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feat(app_update): add app description data and its functions

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This commit is contained in:
donghengqaz
2020-02-13 16:55:04 +08:00
committed by Dong Heng
parent 5a91acd79a
commit 3d19ecebd1
7 changed files with 257 additions and 2 deletions
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22
components/app_update/esp_ota_ops.c
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@ -637,3 +637,25 @@ const esp_partition_t* esp_ota_get_next_update_partition(const esp_partition_t *
return default_ota;
}
esp_err_t esp_ota_get_partition_description(const esp_partition_t *partition, esp_app_desc_t *app_desc)
{
if (partition == NULL || app_desc == NULL) {
return ESP_ERR_INVALID_ARG;
}
if(partition->type != ESP_PARTITION_TYPE_APP) {
return ESP_ERR_NOT_SUPPORTED;
}
esp_err_t err = esp_partition_read(partition, sizeof(esp_image_header_t) + sizeof(esp_image_segment_header_t), app_desc, sizeof(esp_app_desc_t));
if (err != ESP_OK) {
return err;
}
if (app_desc->magic_word != ESP_APP_DESC_MAGIC_WORD) {
return ESP_ERR_NOT_FOUND;
}
return ESP_OK;
}