Reception d'un paquet UDP: OK

.vscode/tasks.json

@@ -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": {

CMakeLists.txt

@@ -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)

Wifi.c

@@ -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
+}

Wifi.h

@@ -0,0 +1,2 @@
+int Wifi_init(void);
+void Wifi_udp_send_string(char * message);

lwipopts.h

@@ -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

lwipopts_examples_common.h

@@ -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__ */

main.c

@@ -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':

wifi_settings.h

@@ -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"*/

wifi_settings.h.default

@@ -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"