zephyr/scripts/meta/west/runners/bossac.py

55 lines
1.7 KiB
Python

# Copyright (c) 2017 Linaro Limited.
#
# SPDX-License-Identifier: Apache-2.0
'''bossac-specific runner (flash only) for Atmel SAM microcontrollers.'''
import platform
from west.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):
super(BossacBinaryRunner, self).__init__(cfg)
self.bossac = bossac
self.port = port
@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('--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)
def do_run(self, command, **kwargs):
if platform.system() != 'Linux':
msg = 'CAUTION: No flash tool for your host system found!'
raise NotImplementedError(msg)
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',
'-b', self.cfg.bin_file]
self.check_call(cmd_stty)
self.check_call(cmd_flash)