     .rst = 4,
     .dio = {3, 6, LMIC_UNUSED_PIN},
 };
+#endif
+
+#ifdef ARDUINO_ARCH_STM32
+// Pin mapping for Catena 4551 Feather M0 LoRa
+const lmic_pinmap lmic_pins = {
+    .nss = D7,      // chip select is D7
+    .rxtx = D29, // RXTX is D29
+    .rst = D8,   // NRESET is D8
+    
+    .dio = {D25,    // DIO0 (IRQ) is D25
+            D26,    // DIO1 is D26
+            D27,    // DIO2 is D27
+           },
+    .rxtx_rx_active = 1,
+    .spi_freq = 8000000	/* 8MHz */
+};
+#endif
 
 
 // These callbacks are only used in over-the-air activation, so they are


#define TX_INTERVAL 2000        // milliseconds

// Pin mapping for Adafruit Feather M0 LoRa
const lmic_pinmap lmic_pins = {
    .nss = 8,

	Slightly improved Raw test example, for Adafruit Feather M0 LoRa

Version:
	V0.7.0	Tue Jan 23 2018 10:25:50 chwon	Edit level 2

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