diff --git a/src/lorawan.cpp b/src/lorawan.cpp
index 241ba04d..01713d0a 100644
--- a/src/lorawan.cpp
+++ b/src/lorawan.cpp
@@ -9,44 +9,23 @@ static const char TAG[] = "lora";
 osjob_t sendjob;
 QueueHandle_t LoraSendQueue;
 
-namespace Arduino_LMIC {
-
-class HalConfiguration_ThisBoard_t : public HalConfiguration_t {
+class cMyHalConfig_t : public Arduino_LMIC::HalConfiguration_t {
 
 public:
-  enum DIGITAL_PINS : uint8_t {
-    PIN_SX1276_NSS = LORA_CS,
-    PIN_SX1276_NRESET = LORA_RST,
-    PIN_SX1276_DIO0 = LORA_IRQ,
-    PIN_SX1276_DIO1 = LORA_IO1,
-    PIN_SX1276_DIO2 = LORA_IO2,
-    PIN_SX1276_ANT_SWITCH_RX = HalPinmap_t::UNUSED_PIN,
-    PIN_SX1276_ANT_SWITCH_TX_BOOST = HalPinmap_t::UNUSED_PIN,
-    PIN_SX1276_ANT_SWITCH_TX_RFO = HalPinmap_t::UNUSED_PIN,
-    PIN_VDD_BOOST_ENABLE = HalPinmap_t::UNUSED_PIN,
-    PIN_SX1276_MOSI = LORA_MOSI,
-    PIN_SX1276_MISO = LORA_MISO,
-    PIN_SX1276_SCK = LORA_SCK,
-  };
-
+  cMyHalConfig_t(){};
   virtual void begin(void) override {
     SPI.begin(LORA_SCK, LORA_MISO, LORA_MOSI, LORA_CS);
   }
-
-  // virtual void end(void) override
-
-  // virtual ostime_t setModuleActive(bool state) override
 };
 
-static HalConfiguration_ThisBoard_t myConfig;
+cMyHalConfig_t myHalConfig{};
 
-static const HalPinmap_t myPinmap = {
-    .nss = HalConfiguration_ThisBoard_t::PIN_SX1276_NSS,
-    .rxtx = HalConfiguration_ThisBoard_t::PIN_SX1276_ANT_SWITCH_RX,
-    .rst = HalConfiguration_ThisBoard_t::PIN_SX1276_NRESET,
-    .dio = {HalConfiguration_ThisBoard_t::PIN_SX1276_DIO0,
-            HalConfiguration_ThisBoard_t::PIN_SX1276_DIO1,
-            HalConfiguration_ThisBoard_t::PIN_SX1276_DIO2},
+// LMIC enhanced Pin mapping
+const lmic_pinmap lmic_pins = {
+    .nss = LORA_CS,
+    .rxtx = LMIC_UNUSED_PIN,
+    .rst = LORA_RST,
+    .dio = {LORA_IRQ, LORA_IO1, LORA_IO2},
     // optional: set polarity of rxtx pin.
     .rxtx_rx_active = 0,
     // optional: set RSSI cal for listen-before-talk
@@ -57,11 +36,7 @@ static const HalPinmap_t myPinmap = {
     .rssi_cal = 0,
     // optional: override LMIC_SPI_FREQ if non-zero
     .spi_freq = 0,
-    .pConfig = &myConfig};
-
-const HalPinmap_t *GetPinmap_ThisBoard(void) { return &myPinmap; }
-
-} // namespace Arduino_LMIC
+    .pConfig = &myHalConfig};
 
 // DevEUI generator using devices's MAC address
 void gen_lora_deveui(uint8_t *pdeveui) {
@@ -400,14 +375,8 @@ esp_err_t lora_stack_init() {
 
   ESP_LOGI(TAG, "Starting LMIC...");
 
-  const lmic_pinmap *pPinMap = Arduino_LMIC::GetPinmap_ThisBoard();
-  if (pPinMap == nullptr) {
-    ESP_LOGE(TAG, "No device pinmap found. Aborting.");
-    return ESP_FAIL;
-  }
-
-  os_init_ex(pPinMap); // initialize lmic run-time environment on core 1
-  LMIC_reset();        // initialize lmic MAC
+  os_init();    // initialize lmic run-time environment on core 1
+  LMIC_reset(); // initialize lmic MAC
   LMIC_setLinkCheckMode(0);
   // This tells LMIC to make the receive windows bigger, in case your clock is
   // faster or slower. This causes the transceiver to be earlier switched on,