PymateIO-HMI-numeric-input - Revision history

Dodomi: /* Pymate Script */

2026-06-14T17:30:32Z

Pymate Script

← Older revision		Revision as of 19:30, 14 June 2026
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	</syntaxhighlight>		</syntaxhighlight>

	As simple as ~~this~~!!!		As simple as thats!!!

	== Full script ==		== Full script ==

Dodomi: /* Pymate Script */

2026-06-14T17:30:14Z

Pymate Script

← Older revision		Revision as of 19:30, 14 June 2026
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	The following section remind the {{fname\|get_counters}} callback returning the {{fname\|_counter}} variable value.		The following section remind the {{fname\|get_counters}} callback returning the {{fname\|_counter}} variable value.

	~~the~~ interest lies in the implementation of the {{fname\|set_counter()}} function receiving the value from the HMI Display then store it for future usage		The interest lies in the implementation of the {{fname\|set_counter()}} function receiving the value from the HMI Display then store it for future usage

	<syntaxhighlight lang="python" line>		<syntaxhighlight lang="python" line>

Dodomi: /* Pymate Script */

2026-06-14T17:29:51Z

Pymate Script

← Older revision		Revision as of 19:29, 14 June 2026
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	</syntaxhighlight>		</syntaxhighlight>

			The following section remind the {{fname\|get_counters}} callback returning the {{fname\|_counter}} variable value.

			the interest lies in the implementation of the {{fname\|set_counter()}} function receiving the value from the HMI Display then store it for future usage

			<syntaxhighlight lang="python" line>
			_counter = 0 # Call counter
			def get_counters( reg_type, address, val ):
			# reg_type (eg: HREGS)
			# addr (eg: 0)
			# val (eg: LSBF [255,0] for initial value = 0x00FF)

			# Call Counter : Increment and limit to uint16
			global _counter
			_counter += 1
			if _counter>65535:
			_counter=0
			# Elapse time: limit value to uint16
			_ms = time.ticks_ms()%65535

			val[0] = _counter # 4x0 field
			val[1] = _ms # 4x1 field
			modbus_slave.set_hreg(0, val)

			def set_counter( reg_type, address, val ):
			# reg_type (eg: HREGS)
			# addr (eg: 0)
			# val (eg: [300] )
			global _counter
			# print( reg_type, address, val )
			_counter = val[0]
			</syntaxhighlight>

			As simple as this!!!

			== Full script ==

			<syntaxhighlight lang="python" line>
			# Pymate Modbus Slave examples for HMI-043U2S
			#
			# This example demonstrate capture of value encoded on the HMI display
			#
			from pymate.board import Board
			import time, struct

			SLAVE_ADDR = 0x01 # Slave Addr 1-127 of this instance
			print( 'Create Modbus Slave at addr', SLAVE_ADDR )
			brd = Board()
			modbus_slave = brd.modbus( master=False, addr=SLAVE_ADDR, baudrate=9600 )

			# Active Modbus debugging messages
			# modbus_slave.debug = True


			_counter = 0 # Call counter
			def get_counters( reg_type, address, val ):
			# reg_type (eg: HREGS)
			# addr (eg: 0)
			# val (eg: LSBF [255,0] for initial value = 0x00FF)

			# Call Counter : Increment and limit to uint16
			global _counter
			_counter += 1
			if _counter>65535:
			_counter=0
			# Elapse time: limit value to uint16
			_ms = time.ticks_ms()%65535

			val[0] = _counter # 4x0 field
			val[1] = _ms # 4x1 field
			modbus_slave.set_hreg(0, val)

			def set_counter( reg_type, address, val ):
			# reg_type (eg: HREGS)
			# addr (eg: 0)
			# val (eg: [300] )
			global _counter
			# print( reg_type, address, val )
			_counter = val[0]


			# Registers and their default values
			slave_registers = {
			"COILS": {
			"0x bits": {
			"register": 0,
			"len": 8,
			# WARNING: Bit 7 on left, Bit 0 on right
			# bit 1 = LED; bit 0 = Btn LED
			"val": [False,False,False,False,False,False,False,False]
			}
			},
			"HREGS": {
			"4x fields": {
			"register": 0,
			"len": 2,
			# 1st-> 4x0 field = 65280 ; 2nd-> 4x1 field = 1
			# Values must be uint16 0-65535
			"val": [0xFF00,1 ],
			"on_get_cb" : get_counters,
			"on_set_cb" : set_counter
			}
			},
			"ISTS": {
			},
			"IREGS": {
			}
			}

			print( 'Setup slave registers...' )
			modbus_slave.setup_registers( registers=slave_registers )

			print( 'Start slave processing...' )
			while True:
			# Process incoming request
			result = modbus_slave.process()

			# Place your processing code here
			time.sleep_ms(500)
			</syntaxhighlight>

	{{PYMATE-TRAILER}}		{{PYMATE-TRAILER}}

Dodomi: /* Pymate Script */

2026-06-14T16:52:27Z

Pymate Script

← Older revision		Revision as of 18:52, 14 June 2026
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	The Pymate script just need to declare the '''on_set_cb''' for the '''HREGS''' register definition to catch the call.		The Pymate script just need to declare the '''on_set_cb''' for the '''HREGS''' register definition to catch the call.

			<syntaxhighlight lang="python" line>
	# Registers and their default values		# Registers and their default values
	slave_registers = {		slave_registers = {

Dodomi: /* Abstract */

2026-06-14T16:51:59Z

Abstract

← Older revision		Revision as of 18:51, 14 June 2026
Line 8:		Line 8:

	This example will show how Pymate script will grab the integer value sent by the HMI display.		This example will show how Pymate script will grab the integer value sent by the HMI display.

			Just press the field on the HMI Display to encode the new value

	== HMI Example Project ==		== HMI Example Project ==

Dodomi: /* HMI Example Project */

2026-06-14T16:51:52Z

HMI Example Project

← Older revision		Revision as of 18:51, 14 June 2026
Line 23:		Line 23:

	[[File:PymateIO-HMI-01-03.png]]		[[File:PymateIO-HMI-01-03.png]]

	~~Just press the field on the HMI Display to encode the new value~~


	== Pymate Script ==		== Pymate Script ==

Dodomi: /* HMI Example Project */

2026-06-14T16:51:18Z

HMI Example Project

@@ Line 26: / Line 26: @@
 Just press the field on the HMI Display to encode the new value
-Entering a value will issue a function 6 ModBus request.
+== Pymate Script ==
   <nowiki>Modbus: HREGS READ <Request fct=3 qty=2 addr=0 data=None>
@@ Line 35: / Line 38: @@
 Modbus: HREGS READ <Request fct=3 qty=2 addr=0 data=None>
 </nowiki>
 {{PYMATE-TRAILER}}

Dodomi: /* HMI Example Project */

2026-06-14T16:46:00Z

HMI Example Project

← Older revision		Revision as of 18:46, 14 June 2026
Line 22:		Line 22:
	With the following field definition		With the following field definition

	[[File:02-03.png]]		[[File:PymateIO-HMI-01-03.png]]

	Just press the field on the HMI Display to encode the new value		Just press the field on the HMI Display to encode the new value

Dodomi: /* HMI Example Project */

2026-06-14T16:45:17Z

HMI Example Project

← Older revision		Revision as of 18:45, 14 June 2026
Line 20:		Line 20:
	[[File:02-01.png]]		[[File:02-01.png]]

	Just press the field to encode a new value		With the following field definition

			[[File:02-03.png]]

			Just press the field on the HMI Display to encode the new value

	[[File:02-edit-value.jpg\|800px]]		[[File:02-edit-value.jpg\|800px]]

Dodomi: /* HMI Example Project */

2026-06-14T16:43:23Z

HMI Example Project

← Older revision		Revision as of 18:43, 14 June 2026
Line 22:		Line 22:
	Just press the field to encode a new value		Just press the field to encode a new value

	[[File:02-edit-value.~~png~~\|800px]]		[[File:02-edit-value.jpg\|800px]]

	Entering a value will issue a function 6 ModBus request.		Entering a value will issue a function 6 ModBus request.