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[samr21] Define SETTINGS_CONFIG_PAGE_NAME with const (#3491)

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Currently SETTINGS_CONFIG_PAGE_NAME is defined indirectly by addresses of
__d_nv_mem_start and __d_nv_mem_end. But such definition doesn't allow to
perform compile time sanity check. Define this macro with const value 16.

Signed-off-by: Oleksandr Grytsov <[email protected]>
This commit is contained in:
Oleksandr Grytsov
2019-02-04 18:24:37 -08:00
committed by Jonathan Hui
parent e7a6bde56d
commit c31ab99080
1 changed files with 8 additions and 1 deletions
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examples/platforms/samr21/openthread-core-samr21-config.h
+8 -1
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@@ -69,8 +69,15 @@ extern uint32_t __d_nv_mem_end;
*
* The page number of settings.
*
* This value should not exceeds:
* (((uint32_t)&__d_nv_mem_end - (uint32_t)&__d_nv_mem_start) / SETTINGS_CONFIG_PAGE_SIZE)
*
* __d_nv_mem_start and __d_nv_mem_end is defined in linker script.
* The size of NVRAM region is 4k. Page size is 256 bytes. Maximum SETTINGS_CONFIG_PAGE_NUM
* should be equal or less than 16.
*
*/
#define SETTINGS_CONFIG_PAGE_NUM (((uint32_t)&__d_nv_mem_end - (uint32_t)&__d_nv_mem_start) / SETTINGS_CONFIG_PAGE_SIZE)
#define SETTINGS_CONFIG_PAGE_NUM 16
/**
* @def RADIO_CONFIG_SRC_MATCH_ENTRY_NUM