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Merge branch 'feature/add_rollback_flags' into 'master'

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bootloader/app_update: Add a support of an app rollback.

See merge request idf/esp-idf!3547
This commit is contained in:
Angus Gratton
2018-12-19 14:28:11 +08:00
parent 6dba472678 dde1fd9b94
commit ad200227d2
8 changed files with 655 additions and 4 deletions
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13
components/esp32/include/esp_flash_data_types.h
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@@ -24,11 +24,22 @@ extern "C"
#define ESP_PARTITION_MAGIC 0x50AA
#define ESP_PARTITION_MAGIC_MD5 0xEBEB
/// OTA_DATA states for checking operability of the app.
typedef enum {
ESP_OTA_IMG_NEW = 0x0U, /*!< Monitor the first boot. In bootloader this state is changed to ESP_OTA_IMG_PENDING_VERIFY. */
ESP_OTA_IMG_PENDING_VERIFY = 0x1U, /*!< First boot for this app was. If while the second boot this state is then it will be changed to ABORTED. */
ESP_OTA_IMG_VALID = 0x2U, /*!< App was confirmed as workable. App can boot and work without limits. */
ESP_OTA_IMG_INVALID = 0x3U, /*!< App was confirmed as non-workable. This app will not selected to boot at all. */
ESP_OTA_IMG_ABORTED = 0x4U, /*!< App could not confirm the workable or non-workable. In bootloader IMG_PENDING_VERIFY state will be changed to IMG_ABORTED. This app will not selected to boot at all. */
ESP_OTA_IMG_UNDEFINED = 0xFFFFFFFFU, /*!< Undefined. App can boot and work without limits. */
} esp_ota_img_states_t;
/* OTA selection structure (two copies in the OTA data partition.)
Size of 32 bytes is friendly to flash encryption */
typedef struct {
uint32_t ota_seq;
uint8_t seq_label[24];
uint8_t seq_label[20];
uint32_t ota_state;
uint32_t crc; /* CRC32 of ota_seq field only */
} esp_ota_select_entry_t;