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Thomas Farstrike
58 lines
1.8 KiB
Python
58 lines
1.8 KiB
Python
import lvgl as lv
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import ota.update
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from esp32 import Partition
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import urequests
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import ota.status
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ota.status.status()
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current = Partition(Partition.RUNNING)
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current
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next_partition = current.get_next_update()
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next_partition
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label = lv.label(subwindow)
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label.set_text("OS Update: 0.00%")
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label.align(lv.ALIGN.CENTER, 0, -30)
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progress_bar = lv.bar(subwindow)
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progress_bar.set_size(200, 20)
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progress_bar.align(lv.ALIGN.BOTTOM_MID, 0, -50)
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progress_bar.set_range(0, 100)
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progress_bar.set_value(0, lv.ANIM.OFF)
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# Custom OTA update with LVGL progress
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def update_with_lvgl(url):
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def progress_callback(percent):
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print(f"OTA Update: {percent:.1f}%")
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label.set_text(f"OTA Update: {percent:.2f}%")
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progress_bar.set_value(int(percent), lv.ANIM.ON)
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current = Partition(Partition.RUNNING)
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next_partition = current.get_next_update()
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response = urequests.get(url, stream=True)
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total_size = int(response.headers.get('Content-Length', 0))
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bytes_written = 0
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chunk_size = 4096
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i = 0
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print(f"Starting OTA update of size: {total_size}")
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while appscreen == lv.screen_active():
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chunk = response.raw.read(chunk_size)
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if not chunk:
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print("No chunk, breaking...")
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break
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if len(chunk) < chunk_size:
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print(f"Padding chunk {i} from {len(chunk)} to {chunk_size} bytes")
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chunk = chunk + b'\xFF' * (chunk_size - len(chunk))
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print(f"Writing chunk {i}")
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next_partition.writeblocks(i, chunk)
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bytes_written += len(chunk)
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i += 1
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if total_size:
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progress_callback(bytes_written / total_size * 100)
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response.close()
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next_partition.set_boot()
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import machine
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machine.reset()
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# Start OTA update
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update_with_lvgl("http://demo.lnpiggy.com:2121/latest.bin")
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