sync during ir_recv dev

firmware/libs/ir/include/ir.h

@@ -0,0 +1,19 @@
+#ifndef IR_H
+#define IR_H
+
+#include <stdint.h>
+
+// structure representing a decoded IR packet
+typedef struct {
+    union {
+        uint8_t bytes[3];
+        struct {
+            uint32_t type  : 3;
+            uint32_t id    : 8;  /* Ersetzt shooter_id / healer_id */
+            uint32_t value : 5;  /* Ersetzt damage / amount */
+            uint32_t crc   : 8;
+        } fields;
+    } data;
+} __attribute__((packed)) ir_packet_t;
+
+#endif /* IR_H */