119 lines
3.8 KiB
Python
Executable file
119 lines
3.8 KiB
Python
Executable file
#!/usr/bin/env python
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#
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# Demonstrates the use of otatool.py, a tool for performing ota partition level
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# operations.
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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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import os
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import sys
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import argparse
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from get_running_partition import get_running_partition
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def assert_file_same(file1, file2, err):
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with open(file1, "rb") as f1:
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with open(file2, "rb") as f2:
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f1 = f1.read()
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f2 = f2.read()
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if len(f1) < len(f2):
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f2 = f2[:len(f1)]
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else:
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f1 = f1[:len(f2)]
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if not f1 == f2:
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raise Exception(err)
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def assert_running_partition(expected, port=None):
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running = get_running_partition(port)
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if running != expected:
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raise Exception("Running partition %s does not match expected %s" % (running, expected))
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def main():
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COMPONENTS_PATH = os.path.expandvars(os.path.join("$IDF_PATH", "components"))
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OTATOOL_DIR = os.path.join(COMPONENTS_PATH, "app_update")
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sys.path.append(OTATOOL_DIR)
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from otatool import OtatoolTarget
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parser = argparse.ArgumentParser("ESP-IDF OTA Tool Example")
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parser.add_argument("--port", "-p", help="port where the device to perform operations on is connected")
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parser.add_argument("--binary", "-b", help="path to built example binary", default=os.path.join("build", "otatool.bin"))
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args = parser.parse_args()
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target = OtatoolTarget(args.port)
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print("Writing factory firmware to ota_0")
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target.write_ota_partition(0, args.binary)
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print("Writing factory firmware to ota_1")
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target.write_ota_partition("ota_1", args.binary)
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# Verify that the contents of the two ota slots are the same as that of the factory partition
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print("Checking written firmware to ota_0 and ota_1 match factory firmware")
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target.read_ota_partition("ota_0", "app0.bin")
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target.read_ota_partition(1, "app1.bin")
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assert_file_same("app0.bin", args.binary, "Slot 0 app does not match factory app")
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assert_file_same("app1.bin", args.binary, "Slot 1 app does not match factory app")
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# Switch to factory app
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print("Switching to factory app")
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target.erase_otadata()
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assert_running_partition("factory")
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# Switch to slot 0
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print("Switching to OTA slot 0")
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target.switch_ota_partition(0)
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assert_running_partition("ota_0")
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# Switch to slot 1 twice in a row
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print("Switching to OTA slot 1 (twice in a row)")
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target.switch_ota_partition(1)
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assert_running_partition("ota_1")
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target.switch_ota_partition("ota_1")
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assert_running_partition("ota_1")
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# Switch to slot 0 twice in a row
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print("Switching to OTA slot 0 (twice in a row)")
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target.switch_ota_partition(0)
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assert_running_partition("ota_0")
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target.switch_ota_partition("ota_0")
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assert_running_partition("ota_0")
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# Switch to factory app
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print("Switching to factory app")
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target.erase_otadata()
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assert_running_partition("factory")
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# Switch to slot 1
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print("Switching to OTA slot 1")
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target.switch_ota_partition(1)
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assert_running_partition("ota_1")
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# Example end and cleanup
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print("\nOTA tool operations executed successfully!")
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clean_files = ["app0.bin", "app1.bin"]
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for clean_file in clean_files:
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os.unlink(clean_file)
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if __name__ == '__main__':
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main()
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