kopia lustrzana https://github.com/espressif/esp-idf
121 wiersze
3.4 KiB
C
121 wiersze
3.4 KiB
C
// Copyright 2015-2019 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_err.h"
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#include <stdint.h>
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#include <stdbool.h>
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#include <driver/spi_common_internal.h>
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#include "sdkconfig.h"
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#include "esp_flash.h"
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/** Internal API, don't use in the applications */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** @brief Initialise the default SPI flash chip
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*
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* Called by OS startup code. You do not need to call this in your own applications.
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*/
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#ifdef CONFIG_SPI_FLASH_USE_LEGACY_IMPL
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#define esp_flash_init_default_chip(...) ({ESP_OK;})
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#else
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esp_err_t esp_flash_init_default_chip(void);
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#endif
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/**
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* Enable OS-level SPI flash protections in IDF
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*
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* Called by OS startup code. You do not need to call this in your own applications.
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*
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* @return ESP_OK if success, otherwise failed. See return value of ``esp_flash_init_os_functions``.
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*/
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#ifdef CONFIG_SPI_FLASH_USE_LEGACY_IMPL
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#define esp_flash_app_init(...) ({ESP_OK;})
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#else
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esp_err_t esp_flash_app_init(void);
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#endif
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/**
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* Disable (or enable) OS-level SPI flash protections in IDF
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*
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* Called by the IDF internal code (e.g. coredump). You do not need to call this in your own applications.
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*
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* @return always ESP_OK.
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*/
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#ifdef CONFIG_SPI_FLASH_USE_LEGACY_IMPL
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#define esp_flash_app_disable_protect(...) ({ESP_OK;})
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#else
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esp_err_t esp_flash_app_disable_protect(bool disable);
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#endif
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/**
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* Initialize OS-level functions for a specific chip.
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*
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* @param chip The chip to init os functions.
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* @param host_id Which SPI host to use, 1 for SPI1, 2 for SPI2 (HSPI), 3 for SPI3 (VSPI)
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* @param out_dev_id Output of occupied device slot
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*
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* @return
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* - ESP_OK if success
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* - ESP_ERR_INVALID_ARG if host_id is invalid
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*/
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esp_err_t esp_flash_init_os_functions(esp_flash_t *chip, int host_id, int *out_dev_id);
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/**
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* @brief Deinitialize OS-level functions
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*
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* @param chip The chip to deinit os functions
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* @return always ESP_OK.
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*/
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esp_err_t esp_flash_deinit_os_functions(esp_flash_t* chip);
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/**
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* @brief Initialize the bus lock on the SPI1 bus. Should be called if drivers (including esp_flash)
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* wants to use SPI1 bus.
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*
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* @note When using legacy spi flash API, the bus lock will not be available on SPI1 bus.
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*
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* @return esp_err_t always ESP_OK.
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*/
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esp_err_t esp_flash_init_main_bus_lock(void);
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/**
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* Initialize OS-level functions for the main flash chip.
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*
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* @param chip The chip to init os functions. Only pointer to the default chip is supported now.
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*
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* @return always ESP_OK
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*/
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esp_err_t esp_flash_app_enable_os_functions(esp_flash_t* chip);
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/**
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* Disable OS-level functions for the main flash chip during special phases (e.g. coredump)
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*
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* @param chip The chip to init os functions. Only "esp_flash_default_chip" is supported now.
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*
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* @return always ESP_OK
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*/
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esp_err_t esp_flash_app_disable_os_functions(esp_flash_t* chip);
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#ifdef __cplusplus
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}
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#endif
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