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esp32: Improve support for OTA updates.

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This commit adds several small items to improve the support for OTA
updates on an esp32:

- a partition table for 4MB flash modules that has two OTA partitions ready
  to go to do updates
- a GENERIC_OTA board that uses that partition table and that enables
  automatic roll-back in the bootloader
- a new esp32.Partition.mark_app_valid_cancel_rollback() class-method to
  signal that the boot is successful and should not be rolled back at the
  next reset
- an automated test for doing an OTA update
- documentation updates
This commit is contained in:
Thorsten von Eicken
2020-04-01 22:59:08 -07:00
committed by Damien George
parent 7d97d241e8
commit 952ff8a8ea
9 changed files with 185 additions and 4 deletions
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10
ports/esp32/esp32_partition.c
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@@ -209,6 +209,15 @@ STATIC mp_obj_t esp32_partition_get_next_update(mp_obj_t self_in) {
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(esp32_partition_get_next_update_obj, esp32_partition_get_next_update);
STATIC mp_obj_t esp32_partition_mark_app_valid_cancel_rollback(mp_obj_t cls_in) {
check_esp_err(esp_ota_mark_app_valid_cancel_rollback());
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(esp32_partition_mark_app_valid_cancel_rollback_fun_obj,
esp32_partition_mark_app_valid_cancel_rollback);
STATIC MP_DEFINE_CONST_CLASSMETHOD_OBJ(esp32_partition_mark_app_valid_cancel_rollback_obj,
MP_ROM_PTR(&esp32_partition_mark_app_valid_cancel_rollback_fun_obj));
STATIC const mp_rom_map_elem_t esp32_partition_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_find), MP_ROM_PTR(&esp32_partition_find_obj) },
@@ -218,6 +227,7 @@ STATIC const mp_rom_map_elem_t esp32_partition_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_ioctl), MP_ROM_PTR(&esp32_partition_ioctl_obj) },
{ MP_ROM_QSTR(MP_QSTR_set_boot), MP_ROM_PTR(&esp32_partition_set_boot_obj) },
{ MP_ROM_QSTR(MP_QSTR_mark_app_valid_cancel_rollback), MP_ROM_PTR(&esp32_partition_mark_app_valid_cancel_rollback_obj) },
{ MP_ROM_QSTR(MP_QSTR_get_next_update), MP_ROM_PTR(&esp32_partition_get_next_update_obj) },
{ MP_ROM_QSTR(MP_QSTR_BOOT), MP_ROM_INT(ESP32_PARTITION_BOOT) },