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SourceVuESP-IDF Framework and ExamplesESP-IDFesp_ota_check_rollback_is_possible()

esp_ota_check_rollback_is_possible() function

Checks applications on the slots which can be booted in case of rollback. These applications should be valid (marked in otadata as not UNDEFINED, INVALID or ABORTED and crc is good) and be able booted, and secure_version of app >= secure_version of efuse (if anti-rollback is enabled).

Syntax

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Summary

Declaration

Definition

from esp_ota_ops.h:341

bool esp_ota_check_rollback_is_possible(void);

Implemented in esp_ota_ops.c:686

Return value

- True: Returns true if the slots have at least one app (except the running app). - False: The rollback is not possible.

References

Code

Location

Referrer

bool esp_ota_check_rollback_is_possible(void)

esp_ota_ops.c:686

bool esp_ota_check_rollback_is_possible(void);

esp_ota_ops.h:341

if (esp_ota_check_rollback_is_possible() == false) {

esp_ota_ops.c:763

esp_ota_current_ota_is_workable()

Call Tree

esp_ota_check_rollback_is_possible() is called by 1 function and calls 6 functions:

esp_ota_current_ota_is_workable()

esp_ota_check_rollback_is_possible()

image_validate()

esp_ota_get_app_partition_count()

esp_partition_find_first()

bootloader_common_ota_select_valid()

bootloader_common_select_otadata()

Data Use

esp_ota_check_rollback_is_possible() reads 5 variables:

esp_partition_type_t::ESP_PARTITION_TYPE_APP

esp_partition_subtype_t::ESP_PARTITION_SUBTYPE_APP_FACTORY

esp_partition_subtype_t::ESP_PARTITION_SUBTYPE_APP_OTA_MIN

esp_ota_select_entry_t::ota_seq

esp_image_load_mode_t::ESP_IMAGE_VERIFY_SILENT

esp_ota_check_rollback_is_possible()

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Lifecycle

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