksPerPulse = TICKS_PER_SECOND;