Move animation steps to NVS data

ld/common_nvs.ld

@@ -12,6 +12,15 @@ SECTIONS
         _end_text = .;
     } >flash
 
+    /* Non-volatile storage area in flash */
+    .nvstore (NOLOAD) :
+    {
+        . = ALIGN(1K);
+        *(.nvstore*)
+        . = ALIGN(1K);
+        _end_nvstore = .;
+    } > flash_nvstore
+
     /* C++ initialiser code segments */
     .preinit_array :
     {

ld/stm32f030f4_15k_flash_1k_nvs.ld

@@ -1,7 +1,8 @@
 MEMORY
 {
-    flash (rx)                  : ORIGIN = 0x08000000, LENGTH = 16K
+    flash (rx)                  : ORIGIN = 0x08000000, LENGTH = 15K
+    flash_nvstore (rw)          : ORIGIN = 0x08003c00, LENGTH = 1K
     sram (xrw)                  : ORIGIN = 0x20000000, LENGTH = 4K
 }
 
-INCLUDE ld/common.ld
+INCLUDE ld/common_nvs.ld