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Florent Kermarrec 2015-06-18 12:54:33 +02:00
commit d25a07f668
3 changed files with 48 additions and 40 deletions

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@ -13,20 +13,30 @@ def to_bytes(string):
def get_argparser(): def get_argparser():
parser = argparse.ArgumentParser(description="ARTIQ core device config " parser = argparse.ArgumentParser(description="ARTIQ core device config "
"remote access") "remote access")
parser.add_argument("-r", "--read", type=to_bytes, subparsers = parser.add_subparsers(dest="action")
subparsers.required = True
p_read = subparsers.add_parser("read",
help="read key from core device config") help="read key from core device config")
parser.add_argument("-w", "--write", nargs=2, action="append", default=[], p_read.add_argument("-k", "--key", type=to_bytes, required=True,
metavar=("KEY", "STRING"), type=to_bytes, help="key to be read from core device config")
help="write key-value records to core device config") p_write = subparsers.add_parser("write",
parser.add_argument("-f", "--write-file", nargs=2, action="append", help="write key-value records to core "
type=to_bytes, default=[], metavar=("KEY", "FILENAME"), "device config")
help="write the content of a file into core device " p_write.add_argument("-s", "--string", nargs=2, action="append",
default=[], metavar=("KEY", "STRING"), type=to_bytes,
help="key-value records to be written to core device "
"config") "config")
parser.add_argument("-e", "--erase", action="store_true", p_write.add_argument("-f", "--file", nargs=2, action="append",
help="erase core device config") type=to_bytes, default=[],
parser.add_argument("-d", "--delete", action="append", default=[], metavar=("KEY", "FILENAME"),
type=to_bytes, help="key and file whose content to be written to "
"core device config")
subparsers.add_parser("erase", help="erase core device config")
p_delete = subparsers.add_parser("delete",
help="delete key from core device config") help="delete key from core device config")
p_delete.add_argument("-k", "--key", action="append", default=[],
type=to_bytes, required=True,
help="key to be deleted from core device config")
parser.add_argument("--ddb", default="ddb.pyon", parser.add_argument("--ddb", default="ddb.pyon",
help="device database file") help="device database file")
return parser return parser
@ -37,23 +47,21 @@ def main():
ddb = FlatFileDB(args.ddb) ddb = FlatFileDB(args.ddb)
comm = create_device(ddb.request("comm"), None) comm = create_device(ddb.request("comm"), None)
if args.read: if args.action == "read":
value = comm.flash_storage_read(args.read) value = comm.flash_storage_read(args.key)
if not value: if not value:
print("Key {} does not exist".format(args.read)) print("Key {} does not exist".format(args.key))
else: else:
print(value) print(value)
elif args.erase: elif args.action == "erase":
comm.flash_storage_erase() comm.flash_storage_erase()
elif args.delete: elif args.action == "delete":
for key in args.delete: for key in args.key:
comm.flash_storage_remove(key) comm.flash_storage_remove(key)
else: elif args.action == "write":
if args.write: for key, value in args.string:
for key, value in args.write:
comm.flash_storage_write(key, value) comm.flash_storage_write(key, value)
if args.write_file: for key, filename in args.file:
for key, filename in args.write_file:
with open(filename, "rb") as fi: with open(filename, "rb") as fi:
comm.flash_storage_write(key, fi.read()) comm.flash_storage_write(key, fi.read())

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@ -265,7 +265,7 @@ To flash the ``idle`` kernel:
* Write it into the core device configuration flash storage: :: * Write it into the core device configuration flash storage: ::
$ artiq_coreconfig -f idle_kernel idle.elf $ artiq_coreconfig write -f idle_kernel idle.elf
.. note:: You can find more information about how to use the ``artiq_coreconfig`` tool on the :ref:`Utilities <core-device-configuration-tool>` page. .. note:: You can find more information about how to use the ``artiq_coreconfig`` tool on the :ref:`Utilities <core-device-configuration-tool>` page.

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@ -109,38 +109,38 @@ When not specified, the artiq_coreconfig tool will assume that there is a file n
To read the record whose key is ``mac``:: To read the record whose key is ``mac``::
$ artiq_coreconfig -r mac $ artiq_coreconfig read -k mac
To write the value ``test_value`` in the key ``my_key``:: To write the value ``test_value`` in the key ``my_key``::
$ artiq_coreconfig -w my_key test_value $ artiq_coreconfig write -s my_key test_value
$ artiq_coreconfig -r my_key $ artiq_coreconfig read -k my_key
b'test_value' b'test_value'
You can also write entire files in a record using the ``-f`` parameter. This is useful for instance to write the ``idle`` kernel in the flash storage:: You can also write entire files in a record using the ``-f`` parameter. This is useful for instance to write the ``idle`` kernel in the flash storage::
$ artiq_coreconfig -f idle_kernel idle.elf $ artiq_coreconfig write -f idle_kernel idle.elf
$ artiq_coreconfig -r idle_kernel | head -c9 $ artiq_coreconfig read -k idle_kernel | head -c9
b'\x7fELF b'\x7fELF
You can write several records at once:: You can write several records at once::
$ artiq_coreconfig -w key1 value1 -f key2 filename -w key3 value3 $ artiq_coreconfig write -s key1 value1 -f key2 filename -s key3 value3
To remove the previously written key ``my_key``:: To remove the previously written key ``my_key``::
$ artiq_coreconfig -d my_key $ artiq_coreconfig delete -k my_key
To erase the entire flash storage area:: To erase the entire flash storage area::
$ artiq_coreconfig -e $ artiq_coreconfig erase
You don't need to remove a record in order to change its value, just overwrite You don't need to remove a record in order to change its value, just overwrite
it:: it::
$ artiq_coreconfig -w my_key some_value $ artiq_coreconfig write -s my_key some_value
$ artiq_coreconfig -w my_key some_other_value $ artiq_coreconfig write -s my_key some_other_value
$ artiq_coreconfig -r my_key $ artiq_coreconfig read -k my_key
b'some_other_value' b'some_other_value'
.. argparse:: .. argparse::