LoRa, MQTT and Oled

micro_ondes/esp_lora/tests/main_lora.py

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+from machine import Pin
+from shared import get_lora
+import time
+
+vext = Pin(19, Pin.OUT)
+vext.value(0)
+time.sleep_ms(100)
+
+lora = get_lora()
+lora.configure(freq=868.1, sf=7)
+
+while True:
+    print("\nESP32 : Envoi des mesures...")
+    mesures = {"id": "ESP32_Salon", "temp": 22.4, "hum": 55.2}
+    
+    # Envoi direct (le pilote s'occupe de mettre le groupe \x02)
+    lora.send(b'\x02' + lora.send_json_bytes_helper if False else bytes([2]) + lora.send_helper if False else b'\x02' + __import__('ujson').dumps(mesures).encode('utf-8'))
+    
+    # Réception propre
+    paquet = lora.receive_packet(3000)
+    if paquet:
+        # paquet est un dict : {"group": 2, "data": {...}, "raw": False}
+        print(f"ESP32 : Message reçu du groupe {paquet['group']}")
+        print(f"ESP32 : Données utiles -> {paquet['data']}")
+    else:
+        print("ESP32 : Pas de réponse.")
+        
+    time.sleep(5)

micro_ondes/esp_lora/tests/main_oled.py

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+from machine import Pin, SoftI2C
+import framebuf
+import ssd1306
+import time
+
+
+image_cards_hearts_bits = bytearray(b'\x00\x00\x00\x0088||\xfe\xfe\xff\xfe\xff\xfe\xff\xfe\x7f\xfc?\xf8\x1f\xf0\x0f\xe0\x07\xc0\x03\x80\x01\x00\x00\x00')
+image_clock_solid_full_bits = bytearray(b'\x00\x1f\x00\x00\x00\xff\xe0\x00\x03\xff\xf8\x00\x07\xff\xfc\x00\x0f\xff\xfe\x00\x1f\xff\xff\x00?\xf3\xff\x00?\xf3\xff\x80\x7f\xf3\xff\x80\x7f\xf3\xff\xc0\x7f\xf3\xff\xc0\xff\xf3\xff\xc0\xff\xf3\xff\xc0\xff\xf1\xff\xc0\xff\xf8\x7f\xc0\xff\xfe?\xc0\x7f\xff\x1f\xc0\x7f\xff\xdf\xc0\x7f\xff\xff\x80?\xff\xff\x80?\xff\xff\x00\x1f\xff\xff\x00\x0f\xff\xfe\x00\x07\xff\xfc\x00\x03\xff\xf0\x00\x00\x7f\xc0\x00')
+
+def draw():
+    # Layer 1
+    display.rect(0, 0, 128, 64, 1)
+
+    # Layer 2
+    display.text("HELP", 1, 2, 1)
+
+    # cards_hearts
+    fb_image_cards_hearts_bits = framebuf.FrameBuffer(image_cards_hearts_bits, 15, 16, framebuf.MONO_HLSB)
+    display.blit(fb_image_cards_hearts_bits, 111, 47)
+
+    # clock_solid_full
+    fb_image_clock_solid_full_bits = framebuf.FrameBuffer(image_clock_solid_full_bits, 26, 26, framebuf.MONO_HLSB)
+    display.blit(fb_image_clock_solid_full_bits, 51, 19)
+
+    display.show()
+
+
+
+# 3. Initialize I2C (using Software I2C for better stability on ESP32-S3 pins)
+# SDA is GPIO 17, SCL is GPIO 18
+scl_pin = Pin(18, Pin.OUT, pull=Pin.PULL_UP)
+sda_pin = Pin(17, Pin.OUT, pull=Pin.PULL_UP)
+i2c = SoftI2C(scl=scl_pin, sda=sda_pin, freq=100000)
+
+# 4. Bind the SSD1306 driver to our I2C bus (default address is 0x3C)
+# Display is 128x64 pixels
+display = ssd1306.SSD1306_I2C(128, 64, i2c, addr=0x3C)
+
+# 5. Clear and write Hello World!
+draw()
+
+print("Hello World printed to OLED successfully!")