39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import logging
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from autotest_lib.client.common_lib import error
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from autotest_lib.server.cros.faft.firmware_test import FirmwareTest
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class firmware_ECAdc(FirmwareTest):
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"""
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Servo based EC ADC test.
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"""
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version = 1
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# Repeat read count
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READ_COUNT = 200
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def _check_read(self):
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"""Read EC internal temperature by EC ADC.
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Raises:
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error.TestFail: Raised when read fails.
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"""
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t = int(self.ec.send_command_get_output("temps",
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["ECInternal\s+: (\d+) K"])[0][1])
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if t < 273 or t > 373:
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raise error.TestFail("Abnormal EC temperature %d K" % t)
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def run_once(self):
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"""Runs a single iteration of the test."""
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if not self.check_ec_capability(['adc_ectemp']):
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raise error.TestNAError("Nothing needs to be tested on this device")
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logging.info("Reading EC internal temperature for %d times.",
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self.READ_COUNT)
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for _ in xrange(self.READ_COUNT):
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self._check_read()
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