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python scripts: add helper.py to gather common functionnalities #52

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merged 3 commits into from
Jan 17, 2024
Merged

python scripts: add helper.py to gather common functionnalities #52

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4a5e3be
python scripts: add helper.py to gather common functionnalities
SilverBzH Jan 16, 2024
20fba5f
scripts: remove unused variable
SilverBzH Jan 16, 2024
7f2857c
script: rename helper function
SilverBzH Jan 17, 2024
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23 changes: 7 additions & 16 deletions scripts/data_transfer_example.py
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Original file line number Diff line number Diff line change
Expand Up @@ -18,21 +18,12 @@
import argparse
from pica import Host
from pica.packets import uci
from helper import expect_correct_startup

MAX_DATA_PACKET_PAYLOAD_SIZE = 1024

async def data_message_send(host: Host, peer: Host, file: str):
await host.expect_control(
uci.DeviceStatusNtf(device_state=uci.DeviceState.DEVICE_STATE_READY))

host.send_control(
uci.DeviceResetCmd(reset_config=uci.ResetConfig.UWBS_RESET))

await host.expect_control(
uci.DeviceResetRsp(status=uci.StatusCode.UCI_STATUS_OK))

await host.expect_control(
uci.DeviceStatusNtf(device_state=uci.DeviceState.DEVICE_STATE_READY))
await expect_correct_startup(host)

host.send_control(
uci.SessionInitCmd(
Expand Down Expand Up @@ -109,19 +100,19 @@ async def data_transfer(host: Host, dst_mac_address: bytes, file: str, session_i

if len(b) > MAX_DATA_PACKET_PAYLOAD_SIZE:
for i in range(0, len(b), MAX_DATA_PACKET_PAYLOAD_SIZE):
section = b[i:i+MAX_DATA_PACKET_PAYLOAD_SIZE]
chunk = b[i:i+MAX_DATA_PACKET_PAYLOAD_SIZE]

if i + MAX_DATA_PACKET_PAYLOAD_SIZE >= len(b):
host.send_data(uci.DataMessageSnd(session_handle=int(session_id),
destination_address=int.from_bytes(dst_mac_address),
data_sequence_number=seq_num,
application_data=section))
application_data=chunk))
else:
host.send_data(uci.DataMessageSnd(session_handle=int(session_id),
pbf = uci.PacketBoundaryFlag.NOT_COMPLETE,
destination_address=int.from_bytes(dst_mac_address),
data_sequence_number=seq_num,
application_data=section))
application_data=chunk))

seq_num += 1
if seq_num >= 65535:
Expand All @@ -148,14 +139,14 @@ async def run(address: str, uci_port: int, http_port: int, file: str):
try:
host0 = await Host.connect(address, uci_port, bytes([0, 1]))
host1 = await Host.connect(address, uci_port, bytes([0, 2]))
except Exception as exn:
except Exception:
print(
f'Failed to connect to Pica server at address {address}:{uci_port}\n' +
'Make sure the server is running')
exit(1)

async with asyncio.TaskGroup() as tg:
task0 = tg.create_task(data_message_send(host0, host1, file))
tg.create_task(data_message_send(host0, host1, file))

host0.disconnect()
host1.disconnect()
Expand Down
30 changes: 30 additions & 0 deletions scripts/helper.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,30 @@
# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from pica import Host
from pica.packets import uci


async def expect_correct_startup(host: Host):
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await host.expect_control(
uci.DeviceStatusNtf(device_state=uci.DeviceState.DEVICE_STATE_READY)
)

host.send_control(uci.DeviceResetCmd(reset_config=uci.ResetConfig.UWBS_RESET))

await host.expect_control(uci.DeviceResetRsp(status=uci.StatusCode.UCI_STATUS_OK))

await host.expect_control(
uci.DeviceStatusNtf(device_state=uci.DeviceState.DEVICE_STATE_READY)
)
36 changes: 9 additions & 27 deletions scripts/ranging_example.py
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -16,21 +16,13 @@

import asyncio
import argparse

from pica import Host
from pica.packets import uci
from helper import expect_correct_startup

async def controller(host: Host, peer: Host):
await host.expect_control(
uci.DeviceStatusNtf(device_state=uci.DeviceState.DEVICE_STATE_READY))

host.send_control(
uci.DeviceResetCmd(reset_config=uci.ResetConfig.UWBS_RESET))

await host.expect_control(
uci.DeviceResetRsp(status=uci.StatusCode.UCI_STATUS_OK))

await host.expect_control(
uci.DeviceStatusNtf(device_state=uci.DeviceState.DEVICE_STATE_READY))
await expect_correct_startup(host)

host.send_control(
uci.SessionInitCmd(
Expand Down Expand Up @@ -107,7 +99,7 @@ async def controller(host: Host, peer: Host):
uci.DeviceStatusNtf(
device_state=uci.DeviceState.DEVICE_STATE_ACTIVE))

for n in range(1, 3):
for _ in range(1, 3):
event = await host.expect_control(
uci.ShortMacTwoWaySessionInfoNtf,
timeout=2.0)
Expand Down Expand Up @@ -141,17 +133,7 @@ async def controller(host: Host, peer: Host):


async def controlee(host: Host, peer: Host):
await host.expect_control(
uci.DeviceStatusNtf(device_state=uci.DeviceState.DEVICE_STATE_READY))

host.send_control(
uci.DeviceResetCmd(reset_config=uci.ResetConfig.UWBS_RESET))

await host.expect_control(
uci.DeviceResetRsp(status=uci.StatusCode.UCI_STATUS_OK))

await host.expect_control(
uci.DeviceStatusNtf(device_state=uci.DeviceState.DEVICE_STATE_READY))
await expect_correct_startup(host)

host.send_control(
uci.SessionInitCmd(
Expand Down Expand Up @@ -228,7 +210,7 @@ async def controlee(host: Host, peer: Host):
uci.DeviceStatusNtf(
device_state=uci.DeviceState.DEVICE_STATE_ACTIVE))

for n in range(1, 3):
for _ in range(1, 3):
event = await host.expect_control(
uci.ShortMacTwoWaySessionInfoNtf,
timeout=2.0)
Expand Down Expand Up @@ -265,15 +247,15 @@ async def run(address: str, uci_port: int, http_port: int):
try:
host0 = await Host.connect(address, uci_port, bytes([0, 1]))
host1 = await Host.connect(address, uci_port, bytes([0, 2]))
except Exception as exn:
except Exception:
print(
f'Failed to connect to Pica server at address {address}:{uci_port}\n' +
'Make sure the server is running')
exit(1)

async with asyncio.TaskGroup() as tg:
task0 = tg.create_task(controller(host0, host1))
task1 = tg.create_task(controlee(host1, host0))
tg.create_task(controller(host0, host1))
tg.create_task(controlee(host1, host0))

host0.disconnect()
host1.disconnect()
Expand Down
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