Create novus1050.py

Update novus1050.py

octoprint_enclosure/novus1050.py

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+#!/usr/bin/env python3
+import minimalmodbus
+
+## setup ##
+ # port name, slave address (in decimal)
+novus = minimalmodbus.Instrument('/dev/ttyUSB0', 1) 
+# for Novus 1050 comms documentation see:
+# https://cdn.novusautomation.com/downloads/registers_table_n1050_v11x_a_en.pdf
+# rs485 to USB adaptor: USB to RS485 TTL Serial Converter Adapter FTDI interface FT232RL 75176 Module
+novus.serial.baudrate = 115200
+REG_ADDR = {
+    'Active SP': 0,
+    'PV': 1,
+    'dppo': 73
+}
+## Read decimal point precision setting ##
+DP = 3 - novus.read_register(REG_ADDR['dppo'], 0)
+#print(f'decimal places: {DP}')
+## set up complete ##
+
+class Novus1050Temp:
+    def getTemp(self):
+        temperature = novus.read_register(REG_ADDR['PV'], DP)
+        return '{0:0.1f}'.format(temperature)