ATD3.5-S3-CAN-bus.cpp

#include <Arduino.h>
#include <lvgl.h>
#include <ATD3.5-S3.h>
#include "gui/ui.h"

#include "driver/gpio.h"
#include "driver/twai.h"

#define CAN_TX_PIN GPIO_NUM_1
#define CAN_RX_PIN GPIO_NUM_2

void setup() {
  Serial.begin(115200);
  
  // Setup peripherals
  Display.begin(0); // rotation number 0
  Touch.begin();
  Sound.begin();
  // Card.begin(); // uncomment if you want to Read/Write/Play/Load file in MicroSD Card

  twai_general_config_t g_config = TWAI_GENERAL_CONFIG_DEFAULT(CAN_TX_PIN, CAN_RX_PIN, TWAI_MODE_NORMAL);
  twai_timing_config_t t_config = TWAI_TIMING_CONFIG_125KBITS();
  twai_filter_config_t f_config = TWAI_FILTER_CONFIG_ACCEPT_ALL();

  // Install TWAI driver
  if (twai_driver_install(&g_config, &t_config, &f_config) != ESP_OK) {
    Serial.printf("Failed to install driver\n");
    return;
  }

  // Start TWAI driver
  if (twai_start() != ESP_OK) {
    Serial.printf("Failed to start driver\n");
    return;
  }

  // Map peripheral to LVGL
  Display.useLVGL(); // Map display to LVGL
  Touch.useLVGL(); // Map touch screen to LVGL
  Sound.useLVGL(); // Map speaker to LVGL
  // Card.useLVGL(); // Map MicroSD Card to LVGL File System
  
  // Add load your UI function
  ui_init();

  // Add event handle

}

void loop() {
  Display.loop(); // Keep GUI work

  twai_message_t message;
  if (twai_receive(&message, 0) == ESP_OK) {
    uint16_t adc = (message.data[0] << 8) | message.data[1];
    lv_arc_set_value(ui_adc_value_arc, adc);
    lv_label_set_text_fmt(ui_adc_value_label, "%d", adc);
  }
}