mirror of
https://github.com/nodemcu/nodemcu-firmware.git
synced 2025-02-06 21:18:25 +08:00
5c1bb4c6d6
WiFi STA module updated to reflect IDF name changes. Platform flash and partition api updated to reflect IDF name changes. Eventually these (and the SPIFFS module) will likely need to be updated to exclusively work with the esp_partition_xxx() functions in order to support working with encrypted flash.
108 lines
3.5 KiB
C
108 lines
3.5 KiB
C
/*
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* Copyright 2016 Dius Computing Pty Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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* - Neither the name of the copyright holders nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @author Johny Mattsson <jmattsson@dius.com.au>
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*/
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#include "platform.h"
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#include <string.h>
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#include <stdlib.h>
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#include "esp_flash_data_types.h"
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#include "esp_spi_flash.h"
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static inline bool possible_idx (uint8_t idx)
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{
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return ((idx +1) * sizeof (esp_partition_info_t)) < SPI_FLASH_SEC_SIZE;
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}
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bool platform_partition_info (uint8_t idx, platform_partition_t *info)
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{
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if (!possible_idx (idx))
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return false;
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esp_partition_info_t pi;
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esp_err_t err = spi_flash_read (
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ESP_PARTITION_TABLE_ADDR + idx * sizeof(pi), (uint32_t *)&pi, sizeof (pi));
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if (err != ESP_OK)
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return false;
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if (pi.magic != ESP_PARTITION_MAGIC)
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return false;
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memcpy (info->label, pi.label, sizeof (info->label));
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info->offs = pi.pos.offset;
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info->size = pi.pos.size;
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info->type = pi.type;
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info->subtype = pi.subtype;
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return true;
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}
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bool platform_partition_add (const platform_partition_t *info)
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{
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esp_partition_info_t *part_table =
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(esp_partition_info_t *)malloc(SPI_FLASH_SEC_SIZE);
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if (!part_table)
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return false;
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esp_err_t err = spi_flash_read (
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ESP_PARTITION_TABLE_ADDR, (uint32_t *)part_table, SPI_FLASH_SEC_SIZE);
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if (err != ESP_OK)
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goto out;
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uint8_t idx = 0;
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for (; possible_idx (idx); ++idx)
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if (part_table[idx].magic != ESP_PARTITION_MAGIC)
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break;
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if (possible_idx (idx))
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{
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esp_partition_info_t *slot = &part_table[idx];
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slot->magic = ESP_PARTITION_MAGIC;
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slot->type = info->type;
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slot->subtype = info->subtype;
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slot->pos.offset = info->offs;
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slot->pos.size = info->size;
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memcpy (slot->label, info->label, sizeof (slot->label));
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memset (slot->reserved, 0xff, sizeof (slot->reserved));
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err = spi_flash_erase_sector (
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ESP_PARTITION_TABLE_ADDR / SPI_FLASH_SEC_SIZE);
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if (err == ESP_OK)
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err = spi_flash_write (
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ESP_PARTITION_TABLE_ADDR, (uint32_t *)part_table, SPI_FLASH_SEC_SIZE);
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}
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out:
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free (part_table);
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return err == ESP_OK;
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}
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