添加智能灯固件代码

firmware/esp-idf/wumei-smart-firmware/examples/system/ota/otatool/otatool_example.py

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+#!/usr/bin/env python
+#
+# Demonstrates the use of otatool.py, a tool for performing ota partition level
+# operations.
+#
+# Copyright 2018 Espressif Systems (Shanghai) PTE LTD
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http:#www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import os
+import sys
+import argparse
+
+from get_running_partition import get_running_partition
+
+
+def assert_file_same(file1, file2, err):
+    with open(file1, "rb") as f1:
+        with open(file2, "rb") as f2:
+            f1 = f1.read()
+            f2 = f2.read()
+
+            if len(f1) < len(f2):
+                f2 = f2[:len(f1)]
+            else:
+                f1 = f1[:len(f2)]
+
+            if not f1 == f2:
+                raise Exception(err)
+
+
+def assert_running_partition(expected, port=None):
+    running = get_running_partition(port)
+    if running != expected:
+        raise Exception("Running partition %s does not match expected %s" % (running, expected))
+
+
+def main():
+    COMPONENTS_PATH = os.path.expandvars(os.path.join("$IDF_PATH", "components"))
+    OTATOOL_DIR = os.path.join(COMPONENTS_PATH, "app_update")
+
+    sys.path.append(OTATOOL_DIR)
+    from otatool import OtatoolTarget
+
+    parser = argparse.ArgumentParser("ESP-IDF OTA Tool Example")
+
+    parser.add_argument("--port", "-p", help="port where the device to perform operations on is connected")
+    parser.add_argument("--binary", "-b", help="path to built example binary", default=os.path.join("build", "otatool.bin"))
+    args = parser.parse_args()
+
+    target = OtatoolTarget(args.port)
+
+    print("Writing factory firmware to ota_0")
+    target.write_ota_partition(0, args.binary)
+
+    print("Writing factory firmware to ota_1")
+    target.write_ota_partition("ota_1", args.binary)
+
+    # Verify that the contents of the two ota slots are the same as that of the factory partition
+    print("Checking written firmware to ota_0 and ota_1 match factory firmware")
+    target.read_ota_partition("ota_0", "app0.bin")
+    target.read_ota_partition(1, "app1.bin")
+
+    assert_file_same("app0.bin", args.binary, "Slot 0 app does not match factory app")
+    assert_file_same("app1.bin", args.binary, "Slot 1 app does not match factory app")
+
+    # Switch to factory app
+    print("Switching to factory app")
+    target.erase_otadata()
+    assert_running_partition("factory")
+
+    # Switch to slot 0
+    print("Switching to OTA slot 0")
+    target.switch_ota_partition(0)
+    assert_running_partition("ota_0")
+
+    # Switch to slot 1 twice in a row
+    print("Switching to OTA slot 1 (twice in a row)")
+    target.switch_ota_partition(1)
+    assert_running_partition("ota_1")
+    target.switch_ota_partition("ota_1")
+    assert_running_partition("ota_1")
+
+    # Switch to slot 0 twice in a row
+    print("Switching to OTA slot 0 (twice in a row)")
+    target.switch_ota_partition(0)
+    assert_running_partition("ota_0")
+    target.switch_ota_partition("ota_0")
+    assert_running_partition("ota_0")
+
+    # Switch to factory app
+    print("Switching to factory app")
+    target.erase_otadata()
+    assert_running_partition("factory")
+
+    # Switch to slot 1
+    print("Switching to OTA slot 1")
+    target.switch_ota_partition(1)
+    assert_running_partition("ota_1")
+
+    # Example end and cleanup
+    print("\nOTA tool operations executed successfully!")
+    clean_files = ["app0.bin", "app1.bin"]
+    for clean_file in clean_files:
+        os.unlink(clean_file)
+
+
+if __name__ == '__main__':
+    main()