80 lines
1.6 KiB
C
80 lines
1.6 KiB
C
/*****
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* Copyright (c) 2023 - Poivron Robotique
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include "pico/stdlib.h"
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#include <stdio.h>
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void stdio_usb_out_chars(const char *buf, int length);
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#define NB_MORCEAUX 100
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absolute_time_t envoie_nb_char(int nb_char);
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char message[10000];
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void envoie_donnees(char * donnees, u_int16_t length){
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for (int i=0; i<length; i++){
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putchar(donnees[i]);
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}
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}
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void main(void)
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{
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absolute_time_t measured_time_us;
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absolute_time_t temps_moyen, temps_max, temps_m[NB_MORCEAUX];
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absolute_time_t current_time_us, start_time_us;
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for(int i=0; i<10000; i++){
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/*j++;
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if(j>25){
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j=0;
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}
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message[i]= j + 'a';*/
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message[i]= i%26 + 'a';
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}
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int nb_ech = 10;
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int taille_morceau = 60;
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stdio_init_all();
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while(1){
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temps_moyen = 0;
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temps_max = 0;
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for(int i = 1; i < NB_MORCEAUX; i++){
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temps_moyen = 0;
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temps_max = 0;
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start_time_us = get_absolute_time();
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temps_m[i] = envoie_nb_char(taille_morceau);
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//temps_m[i] = i;
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current_time_us = get_absolute_time();
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sleep_ms(1);
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}
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for(int i = 1; i < NB_MORCEAUX; i++){
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printf(">temps:%d:%lld#us\n", i, temps_m[i]);
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}
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printf(">temps_d:%lld\n", current_time_us - start_time_us);
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sleep_ms(50);
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}
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}
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absolute_time_t envoie_nb_char(int nb_char) {
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absolute_time_t current_time_us, start_time_us;
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int j=0;
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if (nb_char == 0){
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return 0;
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}
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message[nb_char - 1] = '\n';
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message[nb_char] = '\0';
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start_time_us = get_absolute_time();
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printf("%s", message);
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envoie_donnees(message, strlen(message));
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current_time_us = get_absolute_time();
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message[nb_char - 1] = 'a';
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message[nb_char] = 'a';
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return current_time_us - start_time_us;
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}
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