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nvs: initialize using layout from partition table

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This commit is contained in:
Ivan Grokhotkov 2016-11-15 18:23:29 +08:00
parent 8ab4e11840
commit 51021b06f8
2 changed files with 24 additions and 18 deletions
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30
components/nvs_flash/include/nvs_flash.h
View File

@ -18,25 +18,21 @@
extern "C" {
#endif
/** Initialise NVS flash storage with default flash sector layout
Temporarily, this region is hardcoded as a 12KB (0x3000 byte)
region starting at 36KB (0x9000 byte) offset in flash.
@return ESP_OK if flash was successfully initialised.
*/
/**
* @brief Initialize NVS flash storage with layout given in the partition table.
*
* @return ESP_OK if storage was successfully initialized.
*/
esp_err_t nvs_flash_init(void);
/** Initialise NVS flash storage with custom flash sector layout
@param baseSector Flash sector (units of 4096 bytes) offset to start NVS.
@param sectorCount Length (in flash sectors) of NVS region.
@return ESP_OK if flash was successfully initialised.
@note Use this parameter if you're not using the options in menuconfig for
configuring flash layout & partition table.
*/
/**
* @brief Initialize NVS flash storage with custom flash sector layout
* @note Make sure specified sectors don't fall within ranges occupied
* by other partitions.
* @param baseSector Flash sector (units of 4096 bytes) offset to start NVS
* @param sectorCount Length (in flash sectors) of NVS region
* @return ESP_OK if flash was successfully initialized
*/
esp_err_t nvs_flash_init_custom(uint32_t baseSector, uint32_t sectorCount);

12
components/nvs_flash/src/nvs_api.cpp
View File

@ -16,6 +16,7 @@
#include "nvs_storage.hpp"
#include "intrusive_list.h"
#include "nvs_platform.hpp"
#include "esp_partition.h"
#include "sdkconfig.h"
#ifdef ESP_PLATFORM
@ -61,10 +62,19 @@ extern "C" void nvs_dump()
s_nvs_storage.debugDump();
}
#ifdef ESP_PLATFORM
extern "C" esp_err_t nvs_flash_init(void)
{
return nvs_flash_init_custom(9, 3);
const esp_partition_t* partition = esp_partition_find_first(
ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_NVS, NULL);
if (partition == NULL) {
return ESP_ERR_NOT_FOUND;
}
return nvs_flash_init_custom(partition->address / SPI_FLASH_SEC_SIZE,
partition->size / SPI_FLASH_SEC_SIZE);
}
#endif
extern "C" esp_err_t nvs_flash_init_custom(uint32_t baseSector, uint32_t sectorCount)
{