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#include <lvgl.h>
#include <TFT_eSPI.h>
#include "image.h"
#include <WiFi.h>
#include <SPI.h>
#include <SD.h>
#define SCREEN_WIDTH 320
#define SCREEN_HEIGHT 450
#define SD_CS 5
#define JOY_X 34
#define JOY_Y 35
#define JOY_SW 32
// Position du curseur
int cursorX = 0;
int cursorY = 0;
// Sensibilité du joystick
#define JOY_DEADZONE 50
#define JOY_SPEED 4
// Points mesurés
struct Point {
int x, y;
long rssi;
};
#define MAX_POINTS 50
Point points[MAX_POINTS];
int pointCount = 0;
// Couleur selon RSSI
uint16_t colorForRSSI(long rssi) {
if (rssi > -55) return TFT_GREEN;
if (rssi > -70) return TFT_YELLOW;
return TFT_RED;
}
#define DRAW_BUF_SIZE (SCREEN_WIDTH * SCREEN_HEIGHT / 10 * (LV_COLOR_DEPTH / 8))
uint32_t draw_buf[DRAW_BUF_SIZE / 4];
TFT_eSPI tft = TFT_eSPI();
// If logging is enabled, it will inform the user about what is happening in the library
void log_print(lv_log_level_t level, const char * buf) {
LV_UNUSED(level);
Serial.println(buf);
Serial.flush();
}
void draw_image(void) {
LV_IMAGE_DECLARE(my_image);
lv_obj_t * img1 = lv_image_create(lv_screen_active());
lv_image_set_src(img1, &my_image);
lv_obj_align(img1, LV_ALIGN_CENTER, 0, 0);
}
void drawCursor(int x, int y, uint16_t color) {
tft.drawLine(x - 5, y, x + 5, y, color);
tft.drawLine(x, y - 5, x, y + 5, color);
}
void drawPoint(int x, int y, long rssi) {
uint16_t color = colorForRSSI(rssi);
tft.fillCircle(x, y, 5, color);
tft.drawCircle(x, y, 5, TFT_BLACK);
}
//************************************************//
// SETUP //
//************************************************//
void setup() {
String LVGL_Arduino = String("LVGL Library Version: ") + lv_version_major() + "." + lv_version_minor() + "." + lv_version_patch();
Serial.begin(115200);
Serial.println(LVGL_Arduino);
pinMode(JOY_SW, INPUT_PULLUP);
// Start LVGL
lv_init();
// Register print function for debugging
lv_log_register_print_cb(log_print);
// Create a display object
lv_display_t * disp;
// Initialize the TFT display using the TFT_eSPI library
disp = lv_tft_espi_create(SCREEN_WIDTH, SCREEN_HEIGHT, draw_buf, sizeof(draw_buf));
lv_display_set_rotation(disp, LV_DISPLAY_ROTATION_270);
tft.init();
tft.setRotation(1);
tft.fillScreen(TFT_BLACK);
WiFi.begin("xxxxx", "xxxxxx");
tft.println("Connexion Wi-Fi...");
while (WiFi.status() != WL_CONNECTED) {
delay(500);
tft.print(".");
}
tft.println("Connexion Wi-Fi: OK");
// Function to draw the image
draw_image();
drawCursor(cursorX, cursorY, TFT_BLACK);
}
//************************************************//
// LOOP //
//************************************************//
void loop() {
lv_task_handler(); // laisser l'interface graphique faire son travail
lv_tick_inc(5); // indiquer à LVGL le temps qui s'est écoulé
delay(5); // Laissez passer le temps
int xVal = analogRead(JOY_X);
int yVal = analogRead(JOY_Y);
bool pressed = !digitalRead(JOY_SW);
// Déplacement X/Y
if (xVal < 2048 - JOY_DEADZONE) cursorX -= JOY_SPEED;
else if (xVal > 2048 + JOY_DEADZONE) cursorX += JOY_SPEED;
if (yVal < 2048 - JOY_DEADZONE) cursorY += JOY_SPEED;
else if (yVal > 2048 + JOY_DEADZONE) cursorY -= JOY_SPEED;
// Contraintes écran
cursorX = constrain(cursorX, 5, 445);
cursorY = constrain(cursorY, 5, 315);
// Affiche curseur
drawCursor(cursorX, cursorY, TFT_BLACK);
// Point de validation
static bool lastPressed = false;
if (pressed && !lastPressed && pointCount < MAX_POINTS) {
long rssi = WiFi.RSSI();
points[pointCount++] = {cursorX, cursorY, rssi};
drawPoint(cursorX, cursorY, rssi);
Serial.printf("Point %d : (%d, %d) = %ld dBm\n", pointCount, cursorX, cursorY, rssi);
}
lastPressed = pressed;
delay(50);
} |
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