ESP-IDF
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Outline
#include "esp_log.h"
#include "SPI_Flash.h"
#include "esp_flash.h"
#include <inttypes.h>
#include "esp_partition.h"
TAG
SPI_Flash::SPI_Flash()
SPI_Flash::get_flash_size()
SPI_Flash::erase_sector(size_t)
SPI_Flash::erase_range(size_t, size_t)
SPI_Flash::write(size_t, const void *, size_t)
SPI_Flash::read(size_t, void *, size_t)
SPI_Flash::get_sector_size()
SPI_Flash::~SPI_Flash()
Files
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SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/wear_levelling/SPI_Flash.cpp
 
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/* * SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 *//* ... */ #include "esp_log.h" #include "SPI_Flash.h" #include "esp_flash.h" #include <inttypes.h> #include "esp_partition.h"5 includes static const char *TAG = "spi_flash"; SPI_Flash::SPI_Flash() { }{ ... } size_t SPI_Flash::get_flash_size() { uint32_t chip_size; esp_flash_get_size(NULL, &chip_size); return chip_size; }{ ... } esp_err_t SPI_Flash::erase_sector(size_t sector) { const uint32_t sec_size = esp_partition_get_main_flash_sector_size(); esp_err_t result = esp_flash_erase_region(NULL, sector * sec_size, sec_size);; if (result == ESP_OK) { ESP_LOGV(TAG, "erase_sector - sector=0x%08" PRIx32 ", result=0x%08x", (uint32_t) sector, result); }{...} else { ESP_LOGE(TAG, "erase_sector - sector=0x%08" PRIx32 ", result=0x%08x", (uint32_t) sector, result); }{...} return result; }{ ... } esp_err_t SPI_Flash::erase_range(size_t start_address, size_t size) { const uint32_t sec_size = esp_partition_get_main_flash_sector_size(); size = (size + sec_size - 1) / sec_size; size = size * sec_size; esp_err_t result = esp_flash_erase_region(NULL, start_address, size); if (result == ESP_OK) { ESP_LOGV(TAG, "erase_range - start_address=0x%08" PRIx32 ", size=0x%08" PRIx32 ", result=0x%08x", (uint32_t) start_address, (uint32_t) size, result); }{...} else { ESP_LOGE(TAG, "erase_range - start_address=0x%08" PRIx32 ", size=0x%08" PRIx32 ", result=0x%08x", (uint32_t) start_address, (uint32_t) size, result); }{...} return result; }{ ... } esp_err_t SPI_Flash::write(size_t dest_addr, const void *src, size_t size) { esp_err_t result = esp_flash_write(NULL, src, dest_addr, size); if (result == ESP_OK) { ESP_LOGV(TAG, "write - dest_addr=0x%08" PRIx32 ", size=0x%08" PRIx32 ", result=0x%08x", (uint32_t) dest_addr, (uint32_t) size, result); }{...} else { ESP_LOGE(TAG, "write - dest_addr=0x%08" PRIx32 ", size=0x%08" PRIx32 ", result=0x%08x", (uint32_t) dest_addr, (uint32_t) size, result); }{...} return result; }{ ... } esp_err_t SPI_Flash::read(size_t src_addr, void *dest, size_t size) { esp_err_t result = esp_flash_read(NULL, dest, src_addr, size); if (result == ESP_OK) { ESP_LOGV(TAG, "read - src_addr=0x%08" PRIx32 ", size=0x%08" PRIx32 ", result=0x%08x", (uint32_t) src_addr, (uint32_t) size, result); }{...} else { ESP_LOGE(TAG, "read - src_addr=0x%08" PRIx32 ", size=0x%08" PRIx32 ", result=0x%08x", (uint32_t) src_addr, (uint32_t) size, result); }{...} return result; }{ ... } size_t SPI_Flash::get_sector_size() { return esp_partition_get_main_flash_sector_size();; }{ ... } SPI_Flash::~SPI_Flash() { }{ ... }
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