Laguna II (Phase 2) Visu v3.0 Interactive

#include <Arduino.h>
#include "driver/twai.h"

// Broches TWAI CAN sur la Waveshare ESP32-S3 7"
#define CAN_TX_PIN GPIO_NUM_20
#define CAN_RX_PIN GPIO_NUM_19

void setup() {
    Serial.begin(115200);
    Serial.println("Initialisation CAN Laguna II - Bus 500 kbps...");

    // 1. Configuration des broches et du mode
    twai_general_config_t g_config = TWAI_GENERAL_CONFIG_DEFAULT(CAN_TX_PIN, CAN_RX_PIN, TWAI_MODE_LISTEN_ONLY);
    
    // 2. Vitesse du bus moteur / compteur : 500 kbit/s
    twai_timing_config_t t_config = TWAI_TIMING_CONFIG_500KBITS();
    
    // 3. Filtre : accepter toutes les trames du reseau
    twai_filter_config_t f_config = TWAI_FILTER_CONFIG_ACCEPT_ALL();

    if (twai_driver_install(&g_config, &t_config, &f_config) == ESP_OK) {
        Serial.println("Pilote TWAI installe avec succes !");
    } else {
        Serial.println("Erreur installation pilote TWAI.");
        return;
    }

    if (twai_start() == ESP_OK) {
        Serial.println("Bus CAN Laguna 2 actif a 500 kbps !");
    }
}

void loop() {
    twai_message_t message;
    if (twai_receive(&message, pdMS_TO_TICKS(50)) == ESP_OK) {
        // Exemples de decodage de trames Renault Laguna II
        Serial.printf("ID: 0x%03X | DLC: %d | Data: ", message.identifier, message.data_length_code);
        for (int i = 0; i < message.data_length_code; i++) {
            Serial.printf("%02X ", message.data[i]);
        }
        Serial.println();

        // Trame regime moteur (RPM) & Vitesse
        if (message.identifier == 0x186 || message.identifier == 0x180) {
            int rpm = ((message.data[0] << 8) | message.data[1]) / 4;
            Serial.printf("--> Regime Moteur : %d tr/min\n", rpm);
        }
    }
}