Converted in C

CMakeLists.txt

@@ -0,0 +1,46 @@
+cmake_minimum_required(VERSION 3.13)
+
+include(pico_sdk_import.cmake)
+
+project(PicoWCommLib C CXX ASM)
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
+
+# Définir explicitement la carte comme Pico W
+set(PICO_BOARD pico_w)
+if(NOT DEFINED PICO_BOARD)
+    add_definitions(-DPICO_BOARD=${PICO_BOARD})
+endif()
+
+pico_sdk_init()
+
+add_executable(PicoWCommLib
+  src/test_connection.c
+  src/wifi_operator/wifi_operator.c
+  src/udp/udp_client.c
+  src/udp/udp_server.c
+)
+
+target_include_directories(PicoWCommLib PRIVATE
+    ${CMAKE_CURRENT_LIST_DIR}/src
+    ${CMAKE_CURRENT_LIST_DIR}/src/SerialOutput
+    ${CMAKE_CURRENT_LIST_DIR}/src/WifiOperator
+    ${CMAKE_CURRENT_LIST_DIR}/src/udp)
+
+target_link_libraries(PicoWCommLib
+  pico_stdlib
+  pico_multicore
+  hardware_uart
+  pico_cyw43_arch_lwip_poll
+)
+
+# Configuration du stdio
+pico_enable_stdio_usb(PicoWCommLib 1)
+pico_enable_stdio_uart(PicoWCommLib 1)
+
+pico_add_extra_outputs(PicoWCommLib)
+
+add_custom_target(Flash
+    DEPENDS PicoWCommLib
+    COMMAND picotool load -f ${PROJECT_BINARY_DIR}/PicoWCommLib.uf2
+)

README.md

@@ -0,0 +1,3 @@
+# PicoWCommLib
+
+Library for rapsberry pi pico to communicate over WIFI

compilAndFlash.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+
+# Build the project
+if [ "$1" = "-D" ] || [ "$1" = "--delete" ]; then
+    rm -rf build/*
+    echo "Build directory cleaned"
+fi
+
+# Create build directory if it doesn't exist
+if [ ! -d "build" ]; then
+    mkdir build
+fi
+
+# Enter build directory
+cd build || exit 1
+
+# Only run CMake if CMakeCache.txt doesn't exist or if it's older than CMakeLists.txt
+if [ ! -f "CMakeCache.txt" ] || [ "../CMakeLists.txt" -nt "CMakeCache.txt" ]; then
+    cmake -DPICO_BOARD=pico_w ..
+    if [ $? -ne 0 ]; then
+        echo "CMake configuration failed"
+        exit 1
+    fi
+fi
+
+# Build the project
+if ! make -j; then
+    echo "Build failed"
+    exit 1
+fi
+
+# Flash the device
+sudo make Flash

pico_sdk_import.cmake

@@ -0,0 +1,62 @@
+# This is a copy of <PICO_SDK_PATH>/external/pico_sdk_import.cmake
+
+# This can be dropped into an external project to help locate this SDK
+# It should be include()ed prior to project()
+
+if (DEFINED ENV{PICO_SDK_PATH} AND (NOT PICO_SDK_PATH))
+    set(PICO_SDK_PATH $ENV{PICO_SDK_PATH})
+    message("Using PICO_SDK_PATH from environment ('${PICO_SDK_PATH}')")
+endif ()
+
+if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT} AND (NOT PICO_SDK_FETCH_FROM_GIT))
+    set(PICO_SDK_FETCH_FROM_GIT $ENV{PICO_SDK_FETCH_FROM_GIT})
+    message("Using PICO_SDK_FETCH_FROM_GIT from environment ('${PICO_SDK_FETCH_FROM_GIT}')")
+endif ()
+
+if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_PATH} AND (NOT PICO_SDK_FETCH_FROM_GIT_PATH))
+    set(PICO_SDK_FETCH_FROM_GIT_PATH $ENV{PICO_SDK_FETCH_FROM_GIT_PATH})
+    message("Using PICO_SDK_FETCH_FROM_GIT_PATH from environment ('${PICO_SDK_FETCH_FROM_GIT_PATH}')")
+endif ()
+
+set(PICO_SDK_PATH "${PICO_SDK_PATH}" CACHE PATH "Path to the Raspberry Pi Pico SDK")
+set(PICO_SDK_FETCH_FROM_GIT "${PICO_SDK_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of SDK from git if not otherwise locatable")
+set(PICO_SDK_FETCH_FROM_GIT_PATH "${PICO_SDK_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download SDK")
+
+if (NOT PICO_SDK_PATH)
+    if (PICO_SDK_FETCH_FROM_GIT)
+        include(FetchContent)
+        set(FETCHCONTENT_BASE_DIR_SAVE ${FETCHCONTENT_BASE_DIR})
+        if (PICO_SDK_FETCH_FROM_GIT_PATH)
+            get_filename_component(FETCHCONTENT_BASE_DIR "${PICO_SDK_FETCH_FROM_GIT_PATH}" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}")
+        endif ()
+        FetchContent_Declare(
+                pico_sdk
+                GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
+                GIT_TAG master
+        )
+        if (NOT pico_sdk)
+            message("Downloading Raspberry Pi Pico SDK")
+            FetchContent_Populate(pico_sdk)
+            set(PICO_SDK_PATH ${pico_sdk_SOURCE_DIR})
+        endif ()
+        set(FETCHCONTENT_BASE_DIR ${FETCHCONTENT_BASE_DIR_SAVE})
+    else ()
+        message(FATAL_ERROR
+                "SDK location was not specified. Please set PICO_SDK_PATH or set PICO_SDK_FETCH_FROM_GIT to on to fetch from git."
+                )
+    endif ()
+endif ()
+
+get_filename_component(PICO_SDK_PATH "${PICO_SDK_PATH}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}")
+if (NOT EXISTS ${PICO_SDK_PATH})
+    message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' not found")
+endif ()
+
+set(PICO_SDK_INIT_CMAKE_FILE ${PICO_SDK_PATH}/pico_sdk_init.cmake)
+if (NOT EXISTS ${PICO_SDK_INIT_CMAKE_FILE})
+    message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' does not appear to contain the Raspberry Pi Pico SDK")
+endif ()
+
+set(PICO_SDK_PATH ${PICO_SDK_PATH} CACHE PATH "Path to the Raspberry Pi Pico SDK" FORCE)
+
+include(${PICO_SDK_INIT_CMAKE_FILE})

python_test_codes/test_udp_receiver.py

@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+
+import socket
+import struct
+
+def start_udp_server():
+    sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+    sock.bind(('0.0.0.0', 10101))
+    print("Serveur UDP démarré sur le port 10101")
+
+    while True:
+        data, addr = sock.recvfrom(1024)
+        if len(data) == 2:
+            packet_num, instruction = struct.unpack('BB', data)
+            print(f"Reçu: packet_number={packet_num}, instruction={instruction}")
+
+if __name__ == '__main__':
+    start_udp_server()

python_test_codes/test_udp_send.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+
+import socket
+import time
+import struct
+
+def send_test_packets():
+    sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+    pico_address = ('192.168.128.1', 4243)  # Adresse IP du Pico W
+    
+    packet_number = 0
+    instruction = 0
+    
+    while True:
+        # Créer le message binaire
+        message = struct.pack('BB', packet_number, instruction)
+        sock.sendto(message, pico_address)
+        
+        packet_number = (packet_number + 1) % 256
+        instruction = (instruction + 1) % 256
+        
+        time.sleep(3.5)
+        
+if __name__ == '__main__':
+    send_test_packets()

src/lwipopts.h

@@ -0,0 +1,97 @@
+#ifndef _LWIPOPTS_EXAMPLE_COMMONH_H
+#define _LWIPOPTS_EXAMPLE_COMMONH_H
+
+
+// Common settings used in most of the pico_w examples
+// (see https://www.nongnu.org/lwip/2_1_x/group__lwip__opts.html for details)
+
+// allow override in some examples
+#ifndef NO_SYS
+#define NO_SYS                      1
+#endif
+// allow override in some examples
+#ifndef LWIP_SOCKET
+#define LWIP_SOCKET                 0
+#endif
+#if PICO_CYW43_ARCH_POLL
+#define MEM_LIBC_MALLOC             1
+#else
+// MEM_LIBC_MALLOC is incompatible with non polling versions
+#define MEM_LIBC_MALLOC             0
+#endif
+#define MEM_ALIGNMENT               4
+#ifndef MEM_SIZE
+#define MEM_SIZE                    32768          // Augmenté pour plus de mémoire disponible
+#endif
+#define MEMP_NUM_TCP_SEG            32
+#define MEMP_NUM_ARP_QUEUE          10
+#define PBUF_POOL_SIZE              32              // Augmenté pour réduire les allocations
+#define LWIP_ARP                    1
+#define LWIP_ETHERNET               1
+#define LWIP_ICMP                   1
+#define LWIP_RAW                    1
+#define TCP_WND                     (16 * TCP_MSS)  // Augmenté pour de meilleures performances
+#define TCP_MSS                     1460
+#define TCP_SND_BUF                 (8 * TCP_MSS)   // Augmenté pour de meilleures performances
+#define TCP_SND_QUEUELEN            ((4 * (TCP_SND_BUF) + (TCP_MSS - 1)) / (TCP_MSS))
+#define LWIP_NETIF_STATUS_CALLBACK  1
+#define LWIP_NETIF_LINK_CALLBACK    1
+#define LWIP_NETIF_HOSTNAME         1
+#define LWIP_NETCONN                0
+#define MEM_STATS                   0
+#define SYS_STATS                   0
+#define MEMP_STATS                  0
+#define LINK_STATS                  0
+// #define ETH_PAD_SIZE                2
+#define LWIP_CHKSUM_ALGORITHM       3
+#define LWIP_DHCP                   1
+#define LWIP_DHCP_SERVER            1
+#define LWIP_IPV4                   1
+#define LWIP_TCP                    1
+#define LWIP_UDP                    1
+#define LWIP_DNS                    1
+#define LWIP_TCP_KEEPALIVE          1
+#define LWIP_NETIF_TX_SINGLE_PBUF   1
+#define DHCP_DOES_ARP_CHECK         0
+#define LWIP_DHCP_DOES_ACD_CHECK    0
+
+#ifndef NDEBUG
+#define LWIP_DEBUG                  1
+#define LWIP_STATS                  1
+#define LWIP_STATS_DISPLAY          1
+#endif
+
+#define ETHARP_DEBUG                LWIP_DBG_OFF
+#define NETIF_DEBUG                 LWIP_DBG_OFF
+#define PBUF_DEBUG                  LWIP_DBG_OFF
+#define API_LIB_DEBUG               LWIP_DBG_OFF
+#define API_MSG_DEBUG               LWIP_DBG_OFF
+#define SOCKETS_DEBUG               LWIP_DBG_OFF
+#define ICMP_DEBUG                  LWIP_DBG_OFF
+#define INET_DEBUG                  LWIP_DBG_OFF
+#define IP_DEBUG                    LWIP_DBG_OFF
+#define IP_REASS_DEBUG              LWIP_DBG_OFF
+#define RAW_DEBUG                   LWIP_DBG_OFF
+#define MEM_DEBUG                   LWIP_DBG_OFF
+#define MEMP_DEBUG                  LWIP_DBG_OFF
+#define SYS_DEBUG                   LWIP_DBG_OFF
+#define TCP_DEBUG                   LWIP_DBG_OFF
+#define TCP_INPUT_DEBUG             LWIP_DBG_OFF
+#define TCP_OUTPUT_DEBUG            LWIP_DBG_OFF
+#define TCP_RTO_DEBUG               LWIP_DBG_OFF
+#define TCP_CWND_DEBUG              LWIP_DBG_OFF
+#define TCP_WND_DEBUG               LWIP_DBG_OFF
+#define TCP_FR_DEBUG                LWIP_DBG_OFF
+#define TCP_QLEN_DEBUG              LWIP_DBG_OFF
+#define TCP_RST_DEBUG               LWIP_DBG_OFF
+#define UDP_DEBUG                   LWIP_DBG_OFF
+#define TCPIP_DEBUG                 LWIP_DBG_OFF
+#define PPP_DEBUG                   LWIP_DBG_OFF
+#define SLIP_DEBUG                  LWIP_DBG_OFF
+#define DHCP_DEBUG                  LWIP_DBG_OFF
+
+#define SYS_LIGHTWEIGHT_PROT       1  // Protection pour le multicore
+#define MEMP_NUM_PBUF              32  // Augmenté pour les buffers
+#define ICMP_TTL                   255 // Augmenté pour la fiabilité
+
+#endif /* __LWIPOPTS_H__ */

src/test_connection.c

@@ -0,0 +1,120 @@
+// Necessary includes from the Pico SDK
+#include <pico/stdio.h>
+#include <stdio.h>
+#include "pico/cyw43_arch.h"
+
+// Custom libraries includes
+#include "wifi_operator/wifi_operator.h"
+#include "udp/udp_client.h"
+#include "udp/udp_server.h"
+
+// Multicore includes to limit latency on packet reception on core 0
+#include "pico/multicore.h"
+#include "hardware/irq.h"
+#include "hardware/sync.h"
+#include "pico/mutex.h"
+
+#define UART_ID uart0
+#define BAUD_RATE 115200
+#define UART_TX_PIN 0 // GP0
+#define UART_RX_PIN 1 // GP1
+#define UDP_SERVER_PORT 4242
+#define UDP_CLIENT_PORT 4243
+
+// Ajouter ces defines en haut du fichier
+#define TARGET_IP "192.168.128.2"  // IP de votre PC
+#define TARGET_PORT 10101          // Port sur lequel votre PC écoute
+
+// Access Point configuration
+#define AP_SSID "PicoW_AP"
+#define AP_PASSWORD "password123"
+#define AP_CHANNEL 13
+
+// Déclarer le mutex comme variable globale
+auto_init_mutex(wifi_mutex);
+
+// En haut du fichier, après les includes existants
+#define BUFFER_SIZE 1024
+
+void custom_message_callback(uint8_t packet_number, uint8_t instruction, const ip_addr_t *addr, u16_t port)
+{
+    printf("Core0: Received: packet=%d, instruction=%d, from %s:%d\n", packet_number, instruction, ipaddr_ntoa(addr), port);
+
+    //making the led blink twice in 0.1s
+    for (int i = 0; i < 2; i++)
+    {
+        cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, true);
+        sleep_ms(25);
+        cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, false);
+        sleep_ms(25);
+    }
+}
+
+void core1_entry()
+{
+    int diodeState = 0;
+    udp_server_init(UDP_SERVER_PORT);  // Uniquement le serveur sur core 1
+
+    uint8_t buffer[2];
+    uint8_t *packet_number = &buffer[0];
+    uint8_t *instruction = &buffer[1];
+
+    printf("Core1: Starting UDP server on port %d\n", UDP_SERVER_PORT);
+
+    while(true)
+    {
+        mutex_enter_blocking(&wifi_mutex);
+        cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, diodeState); // Update LED
+        udp_server_send(buffer, sizeof(buffer), TARGET_IP, TARGET_PORT); // Send message
+        mutex_exit(&wifi_mutex);
+
+        // Increment counters
+        *packet_number = (*packet_number + 1) % 256;
+        *instruction = (*instruction + 1) % 256;
+
+        diodeState = !diodeState;
+
+        sleep_ms(2000);
+    }
+}
+
+int main()
+{
+    stdio_init_all();
+
+    sleep_ms(2000);
+
+    puts("Pi Starting...");
+
+    if(cyw43_arch_init())
+    {
+        puts("WiFi init failed !");
+        return -1;
+    }
+
+    multicore_launch_core1(core1_entry);
+
+    puts("WiFi is configuring...");
+
+    mutex_enter_blocking(&wifi_mutex);
+    wifi_operator_init_ap_mode(AP_SSID, AP_PASSWORD, AP_CHANNEL);
+    mutex_exit(&wifi_mutex);
+
+    puts("WiFi configured !");
+
+    // Starts UDP client on core 0
+    udp_client_init(UDP_CLIENT_PORT, custom_message_callback);
+    // UDP client receive data on port 4243 automatically and execute the message callback on each receptions
+    puts("UDP client started on core 0 !");
+
+    while(true)
+    {
+        mutex_enter_blocking(&wifi_mutex);
+        cyw43_arch_poll();
+        mutex_exit(&wifi_mutex);
+
+        tight_loop_contents();
+    }
+
+    udp_client_exit(); // Hehehe, I know you could forgot this one
+}

src/udp/udp_client.c

@@ -0,0 +1,62 @@
+#include "udp_client.h"
+
+#include <stdio.h>
+
+udp_client_t udp_client;
+
+static inline void handle_receive(struct pbuf *p, const ip_addr_t *addr, u16_t port)
+{
+    if(p->len >= 2)
+    {
+        uint8_t packet_number = ((uint8_t*)p->payload)[0];
+        uint8_t instruction = ((uint8_t*)p->payload)[1];
+
+        udp_client.message_callback(packet_number, instruction, addr, port);
+    }
+
+    pbuf_free(p);
+}
+
+static inline void udp_receive_callback(void *arg, struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *addr, u16_t port)
+{
+    udp_client = *(udp_client_t *)&arg;
+    handle_receive(p, addr, port);
+}
+
+// Default callback func
+static void default_message_callback(uint8_t packet_number, uint8_t instruction, const ip_addr_t *addr, u16_t port)
+{
+    printf("Reçu: packet=%d, instruction=%d depuis %s:%d\n", packet_number, instruction, ipaddr_ntoa(addr), port);
+}
+
+void udp_client_init(int port, message_callback_t callback)
+{
+    udp_client.message_callback = callback ? callback : default_message_callback;
+
+    udp_client.pcb = udp_new();
+    if(udp_client.pcb == NULL)
+    {
+        puts("Error creating UDP client");
+        return;
+    }
+
+    udp_recv(udp_client.pcb, udp_receive_callback, &udp_client);
+
+    err_t err = udp_bind(udp_client.pcb, IP_ADDR_ANY, port);
+    if(err != ERR_OK)
+    {
+        printf("Erreur bind UDP client: %d\n", err);
+        return;
+    }
+
+    printf("UDP client started on port %d\n", port);
+}
+
+void udp_client_exit(void)
+{
+    if(udp_client.pcb)
+    {
+        udp_remove(udp_client.pcb);
+        udp_client.pcb = NULL;
+    }
+}

src/udp/udp_client.h

@@ -0,0 +1,26 @@
+#ifndef UDP_CLIENT_H
+#define UDP_CLIENT_H
+
+#include <stdint.h>
+#include "lwip/udp.h"
+
+#define BUFFER_SIZE 1024
+
+// Message callback deffinition
+typedef void (*message_callback_t)(uint8_t packet_number, uint8_t instruction, const ip_addr_t *addr, uint16_t port);
+
+// Data in here is used by the hardware
+typedef struct udp_client_t {
+    struct udp_pcb *pcb;                // Like this
+    ip_addr_t local_addr;               // Or this
+    uint16_t local_port;                // So don't remove them, even if they are not used explicitely in the program
+    uint8_t recv_buffer[BUFFER_SIZE];   // Please (Not even change their position)
+    message_callback_t message_callback;
+} udp_client_t;
+
+// Init udp client, set callback to NULL for the default callback
+void udp_client_init(int port, message_callback_t callback);
+// Exit udp client
+void udp_client_exit(void);
+
+#endif // UDP_CLIENT_H

src/udp/udp_server.c

@@ -0,0 +1,87 @@
+#include "udp_server.h"
+
+#include <stdio.h>
+#include "pico/cyw43_arch.h"
+#include "lwip/def.h"
+
+udp_server_t udp_server;
+
+void udp_server_init(int port)
+{
+    udp_server.pcb = udp_new();
+    if(!udp_server.pcb)
+    {
+        puts("Error creating UDP server");
+        return;
+    }
+
+    err_t err = udp_bind(udp_server.pcb, IP_ADDR_ANY, port);
+    if(err != ERR_OK)
+    {
+        printf("Error binding UDP server: %d\n", err);
+        return;
+    }
+}
+
+void udp_server_exit(void)
+{
+    if(udp_server.pcb)
+    {
+        udp_remove(udp_server.pcb);
+        udp_server.pcb = NULL;
+    }
+}
+
+void udp_server_send(const uint8_t *data, size_t length, const char *ip, uint16_t port)
+{
+    ip4addr_aton(ip, &udp_server.remote_addr);
+    udp_server.remote_port = port;
+
+    // Nombre maximum de tentatives
+    const int MAX_RETRIES = 3;
+    uint tries = 0;
+
+    while(tries < MAX_RETRIES)
+    {
+        struct pbuf *p = pbuf_alloc(PBUF_TRANSPORT, length, PBUF_RAM);
+        if(p == NULL)
+        {
+            printf("Try %d - Error allocating pbuf\n", ++tries);
+            sleep_ms(100);  // Wait before retry
+            continue;
+        }
+
+        memcpy(p->payload, (char *)data, length);
+        err_t err = udp_sendto(udp_server.pcb, p, &udp_server.remote_addr, udp_server.remote_port);
+        pbuf_free(p);
+
+        if (err == ERR_OK)
+        {
+            return;  // Succès
+        }
+        else
+        {
+            const char* error_msg;
+
+            switch(err)
+            {
+              case ERR_MEM:
+                error_msg = "Insuficient memory";
+                break;
+
+              case ERR_BUF:
+                error_msg = "Buffer full";
+                break;
+
+              default:
+                error_msg = "Unknown error";
+            }
+
+            printf("Try %d - Error send UDP: %d (%s)\n", ++tries, err, error_msg);
+
+            sleep_ms(100);  // Wait before retry
+        }
+    }
+
+    printf("Error sending data after %d tries...\n", retry);
+}

src/udp/udp_server.h

@@ -0,0 +1,17 @@
+#ifndef UDP_SERVER_H
+#define UDP_SERVER_H
+
+#include <stdint.h>
+#include "lwip/udp.h"
+
+typedef struct udp_server_t {
+    struct udp_pcb *pcb;
+    ip_addr_t remote_addr;
+    uint16_t remote_port;
+} udp_server_t;
+
+void udp_server_init(int port);
+void udp_server_exit(void);
+void udp_server_send(const uint8_t *data, size_t length, const char *ip, uint16_t port);
+
+#endif // UDP_SERVER_H

src/wifi_operator/wifi_operator.c

@@ -0,0 +1,69 @@
+#include "wifi_operator.h"
+
+#include <stdio.h>
+#include "pico/cyw43_arch.h"
+#include "lwip/netif.h"
+#include "lwip/ip4_addr.h"
+
+void wifi_operator_init_ap_mode(const char *ssid, const char *password, int channel)
+{
+    cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, 1);
+
+    // Configuration IP pour le mode AP
+    ip4_addr_t ip, netmask, gateway;
+    IP4_ADDR(&ip, 192, 168, 128, 1);
+    IP4_ADDR(&netmask, 255, 255, 255, 0);
+    IP4_ADDR(&gateway, 192, 168, 128, 1);
+
+    puts("WiFi is configuring...");
+
+    // Désactiver le mode d'économie d'énergie
+    cyw43_wifi_pm(&cyw43_state, CYW43_NO_POWERSAVE_MODE);
+
+    // Activer le mode AP
+    cyw43_arch_enable_ap_mode(ssid, password, CYW43_AUTH_WPA2_AES_PSK);
+
+    // Attendre que l'interface soit prête
+    int retry = 0;
+    while (netif_default == NULL && retry < 10)
+    {
+        sleep_ms(500);
+        retry++;
+    }
+
+    if (netif_default == NULL)
+    {
+        puts("Error: wireless interface not initialised");
+        return;
+    }
+
+    // Configuration du canal WiFi
+    cyw43_wifi_ap_set_channel(&cyw43_state, channel);
+
+    // Configuration de l'interface réseau
+    netif_set_up(netif_default);
+    netif_set_link_up(netif_default);
+    netif_set_addr(netif_default, &ip, &netmask, &gateway);
+
+    puts("IP configuration ended !");
+    puts("Access point activated !");
+    printf("SSID : %s\n", ssid);
+    printf("Password : %s\n", password);
+    printf("Channel : %d\n", channel);
+}
+
+void wifi_operator_init(const char *ssid, const char *password)
+{
+    // Mode client
+    cyw43_arch_enable_sta_mode();
+    cyw43_arch_wifi_connect_timeout_ms(ssid, password, CYW43_AUTH_WPA2_AES_PSK, 30000);
+    puts("Connexion au réseau Wi-Fi...");
+    int status = cyw43_wifi_link_status(&cyw43_state, CYW43_ITF_STA);
+    while (status != CYW43_LINK_UP)
+    {
+        sleep_ms(500);
+        puts("Connexion en cours...");
+        status = cyw43_wifi_link_status(&cyw43_state, CYW43_ITF_STA);
+    }
+    puts("Connexion établie!");
+}

src/wifi_operator/wifi_operator.h

@@ -0,0 +1,8 @@
+#ifndef WIFI_OPERATOR_H
+#define WIFI_OPERATOR_H
+
+void wifi_operator_init_ap_mode(const char *ssid, const char *password, int channel);
+
+void wifi_operator_init(const char *ssid, const char *password);
+
+#endif // WIFI_OPERATOR_H