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# SPDX-FileCopyrightText: 2020 Foundation Devices, Inc. <hello@foundationdevices.com>
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# SPDX-License-Identifier: GPL-3.0-or-later
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#
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CAMERA_WIDTH = 330
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CAMERA_HEIGHT = 396
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VIEWFINDER_WIDTH = 240
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VIEWFINDER_HEIGHT = 240
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# External SPI Flash constants
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# Must write with a multiple of this size
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SPI_FLASH_PAGE_SIZE = 256
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# Must erase with a multiple of these sizes
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SPI_FLASH_SECTOR_SIZE = 4096
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SPI_FLASH_BLOCK_SIZE = 65536
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SPI_FLASH_TOTAL_SIZE = 2048 * 1024
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# Flash cache
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FLASH_CACHE_TOTAL_SIZE = 256 * 1024
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FLASH_CACHE_START = SPI_FLASH_TOTAL_SIZE - FLASH_CACHE_TOTAL_SIZE
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FLASH_CACHE_END = SPI_FLASH_TOTAL_SIZE
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FLASH_CACHE_BLOCK_SIZE = 16 * 1024
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FLASH_CACHE_CHECKSUM_SIZE = 32
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FLASH_CACHE_MAX_JSON_LEN = FLASH_CACHE_BLOCK_SIZE - FLASH_CACHE_CHECKSUM_SIZE
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# Flash usage for PSBT signing
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PSBT_MAX_SIZE = (SPI_FLASH_TOTAL_SIZE - FLASH_CACHE_TOTAL_SIZE) # Total size available for both input and output
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# Flash firmware constants
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FW_MAX_SIZE = SPI_FLASH_TOTAL_SIZE - FLASH_CACHE_TOTAL_SIZE
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FW_HEADER_SIZE = 2048
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FW_ACTUAL_HEADER_SIZE = 170 # passport_firmware_header_t uses this many bytes
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MAX_PASSPHRASE_LENGTH = 64
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MAX_ACCOUNT_NAME_LEN = 20
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MAX_MULTISIG_NAME_LEN = 20
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DEFAULT_ACCOUNT_ENTRY = {'name': 'Primary', 'acct_num': 0}
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# Maximum amount of characters in a text entry screen
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MAX_MESSAGE_LEN = 64
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