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First sort of working mqtt routines

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marcel
2025-08-11 21:31:31 +02:00
parent f722f8aec1
commit 8afdc890f1
15 changed files with 443 additions and 31 deletions
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43
software/test_software/modbus_control.py
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@@ -39,25 +39,28 @@ class ModBusController(minimalmodbus.Instrument):
self.clear_buffers_before_each_transaction = True
self.close_port_after_each_call = False
#Address range 0x3000
self.watchdog_toggle_bit = 1
# Read the device ID
def get_id(self):
device_id = [None]*4
device_id[0] = self.read_register(0, 0, 4, False)
device_id[1] = self.read_register(1, 0, 4, False)
device_id[2] = self.read_register(2, 0, 4, False)
device_id[3] = self.read_register(3, 0, 4, False)
device_id[0] = self.read_register(1000, 0, 4, False)
device_id[1] = self.read_register(1001, 0, 4, False)
device_id[2] = self.read_register(1002, 0, 4, False)
device_id[3] = self.read_register(1003, 0, 4, False)
return device_id
# Read the device type
def get_type(self):
device_type = self.read_register(4, 0, 4, False)
device_type = self.read_register(1004, 0, 4, False)
return device_type
# Get the 60 character long description string from ModBus device
# Get the 40 character long description string from ModBus device
def get_type_string(self):
register_offset = 6 # ModBus register for text string starts at 6
device_type_register = [None]*30 # ModBus register for text string is 30 integers long
register_offset = 1006 # ModBus register for text string starts at 1006
device_type_register = [None]*20 # ModBus register for text string is 20 integers long
device_type_string = "" # Store the decoded string here
for index, entry in enumerate(device_type_register):
@@ -69,24 +72,36 @@ class ModBusController(minimalmodbus.Instrument):
return device_type_string.strip()
# Ask the device how many input registers it has
def get_number_of_input_registers(self):
device_number_of_input_registers = self.read_register(36, 0, 4, False)
device_number_of_input_registers = self.read_register(1026, 0, 4, False)
return device_number_of_input_registers
# Read all the input registers
def read_all_input_registers(self):
number_of_input_registers = self.get_number_of_input_registers()
offset = 40
input_register = [None]*number_of_input_registers
for index in range(number_of_input_registers):
input_register[index] = self.read_register(index + offset, 0, 4, False)
input_register[index] = self.read_register(index, 0, 4, False)
return input_register
def enable_heater(self):
def set_watchdog(self):
self.write_bit(0, 1, 5)
def disable_heater(self):
def reset_watchdog(self):
self.write_bit(0, 0, 5)
# Toggle the devices watchdog
def toggle_watchdog(self):
if self.watchdog_toggle_bit:
self.set_watchdog()
self.watchdog_toggle_bit = 0
else:
self.reset_watchdog()
self.watchdog_toggle_bit = 1