Reception d'un paquet UDP: OK

This commit is contained in:
Samuel 2026-05-18 18:49:49 +02:00
parent 898dd0a153
commit 38b847bf24
9 changed files with 231 additions and 10 deletions

4
.vscode/tasks.json vendored
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@ -2,7 +2,7 @@
"tasks": [
{
"type": "shell",
"command": "cd build; cmake ../; make",
"command": "mkdir -p build; cd build; cmake ../ -DPICO_BOARD=pico_w; make",
"label": "CMake in build/",
"problemMatcher": [],
"group": {
@ -12,7 +12,7 @@
},
{
"type": "shell",
"command": "cd build; cmake ../; make Flash",
"command": "cd build; cmake ../ -DPICO_BOARD=pico_w; make Flash",
"label": "CMake & Make & Flash",
"problemMatcher": [],
"group": {

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@ -39,12 +39,14 @@ add_executable(Mon_Projet
VL53L8CX_ULD_API/src/vl53l8cx_plugin_motion_indicator.c
VL53L8CX_ULD_API/src/vl53l8cx_plugin_xtalk.c
VL53L8_2024.c
Wifi.c
Platform/platform.c
)
pico_generate_pio_header(Mon_Projet ${CMAKE_CURRENT_LIST_DIR}/quadrature_encoder.pio)
target_include_directories(Mon_Projet PRIVATE VL53L8CX_ULD_API/inc/)
target_include_directories(Mon_Projet PRIVATE ${CMAKE_CURRENT_LIST_DIR})
target_link_libraries(Mon_Projet
hardware_adc
@ -53,6 +55,7 @@ target_link_libraries(Mon_Projet
hardware_pio
pico_stdlib
pico_multicore
pico_cyw43_arch_lwip_threadsafe_background
)
pico_enable_stdio_usb(Mon_Projet 1)

96
Wifi.c Normal file
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@ -0,0 +1,96 @@
#include "pico/cyw43_arch.h"
// Si le fichier n'existe pas, créez-le à partir du modèle "wifi_settings.h.default"
#include "wifi_settings.h"
#define BEACON_MSG_LEN_MAX 500
#define UDP_CLIENT_PORT 1234
struct udp_pcb* pcb;
struct udp_pcb * pcb_r;
ip_addr_t addr;
void udp_receive_callback(void *arg, struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *addr, u16_t port){
printf("UDP callback !\n");
printf("IP: %d.%d.%d.%d, port %d\n", (addr->addr >>24) & 0xFF, (addr->addr >>16) & 0xFF, (addr->addr >>8) & 0xFF, addr->addr & 0xFF, port);
printf("Taille:%d\n", p->len);
printf("Contenu: ");
for(int i=0; i < p->len; i++){
printf("%c", ((char*)p->payload)[i]);
}
printf("\n");
}
int UDP_client_init(void){
pcb_r = udp_new();
if(pcb_r == NULL)
{
puts("Error creating UDP client");
return -1;
}
udp_recv(pcb_r, udp_receive_callback, NULL);
err_t err = udp_bind(pcb_r, IP_ADDR_ANY, UDP_CLIENT_PORT);
if(err)
{
printf("Error binding UDP client: %d\n", err);
return -1;
}
printf("UDP client started on port %d\n", UDP_CLIENT_PORT);
}
int Wifi_init(void){
if (cyw43_arch_init()) {
printf("failed to initialise\n");
return 1;
}
cyw43_arch_enable_sta_mode();
printf("Connecting to Wi-Fi...\n");
if (cyw43_arch_wifi_connect_timeout_ms(MY_WIFI_SSID, MY_WIFI_PASSWORD, CYW43_AUTH_WPA2_AES_PSK, 30000)) {
printf("failed to connect.\n");
return 1;
} else {
printf("Connected.\n");
}
pcb = udp_new();
ipaddr_aton(BEACON_TARGET, &addr);
UDP_client_init();
return 0;
}
void Wifi_udp_send_string(char * message){
static int counter = 0;
struct pbuf *p = pbuf_alloc(PBUF_TRANSPORT, BEACON_MSG_LEN_MAX+1, PBUF_RAM);
char *req = (char *)p->payload;
memset(req, 0, BEACON_MSG_LEN_MAX+1);
snprintf(req, BEACON_MSG_LEN_MAX, "%s", message);
err_t er = udp_sendto(pcb, p, &addr, UDP_PORT);
pbuf_free(p);
if (er != ERR_OK) {
printf("Failed to send UDP packet! error=%d", er);
} else {
//printf("Sent packet %d\n", counter);
counter++;
}
// Note in practice for this simple UDP transmitter,
// the end result for both background and poll is the same
#if PICO_CYW43_ARCH_POLL
// if you are using pico_cyw43_arch_poll, then you must poll periodically from your
// main loop (not from a timer) to check for Wi-Fi driver or lwIP work that needs to be done.
cyw43_arch_poll();
#else
// if you are not using pico_cyw43_arch_poll, then WiFI driver and lwIP work
// is done via interrupt in the background. This sleep is just an example of some (blocking)
// work you might be doing.
// sleep_ms(BEACON_INTERVAL_MS);
#endif
}

2
Wifi.h Normal file
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@ -0,0 +1,2 @@
int Wifi_init(void);
void Wifi_udp_send_string(char * message);

10
lwipopts.h Normal file
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@ -0,0 +1,10 @@
#ifndef _LWIPOPTS_H
#define _LWIPOPTS_H
// Generally you would define your own explicit list of lwIP options
// (see https://www.nongnu.org/lwip/2_1_x/group__lwip__opts.html)
//
// This example uses a common include to avoid repetition
#include "lwipopts_examples_common.h"
#endif

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@ -0,0 +1,90 @@
#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
#define MEM_SIZE 4000
#define MEMP_NUM_TCP_SEG 32
#define MEMP_NUM_ARP_QUEUE 10
#define PBUF_POOL_SIZE 24
#define LWIP_ARP 1
#define LWIP_ETHERNET 1
#define LWIP_ICMP 1
#define LWIP_RAW 1
#define TCP_WND (8 * TCP_MSS)
#define TCP_MSS 1460
#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
#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_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
#endif /* __LWIPOPTS_H__ */

19
main.c
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@ -24,6 +24,7 @@
#include "Trajet.h"
#include "VL53L8_2024.h"
#include "vl53l8cx_api.h"
#include "Wifi.h"
#include <stdio.h>
#include <math.h>
#include "QEI.h"
@ -75,6 +76,13 @@ void main(void)
#endif
Localisation_init(get_identifiant());
Trajet_init(get_identifiant());
sleep_ms(3000);
Wifi_init();
sleep_ms(50);
Wifi_udp_send_string("Demarrage:1\n");
Wifi_udp_send_string("test:1\n");
//i2c_maitre_init();
//Servomoteur_Init();
@ -95,9 +103,10 @@ void main(void)
gpio_set_dir(LED1PIN, GPIO_OUT );
gpio_put(LED1PIN, 1);
/*
gpio_init(PICO_DEFAULT_LED_PIN);
gpio_set_dir(PICO_DEFAULT_LED_PIN, GPIO_OUT );
gpio_put(PICO_DEFAULT_LED_PIN, 1);
gpio_put(PICO_DEFAULT_LED_PIN, 1);*/
@ -235,13 +244,7 @@ void main(void)
id_carte = message.donnees[1];
registre = message.donnees[2];
if(id_carte == 'D'){
if(message.donnees[4] > 0 && message.donnees[4] < 30){
//printf("LED ON\n");
gpio_put(PICO_DEFAULT_LED_PIN, 1);
}else{
//printf("LED OFF\n");
gpio_put(PICO_DEFAULT_LED_PIN, 0);
}
}
break;
case 'd':

8
wifi_settings.h Normal file
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@ -0,0 +1,8 @@
#define MY_WIFI_SSID "Poivron"
#define MY_WIFI_PASSWORD "vfS7Kru219vYU3P61D"
#define UDP_PORT 47269
#define BEACON_TARGET "192.168.1.58"
/*#define MY_WIFI_SSID "Livebox-A040"
#define MY_WIFI_PASSWORD "QkqoXCPt6UgvaUAWmq"*/

9
wifi_settings.h.default Normal file
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@ -0,0 +1,9 @@
// Copier ce fichier en "wifi_settings.h" et renseignez vos identifiants WiFi.
// Le port est le port par défaut de Teleplot
// BEACON_TARGET est l'IP ou l'adresse du serveur Teleplot
#define MY_WIFI_SSID "My_SSID"
#define MY_WIFI_PASSWORD "My_WiFi_Password"
#define UDP_PORT 47269
#define BEACON_TARGET "192.168.1.2"