Kitt RP2040

KittRp2040.cpp

// uses my PWM library 

#include <stdio.h>
#include <vector>
#include <map>
#include "pico/stdlib.h"

static std::vector<uint8_t> pwmValues; 
static std::vector<PiPWM *> pwms;
static int current = 0;
static int direction = 1;

bool timer_callback(struct repeating_timer *t) {

  if (current == 0) {
      direction = 1;
  }

  if (current == pwms.size()-1) {
      direction = -1;
  }

  for(int x=0; x<pwms.size(); x++) {
    if (pwmValues[x] == 0) {
      continue;
    }
    pwmValues[x] /= 3;
    pwms[x]->setDuty(pwmValues[x]);
  }

  current += direction;
  pwmValues[current] = 100;
  pwms[current]->setDuty(100);

  return true;
}

int main() {
  struct repeating_timer timer;

  for(int pin=2; pin<14; pin++) {
    PiPWM *pwm = new PiPWM(pin);
    pwm->start();
    pwms.push_back(pwm);
    pwmValues.push_back(0);
  }

  bool timerAdded = add_repeating_timer_ms(-50, timer_callback, NULL, &timer);
  assert(timerAdded == true);

  while (1)
      tight_loop_contents();
}