AP_InertialSensor: added params restored internal error

libraries/AP_InternalError/AP_InternalError.cpp

@@ -13,6 +13,7 @@ void AP_InternalError::error(const AP_InternalError::error_t e, uint16_t line) {
     switch (e) {
     case AP_InternalError::error_t::watchdog_reset:
     case AP_InternalError::error_t::main_loop_stuck:
+    case AP_InternalError::error_t::params_restored:
         // don't panic on these to facilitate watchdog testing
         break;
     default:
@@ -59,6 +60,7 @@ void AP_InternalError::errors_as_string(uint8_t *buffer, const uint16_t len) con
         "gpio_isr",
         "mem_guard",
         "dma_fail",
+        "params_restored",
     };
 
     static_assert((1U<<(ARRAY_SIZE(error_bit_descriptions))) == uint32_t(AP_InternalError::error_t::__LAST__), "too few descriptions for bits");

libraries/AP_InternalError/AP_InternalError.h

@@ -65,7 +65,8 @@ public:
         gpio_isr                    = (1U << 25),  //0x2000000 33554432
         mem_guard                   = (1U << 26),  //0x4000000 67108864
         dma_fail                    = (1U << 27),  //0x8000000 134217728
-        __LAST__                    = (1U << 28),  // used only for sanity check
+        params_restored             = (1U << 28),  //0x10000000 268435456
+        __LAST__                    = (1U << 29),  // used only for sanity check
     };
 
     // if you've changed __LAST__ to be 32, then you will want to