Initial commit

include/lora_transport.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <Arduino.h>
+#include "config.h"
+
+constexpr size_t LORA_MAX_PAYLOAD = 200;
+
+struct LoraPacket {
+  uint8_t protocol_version;
+  DeviceRole role;
+  uint16_t device_id_short;
+  PayloadType payload_type;
+  uint8_t payload[LORA_MAX_PAYLOAD];
+  size_t payload_len;
+};
+
+void lora_init();
+bool lora_send(const LoraPacket &pkt);
+bool lora_receive(LoraPacket &pkt, uint32_t timeout_ms);