From 761a1b35e94635d50a62f4d5f44935735aabe776 Mon Sep 17 00:00:00 2001
From: Wolfgang Hottgenroth <wolfgang.hottgenroth@icloud.com>
Date: Sat, 6 Jul 2019 23:27:26 +0100
Subject: [PATCH] dam112 changes

---
 snippets/test6.py  |  4 ++--
 snippets/test6b.py | 21 +++++++++++++++++++++
 snippets/test6c.py | 19 +++++++++++++++++++
 snippets/test6d.py | 25 +++++++++++++++++++++++++
 snippets/test6e.py | 21 +++++++++++++++++++++
 snippets/test7.py  | 13 +++++++------
 6 files changed, 95 insertions(+), 8 deletions(-)
 create mode 100644 snippets/test6b.py
 create mode 100644 snippets/test6c.py
 create mode 100644 snippets/test6d.py
 create mode 100644 snippets/test6e.py

diff --git a/snippets/test6.py b/snippets/test6.py
index 6d7f3e9..4bcddef 100644
--- a/snippets/test6.py
+++ b/snippets/test6.py
@@ -2,7 +2,7 @@ from pymodbus.client.sync import ModbusSerialClient
 import RS485Ext
 import time
 
-ser=RS485Ext.RS485Ext(port='/dev/ttyAMA0', baudrate=1200, stopbits=2)
+ser=RS485Ext.RS485Ext(port='/dev/ttyAMA0', baudrate=9600, stopbits=1)
 
 client = ModbusSerialClient(method='rtu')
 client.socket = ser
@@ -10,7 +10,7 @@ client.connect()
 
 while True:
     try:
-        result = client.read_holding_registers(address=0x2000, count=2, unit=1)
+        result = client.read_holding_registers(address=0x9c42, count=1, unit=1)
         print(result)
         print(result.registers)
     except Exception as e:
diff --git a/snippets/test6b.py b/snippets/test6b.py
new file mode 100644
index 0000000..505dd97
--- /dev/null
+++ b/snippets/test6b.py
@@ -0,0 +1,21 @@
+from pymodbus.client.sync import ModbusSerialClient
+import RS485Ext
+import time
+
+ser=RS485Ext.RS485Ext(port='/dev/ttyAMA0', baudrate=1200, stopbits=1)
+
+client = ModbusSerialClient(method='rtu')
+client.socket = ser
+client.connect()
+
+try:
+   result = client.read_holding_registers(address=0x9c48, count=1, unit=4)
+   # result = client.read_discrete_inputs(address=0x0000, count=1, unit=4)
+   print(result)
+   print(result.registers)
+   # print(result.bits)
+except Exception as e:
+   print("ERROR: %s" % str(e))
+
+client.close()
+
diff --git a/snippets/test6c.py b/snippets/test6c.py
new file mode 100644
index 0000000..9417764
--- /dev/null
+++ b/snippets/test6c.py
@@ -0,0 +1,19 @@
+from pymodbus.client.sync import ModbusSerialClient
+import RS485Ext
+import time
+
+ser=RS485Ext.RS485Ext(port='/dev/ttyAMA0', baudrate=1200, stopbits=1)
+
+client = ModbusSerialClient(method='rtu')
+client.socket = ser
+client.connect()
+
+try:
+   # result = client.write_register(address=0x0000, unit=4, value=1)
+   result = client.write_coil(address=0x0000, unit=4, value=1)
+   print(result)
+except Exception as e:
+   print("ERROR: %s" % str(e))
+
+client.close()
+
diff --git a/snippets/test6d.py b/snippets/test6d.py
new file mode 100644
index 0000000..ca6eb54
--- /dev/null
+++ b/snippets/test6d.py
@@ -0,0 +1,25 @@
+from pymodbus.client.sync import ModbusSerialClient
+import RS485Ext
+import time
+
+ser=RS485Ext.RS485Ext(port='/dev/ttyAMA0', baudrate=1200, stopbits=1)
+
+client = ModbusSerialClient(method='rtu')
+client.socket = ser
+client.connect()
+
+v = 0
+while True:
+    if v == 0:
+        v = 1
+    else:
+        v = 0
+    try:
+        result = client.write_coil(address=0x0000, unit=4, value=v)
+        print(result)
+    except Exception as e:
+        print("ERROR: %s" % str(e))
+    time.sleep(0.5)
+
+client.close()
+
diff --git a/snippets/test6e.py b/snippets/test6e.py
new file mode 100644
index 0000000..1038ad8
--- /dev/null
+++ b/snippets/test6e.py
@@ -0,0 +1,21 @@
+from pymodbus.client.sync import ModbusSerialClient
+import RS485Ext
+import time
+
+ser=RS485Ext.RS485Ext(port='/dev/ttyAMA0', baudrate=1200, stopbits=1)
+
+client = ModbusSerialClient(method='rtu')
+client.socket = ser
+client.connect()
+
+while True:
+    try:
+        result = client.read_discrete_inputs(address=0x0000, count=1, unit=4)
+        print(result)
+        print(result.bits)
+    except Exception as e:
+        print("ERROR: %s" % str(e))
+    time.sleep(0.5)
+
+client.close()
+
diff --git a/snippets/test7.py b/snippets/test7.py
index 1dd64b9..86a17d2 100644
--- a/snippets/test7.py
+++ b/snippets/test7.py
@@ -48,11 +48,11 @@ class ModbusRequestDefinition(object):
     self.label = label
   
 reqs = [
-  ModbusRequestDefinition(4, 0x2000, 2, 'F', '(ERR) Unavailable device'),
-  ModbusRequestDefinition(1, 0x2000, 4, 'F', '(ERR) Wrong register size'),
-  ModbusRequestDefinition(1, 0x2000, 2, 'F', 'Voltage'),
-  ModbusRequestDefinition(1, 0x2020, 2, 'F', 'Frequency'),
-  ModbusRequestDefinition(1, 0x2060, 2, 'F', 'Current'),
+#  ModbusRequestDefinition(4, 0x2000, 2, 'F', '(ERR) Unavailable device'),
+#  ModbusRequestDefinition(1, 0x2000, 4, 'F', '(ERR) Wrong register size'),
+#  ModbusRequestDefinition(1, 0x2000, 2, 'F', 'Voltage'),
+#  ModbusRequestDefinition(1, 0x2020, 2, 'F', 'Frequency'),
+#  ModbusRequestDefinition(1, 0x2060, 2, 'F', 'Current'),
   ModbusRequestDefinition(3, 0x0004, 2, 'RF', 'Resistance Channel 1'),
   ModbusRequestDefinition(3, 0x000C, 2, 'RF', 'Temperature Channel 1'),
   ModbusRequestDefinition(3, 0x0014, 2, 'RF', 'Resistance Channel 2'),
@@ -69,6 +69,7 @@ client.socket = getSerial()
 client.connect()
 
 delay = 0.05
+period = 1.0
 
 while True:
   for req in reqs:
@@ -90,7 +91,7 @@ while True:
         client.socket = getSerial()
 
   print("-------------")
-  time.sleep(10)
+  time.sleep(period)
 
 
 client.close()