Merge branch 'bugfix/spiffs_partition_label_usage' into 'master'

spiffs: clarify the usage of partition_label, fix the example

Closes IDFGH-2313

See merge request espressif/esp-idf!7092
This commit is contained in:
Ivan Grokhotkov
2019-12-27 19:20:46 +08:00
2 changed files with 5 additions and 8 deletions

View File

@@ -49,8 +49,7 @@ esp_err_t esp_vfs_spiffs_register(const esp_vfs_spiffs_conf_t * conf);
/** /**
* Unregister and unmount SPIFFS from VFS * Unregister and unmount SPIFFS from VFS
* *
* @param partition_label Optional, label of the partition to unregister. * @param partition_label Same label as passed to esp_vfs_spiffs_register.
* If not specified, first partition with subtype=spiffs is used.
* *
* @return * @return
* - ESP_OK if successful * - ESP_OK if successful
@@ -73,8 +72,7 @@ bool esp_spiffs_mounted(const char* partition_label);
/** /**
* Format the SPIFFS partition * Format the SPIFFS partition
* *
* @param partition_label Optional, label of the partition to format. * @param partition_label Same label as passed to esp_vfs_spiffs_register.
* If not specified, first partition with subtype=spiffs is used.
* @return * @return
* - ESP_OK if successful * - ESP_OK if successful
* - ESP_FAIL on error * - ESP_FAIL on error
@@ -84,8 +82,7 @@ esp_err_t esp_spiffs_format(const char* partition_label);
/** /**
* Get information for SPIFFS * Get information for SPIFFS
* *
* @param partition_label Optional, label of the partition to get info for. * @param partition_label Same label as passed to esp_vfs_spiffs_register
* If not specified, first partition with subtype=spiffs is used.
* @param[out] total_bytes Size of the file system * @param[out] total_bytes Size of the file system
* @param[out] used_bytes Current used bytes in the file system * @param[out] used_bytes Current used bytes in the file system
* *

View File

@@ -43,7 +43,7 @@ void app_main(void)
} }
size_t total = 0, used = 0; size_t total = 0, used = 0;
ret = esp_spiffs_info(NULL, &total, &used); ret = esp_spiffs_info(conf.partition_label, &total, &used);
if (ret != ESP_OK) { if (ret != ESP_OK) {
ESP_LOGE(TAG, "Failed to get SPIFFS partition information (%s)", esp_err_to_name(ret)); ESP_LOGE(TAG, "Failed to get SPIFFS partition information (%s)", esp_err_to_name(ret));
} else { } else {
@@ -94,6 +94,6 @@ void app_main(void)
ESP_LOGI(TAG, "Read from file: '%s'", line); ESP_LOGI(TAG, "Read from file: '%s'", line);
// All done, unmount partition and disable SPIFFS // All done, unmount partition and disable SPIFFS
esp_vfs_spiffs_unregister(NULL); esp_vfs_spiffs_unregister(conf.partition_label);
ESP_LOGI(TAG, "SPIFFS unmounted"); ESP_LOGI(TAG, "SPIFFS unmounted");
} }