scripts: zephyr_flash_debug: flash like pyocd.sh
Add support for flashing targets compatible with pyocd.sh.
Tested on 96b_nitrogen, nrf52_blenano2, and frdm_k64f, with and
without PYOCD_BOARD_ID. Additionally, frdm_k64f was tested with
PYOCD_DAPARG_ARG='limit_packets=True'.
Signed-off-by: Marti Bolivar <marti.bolivar@linaro.org>
diff --git a/scripts/support/zephyr_flash_debug.py b/scripts/support/zephyr_flash_debug.py
index a73303c..3414766 100755
--- a/scripts/support/zephyr_flash_debug.py
+++ b/scripts/support/zephyr_flash_debug.py
@@ -148,6 +148,67 @@
print('Now reset your board again to switch back to runtime mode.')
+class PyOcdBinaryFlasher(ZephyrBinaryFlasher):
+ '''Flasher front-end for pyocd-flashtool.'''
+
+ def __init__(self, bin_name, target, flashtool='pyocd-flashtool',
+ board_id=None, daparg=None, debug=False):
+ super(PyOcdBinaryFlasher, self).__init__(debug=debug)
+ self.bin_name = bin_name
+ self.target = target
+ self.flashtool = flashtool
+ self.board_id = board_id
+ self.daparg = daparg
+
+ def replaces_shell_script(shell_script):
+ return shell_script == 'pyocd.sh'
+
+ def create_from_env(debug):
+ '''Create flasher from environment.
+
+ Required:
+
+ - O: build output directory
+ - KERNEL_BIN_NAME: name of kernel binary
+ - PYOCD_TARGET: target override
+
+ Optional:
+
+ - PYOCD_FLASHTOOL: flash tool path, defaults to pyocd-flashtool
+ - PYOCD_BOARD_ID: ID of board to flash, default is to guess
+ - PYOCD_DAPARG_ARG: arguments to pass to flashtool, default is none
+ '''
+ bin_name = path.join(get_env_or_bail('O'),
+ get_env_or_bail('KERNEL_BIN_NAME'))
+ target = get_env_or_bail('PYOCD_TARGET')
+
+ flashtool = os.environ.get('PYOCD_FLASHTOOL', 'pyocd-flashtool')
+ board_id = os.environ.get('PYOCD_BOARD_ID', None)
+ daparg = os.environ.get('PYOCD_DAPARG_ARG', None)
+
+ return PyOcdBinaryFlasher(bin_name, target,
+ flashtool=flashtool, board_id=board_id,
+ daparg=daparg, debug=debug)
+
+ def flash(self, **kwargs):
+ daparg_args = []
+ if self.daparg is not None:
+ daparg_args = ['-da', self.daparg]
+
+ board_args = []
+ if self.board_id is not None:
+ board_args = ['-b', self.board_id]
+
+ cmd = ([self.flashtool] +
+ daparg_args +
+ ['-t', self.target] +
+ board_args +
+ [self.bin_name])
+
+ print('Flashing Target Device')
+ check_call(cmd, self.debug)
+
+
# TODO: Stop using environment variables.
#
# Migrate the build system so we can use an argparse.ArgumentParser and
