feat(wear_levelling): Added BDL support

components/wear_levelling/BDL_Access.cpp

@@ -0,0 +1,63 @@
+/*
+ * SPDX-FileCopyrightText: 2026 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "BDL_Access.h"
+#include <assert.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include "esp_log.h"
+
+static const char *TAG = "wl_bdl_access";
+
+BDL_Access::BDL_Access(esp_blockdev_handle_t bdl_device)
+    : bdl_device(bdl_device)
+{
+    assert(bdl_device != ESP_BLOCKDEV_HANDLE_INVALID);
+}
+
+size_t BDL_Access::get_flash_size()
+{
+    assert(this->bdl_device->geometry.disk_size <= SIZE_MAX);
+    return (size_t)this->bdl_device->geometry.disk_size;
+}
+
+esp_err_t BDL_Access::erase_sector(size_t sector)
+{
+    size_t erase_size = this->bdl_device->geometry.erase_size;
+    return this->bdl_device->ops->erase(this->bdl_device, sector * erase_size, erase_size);
+}
+
+esp_err_t BDL_Access::erase_range(size_t start_address, size_t size)
+{
+    ESP_LOGV(TAG, "%s - start_address=0x%08" PRIx32 ", size=0x%08" PRIx32, __func__, (uint32_t)start_address, (uint32_t)size);
+    return this->bdl_device->ops->erase(this->bdl_device, start_address, size);
+}
+
+esp_err_t BDL_Access::write(size_t dest_addr, const void *src, size_t size)
+{
+    ESP_LOGV(TAG, "%s - dest_addr=0x%08" PRIx32 ", size=0x%08" PRIx32, __func__, (uint32_t)dest_addr, (uint32_t)size);
+    return this->bdl_device->ops->write(this->bdl_device, (const uint8_t *)src, dest_addr, size);
+}
+
+esp_err_t BDL_Access::read(size_t src_addr, void *dest, size_t size)
+{
+    ESP_LOGV(TAG, "%s - src_addr=0x%08" PRIx32 ", size=0x%08" PRIx32, __func__, (uint32_t)src_addr, (uint32_t)size);
+    return this->bdl_device->ops->read(this->bdl_device, (uint8_t *)dest, size, src_addr, size);
+}
+
+size_t BDL_Access::get_sector_size()
+{
+    return this->bdl_device->geometry.erase_size;
+}
+
+bool BDL_Access::is_readonly()
+{
+    return this->bdl_device->device_flags.read_only;
+}
+
+BDL_Access::~BDL_Access()
+{
+}