/*****
 * Copyright (c) 2023 - Poivron Robotique
 *
 * SPDX-License-Identifier: BSD-3-Clause
*/
#include "pico/stdlib.h"
#include <stdio.h>

absolute_time_t envoie_nb_char(int nb_char);

void main(void)
{
	absolute_time_t measured_time_us;
	absolute_time_t temps_moyen, temps_max;
	int nb_ech = 10;
	stdio_init_all();
	while(1){
		temps_moyen = 0;
		temps_max = 0;
		for(int nb_char = 1; nb_char < 1000; nb_char+= 1){
			temps_moyen = 0;
			temps_max = 0;
			for(int ech=0; ech<nb_ech; ech ++){
				measured_time_us = envoie_nb_char(nb_char);
				if(measured_time_us > temps_max){
					temps_max = measured_time_us;
				}
				temps_moyen += measured_time_us;
			}
			temps_moyen = temps_moyen / nb_ech;
			printf(">temps:%d:%lld#us\n", nb_char, temps_moyen);
			printf(">temps_max:%d:%lld#us\n", nb_char, temps_max);
			sleep_ms(5);
		}
		sleep_ms(50);
	}
}

absolute_time_t envoie_nb_char(int nb_char) {
	absolute_time_t current_time_us, start_time_us;
	char message[10000];
	for(int i=0; i<10000; i++){
		message[i]= i%26 + 'a';
	}
	if (nb_char == 0){
		return 0;
	}
	message[nb_char - 1] = '\n';
	message[nb_char] = '\0';
	start_time_us = get_absolute_time();
	printf("%s", message);
	current_time_us = get_absolute_time();
	return current_time_us - start_time_us;
}