107 lines
4.6 KiB
C
107 lines
4.6 KiB
C
// Copyright 2018 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include "esp_flash_data_types.h"
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/// Type of hold a GPIO in low state
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typedef enum {
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GPIO_LONG_HOLD = 1, /*!< The long hold GPIO */
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GPIO_SHORT_HOLD = -1, /*!< The short hold GPIO */
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GPIO_NOT_HOLD = 0 /*!< If the GPIO input is not low */
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} esp_comm_gpio_hold_t;
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/**
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* @brief Calculate crc for the OTA data partition.
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*
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* @param[in] ota_data The OTA data partition.
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* @return Returns crc value.
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*/
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uint32_t bootloader_common_ota_select_crc(const esp_ota_select_entry_t *s);
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/**
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* @brief Verifies the validity of the OTA data partition
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*
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* @param[in] ota_data The OTA data partition.
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* @return Returns true on valid, false otherwise.
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*/
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bool bootloader_common_ota_select_valid(const esp_ota_select_entry_t *s);
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/**
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* @brief Check if the GPIO input is a long hold or a short hold.
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*
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* Number of the GPIO input will be configured as an input with internal pull-up enabled.
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* If the GPIO input is held low continuously for delay_sec period then it is a long hold.
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* If the GPIO input is held low for less period then it is a short hold.
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*
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* @param[in] num_pin Number of the GPIO input.
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* @param[in] delay_sec Input must be driven low for at least this long, continuously.
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* @return esp_comm_gpio_hold_t Defines type of hold a GPIO in low state.
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*/
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esp_comm_gpio_hold_t bootloader_common_check_long_hold_gpio(uint32_t num_pin, uint32_t delay_sec);
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/**
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* @brief Erase the partition data that is specified in the transferred list.
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*
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* @param[in] list_erase String containing a list of cleared partitions. Like this "nvs, phy". The string must be null-terminal.
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* @param[in] ota_data_erase If true then the OTA data partition will be cleared (if there is it in partition table).
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* @return Returns true on success, false otherwise.
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*/
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bool bootloader_common_erase_part_type_data(const char *list_erase, bool ota_data_erase);
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/**
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* @brief Determines if the list contains the label
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*
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* @param[in] list A string of names delimited by commas or spaces. Like this "nvs, phy, data". The string must be null-terminated.
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* @param[in] label The substring that will be searched in the list.
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* @return Returns true if the list contains the label, false otherwise.
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*/
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bool bootloader_common_label_search(const char *list, char *label);
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/**
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* @brief Calculates a sha-256 for a given partition or returns a appended digest.
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*
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* This function can be used to return the SHA-256 digest of application, bootloader and data partitions.
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* For apps with SHA-256 appended to the app image, the result is the appended SHA-256 value for the app image content.
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* The hash is verified before returning, if app content is invalid then the function returns ESP_ERR_IMAGE_INVALID.
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* For apps without SHA-256 appended to the image, the result is the SHA-256 of all bytes in the app image.
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* For other partition types, the result is the SHA-256 of the entire partition.
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*
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* @param[in] address Address of partition.
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* @param[in] size Size of partition.
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* @param[in] type Type of partition. For applications the type is 0, otherwise type is data.
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* @param[out] out_sha_256 Returned SHA-256 digest for a given partition.
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*
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* @return
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* - ESP_OK: In case of successful operation.
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* - ESP_ERR_INVALID_ARG: The size was 0 or the sha_256 was NULL.
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* - ESP_ERR_NO_MEM: Cannot allocate memory for sha256 operation.
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* - ESP_ERR_IMAGE_INVALID: App partition doesn't contain a valid app image.
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* - ESP_FAIL: An allocation error occurred.
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*/
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esp_err_t bootloader_common_get_sha256_of_partition(uint32_t address, uint32_t size, int type, uint8_t *out_sha_256);
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/**
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* @brief Configure VDDSDIO, call this API to rise VDDSDIO to 1.9V when VDDSDIO regulator is enabled as 1.8V mode.
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*/
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void bootloader_common_vddsdio_configure();
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/**
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* @brief Set the flash CS setup and hold time.
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*
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* CS setup time is recomemded to be 1.5T, and CS hold time is recommended to be 2.5T.
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* cs_setup = 1, cs_setup_time = 0; cs_hold = 1, cs_hold_time = 1
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*/
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void bootloader_common_set_flash_cs_timing();
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