[modbus] added write functions

pyheatpump/modbus.py

@@ -6,6 +6,7 @@ import umodbus
 from pprint import pprint
 
 from .config import config
+from .models import *
 
 serial_conn = None
 
@@ -85,6 +86,33 @@ def read_holding_registers(start, end):
 
     return res
 
+def write_coil(var_value: VariableValue):
+    global serial_conn
+    connect()
+
+    try:
+        req_adu = rtu.write_single_coil(
+            slave_id=1,
+            address=var_value.address,
+            value=var_value.value)
+        return resp.send_message(req_adu, serial_conn)
+    except Exception as e:
+        raise e
+
+
+def write_holding_register(var_value: VariableValue):
+    global serial_conn
+    connect()
+
+    try:
+        req_adu = rtu.write_single_register(
+            slave_id=1,
+            address=var_value.address,
+            value=var_value.value)
+        return resp.send_message(req_adu, serial_conn)
+    except Exception as e:
+        raise e
+
 if __name__ == '__main__':
     resp = read_holding_registers(1, 5000)
     #pprint(resp)