| # Copyright (c) 2017 Linaro Limited. |
| # |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| '''bossac-specific runner (flash only) for Atmel SAM microcontrollers.''' |
| |
| import platform |
| |
| from runners.core import ZephyrBinaryRunner, RunnerCaps |
| |
| DEFAULT_BOSSAC_PORT = '/dev/ttyACM0' |
| |
| |
| class BossacBinaryRunner(ZephyrBinaryRunner): |
| '''Runner front-end for bossac.''' |
| |
| def __init__(self, cfg, bossac='bossac', port=DEFAULT_BOSSAC_PORT, |
| offset=0): |
| super(BossacBinaryRunner, self).__init__(cfg) |
| self.bossac = bossac |
| self.port = port |
| self.offset = offset |
| |
| @classmethod |
| def name(cls): |
| return 'bossac' |
| |
| @classmethod |
| def capabilities(cls): |
| return RunnerCaps(commands={'flash'}) |
| |
| @classmethod |
| def do_add_parser(cls, parser): |
| parser.add_argument('--bossac', default='bossac', |
| help='path to bossac, default is bossac') |
| parser.add_argument('--offset', default=0, |
| help='start erase/write/read/verify operation ' |
| 'at flash OFFSET; OFFSET must be aligned ' |
| ' to a flash page boundary') |
| parser.add_argument('--bossac-port', default='/dev/ttyACM0', |
| help='serial port to use, default is /dev/ttyACM0') |
| |
| @classmethod |
| def create(cls, cfg, args): |
| return BossacBinaryRunner(cfg, bossac=args.bossac, |
| port=args.bossac_port, offset=args.offset) |
| |
| def do_run(self, command, **kwargs): |
| if platform.system() != 'Linux': |
| msg = 'CAUTION: No flash tool for your host system found!' |
| raise NotImplementedError(msg) |
| |
| self.require('stty') |
| self.require(self.bossac) |
| cmd_stty = ['stty', '-F', self.port, 'raw', 'ispeed', '1200', |
| 'ospeed', '1200', 'cs8', '-cstopb', 'ignpar', 'eol', '255', |
| 'eof', '255'] |
| cmd_flash = [self.bossac, '-p', self.port, '-R', '-e', '-w', '-v', |
| '-o', '%s' % self.offset, |
| '-b', self.cfg.bin_file] |
| |
| self.check_call(cmd_stty) |
| self.check_call(cmd_flash) |