Working udp client and station mode

.vscode/tasks.json

@@ -0,0 +1,37 @@
+{
+    "tasks": [
+        {
+            "label": "CMake & Make",
+            "type": "shell",
+            "group": "build",
+
+            "command": "mkdir -p build && cd build && cmake ../ && make",
+
+            "presentation": {
+                "echo": true,
+                "reveal": "always",
+                "focus": true,
+                "panel": "shared",
+                "showReuseMessage": true,
+                "clear": true
+            }
+        },
+        {
+            "label": "CMake & Make & Flash",
+            "type": "shell",
+            "group": "build",
+
+            "command": "mkdir -p build && cd build && cmake ../ && make Flash",
+
+            "presentation": {
+                "echo": true,
+                "reveal": "always",
+                "focus": true,
+                "panel": "shared",
+                "showReuseMessage": true,
+                "clear": true
+            }
+        }
+    ],
+    "version": "2.0.0"
+}

CMakeLists.txt

@@ -1,36 +1,29 @@
 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()
 
+include(pico_sdk_import.cmake)
+
+project(PicoWCommLib C CXX ASM)
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
+
 pico_sdk_init()
 
 add_executable(PicoWCommLib
-  src/test_connection.c
+  src/main.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
 )
 

compilAndFlash.sh

@@ -1,33 +0,0 @@
-#!/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

@@ -3,6 +3,28 @@
 # This can be dropped into an external project to help locate this SDK
 # It should be include()ed prior to project()
 
+# Copyright 2020 (c) 2020 Raspberry Pi (Trading) Ltd.
+#
+# Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
+# following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
+# disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
+# disclaimer in the documentation and/or other materials provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products
+# derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
 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}')")
@@ -18,9 +40,20 @@ if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_PATH} AND (NOT PICO_SDK_FETCH_FROM_GIT_P
     message("Using PICO_SDK_FETCH_FROM_GIT_PATH from environment ('${PICO_SDK_FETCH_FROM_GIT_PATH}')")
 endif ()
 
+if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_TAG} AND (NOT PICO_SDK_FETCH_FROM_GIT_TAG))
+    set(PICO_SDK_FETCH_FROM_GIT_TAG $ENV{PICO_SDK_FETCH_FROM_GIT_TAG})
+    message("Using PICO_SDK_FETCH_FROM_GIT_TAG from environment ('${PICO_SDK_FETCH_FROM_GIT_TAG}')")
+endif ()
+
+if (PICO_SDK_FETCH_FROM_GIT AND NOT PICO_SDK_FETCH_FROM_GIT_TAG)
+  set(PICO_SDK_FETCH_FROM_GIT_TAG "master")
+  message("Using master as default value for PICO_SDK_FETCH_FROM_GIT_TAG")
+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 "${PICO_SDK_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download SDK")
+set(PICO_SDK_FETCH_FROM_GIT_TAG "${PICO_SDK_FETCH_FROM_GIT_TAG}" CACHE FILEPATH "release tag for SDK")
 
 if (NOT PICO_SDK_PATH)
     if (PICO_SDK_FETCH_FROM_GIT)
@@ -32,11 +65,37 @@ if (NOT PICO_SDK_PATH)
         FetchContent_Declare(
                 pico_sdk
                 GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
-                GIT_TAG master
+                GIT_TAG ${PICO_SDK_FETCH_FROM_GIT_TAG}
         )
+
         if (NOT pico_sdk)
             message("Downloading Raspberry Pi Pico SDK")
-            FetchContent_Populate(pico_sdk)
+            # GIT_SUBMODULES_RECURSE was added in 3.17
+            if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.17.0")
+                FetchContent_Populate(
+                        pico_sdk
+                        QUIET
+                        GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
+                        GIT_TAG ${PICO_SDK_FETCH_FROM_GIT_TAG}
+                        GIT_SUBMODULES_RECURSE FALSE
+
+                        SOURCE_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-src
+                        BINARY_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-build
+                        SUBBUILD_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-subbuild
+                )
+            else ()
+                FetchContent_Populate(
+                        pico_sdk
+                        QUIET
+                        GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
+                        GIT_TAG ${PICO_SDK_FETCH_FROM_GIT_TAG}
+
+                        SOURCE_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-src
+                        BINARY_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-build
+                        SUBBUILD_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-subbuild
+                )
+            endif ()
+
             set(PICO_SDK_PATH ${pico_sdk_SOURCE_DIR})
         endif ()
         set(FETCHCONTENT_BASE_DIR ${FETCHCONTENT_BASE_DIR_SAVE})

python_test_codes/test_udp_receiver.py

@@ -1,18 +0,0 @@
-#!/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

@@ -4,22 +4,18 @@ import socket
 import time
 import struct
 
-def send_test_packets():
+sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
-    sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+pico_address = ('255.255.255.255', 4243)
-    pico_address = ('192.168.128.1', 4243)  # Adresse IP du Pico W
 
-    packet_number = 0
+packet_number = 0
-    instruction = 0
+instruction = 0
 
-    while True:
+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
-        
+    print("Sended")
     time.sleep(3.5)
-        
-if __name__ == '__main__':
-    send_test_packets()

src/lwipopts.h

@@ -21,18 +21,18 @@
 #endif
 #define MEM_ALIGNMENT               4
 #ifndef MEM_SIZE
-#define MEM_SIZE                    32768          // Augmenté pour plus de mémoire disponible
+#define MEM_SIZE                    4000
 #endif
 #define MEMP_NUM_TCP_SEG            32
 #define MEMP_NUM_ARP_QUEUE          10
-#define PBUF_POOL_SIZE              32              // Augmenté pour réduire les allocations
+#define PBUF_POOL_SIZE              24
 #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_WND                     (8 * TCP_MSS)
 #define TCP_MSS                     1460
-#define TCP_SND_BUF                 (8 * TCP_MSS)   // Augmenté pour de meilleures performances
+#define TCP_SND_BUF                 (8 * TCP_MSS)
 #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
@@ -45,7 +45,6 @@
 // #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
@@ -90,8 +89,4 @@
 #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/main.c

@@ -0,0 +1,122 @@
+// Necessary includes from the Pico SDK
+#include <pico/stdio.h>
+#include <stdio.h>
+#include <pico/cyw43_arch.h>
+#include <lwip/udp.h>
+#include <time.h>
+
+#define SSID "thinkpad-T440p"
+#define PASSWORD "CDuKaka2000!"
+
+#define PORT 4243
+
+static void udp_recv_callback(void *arg, struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *addr, u16_t port)
+{
+    puts("Callback");
+
+    if(p->len == 1)
+    {
+        printf("a:%d\n", ((uint8_t *)p->payload)[0]);
+    }
+    pbuf_free(p);
+}
+
+int main()
+{
+    stdio_init_all();
+
+    sleep_ms(2000);
+
+    puts("Pi Starting...");
+
+    if(cyw43_arch_init_with_country(CYW43_COUNTRY_FRANCE))
+    {
+        puts("CYW43 arch init failed");
+        return -1;
+    }
+
+    cyw43_arch_enable_sta_mode();
+    cyw43_wifi_pm(&cyw43_state, CYW43_NO_POWERSAVE_MODE);
+
+    puts("CYW43 arch initialized");
+
+    for(int error_code = 1; error_code; )
+    {
+        puts("WiFi connection attempt");
+
+        error_code = cyw43_arch_wifi_connect_timeout_ms(SSID, PASSWORD, CYW43_AUTH_WPA2_AES_PSK, 10000);
+
+        if(error_code)
+        {
+            const char *error_message;
+
+            switch(error_code)
+            {
+              case PICO_ERROR_TIMEOUT:
+                error_message = "Timeout reached";
+                break;
+
+              case PICO_ERROR_BADAUTH:
+                error_message = "Bad password";
+                break;
+
+              case PICO_ERROR_CONNECT_FAILED:
+                error_message = "Some reason";
+                break;
+            }
+
+            printf("Connection failed : %s\n", error_message);
+        }
+    }
+
+    puts("WiFi connected");
+
+    struct udp_pcb *pcb = udp_new();
+
+    if(!pcb)
+    {
+        puts("UDP pcb init failed");
+        return -1;
+    }
+
+    udp_recv(pcb, udp_recv_callback, NULL);
+
+    udp_bind(pcb, IP4_ADDR_ANY, PORT);
+
+    // ========================== Main loop ==========================
+    while(true)
+    {
+        cyw43_arch_poll();
+
+        int ret = cyw43_wifi_link_status(&cyw43_state, CYW43_ITF_STA);
+        if(ret != CYW43_LINK_JOIN)
+        {
+            const char *status_message;
+            switch(ret)
+            {
+              case CYW43_LINK_DOWN:
+                status_message = "WiFi down";
+                break;
+
+              case CYW43_LINK_JOIN:
+                status_message = "WiFi up";
+                break;
+
+              case CYW43_LINK_FAIL:
+                status_message = "WiFi connection failed";
+                break;
+
+              case CYW43_LINK_NONET:
+                status_message = "Network not found";
+                break;
+
+              case CYW43_LINK_BADAUTH:
+                status_message = "Bad auth";
+                break;
+            }
+            puts(status_message);
+        }
+
+        tight_loop_contents();
+    }
+}

src/test_connection.c

@@ -1,120 +0,0 @@
-// 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

@@ -1,62 +0,0 @@
-#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 void udp_receive_callback(void *arg, struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *addr, u16_t port)
-{
-    udp_client_t *udp_client_received_data = (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

@@ -1,26 +0,0 @@
-#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

@@ -1,87 +0,0 @@
-#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", tries);
-}

src/udp/udp_server.h

@@ -1,17 +0,0 @@
-#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

@@ -1,69 +0,0 @@
-#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

@@ -1,8 +0,0 @@
-#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