kopia lustrzana https://github.com/micropython/micropython
118 wiersze
3.5 KiB
Python
118 wiersze
3.5 KiB
Python
# Test ESP32 OTA updates, including automatic roll-back.
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# Running this test requires firmware with an OTA Partition, such as the GENERIC_OTA "board".
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# This test also requires patience as it copies the boot partition into the other OTA slot.
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import machine
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from esp32 import Partition
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# start by checking that the running partition table has OTA partitions, 'cause if
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# it doesn't there's nothing we can test
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cur = Partition(Partition.RUNNING)
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cur_name = cur.info()[4]
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if not cur_name.startswith("ota_"):
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print("SKIP")
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raise SystemExit
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DEBUG = True
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def log(*args):
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if DEBUG:
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print(*args)
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# replace boot.py with the test code that will run on each reboot
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import uos
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try:
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uos.rename("boot.py", "boot-orig.py")
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except:
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pass
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with open("boot.py", "w") as f:
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f.write("DEBUG=" + str(DEBUG))
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f.write(
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"""
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import machine
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from esp32 import Partition
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cur = Partition(Partition.RUNNING)
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cur_name = cur.info()[4]
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def log(*args):
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if DEBUG: print(*args)
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from step import STEP, EXPECT
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log("Running partition: " + cur_name + " STEP=" + str(STEP) + " EXPECT=" + EXPECT)
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if cur_name != EXPECT:
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print("\\x04FAILED: step " + str(STEP) + " expected " + EXPECT + " got " + cur_name + "\\x04")
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if STEP == 0:
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log("Not confirming boot ok and resetting back into first")
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nxt = cur.get_next_update()
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with open("step.py", "w") as f:
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f.write("STEP=1\\nEXPECT=\\"" + nxt.info()[4] + "\\"\\n")
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machine.reset()
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elif STEP == 1:
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log("Booting into second partition again")
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nxt = cur.get_next_update()
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nxt.set_boot()
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with open("step.py", "w") as f:
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f.write("STEP=2\\nEXPECT=\\"" + nxt.info()[4] + "\\"\\n")
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machine.reset()
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elif STEP == 2:
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log("Confirming boot ok and rebooting into same partition")
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Partition.mark_app_valid_cancel_rollback()
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with open("step.py", "w") as f:
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f.write("STEP=3\\nEXPECT=\\"" + cur_name + "\\"\\n")
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machine.reset()
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elif STEP == 3:
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log("Booting into original partition")
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nxt = cur.get_next_update()
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nxt.set_boot()
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with open("step.py", "w") as f:
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f.write("STEP=4\\nEXPECT=\\"" + nxt.info()[4] + "\\"\\n")
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machine.reset()
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elif STEP == 4:
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log("Confirming boot ok and DONE!")
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Partition.mark_app_valid_cancel_rollback()
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import uos
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uos.remove("step.py")
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uos.remove("boot.py")
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uos.rename("boot-orig.py", "boot.py")
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print("\\nSUCCESS!\\n\\x04\\x04")
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"""
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)
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def copy_partition(src, dest):
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log("Partition copy: {} --> {}".format(src.info(), dest.info()))
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sz = src.info()[3]
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if dest.info()[3] != sz:
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raise ValueError("Sizes don't match: {} vs {}".format(sz, dest.info()[3]))
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addr = 0
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blk = bytearray(4096)
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while addr < sz:
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if sz - addr < 4096:
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blk = blk[: sz - addr]
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if addr & 0xFFFF == 0:
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# need to show progress to run-tests.py else it times out
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print(" ... 0x{:06x}".format(addr))
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src.readblocks(addr >> 12, blk)
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dest.writeblocks(addr >> 12, blk)
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addr += len(blk)
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# get things started by copying the current partition into the next slot and rebooting
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print("Copying current to next partition")
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nxt = cur.get_next_update()
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copy_partition(cur, nxt)
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print("Partition copied, booting into it")
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nxt.set_boot()
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# the step.py file is used to keep track of state across reboots
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# EXPECT is the name of the partition we expect to reboot into
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with open("step.py", "w") as f:
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f.write('STEP=0\nEXPECT="' + nxt.info()[4] + '"\n')
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machine.reset()
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