esp-idf/components/wear_levelling/SPI_Flash.cpp

78 wiersze
2.2 KiB
C++

/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "esp_log.h"
#include "SPI_Flash.h"
#include "spi_flash_mmap.h"
#include "esp_flash.h"
static const char *TAG = "spi_flash";
SPI_Flash::SPI_Flash()
{
}
size_t SPI_Flash::chip_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)
{
esp_err_t result = esp_flash_erase_region(NULL, sector * SPI_FLASH_SEC_SIZE, SPI_FLASH_SEC_SIZE);;
if (result == ESP_OK) {
ESP_LOGV(TAG, "erase_sector - sector=0x%08x, result=0x%08x", sector, result);
} else {
ESP_LOGE(TAG, "erase_sector - sector=0x%08x, result=0x%08x", sector, result);
}
return result;
}
esp_err_t SPI_Flash::erase_range(size_t start_address, size_t size)
{
size = (size + SPI_FLASH_SEC_SIZE - 1) / SPI_FLASH_SEC_SIZE;
size = size * SPI_FLASH_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%08x, size=0x%08x, result=0x%08x", start_address, size, result);
} else {
ESP_LOGE(TAG, "erase_range - start_address=0x%08x, size=0x%08x, result=0x%08x", start_address, 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%08x, size=0x%08x, result=0x%08x", dest_addr, size, result);
} else {
ESP_LOGE(TAG, "write - dest_addr=0x%08x, size=0x%08x, result=0x%08x", dest_addr, 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%08x, size=0x%08x, result=0x%08x", src_addr, size, result);
} else {
ESP_LOGE(TAG, "read - src_addr=0x%08x, size=0x%08x, result=0x%08x", src_addr, size, result);
}
return result;
}
size_t SPI_Flash::sector_size()
{
return SPI_FLASH_SEC_SIZE;
}
SPI_Flash::~SPI_Flash()
{
}