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

void stdio_usb_out_chars(const char *buf, int length);

#define NB_MORCEAUX 100

absolute_time_t envoie_nb_char(int nb_char);
char message[10000];

void envoie_donnees(char * donnees, u_int16_t length){
	for (int i=0; i<length; i++){
		putchar(donnees[i]);
	}
}


void main(void)
{
	absolute_time_t measured_time_us;
	absolute_time_t temps_moyen, temps_max, temps_m[NB_MORCEAUX];
	absolute_time_t current_time_us, start_time_us;

	
	for(int i=0; i<10000; i++){
		/*j++;
		if(j>25){
			j=0;
		}
		message[i]= j + 'a';*/
		message[i]= i%26 + 'a';
	}
	int nb_ech = 10;
	int taille_morceau = 60;
	stdio_init_all();
	while(1){
		temps_moyen = 0;
		temps_max = 0;
		for(int i = 1; i < NB_MORCEAUX; i++){
			temps_moyen = 0;
			temps_max = 0;
			start_time_us = get_absolute_time();
			temps_m[i] = envoie_nb_char(taille_morceau);
			//temps_m[i] = i;
			current_time_us = get_absolute_time();
			sleep_ms(1);
		}
		for(int i = 1; i < NB_MORCEAUX; i++){
			printf(">temps:%d:%lld#us\n", i, temps_m[i]);
		}
		printf(">temps_d:%lld\n", current_time_us - start_time_us);

		sleep_ms(50);
	}
}

absolute_time_t envoie_nb_char(int nb_char) {
	absolute_time_t current_time_us, start_time_us;
	int j=0;
	
	if (nb_char == 0){
		return 0;
	}
	message[nb_char - 1] = '\n';
	message[nb_char] = '\0';
	start_time_us = get_absolute_time();
	printf("%s", message);	
	envoie_donnees(message, strlen(message));

	current_time_us = get_absolute_time();
	message[nb_char - 1] = 'a';
	message[nb_char] = 'a';
	return current_time_us - start_time_us;
}