forked from tanchou/Verilog
New Week
This commit is contained in:
Gamenight77
233
Semaine_3/Projet_esp32/esp32_code/Projet_code/ESP32/ESP32.ino
Normal file
233
Semaine_3/Projet_esp32/esp32_code/Projet_code/ESP32/ESP32.ino
Normal file
@@ -0,0 +1,233 @@
|
||||
#include <WiFi.h>
|
||||
#include <WebServer.h>
|
||||
#include "esp_wifi.h"
|
||||
|
||||
const char* ssid = "ESP32-Louis";
|
||||
const char* password = "motdepasse";
|
||||
|
||||
WebServer server(80);
|
||||
|
||||
void handleRoot() {
|
||||
digitalWrite(2,HIGH);
|
||||
wifi_sta_list_t sta_list;
|
||||
esp_wifi_ap_get_sta_list(&sta_list);
|
||||
|
||||
String page = "";
|
||||
page += "<!DOCTYPE html>";
|
||||
page += "<html>";
|
||||
page += "<head>";
|
||||
page += "<title>ESP32</title>";
|
||||
page += "<meta charset=\"UTF-8\">";
|
||||
page += "</head>";
|
||||
page += "<body>";
|
||||
page += "<h1>Appareils connectés à l'ESP32</h1>";
|
||||
page += "<ul>";
|
||||
|
||||
page += "<ul>";
|
||||
|
||||
for (int i = 0; i < sta_list.num; i++) {
|
||||
const wifi_sta_info_t& client = sta_list.sta[i];
|
||||
char macStr[18];
|
||||
snprintf(macStr, sizeof(macStr),
|
||||
"%02X:%02X:%02X:%02X:%02X:%02X",
|
||||
client.mac[0], client.mac[1], client.mac[2],
|
||||
client.mac[3], client.mac[4], client.mac[5]);
|
||||
page += "<li>MAC : ";
|
||||
page += macStr;
|
||||
page += "</li>";
|
||||
}
|
||||
|
||||
page += "</ul>";
|
||||
page += "<p>Nombre total : " + String(sta_list.num) + "</p>";
|
||||
|
||||
page += "</body></html>";
|
||||
|
||||
server.send(200, "text/html", page);
|
||||
digitalWrite(2,LOW);
|
||||
}
|
||||
|
||||
void onClientConnected(WiFiEvent_t event, WiFiEventInfo_t info) {
|
||||
digitalWrite(2, HIGH);
|
||||
|
||||
const wifi_event_ap_staconnected_t* conn = reinterpret_cast<const wifi_event_ap_staconnected_t*>(&info);
|
||||
|
||||
|
||||
byte packet[11]; // 2 header + 1 code + 6 MAC + 1 fin
|
||||
packet[0] = 0x02;
|
||||
packet[1] = 0x02;
|
||||
packet[2] = 0x01;
|
||||
|
||||
// Copier l'adr MAC dans le tableau
|
||||
memcpy(&packet[3], conn->mac, 6);
|
||||
|
||||
packet[9] = 0x1B; // marqueur avant fin
|
||||
packet[10] = 0x03; // fin de trame
|
||||
|
||||
Serial.write(packet, sizeof(packet));
|
||||
digitalWrite(2, LOW);
|
||||
}
|
||||
|
||||
void onClientDisconnected(WiFiEvent_t event, WiFiEventInfo_t info) {
|
||||
digitalWrite(2, HIGH);
|
||||
|
||||
const wifi_event_ap_stadisconnected_t* disc = reinterpret_cast<const wifi_event_ap_stadisconnected_t*>(&info);
|
||||
|
||||
byte packet[12];
|
||||
packet[0] = 0x02;
|
||||
packet[1] = 0x02; // OP_CODE: Connection Update
|
||||
packet[2] = 0x00; // Disconnected
|
||||
|
||||
memcpy(&packet[3], disc->mac, 6); // MAC address
|
||||
|
||||
packet[9] = 0x1B; // marqueur avant fin
|
||||
packet[10] = 0x03; // fin de trame
|
||||
packet[11] = '\n'; // (optionnel, pour debug dans terminal série)
|
||||
|
||||
Serial.write(packet, 11); // <= envoie bien 11 octets, pas 12 (on ne compte pas le \n ici si tu veux l’ignorer)
|
||||
digitalWrite(2, LOW);
|
||||
}
|
||||
|
||||
#define BUFFER_SIZE 64
|
||||
uint8_t rxBuffer[BUFFER_SIZE];
|
||||
uint8_t rxIndex = 0;
|
||||
bool inFrame = false;
|
||||
|
||||
void processCommand(uint8_t* data, int length) {
|
||||
// Vérifie la validité de la trame
|
||||
if (length < 4 || data[0] != 0x02 || data[length - 2] != 0x1B || data[length - 1] != 0x03) {
|
||||
byte packet[] = {0x02, 0x00, 0x03, 0x1B, 0x03}; // Erreur : Trame invalide
|
||||
Serial.write(packet, sizeof(packet));
|
||||
return;
|
||||
}
|
||||
|
||||
uint8_t type = data[1];
|
||||
|
||||
switch (type) {
|
||||
|
||||
case 0x01: { // Wi-Fi State
|
||||
bool wifiUp = WiFi.status() == WL_CONNECTED;
|
||||
byte packet[] = {0x02, 0x01, wifiUp ? 0x01 : 0x00, 0x1B, 0x03};
|
||||
Serial.write(packet, sizeof(packet));
|
||||
break;
|
||||
}
|
||||
|
||||
case 0x03: { // Request Connected Devices
|
||||
wifi_sta_list_t staList;
|
||||
if (esp_wifi_ap_get_sta_list(&staList) == ESP_OK) {
|
||||
byte packet[3 + 1 + 6 * 10 + 2]; // max 10 clients
|
||||
uint8_t index = 0;
|
||||
packet[index++] = 0x02;
|
||||
packet[index++] = 0x04;
|
||||
packet[index++] = staList.num; // LEN
|
||||
|
||||
for (int i = 0; i < staList.num; i++) {
|
||||
memcpy(&packet[index], staList.sta[i].mac, 6);
|
||||
index += 6;
|
||||
}
|
||||
|
||||
packet[index++] = 0x1B;
|
||||
packet[index++] = 0x03;
|
||||
|
||||
Serial.write(packet, index);
|
||||
} else {
|
||||
byte error[] = {0x02, 0x00, 0x02, 0x1B, 0x03}; // Erreur : args
|
||||
Serial.write(error, sizeof(error));
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
case 0x05: { // Send Message
|
||||
if (length < 12) {
|
||||
byte packet[] = {0x02, 0x00, 0x02, 0x1B, 0x03}; // args error
|
||||
Serial.write(packet, sizeof(packet));
|
||||
break;
|
||||
}
|
||||
|
||||
uint8_t* mac = &data[2];
|
||||
uint8_t msgLen = data[8];
|
||||
|
||||
if (length != 9 + msgLen + 2) {
|
||||
byte packet[] = {0x02, 0x00, 0x04, 0x1B, 0x03}; // too long trame
|
||||
Serial.write(packet, sizeof(packet));
|
||||
break;
|
||||
}
|
||||
|
||||
// Ici tu pourrais ajouter une logique pour router le message au bon appareil (plus tard)
|
||||
// ACK possible :
|
||||
byte ack[] = {0x02, 0x04, 0x01, 0x1B, 0x03}; // ACK
|
||||
Serial.write(ack, sizeof(ack));
|
||||
break;
|
||||
}
|
||||
|
||||
default: {
|
||||
byte packet[] = {0x02, 0x00, 0x01, 0x1B, 0x03}; // Erreur : commande inconnue
|
||||
Serial.write(packet, sizeof(packet));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void setup() {
|
||||
Serial.begin(115200);
|
||||
if (!WiFi.softAP(ssid, password)) {
|
||||
byte packet[] = {0x02, 0x01, 0x00, 0x03};
|
||||
Serial.write(packet, sizeof(packet));
|
||||
}
|
||||
|
||||
WiFi.onEvent(onClientConnected, ARDUINO_EVENT_WIFI_AP_STACONNECTED);
|
||||
WiFi.onEvent(onClientDisconnected, ARDUINO_EVENT_WIFI_AP_STADISCONNECTED);
|
||||
|
||||
delay(1000); // Donne un peu de temps pour démarrer le WiFi
|
||||
|
||||
server.on("/", handleRoot);
|
||||
server.begin();
|
||||
|
||||
pinMode(2, OUTPUT);
|
||||
|
||||
byte packet[] = {0x02, 0x01, 0x01, 0x03};
|
||||
Serial.write(packet, sizeof(packet));
|
||||
|
||||
}
|
||||
|
||||
void loop() {
|
||||
server.handleClient();
|
||||
|
||||
bool escaping = false;
|
||||
|
||||
while (Serial.available()) {
|
||||
uint8_t b = Serial.read();
|
||||
|
||||
if (!inFrame) {
|
||||
if (b == 0x02) {
|
||||
inFrame = true;
|
||||
rxIndex = 0;
|
||||
rxBuffer[rxIndex++] = b;
|
||||
}
|
||||
continue;
|
||||
}
|
||||
|
||||
if (escaping) {
|
||||
if (rxIndex < BUFFER_SIZE) {
|
||||
rxBuffer[rxIndex++] = b;
|
||||
}
|
||||
escaping = false;
|
||||
continue;
|
||||
}
|
||||
|
||||
if (b == 0x1B) {
|
||||
escaping = true;
|
||||
} else if (b == 0x03) {
|
||||
rxBuffer[rxIndex++] = b;
|
||||
processCommand(rxBuffer, rxIndex);
|
||||
inFrame = false;
|
||||
rxIndex = 0;
|
||||
} else {
|
||||
if (rxIndex < BUFFER_SIZE) {
|
||||
rxBuffer[rxIndex++] = b;
|
||||
} else {
|
||||
inFrame = false;
|
||||
rxIndex = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
28
Semaine_3/Projet_esp32/esp32_code/Projet_code/esp32_read.py
Normal file
28
Semaine_3/Projet_esp32/esp32_code/Projet_code/esp32_read.py
Normal file
@@ -0,0 +1,28 @@
|
||||
import serial
|
||||
|
||||
def main():
|
||||
try:
|
||||
with serial.Serial('COM5', 115200, timeout=1) as ser:
|
||||
buffer = []
|
||||
while True:
|
||||
byte = ser.read(1)
|
||||
if byte:
|
||||
value = byte[0]
|
||||
buffer.append(value)
|
||||
print(f"Reçu: {value:#04x}")
|
||||
|
||||
# Vérifie début de trame
|
||||
if len(buffer) == 1 and buffer[0] != 0x02:
|
||||
buffer.clear()
|
||||
|
||||
# Vérifie fin de trame
|
||||
if len(buffer) >= 3 and buffer[-2] == 0x1B and buffer[-1] == 0x03:
|
||||
print("\n=== Trame complète reçue ===")
|
||||
print("Trame :", ' '.join(f"{b:#04x}" for b in buffer))
|
||||
print("=============================\n")
|
||||
buffer.clear()
|
||||
except serial.SerialException as e:
|
||||
print("Erreur de port série :", e)
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
@@ -0,0 +1,54 @@
|
||||
import serial
|
||||
|
||||
def read_frame(ser):
|
||||
frame = []
|
||||
in_frame = False
|
||||
|
||||
while True:
|
||||
byte = ser.read()
|
||||
if not byte:
|
||||
continue
|
||||
b = byte[0]
|
||||
if not in_frame:
|
||||
if b == 0x02:
|
||||
frame = [b]
|
||||
in_frame = True
|
||||
else:
|
||||
frame.append(b)
|
||||
if len(frame) >= 2 and frame[-2] == 0x1B and frame[-1] == 0x03:
|
||||
return frame
|
||||
|
||||
def interpret_frame(frame):
|
||||
if len(frame) < 4 or frame[0] != 0x02 or frame[-2:] != [0x1B, 0x03]:
|
||||
return "Trame invalide"
|
||||
|
||||
op_code = frame[1]
|
||||
if op_code == 0x00:
|
||||
return f"[Erreur] Code: {hex(frame[2])}"
|
||||
elif op_code == 0x01:
|
||||
state = frame[2]
|
||||
return f"[Wi-Fi] {'UP' if state == 1 else 'DOWN'}"
|
||||
elif op_code == 0x02:
|
||||
status = 'Connecté' if frame[2] == 0x01 else 'Déconnecté'
|
||||
mac = ':'.join(f"{b:02X}" for b in frame[3:9])
|
||||
return f"[Connexion] {status} - {mac}"
|
||||
elif op_code == 0x03:
|
||||
return "[Demande appareils connectés]"
|
||||
elif op_code == 0x04:
|
||||
mac = ':'.join(f"{b:02X}" for b in frame[2:8])
|
||||
length = frame[8]
|
||||
msg = bytes(frame[9:9+length]).decode(errors='ignore')
|
||||
return f"[Message] à {mac} : {msg}"
|
||||
else:
|
||||
return f"[OpCode inconnu] {hex(op_code)}"
|
||||
|
||||
def main():
|
||||
with serial.Serial('COM5', 115200, timeout=1) as ser:
|
||||
print("Lecture des trames...")
|
||||
while True:
|
||||
frame = read_frame(ser)
|
||||
info = interpret_frame(frame)
|
||||
print(info)
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
@@ -0,0 +1,60 @@
|
||||
import serial
|
||||
import time
|
||||
|
||||
START_BYTE = 0x02
|
||||
END_BYTES = [0x1B, 0x03]
|
||||
|
||||
def build_command(opcode, payload=b''):
|
||||
frame = bytearray()
|
||||
frame.append(START_BYTE)
|
||||
frame.append(opcode)
|
||||
frame.extend(payload)
|
||||
frame.extend(END_BYTES)
|
||||
return frame
|
||||
|
||||
def send_command(ser, opcode, payload=b''):
|
||||
frame = build_command(opcode, payload)
|
||||
print(f"Envoi : {[hex(b) for b in frame]}")
|
||||
ser.write(frame)
|
||||
|
||||
def main():
|
||||
port = 'COM5'
|
||||
baud = 115200
|
||||
|
||||
try:
|
||||
with serial.Serial(port, baud, timeout=2) as ser:
|
||||
while True:
|
||||
print("\nCommandes disponibles :")
|
||||
print("1. État du Wi-Fi")
|
||||
print("2. Liste des clients connectés")
|
||||
print("3. Envoyer un message")
|
||||
print("4. Quitter")
|
||||
|
||||
choix = input("Choix (1-4) : ")
|
||||
|
||||
if choix == "1":
|
||||
send_command(ser, 0x01)
|
||||
elif choix == "2":
|
||||
send_command(ser, 0x03)
|
||||
elif choix == "3":
|
||||
msg = input("Message à envoyer : ")
|
||||
msg_bytes = msg.encode('utf-8')
|
||||
send_command(ser, 0x05, msg_bytes)
|
||||
elif choix == "4":
|
||||
print("Fermeture.")
|
||||
break
|
||||
else:
|
||||
print("Choix invalide.")
|
||||
|
||||
time.sleep(0.5)
|
||||
|
||||
print("Réponse reçue :")
|
||||
while ser.in_waiting:
|
||||
byte = ser.read(1)
|
||||
print(f"Reçu : 0x{byte[0]:02X}")
|
||||
|
||||
except serial.SerialException as e:
|
||||
print(f"Erreur de port série : {e}")
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
106
Semaine_3/Projet_esp32/esp32_code/Wifi_ap/Wifi_ap.ino
Normal file
106
Semaine_3/Projet_esp32/esp32_code/Wifi_ap/Wifi_ap.ino
Normal file
@@ -0,0 +1,106 @@
|
||||
#include <WiFi.h>
|
||||
#include <WebServer.h>
|
||||
#include "esp_wifi.h"
|
||||
|
||||
const char* ssid = "ESP32-Louis";
|
||||
const char* password = "motdepasse";
|
||||
|
||||
WebServer server(80);
|
||||
|
||||
void handleRoot() {
|
||||
digitalWrite(2,HIGH);
|
||||
wifi_sta_list_t sta_list;
|
||||
esp_wifi_ap_get_sta_list(&sta_list);
|
||||
|
||||
String page = "";
|
||||
page += "<!DOCTYPE html>";
|
||||
page += "<html>";
|
||||
page += "<head>";
|
||||
page += "<title>ESP32</title>";
|
||||
page += "<meta charset=\"UTF-8\">";
|
||||
page += "</head>";
|
||||
page += "<body>";
|
||||
page += "<h1>Appareils connectés à l'ESP32</h1>";
|
||||
page += "<ul>";
|
||||
|
||||
page += "<ul>";
|
||||
|
||||
for (int i = 0; i < sta_list.num; i++) {
|
||||
const wifi_sta_info_t& client = sta_list.sta[i];
|
||||
char macStr[18];
|
||||
snprintf(macStr, sizeof(macStr),
|
||||
"%02X:%02X:%02X:%02X:%02X:%02X",
|
||||
client.mac[0], client.mac[1], client.mac[2],
|
||||
client.mac[3], client.mac[4], client.mac[5]);
|
||||
page += "<li>MAC : ";
|
||||
page += macStr;
|
||||
page += "</li>";
|
||||
}
|
||||
|
||||
page += "</ul>";
|
||||
page += "<p>Nombre total : " + String(sta_list.num) + "</p>";
|
||||
|
||||
page += "</body></html>";
|
||||
|
||||
server.send(200, "text/html", page);
|
||||
digitalWrite(2,LOW);
|
||||
}
|
||||
|
||||
void onClientConnected(WiFiEvent_t event, WiFiEventInfo_t info) {
|
||||
digitalWrite(2,HIGH);
|
||||
|
||||
wifi_sta_list_t sta_list;
|
||||
esp_wifi_ap_get_sta_list(&sta_list);
|
||||
|
||||
for (int i = 0; i < sta_list.num; i++) {
|
||||
const wifi_sta_info_t& client = sta_list.sta[i];
|
||||
char macStr[18];
|
||||
snprintf(macStr, sizeof(macStr),
|
||||
"%02X:%02X:%02X:%02X:%02X:%02X",
|
||||
client.mac[0], client.mac[1], client.mac[2],
|
||||
client.mac[3], client.mac[4], client.mac[5]);
|
||||
Serial.print("Adresse MAC : ");
|
||||
Serial.println(macStr);
|
||||
}
|
||||
|
||||
digitalWrite(2,LOW);
|
||||
}
|
||||
|
||||
void onClientDisconnected(WiFiEvent_t event, WiFiEventInfo_t info) {
|
||||
digitalWrite(2,HIGH);
|
||||
|
||||
wifi_sta_list_t sta_list;
|
||||
esp_wifi_ap_get_sta_list(&sta_list);
|
||||
|
||||
for (int i = 0; i < sta_list.num; i++) {
|
||||
const wifi_sta_info_t& client = sta_list.sta[i];
|
||||
char macStr[18];
|
||||
snprintf(macStr, sizeof(macStr),
|
||||
"%02X:%02X:%02X:%02X:%02X:%02X",
|
||||
client.mac[0], client.mac[1], client.mac[2],
|
||||
client.mac[3], client.mac[4], client.mac[5]);
|
||||
Serial.print("",macStr);
|
||||
}
|
||||
|
||||
digitalWrite(2,LOW);
|
||||
}
|
||||
|
||||
void setup() {
|
||||
Serial.begin(115200);
|
||||
WiFi.softAP(ssid, password);
|
||||
|
||||
WiFi.onEvent(onClientConnected, ARDUINO_EVENT_WIFI_AP_STACONNECTED);
|
||||
WiFi.onEvent(onClientDisconnected, ARDUINO_EVENT_WIFI_AP_STADISCONNECTED);
|
||||
|
||||
delay(1000); // Donne un peu de temps pour démarrer le WiFi
|
||||
|
||||
|
||||
server.on("/", handleRoot);
|
||||
server.begin();
|
||||
|
||||
pinMode(2, OUTPUT);
|
||||
}
|
||||
|
||||
void loop() {
|
||||
server.handleClient();
|
||||
}
|
||||
@@ -0,0 +1,11 @@
|
||||
void setup() {
|
||||
Serial.begin(115200);
|
||||
pinMode(2, OUTPUT); // LED intégrée sur beaucoup d'ESP32
|
||||
}
|
||||
|
||||
void loop() {
|
||||
digitalWrite(2, HIGH);
|
||||
delay(500);
|
||||
digitalWrite(2, LOW);
|
||||
delay(500);
|
||||
}
|
||||
Reference in New Issue
Block a user