55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
# Copyright (c) 2017 Linaro Limited.
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#
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# SPDX-License-Identifier: Apache-2.0
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'''bossac-specific runner (flash only) for Atmel SAM microcontrollers.'''
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import platform
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from west.runners.core import ZephyrBinaryRunner, RunnerCaps
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DEFAULT_BOSSAC_PORT = '/dev/ttyACM0'
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class BossacBinaryRunner(ZephyrBinaryRunner):
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'''Runner front-end for bossac.'''
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def __init__(self, cfg, bossac='bossac', port=DEFAULT_BOSSAC_PORT):
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super(BossacBinaryRunner, self).__init__(cfg)
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self.bossac = bossac
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self.port = port
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@classmethod
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def name(cls):
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return 'bossac'
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@classmethod
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def capabilities(cls):
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return RunnerCaps(commands={'flash'})
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@classmethod
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def do_add_parser(cls, parser):
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parser.add_argument('--bossac', default='bossac',
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help='path to bossac, default is bossac')
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parser.add_argument('--bossac-port', default='/dev/ttyACM0',
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help='serial port to use, default is /dev/ttyACM0')
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@classmethod
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def create(cls, cfg, args):
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return BossacBinaryRunner(cfg, bossac=args.bossac,
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port=args.bossac_port)
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def do_run(self, command, **kwargs):
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if platform.system() != 'Linux':
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msg = 'CAUTION: No flash tool for your host system found!'
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raise NotImplementedError(msg)
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cmd_stty = ['stty', '-F', self.port, 'raw', 'ispeed', '1200',
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'ospeed', '1200', 'cs8', '-cstopb', 'ignpar', 'eol', '255',
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'eof', '255']
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cmd_flash = [self.bossac, '-p', self.port, '-R', '-e', '-w', '-v',
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'-b', self.cfg.bin_file]
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self.check_call(cmd_stty)
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self.check_call(cmd_flash)
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