kopia lustrzana https://github.com/espressif/esp-idf
71 wiersze
2.1 KiB
C
71 wiersze
2.1 KiB
C
// Copyright 2021 Espressif Systems (Shanghai) CO 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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// 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 Licens
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#include "esp_partition.h"
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#include "esp_spi_flash.h"
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#include "openthread/instance.h"
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#include "openthread/platform/flash.h"
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#include "openthread/platform/settings.h"
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#define ESP_OT_FLASH_PAGE_NUM 2
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#define ESP_OT_FLASH_PAGE_SIZE 4096
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static const esp_partition_t *s_ot_partition = NULL;
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void otPlatFlashInit(otInstance *instance)
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{
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s_ot_partition = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_ANY, CONFIG_OPENTHREAD_PARTITION_NAME);
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assert(s_ot_partition != NULL);
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assert(s_ot_partition->size >= otPlatFlashGetSwapSize(instance));
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}
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uint32_t otPlatFlashGetSwapSize(otInstance *instance)
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{
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return ESP_OT_FLASH_PAGE_SIZE;
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}
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void otPlatFlashErase(otInstance *instance, uint8_t index)
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{
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uint32_t address = ESP_OT_FLASH_PAGE_SIZE * (index != 0);
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uint32_t size = ESP_OT_FLASH_PAGE_SIZE;
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esp_err_t err = ESP_OK;
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err = esp_partition_erase_range(s_ot_partition, address, size);
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assert(err == ESP_OK);
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}
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void otPlatFlashRead(otInstance *instance, uint8_t index, uint32_t offset, void *data, uint32_t size)
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{
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esp_err_t err = ESP_OK;
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offset += ESP_OT_FLASH_PAGE_SIZE * (index != 0);
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err = esp_partition_read(s_ot_partition, offset, data, size);
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assert(err == ESP_OK);
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}
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void otPlatFlashWrite(otInstance *instance, uint8_t index, uint32_t offset, const void *data, uint32_t size)
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{
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esp_err_t err = ESP_OK;
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offset += ESP_OT_FLASH_PAGE_SIZE * (index != 0);
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err = esp_partition_write(s_ot_partition, offset, data, size);
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assert(err == ESP_OK);
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}
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