69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
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/*
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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 "../../bootloader/src/main/bootloader_config.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 (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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partition_info_t pi;
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esp_err_t err = spi_flash_read (
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PARTITION_ADD + 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 != 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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