Skip to content

Commit a3aa1d3

Browse files
lbuquelbuque
committed
libs/modbus: Add modbus Lib.
1. Support RTU Master. 2. Support TCP Client. Signed-off-by: lbuque <[email protected]>
1 parent 0a5c5d5 commit a3aa1d3

20 files changed

+4769
-4
lines changed

‎m5stack/libs/manifest.py‎

Lines changed: 5 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -2,21 +2,22 @@
22
#
33
# SPDX-License-Identifier: MIT
44

5+
include("base/manifest.py")
56
include("bleuart/manifest.py")
6-
include("m5ble/manifest.py")
7-
include("m5espnow/manifest.py")
87
include("driver/manifest.py")
98
include("ezdata/manifest.py")
109
include("hardware/manifest.py")
1110
include("hat/manifest.py")
1211
include("image_plus/manifest.py")
12+
include("m5ble/manifest.py")
13+
include("m5espnow/manifest.py")
14+
include("modbus/modbus/manifest.py")
1315
include("module/manifest.py")
1416
include("requests2/manifest.py")
1517
include("umqtt/manifest.py")
1618
include("unit/manifest.py")
17-
include("base/manifest.py")
18-
# freeze("$(MPY_DIR)/../m5stack/libs/unit")
1919
include("utility/manifest.py")
20+
# freeze("$(MPY_DIR)/../m5stack/libs/unit")
2021
module("boot_option.py")
2122
module("label_plus.py")
2223
module("m5camera.py")

‎m5stack/libs/modbus/.gitignore‎

Lines changed: 129 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,129 @@
1+
# Byte-compiled / optimized / DLL files
2+
__pycache__/
3+
*.py[cod]
4+
*$py.class
5+
6+
# C extensions
7+
*.so
8+
9+
# Distribution / packaging
10+
.Python
11+
build/
12+
develop-eggs/
13+
dist/
14+
downloads/
15+
eggs/
16+
.eggs/
17+
lib/
18+
lib64/
19+
parts/
20+
sdist/
21+
var/
22+
wheels/
23+
pip-wheel-metadata/
24+
share/python-wheels/
25+
*.egg-info/
26+
.installed.cfg
27+
*.egg
28+
MANIFEST
29+
30+
# PyInstaller
31+
# Usually these files are written by a python script from a template
32+
# before PyInstaller builds the exe, so as to inject date/other infos into it.
33+
*.manifest
34+
*.spec
35+
36+
# Installer logs
37+
pip-log.txt
38+
pip-delete-this-directory.txt
39+
40+
# Unit test / coverage reports
41+
htmlcov/
42+
.tox/
43+
.nox/
44+
.coverage
45+
.coverage.*
46+
.cache
47+
nosetests.xml
48+
coverage.xml
49+
*.cover
50+
*.py,cover
51+
.hypothesis/
52+
.pytest_cache/
53+
54+
# Translations
55+
*.mo
56+
*.pot
57+
58+
# Django stuff:
59+
*.log
60+
local_settings.py
61+
db.sqlite3
62+
db.sqlite3-journal
63+
64+
# Flask stuff:
65+
instance/
66+
.webassets-cache
67+
68+
# Scrapy stuff:
69+
.scrapy
70+
71+
# Sphinx documentation
72+
docs/_build/
73+
74+
# PyBuilder
75+
target/
76+
77+
# Jupyter Notebook
78+
.ipynb_checkpoints
79+
80+
# IPython
81+
profile_default/
82+
ipython_config.py
83+
84+
# pyenv
85+
.python-version
86+
87+
# pipenv
88+
# According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
89+
# However, in case of collaboration, if having platform-specific dependencies or dependencies
90+
# having no cross-platform support, pipenv may install dependencies that don't work, or not
91+
# install all needed dependencies.
92+
#Pipfile.lock
93+
94+
# PEP 582; used by e.g. github.com/David-OConnor/pyflow
95+
__pypackages__/
96+
97+
# Celery stuff
98+
celerybeat-schedule
99+
celerybeat.pid
100+
101+
# SageMath parsed files
102+
*.sage.py
103+
104+
# Environments
105+
.env
106+
.venv
107+
env/
108+
venv/
109+
ENV/
110+
env.bak/
111+
venv.bak/
112+
113+
# Spyder project settings
114+
.spyderproject
115+
.spyproject
116+
117+
# Rope project settings
118+
.ropeproject
119+
120+
# mkdocs documentation
121+
/site
122+
123+
# mypy
124+
.mypy_cache/
125+
.dmypy.json
126+
dmypy.json
127+
128+
# Pyre type checker
129+
.pyre/

‎m5stack/libs/modbus/LICENSE‎

Lines changed: 21 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,21 @@
1+
MIT License
2+
3+
Copyright (c) 2021 Tobias Eydam
4+
5+
Permission is hereby granted, free of charge, to any person obtaining a copy
6+
of this software and associated documentation files (the "Software"), to deal
7+
in the Software without restriction, including without limitation the rights
8+
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9+
copies of the Software, and to permit persons to whom the Software is
10+
furnished to do so, subject to the following conditions:
11+
12+
The above copyright notice and this permission notice shall be included in all
13+
copies or substantial portions of the Software.
14+
15+
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16+
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17+
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18+
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19+
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20+
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21+
SOFTWARE.

‎m5stack/libs/modbus/README.md‎

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,3 @@
1+
# micropython-modbus
2+
3+
Modbus Lib for Micropython. It is based on [mp_modbus](https://github.com/eydam-prototyping/mp_modbus).

‎m5stack/libs/modbus/examples/ssr.py‎

Lines changed: 50 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,50 @@
1+
import sys
2+
import os
3+
import time
4+
5+
if sys.implementation.name == "micropython":
6+
import machine
7+
8+
uart = machine.UART(
9+
1,
10+
baudrate=115200,
11+
bits=8,
12+
parity=None,
13+
stop=1,
14+
tx=14,
15+
rx=13,
16+
txbuf=256,
17+
rxbuf=256,
18+
timeout=0,
19+
timeout_char=0,
20+
invert=0,
21+
flow=0,
22+
)
23+
else:
24+
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
25+
import serial
26+
27+
uart = serial.Serial("COM20", 115200)
28+
29+
import modbus
30+
31+
32+
device_addr = 4
33+
rtu_master = modbus.ModbusRTUMaster(uart=uart, device_addr=device_addr)
34+
35+
ver = rtu_master.read_holding_registers(device_addr, 1, 1)
36+
print("AC/DC SSR Control Example")
37+
print("firmware version:", ver)
38+
time.sleep(1)
39+
40+
while True:
41+
rtu_master.write_single_coil(device_addr, 0, False)
42+
time.sleep(1)
43+
rtu_master.write_single_register(device_addr, 0, 0xF800.to_bytes(2, "big"))
44+
time.sleep(1)
45+
rtu_master.write_single_register(device_addr, 0, 0x07E0.to_bytes(2, "big"))
46+
time.sleep(1)
47+
rtu_master.write_single_register(device_addr, 0, 0x001F.to_bytes(2, "big"))
48+
time.sleep(1)
49+
rtu_master.write_single_coil(device_addr, 0, True)
50+
time.sleep(1)

‎m5stack/libs/modbus/examples/test_rtu_master.py‎

Lines changed: 46 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,46 @@
1+
import sys
2+
import time
3+
4+
uart = None
5+
device_addr = 4
6+
7+
if sys.implementation.name == "micropython":
8+
import machine
9+
10+
uart = machine.UART(
11+
1,
12+
baudrate=115200,
13+
bits=8,
14+
parity=None,
15+
stop=1,
16+
tx=14,
17+
rx=13,
18+
txbuf=256,
19+
rxbuf=256,
20+
timeout=0,
21+
timeout_char=0,
22+
invert=0,
23+
flow=0,
24+
)
25+
else:
26+
import os
27+
28+
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
29+
import serial
30+
31+
uart = serial.Serial("COM20", 115200)
32+
33+
import modbus
34+
35+
rtu_master = modbus.ModbusRTUMaster(uart=uart)
36+
37+
# while True:
38+
rtu_master.write_single_coil(device_addr, 1000, False)
39+
time.sleep(1)
40+
res = rtu_master.read_coils(device_addr, 1000, 1)
41+
print("read:", res)
42+
time.sleep(1)
43+
rtu_master.write_single_coil(device_addr, 1000, True)
44+
res = rtu_master.read_coils(device_addr, 1000, 1)
45+
print("read:", res)
46+
time.sleep(1)

0 commit comments

Comments
 (0)