2018-11-15 16:00:27 -05:00
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#!/usr/bin/env python
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#
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# otatool is used to perform ota-level operations - flashing ota partition
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# erasing ota partition and switching ota partition
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#
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# Copyright 2018 Espressif Systems (Shanghai) PTE 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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#
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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 License.
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2021-01-25 21:49:01 -05:00
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from __future__ import division, print_function
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2018-11-15 16:00:27 -05:00
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import argparse
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import binascii
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import collections
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import os
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2018-11-15 16:00:27 -05:00
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import struct
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import sys
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import tempfile
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2018-11-15 16:00:27 -05:00
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2019-05-26 23:08:28 -04:00
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try:
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from parttool import PARTITION_TABLE_OFFSET, PartitionName, PartitionType, ParttoolTarget
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except ImportError:
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COMPONENTS_PATH = os.path.expandvars(os.path.join('$IDF_PATH', 'components'))
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PARTTOOL_DIR = os.path.join(COMPONENTS_PATH, 'partition_table')
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2018-11-15 16:00:27 -05:00
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2019-05-26 23:08:28 -04:00
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sys.path.append(PARTTOOL_DIR)
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from parttool import PARTITION_TABLE_OFFSET, PartitionName, PartitionType, ParttoolTarget
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__version__ = '2.0'
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SPI_FLASH_SEC_SIZE = 0x2000
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quiet = False
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def status(msg):
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if not quiet:
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print(msg)
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2019-05-26 23:08:28 -04:00
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class OtatoolTarget():
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OTADATA_PARTITION = PartitionType('data', 'ota')
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2019-07-10 08:11:12 -04:00
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def __init__(self, port=None, baud=None, partition_table_offset=PARTITION_TABLE_OFFSET, partition_table_file=None,
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spi_flash_sec_size=SPI_FLASH_SEC_SIZE, esptool_args=[], esptool_write_args=[],
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esptool_read_args=[], esptool_erase_args=[]):
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self.target = ParttoolTarget(port, baud, partition_table_offset, partition_table_file, esptool_args,
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esptool_write_args, esptool_read_args, esptool_erase_args)
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self.spi_flash_sec_size = spi_flash_sec_size
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temp_file = tempfile.NamedTemporaryFile(delete=False)
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temp_file.close()
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try:
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self.target.read_partition(OtatoolTarget.OTADATA_PARTITION, temp_file.name)
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with open(temp_file.name, 'rb') as f:
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self.otadata = f.read()
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finally:
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os.unlink(temp_file.name)
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def _check_otadata_partition(self):
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if not self.otadata:
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raise Exception('No otadata partition found')
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def erase_otadata(self):
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self._check_otadata_partition()
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self.target.erase_partition(OtatoolTarget.OTADATA_PARTITION)
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def _get_otadata_info(self):
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info = []
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otadata_info = collections.namedtuple('otadata_info', 'seq crc')
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for i in range(2):
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start = i * (self.spi_flash_sec_size >> 1)
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seq = bytearray(self.otadata[start:start + 4])
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crc = bytearray(self.otadata[start + 28:start + 32])
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seq = struct.unpack('I', seq)
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crc = struct.unpack('I', crc)
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info.append(otadata_info(seq[0], crc[0]))
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return info
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def _get_partition_id_from_ota_id(self, ota_id):
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if isinstance(ota_id, int):
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return PartitionType('app', 'ota_' + str(ota_id))
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else:
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return PartitionName(ota_id)
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def switch_ota_partition(self, ota_id):
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self._check_otadata_partition()
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sys.path.append(PARTTOOL_DIR)
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import gen_esp32part as gen
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def is_otadata_info_valid(status):
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seq = status.seq % (1 << 32)
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crc = binascii.crc32(struct.pack('I', seq), 0xFFFFFFFF) % (1 << 32)
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return seq < (int('0xFFFFFFFF', 16) % (1 << 32)) and status.crc == crc
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partition_table = self.target.partition_table
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ota_partitions = list()
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for i in range(gen.NUM_PARTITION_SUBTYPE_APP_OTA):
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ota_partition = filter(lambda p: p.subtype == (gen.MIN_PARTITION_SUBTYPE_APP_OTA + i), partition_table)
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try:
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ota_partitions.append(list(ota_partition)[0])
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except IndexError:
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break
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ota_partitions = sorted(ota_partitions, key=lambda p: p.subtype)
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if not ota_partitions:
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raise Exception('No ota app partitions found')
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# Look for the app partition to switch to
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ota_partition_next = None
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try:
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if isinstance(ota_id, int):
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ota_partition_next = filter(lambda p: p.subtype - gen.MIN_PARTITION_SUBTYPE_APP_OTA == ota_id, ota_partitions)
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else:
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ota_partition_next = filter(lambda p: p.name == ota_id, ota_partitions)
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ota_partition_next = list(ota_partition_next)[0]
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except IndexError:
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raise Exception('Partition to switch to not found')
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otadata_info = self._get_otadata_info()
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# Find the copy to base the computation for ota sequence number on
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otadata_compute_base = -1
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# Both are valid, take the max as computation base
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if is_otadata_info_valid(otadata_info[0]) and is_otadata_info_valid(otadata_info[1]):
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if otadata_info[0].seq >= otadata_info[1].seq:
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otadata_compute_base = 0
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else:
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otadata_compute_base = 1
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# Only one copy is valid, use that
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elif is_otadata_info_valid(otadata_info[0]):
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otadata_compute_base = 0
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elif is_otadata_info_valid(otadata_info[1]):
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otadata_compute_base = 1
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# Both are invalid (could be initial state - all 0xFF's)
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else:
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pass
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ota_seq_next = 0
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ota_partitions_num = len(ota_partitions)
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target_seq = (ota_partition_next.subtype & 0x0F) + 1
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# Find the next ota sequence number
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if otadata_compute_base == 0 or otadata_compute_base == 1:
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base_seq = otadata_info[otadata_compute_base].seq % (1 << 32)
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i = 0
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while base_seq > target_seq % ota_partitions_num + i * ota_partitions_num:
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i += 1
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ota_seq_next = target_seq % ota_partitions_num + i * ota_partitions_num
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else:
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ota_seq_next = target_seq
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# Create binary data from computed values
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ota_seq_next = struct.pack('I', ota_seq_next)
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ota_seq_crc_next = binascii.crc32(ota_seq_next, 0xFFFFFFFF) % (1 << 32)
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ota_seq_crc_next = struct.pack('I', ota_seq_crc_next)
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temp_file = tempfile.NamedTemporaryFile(delete=False)
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temp_file.close()
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try:
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with open(temp_file.name, 'wb') as otadata_next_file:
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start = (1 if otadata_compute_base == 0 else 0) * (self.spi_flash_sec_size >> 1)
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otadata_next_file.write(self.otadata)
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otadata_next_file.seek(start)
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otadata_next_file.write(ota_seq_next)
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otadata_next_file.seek(start + 28)
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otadata_next_file.write(ota_seq_crc_next)
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otadata_next_file.flush()
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self.target.write_partition(OtatoolTarget.OTADATA_PARTITION, temp_file.name)
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finally:
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os.unlink(temp_file.name)
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def read_ota_partition(self, ota_id, output):
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self.target.read_partition(self._get_partition_id_from_ota_id(ota_id), output)
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def write_ota_partition(self, ota_id, input):
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self.target.write_partition(self._get_partition_id_from_ota_id(ota_id), input)
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def erase_ota_partition(self, ota_id):
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self.target.erase_partition(self._get_partition_id_from_ota_id(ota_id))
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def _read_otadata(target):
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target._check_otadata_partition()
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otadata_info = target._get_otadata_info()
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print(' {:8s} \t {:8s} | \t {:8s} \t {:8s}'.format('OTA_SEQ', 'CRC', 'OTA_SEQ', 'CRC'))
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print('Firmware: 0x{:08x} \t0x{:08x} | \t0x{:08x} \t 0x{:08x}'.format(otadata_info[0].seq, otadata_info[0].crc,
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otadata_info[1].seq, otadata_info[1].crc))
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def _erase_otadata(target):
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target.erase_otadata()
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status('Erased ota_data partition contents')
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def _switch_ota_partition(target, ota_id):
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target.switch_ota_partition(ota_id)
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def _read_ota_partition(target, ota_id, output):
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target.read_ota_partition(ota_id, output)
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status('Read ota partition contents to file {}'.format(output))
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def _write_ota_partition(target, ota_id, input):
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target.write_ota_partition(ota_id, input)
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status('Written contents of file {} to ota partition'.format(input))
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def _erase_ota_partition(target, ota_id):
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target.erase_ota_partition(ota_id)
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status('Erased contents of ota partition')
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def main():
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if sys.version_info[0] < 3:
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print('WARNING: Support for Python 2 is deprecated and will be removed in future versions.', file=sys.stderr)
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2020-11-04 17:32:40 -05:00
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elif sys.version_info[0] == 3 and sys.version_info[1] < 6:
|
2021-01-25 21:49:01 -05:00
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|
print('WARNING: Python 3 versions older than 3.6 are not supported.', file=sys.stderr)
|
2018-11-15 16:00:27 -05:00
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|
|
global quiet
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|
2021-01-25 21:49:01 -05:00
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|
parser = argparse.ArgumentParser('ESP-IDF OTA Partitions Tool')
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2018-11-15 16:00:27 -05:00
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2021-01-25 21:49:01 -05:00
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parser.add_argument('--quiet', '-q', help='suppress stderr messages', action='store_true')
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|
parser.add_argument('--esptool-args', help='additional main arguments for esptool', nargs='+')
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parser.add_argument('--esptool-write-args', help='additional subcommand arguments for esptool write_flash', nargs='+')
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parser.add_argument('--esptool-read-args', help='additional subcommand arguments for esptool read_flash', nargs='+')
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parser.add_argument('--esptool-erase-args', help='additional subcommand arguments for esptool erase_region', nargs='+')
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2018-11-15 16:00:27 -05:00
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# There are two possible sources for the partition table: a device attached to the host
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# or a partition table CSV/binary file. These sources are mutually exclusive.
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2021-01-25 21:49:01 -05:00
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parser.add_argument('--port', '-p', help='port where the device to read the partition table from is attached')
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2018-11-15 16:00:27 -05:00
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2021-01-25 21:49:01 -05:00
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parser.add_argument('--baud', '-b', help='baudrate to use', type=int)
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2019-07-10 08:11:12 -04:00
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2021-01-25 21:49:01 -05:00
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parser.add_argument('--partition-table-offset', '-o', help='offset to read the partition table from', type=str)
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2018-11-15 16:00:27 -05:00
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2021-01-25 21:49:01 -05:00
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parser.add_argument('--partition-table-file', '-f', help='file (CSV/binary) to read the partition table from; \
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|
overrides device attached to specified port as the partition table source when defined')
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2018-11-15 16:00:27 -05:00
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|
2021-01-25 21:49:01 -05:00
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subparsers = parser.add_subparsers(dest='operation', help='run otatool -h for additional help')
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2018-11-15 16:00:27 -05:00
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|
2019-05-26 23:08:28 -04:00
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spi_flash_sec_size = argparse.ArgumentParser(add_help=False)
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2021-01-25 21:49:01 -05:00
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|
spi_flash_sec_size.add_argument('--spi-flash-sec-size', help='value of SPI_FLASH_SEC_SIZE macro', type=str)
|
2019-05-26 23:08:28 -04:00
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|
2018-11-15 16:00:27 -05:00
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|
# Specify the supported operations
|
2021-01-25 21:49:01 -05:00
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|
subparsers.add_parser('read_otadata', help='read otadata partition', parents=[spi_flash_sec_size])
|
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|
subparsers.add_parser('erase_otadata', help='erase otadata partition')
|
2018-11-15 16:00:27 -05:00
|
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|
|
slot_or_name_parser = argparse.ArgumentParser(add_help=False)
|
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|
|
slot_or_name_parser_args = slot_or_name_parser.add_mutually_exclusive_group()
|
2021-01-25 21:49:01 -05:00
|
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|
slot_or_name_parser_args.add_argument('--slot', help='slot number of the ota partition', type=int)
|
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|
|
slot_or_name_parser_args.add_argument('--name', help='name of the ota partition')
|
2018-11-15 16:00:27 -05:00
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|
2021-01-25 21:49:01 -05:00
|
|
|
subparsers.add_parser('switch_ota_partition', help='switch otadata partition', parents=[slot_or_name_parser, spi_flash_sec_size])
|
2018-11-15 16:00:27 -05:00
|
|
|
|
2021-01-25 21:49:01 -05:00
|
|
|
read_ota_partition_subparser = subparsers.add_parser('read_ota_partition', help='read contents of an ota partition', parents=[slot_or_name_parser])
|
|
|
|
read_ota_partition_subparser.add_argument('--output', help='file to write the contents of the ota partition to')
|
2018-11-15 16:00:27 -05:00
|
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|
|
2021-01-25 21:49:01 -05:00
|
|
|
write_ota_partition_subparser = subparsers.add_parser('write_ota_partition', help='write contents to an ota partition', parents=[slot_or_name_parser])
|
|
|
|
write_ota_partition_subparser.add_argument('--input', help='file whose contents to write to the ota partition')
|
2018-11-15 16:00:27 -05:00
|
|
|
|
2021-01-25 21:49:01 -05:00
|
|
|
subparsers.add_parser('erase_ota_partition', help='erase contents of an ota partition', parents=[slot_or_name_parser])
|
2018-11-15 16:00:27 -05:00
|
|
|
|
|
|
|
args = parser.parse_args()
|
|
|
|
|
|
|
|
quiet = args.quiet
|
|
|
|
|
|
|
|
# No operation specified, display help and exit
|
|
|
|
if args.operation is None:
|
|
|
|
if not quiet:
|
|
|
|
parser.print_help()
|
|
|
|
sys.exit(1)
|
|
|
|
|
2019-05-26 23:08:28 -04:00
|
|
|
target_args = {}
|
|
|
|
|
|
|
|
if args.port:
|
2021-01-25 21:49:01 -05:00
|
|
|
target_args['port'] = args.port
|
2019-05-26 23:08:28 -04:00
|
|
|
|
|
|
|
if args.partition_table_file:
|
2021-01-25 21:49:01 -05:00
|
|
|
target_args['partition_table_file'] = args.partition_table_file
|
2019-05-26 23:08:28 -04:00
|
|
|
|
|
|
|
if args.partition_table_offset:
|
2021-01-25 21:49:01 -05:00
|
|
|
target_args['partition_table_offset'] = int(args.partition_table_offset, 0)
|
2019-05-26 23:08:28 -04:00
|
|
|
|
|
|
|
try:
|
|
|
|
if args.spi_flash_sec_size:
|
2021-01-25 21:49:01 -05:00
|
|
|
target_args['spi_flash_sec_size'] = int(args.spi_flash_sec_size, 0)
|
2019-05-26 23:08:28 -04:00
|
|
|
except AttributeError:
|
|
|
|
pass
|
|
|
|
|
2019-03-28 02:07:53 -04:00
|
|
|
if args.esptool_args:
|
2021-01-25 21:49:01 -05:00
|
|
|
target_args['esptool_args'] = args.esptool_args
|
2019-03-28 02:07:53 -04:00
|
|
|
|
|
|
|
if args.esptool_write_args:
|
2021-01-25 21:49:01 -05:00
|
|
|
target_args['esptool_write_args'] = args.esptool_write_args
|
2019-03-28 02:07:53 -04:00
|
|
|
|
|
|
|
if args.esptool_read_args:
|
2021-01-25 21:49:01 -05:00
|
|
|
target_args['esptool_read_args'] = args.esptool_read_args
|
2019-03-28 02:07:53 -04:00
|
|
|
|
|
|
|
if args.esptool_erase_args:
|
2021-01-25 21:49:01 -05:00
|
|
|
target_args['esptool_erase_args'] = args.esptool_erase_args
|
2019-03-28 02:07:53 -04:00
|
|
|
|
2019-07-10 08:11:12 -04:00
|
|
|
if args.baud:
|
2021-01-25 21:49:01 -05:00
|
|
|
target_args['baud'] = args.baud
|
2019-07-10 08:11:12 -04:00
|
|
|
|
2019-05-26 23:08:28 -04:00
|
|
|
target = OtatoolTarget(**target_args)
|
|
|
|
|
|
|
|
# Create the operation table and execute the operation
|
|
|
|
common_args = {'target':target}
|
|
|
|
|
|
|
|
ota_id = []
|
|
|
|
|
|
|
|
try:
|
|
|
|
if args.name is not None:
|
2021-01-25 21:49:01 -05:00
|
|
|
ota_id = ['name']
|
2019-05-26 23:08:28 -04:00
|
|
|
else:
|
|
|
|
if args.slot is not None:
|
2021-01-25 21:49:01 -05:00
|
|
|
ota_id = ['slot']
|
2019-05-26 23:08:28 -04:00
|
|
|
except AttributeError:
|
|
|
|
pass
|
|
|
|
|
|
|
|
otatool_ops = {
|
|
|
|
'read_otadata':(_read_otadata, []),
|
|
|
|
'erase_otadata':(_erase_otadata, []),
|
|
|
|
'switch_ota_partition':(_switch_ota_partition, ota_id),
|
2021-01-25 21:49:01 -05:00
|
|
|
'read_ota_partition':(_read_ota_partition, ['output'] + ota_id),
|
|
|
|
'write_ota_partition':(_write_ota_partition, ['input'] + ota_id),
|
2019-05-26 23:08:28 -04:00
|
|
|
'erase_ota_partition':(_erase_ota_partition, ota_id)
|
|
|
|
}
|
|
|
|
|
|
|
|
(op, op_args) = otatool_ops[args.operation]
|
|
|
|
|
|
|
|
for op_arg in op_args:
|
|
|
|
common_args.update({op_arg:vars(args)[op_arg]})
|
|
|
|
|
|
|
|
try:
|
|
|
|
common_args['ota_id'] = common_args.pop('name')
|
|
|
|
except KeyError:
|
|
|
|
try:
|
|
|
|
common_args['ota_id'] = common_args.pop('slot')
|
|
|
|
except KeyError:
|
|
|
|
pass
|
2018-11-15 16:00:27 -05:00
|
|
|
|
|
|
|
if quiet:
|
|
|
|
# If exceptions occur, suppress and exit quietly
|
|
|
|
try:
|
2019-05-26 23:08:28 -04:00
|
|
|
op(**common_args)
|
2018-11-15 16:00:27 -05:00
|
|
|
except Exception:
|
|
|
|
sys.exit(2)
|
|
|
|
else:
|
2019-05-26 23:08:28 -04:00
|
|
|
op(**common_args)
|
2018-11-15 16:00:27 -05:00
|
|
|
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
|
main()
|