refacto: change lora to class with ITransmitter interface

src/config.h

@@ -1,22 +1,8 @@
-#ifndef CONFIG_H
-#define CONFIG_H
-
-#include <Arduino.h>
-
-#define LORA_SCK  5
-#define LORA_MISO 19
-#define LORA_MOSI 27
-#define LORA_NSS  18
-#define LORA_RST  23
-#define LORA_DIO0 26
-#define LORA_DIO1 33
+#pragma once
 
 uint64_t joinEUI = 0x35f48318e1324e2e;
-uint64_t devEUI  = 0x0586fe41112d83d9;
-uint8_t  appKey[] = {
-  0x0b, 0x84, 0xb4, 0x04, 0x0f, 0xd5, 0x56, 0x1b, 
-  0x00, 0x53, 0x94, 0x22, 0xc1, 0xf1, 0x4f, 0xd6
-};
-uint8_t *nwkKey = appKey;
-
-#endif
+uint64_t devEUI = 0x0586fe41112d83d9;
+uint8_t appKey[] = {
+    0x0b, 0x84, 0xb4, 0x04, 0x0f, 0xd5, 0x56, 0x1b,
+    0x00, 0x53, 0x94, 0x22, 0xc1, 0xf1, 0x4f, 0xd6};
+uint8_t *nwkKey = appKey;

src/lora.cpp

@@ -1,140 +0,0 @@
-#include <config.h>
-
-#include <SPI.h>
-#include <RadioLib.h>
-#include <Preferences.h>
-
-Preferences prefs;
-SX1276 radio = new Module(LORA_NSS, LORA_DIO0, LORA_RST, LORA_DIO1);
-LoRaWANNode node(&radio, &EU868);
-
-uint8_t noncesBuffer[RADIOLIB_LORAWAN_NONCES_BUF_SIZE];
-RTC_DATA_ATTR uint8_t LWsession[RADIOLIB_LORAWAN_SESSION_BUF_SIZE];
-
-void loraReset()
-{
-    pinMode(LORA_RST, OUTPUT);
-    digitalWrite(LORA_RST, LOW);
-    delay(10);
-    digitalWrite(LORA_RST, HIGH);
-    delay(10);
-}
-
-void loraInit()
-{
-    loraReset();
-    SPI.begin(LORA_SCK, LORA_MISO, LORA_MOSI, LORA_NSS);
-
-    Serial.print("[LoRaWAN] Init... ");
-    int state = radio.begin();
-    if (state != RADIOLIB_ERR_NONE)
-    {
-        Serial.printf("ERREUR %d\n", state);
-        while (true)
-        {
-            delay(1000);
-        }
-    }
-    Serial.println("OK");
-}
-
-void loraRestoreDevNonce()
-{
-    prefs.begin("lorawan");
-    if (prefs.isKey("nonces"))
-    {
-        prefs.getBytes("nonces", noncesBuffer, RADIOLIB_LORAWAN_NONCES_BUF_SIZE);
-    }
-    else
-    {
-        Serial.println("[NVS] Aucune donnée trouvée, buffer initialisé à zéro");
-        memset(noncesBuffer, 0, RADIOLIB_LORAWAN_NONCES_BUF_SIZE);
-    }
-    prefs.end();
-
-    node.setBufferNonces(noncesBuffer);
-}
-
-void loraPersistDevNonce()
-{
-    prefs.begin("lorawan");
-    uint8_t buffer[RADIOLIB_LORAWAN_NONCES_BUF_SIZE];
-    uint8_t *persist = node.getBufferNonces();
-    memcpy(buffer, persist, RADIOLIB_LORAWAN_NONCES_BUF_SIZE);
-
-    size_t result = prefs.putBytes("nonces", buffer, RADIOLIB_LORAWAN_NONCES_BUF_SIZE);
-
-    prefs.end();
-}
-
-int16_t loraRestoreSession()
-{
-    Serial.print("[LoRaWAN] Tentative de restaurer la session...");
-
-    int16_t state = node.setBufferSession(LWsession);
-    if (state == RADIOLIB_ERR_NONE)
-    {
-        state = node.activateOTAA();
-    }
-    else {
-        Serial.println("Echec");
-    }
-    return state;
-}
-
-void loraSaveSession()
-{
-    uint8_t *session = node.getBufferSession();
-    memcpy(LWsession, session, RADIOLIB_LORAWAN_SESSION_BUF_SIZE);
-    Serial.println("[RTC] Session sauvegardée");
-}
-
-int16_t loraFullJoin()
-{
-    node.beginOTAA(joinEUI, devEUI, nwkKey, appKey);
-    loraRestoreDevNonce();
-
-    int16_t state = node.activateOTAA();
-
-    loraPersistDevNonce();
-    return state;
-}
-
-void loraJoin()
-{
-    int16_t state = RADIOLIB_ERR_NETWORK_NOT_JOINED;
-
-    node.beginOTAA(joinEUI, devEUI, nwkKey, appKey);
-    loraRestoreDevNonce();
-    if (loraRestoreSession() != RADIOLIB_LORAWAN_SESSION_RESTORED)
-    {
-        Serial.print("[LoRaWAN] Join complet...");
-        int16_t state = loraFullJoin();
-
-        if (state != RADIOLIB_LORAWAN_NEW_SESSION)
-        {
-            Serial.printf("Echec : %d\n", state);
-            while (true)
-            {
-                delay(1000);
-            }
-        }
-    }
-
-    Serial.println("OK");
-    loraSaveSession();
-}
-
-void loraSend(uint8_t payload[], size_t size)
-{
-    int state = node.sendReceive(payload, size, 1);
-    if (state == RADIOLIB_ERR_NONE || state == RADIOLIB_LORAWAN_NO_DOWNLINK)
-    {
-        Serial.println("[TX] OK");
-    }
-    else
-    {
-        Serial.printf("[TX] Erreur : %d\n", state);
-    }
-    loraSaveSession();
-}

src/lora.h

@@ -1,15 +0,0 @@
-#ifndef LORA_H
-#define LORA_H
-
-#include <Arduino.h>
-
-void loraReset();
-void loraInit();
-void loraJoin();
-void loraSend(uint8_t payload[], size_t size);
-void loraPersistDevNonce();
-void loraSaveDevNonce();
-void loraRestoreSession();
-void loraSaveSession();
-
-#endif

src/main.cpp

@@ -1,16 +1,26 @@
-#include <lora.h>
+#include <Arduino.h>
+#include "LoRaTransmitter.h"
+#include "config.h"
+
+ITransmitter* transmitter = new LoRaTransmitter(
+    joinEUI,
+    devEUI,
+    nwkKey,
+    appKey
+);
 
 void setup() {
     Serial.begin(115200);
     delay(2000);
     
-    loraInit();
+    transmitter->init();
+    transmitter->join();
 }
 
 void loop() {
-    loraJoin();
     uint8_t payload[] = { 0x01, 0x02, 0x03 };
-    loraSend(payload, sizeof(payload));
+    transmitter->send(payload, sizeof(payload));
+    
     Serial.flush();
     esp_deep_sleep(60000000);
 }