From fc56556e95920da304663f809cc5301dd239d83a Mon Sep 17 00:00:00 2001
From: Benjamin Koch <bbbsnowball@gmail.com>
Date: Mon, 29 May 2023 17:16:21 +0200
Subject: [PATCH] add modbus-tk example script that we used for testing
---
firmware/rust1/rtumaster_example.py | 64 +++++++++++++++++++++++++++++
1 file changed, 64 insertions(+)
create mode 100644 firmware/rust1/rtumaster_example.py
diff --git a/firmware/rust1/rtumaster_example.py b/firmware/rust1/rtumaster_example.py
new file mode 100644
index 0000000..7c44458
--- /dev/null
+++ b/firmware/rust1/rtumaster_example.py
@@ -0,0 +1,64 @@
+#!/usr/bin/env python
+# -*- coding: utf_8 -*-
+"""
+ Modbus TestKit: Implementation of Modbus protocol in python
+
+ (C)2009 - Luc Jean - luc.jean@gmail.com
+ (C)2009 - Apidev - http://www.apidev.fr
+
+ This is distributed under GNU LGPL license, see license.txt
+"""
+
+import serial
+import time
+
+import modbus_tk
+import modbus_tk.defines as cst
+from modbus_tk import modbus_rtu
+
+PORT = '/dev/ttyUSB0'
+
+def main():
+ """main"""
+ logger = modbus_tk.utils.create_logger("console")
+
+ try:
+ #Connect to the slave
+ master = modbus_rtu.RtuMaster(
+ serial.Serial(port=PORT, baudrate=19200, bytesize=8, parity='E', stopbits=1, xonxoff=0)
+ )
+ master.set_timeout(0.2)
+ master.set_verbose(True)
+ logger.info("connected")
+
+ logger.info(master.execute(1, cst.READ_HOLDING_REGISTERS, 1, 1))
+
+ logger.info(master.execute(1, cst.READ_FILE_RECORD, (0, 1, 2), (7, 5, 3), number_file=(0, 0, 0)))
+ logger.info("Bootloader state partition:")
+ logger.info(master.execute(1, cst.READ_FILE_RECORD, (int(0x6000/2),), (20,), number_file=(1,)))
+
+ x = 1
+ while True:
+ logger.info(master.execute(1, cst.WRITE_SINGLE_COIL, 0, output_value=x))
+ x = 1 - x
+ logger.info(master.execute(1, cst.READ_DISCRETE_INPUTS, 0, 5))
+ #logger.info(master.execute(1, cst.READ_INPUT_REGISTERS, 0, 13))
+ #logger.info(master.execute(1, cst.READ_INPUT_REGISTERS, 13, 12))
+ logger.info(master.execute(1, cst.READ_INPUT_REGISTERS, 0, 25))
+ time.sleep(0.1)
+
+ #send some queries
+ #logger.info(master.execute(1, cst.READ_COILS, 0, 10))
+ #logger.info(master.execute(1, cst.READ_DISCRETE_INPUTS, 0, 8))
+ #logger.info(master.execute(1, cst.READ_INPUT_REGISTERS, 100, 3))
+ #logger.info(master.execute(1, cst.READ_HOLDING_REGISTERS, 100, 12))
+ #logger.info(master.execute(1, cst.WRITE_SINGLE_COIL, 7, output_value=1))
+ #logger.info(master.execute(1, cst.WRITE_SINGLE_REGISTER, 100, output_value=54))
+ #logger.info(master.execute(1, cst.WRITE_MULTIPLE_COILS, 0, output_value=[1, 1, 0, 1, 1, 0, 1, 1]))
+ #logger.info(master.execute(1, cst.WRITE_MULTIPLE_REGISTERS, 100, output_value=xrange(12)))
+
+ except modbus_tk.modbus.ModbusError as exc:
+ logger.error("%s- Code=%d", exc, exc.get_exception_code())
+
+if __name__ == "__main__":
+ main()
--
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