From 741abaf7606ba88a5d1d8e05f085ad77fda548e3 Mon Sep 17 00:00:00 2001
From: Nick Exton <NExton@sypaq.com.au>
Date: Mon, 2 Mar 2020 15:56:27 +1100
Subject: [PATCH] AP_Param: Add static assert on NVM struct sizes

---
 libraries/AP_Param/AP_Param.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libraries/AP_Param/AP_Param.h b/libraries/AP_Param/AP_Param.h
index a58c7c561e..a39543e463 100644
--- a/libraries/AP_Param/AP_Param.h
+++ b/libraries/AP_Param/AP_Param.h
@@ -518,6 +518,7 @@ private:
         uint8_t revision;
         uint8_t spare;
     };
+    static_assert(sizeof(struct EEPROM_header) == 4, "Bad EEPROM_header size!");
 
     static uint16_t sentinal_offset;
 
@@ -540,6 +541,7 @@ private:
         uint32_t key_high : 1;
         uint32_t group_element : 18;
     };
+    static_assert(sizeof(struct Param_header) == 4, "Bad Param_header size!");
 
     // number of bits in each level of nesting of groups
     static const uint8_t        _group_level_shift = 6;