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nexedi
osie
Commits
8b91d7cc
Commit
8b91d7cc
authored
Oct 29, 2021
by
Balakrishna Balakrishna
Browse files
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Merge branch 'master' into feature/opcua
parents
da969acf
a5ef183a
Changes
2
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2 changed files
with
216 additions
and
128 deletions
+216
-128
coupler/opc-ua-server/opc-ua-server.py
coupler/opc-ua-server/opc-ua-server.py
+0
-26
coupler/opc-ua-server/server.c
coupler/opc-ua-server/server.c
+216
-102
No files found.
coupler/opc-ua-server/opc-ua-server.py
deleted
100644 → 0
View file @
da969acf
"""
Simple OPC UA server with one paremeter (temp).
"""
from
opcua
import
Server
from
random
import
randint
import
time
server
=
Server
()
url
=
"opc.tcp://0.0.0.0:4840"
server
.
set_endpoint
(
url
)
name
=
"OPCUA_SIMULATION_SERVER"
addspace
=
server
.
register_namespace
(
name
)
node
=
server
.
get_objects_node
()
Param
=
node
.
add_object
(
addspace
,
"Parameters"
)
Temp
=
Param
.
add_variable
(
addspace
,
"Temperature"
,
0
)
Temp
.
set_writable
()
server
.
start
()
print
(
"started at %s"
%
url
)
while
1
:
Temp
.
set_value
(
randint
(
10
,
50
))
time
.
sleep
(
10
)
coupler/opc-ua-server/server.c
View file @
8b91d7cc
...
...
@@ -16,18 +16,26 @@
#include "open62541.h"
// global relay state
uint8_t
myrelay
=
0
;
uint8_t
I2C_0_RELAYS_STATE
=
0
;
// state of 4 relays at I2C slave 0
uint8_t
I2C_1_RELAYS_STATE
=
0
;
// state of 4 relays at I2C slave 1
static
int
setRelayState
(
int
command
)
{
// the default addresses of MOD-IOs
const
int
I2C_0_ADDR
=
0x58
;
const
int
I2C_1_ADDR
=
0x59
;
// the block device at host machine
static
const
char
I2C_BLOCK_DEVICE_NAME
[]
=
"/dev/i2c-1"
;
static
int
setRelayState
(
int
command
,
int
i2c_addr
)
{
/*
* Set relays' state over I2C
*/
int
file
;
int
adapter_nr
=
1
;
/* probably dynamically determined */
char
filename
[
20
];
// step 1: open device
snprintf
(
filename
,
19
,
"/dev/i2c-%d"
,
adapter_nr
);
snprintf
(
filename
,
19
,
I2C_BLOCK_DEVICE_NAME
);
file
=
open
(
filename
,
O_RDWR
);
if
(
file
<
0
)
{
/* ERROR HANDLING; you can check errno to see what went wrong */
...
...
@@ -36,8 +44,7 @@ static int setRelayState(int command) {
}
// step 2: address the slave by its address
int
addr
=
0x58
;
/* The I2C address */
if
(
ioctl
(
file
,
I2C_SLAVE
,
addr
)
<
0
)
{
if
(
ioctl
(
file
,
I2C_SLAVE
,
i2c_addr
)
<
0
)
{
/* ERROR HANDLING; you can check errno to see what went wrong */
printf
(
"Error addressing i2c slave."
);
exit
(
1
);
...
...
@@ -65,61 +72,109 @@ static void addVariable(UA_Server *server) {
UA_NodeId
parentNodeId
=
UA_NODEID_NUMERIC
(
0
,
UA_NS0ID_OBJECTSFOLDER
);
UA_NodeId
parentReferenceNodeId
=
UA_NODEID_NUMERIC
(
0
,
UA_NS0ID_ORGANIZES
);
// relay 0
//
I2C0 /
relay 0
UA_VariableAttributes
attr0
=
UA_VariableAttributes_default
;
UA_Variant_setScalar
(
&
attr0
.
value
,
&
myInteger
,
&
UA_TYPES
[
UA_TYPES_INT32
]);
attr0
.
description
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"Relay 0"
);
attr0
.
displayName
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"Relay 0"
);
attr0
.
description
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"
I2C0 /
Relay 0"
);
attr0
.
displayName
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"
I2C0 /
Relay 0"
);
attr0
.
dataType
=
UA_TYPES
[
UA_TYPES_INT32
].
typeId
;
attr0
.
accessLevel
=
UA_ACCESSLEVELMASK_READ
|
UA_ACCESSLEVELMASK_WRITE
;
UA_NodeId
myIntegerNodeId0
=
UA_NODEID_STRING
(
1
,
"relay0"
);
UA_QualifiedName
myIntegerName0
=
UA_QUALIFIEDNAME
(
1
,
"Relay 0"
);
UA_NodeId
myIntegerNodeId0
=
UA_NODEID_STRING
(
1
,
"i2c0.relay0"
);
UA_QualifiedName
myIntegerName0
=
UA_QUALIFIEDNAME
(
1
,
"I2C0 / Relay 0"
);
UA_Server_addVariableNode
(
server
,
myIntegerNodeId0
,
parentNodeId
,
parentReferenceNodeId
,
myIntegerName0
,
UA_NODEID_NUMERIC
(
0
,
UA_NS0ID_BASEDATAVARIABLETYPE
),
attr0
,
NULL
,
NULL
);
// relay 1
//
I2C0 /
relay 1
UA_VariableAttributes
attr1
=
UA_VariableAttributes_default
;
UA_Variant_setScalar
(
&
attr1
.
value
,
&
myInteger
,
&
UA_TYPES
[
UA_TYPES_INT32
]);
attr1
.
description
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"Relay 1"
);
attr1
.
displayName
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"Relay 1"
);
attr1
.
description
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"
I2C0 /
Relay 1"
);
attr1
.
displayName
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"
I2C0 /
Relay 1"
);
attr1
.
dataType
=
UA_TYPES
[
UA_TYPES_INT32
].
typeId
;
attr1
.
accessLevel
=
UA_ACCESSLEVELMASK_READ
|
UA_ACCESSLEVELMASK_WRITE
;
UA_NodeId
myIntegerNodeId1
=
UA_NODEID_STRING
(
1
,
"relay1"
);
UA_QualifiedName
myIntegerName1
=
UA_QUALIFIEDNAME
(
1
,
"Relay 1"
);
UA_NodeId
myIntegerNodeId1
=
UA_NODEID_STRING
(
1
,
"i2c0.relay1"
);
UA_QualifiedName
myIntegerName1
=
UA_QUALIFIEDNAME
(
1
,
"I2C0 / Relay 1"
);
UA_Server_addVariableNode
(
server
,
myIntegerNodeId1
,
parentNodeId
,
parentReferenceNodeId
,
myIntegerName1
,
UA_NODEID_NUMERIC
(
0
,
UA_NS0ID_BASEDATAVARIABLETYPE
),
attr1
,
NULL
,
NULL
);
// relay 2
//
I2C0 /
relay 2
UA_VariableAttributes
attr2
=
UA_VariableAttributes_default
;
UA_Variant_setScalar
(
&
attr2
.
value
,
&
myInteger
,
&
UA_TYPES
[
UA_TYPES_INT32
]);
attr2
.
description
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"Relay 2"
);
attr2
.
displayName
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"Relay 2"
);
attr2
.
description
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"
I2C0 /
Relay 2"
);
attr2
.
displayName
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"
I2C0 /
Relay 2"
);
attr2
.
dataType
=
UA_TYPES
[
UA_TYPES_INT32
].
typeId
;
attr2
.
accessLevel
=
UA_ACCESSLEVELMASK_READ
|
UA_ACCESSLEVELMASK_WRITE
;
UA_NodeId
myIntegerNodeId2
=
UA_NODEID_STRING
(
1
,
"relay2"
);
UA_QualifiedName
myIntegerName2
=
UA_QUALIFIEDNAME
(
1
,
"Relay 2"
);
UA_NodeId
myIntegerNodeId2
=
UA_NODEID_STRING
(
1
,
"i2c0.relay2"
);
UA_QualifiedName
myIntegerName2
=
UA_QUALIFIEDNAME
(
1
,
"I2C0 / Relay 2"
);
UA_Server_addVariableNode
(
server
,
myIntegerNodeId2
,
parentNodeId
,
parentReferenceNodeId
,
myIntegerName2
,
UA_NODEID_NUMERIC
(
0
,
UA_NS0ID_BASEDATAVARIABLETYPE
),
attr2
,
NULL
,
NULL
);
// relay 3
//
I2C0 /
relay 3
UA_VariableAttributes
attr3
=
UA_VariableAttributes_default
;
UA_Variant_setScalar
(
&
attr3
.
value
,
&
myInteger
,
&
UA_TYPES
[
UA_TYPES_INT32
]);
attr3
.
description
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"Relay 3"
);
attr3
.
displayName
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"Relay 3"
);
attr3
.
description
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"
I2C0 /
Relay 3"
);
attr3
.
displayName
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"
I2C0 /
Relay 3"
);
attr3
.
dataType
=
UA_TYPES
[
UA_TYPES_INT32
].
typeId
;
attr3
.
accessLevel
=
UA_ACCESSLEVELMASK_READ
|
UA_ACCESSLEVELMASK_WRITE
;
UA_NodeId
myIntegerNodeId3
=
UA_NODEID_STRING
(
1
,
"relay3"
);
UA_QualifiedName
myIntegerName3
=
UA_QUALIFIEDNAME
(
1
,
"Relay 3"
);
UA_NodeId
myIntegerNodeId3
=
UA_NODEID_STRING
(
1
,
"i2c0.relay3"
);
UA_QualifiedName
myIntegerName3
=
UA_QUALIFIEDNAME
(
1
,
"I2C0 / Relay 3"
);
UA_Server_addVariableNode
(
server
,
myIntegerNodeId3
,
parentNodeId
,
parentReferenceNodeId
,
myIntegerName3
,
UA_NODEID_NUMERIC
(
0
,
UA_NS0ID_BASEDATAVARIABLETYPE
),
attr3
,
NULL
,
NULL
);
// I2C1 / relay 0
UA_VariableAttributes
attr4
=
UA_VariableAttributes_default
;
UA_Variant_setScalar
(
&
attr4
.
value
,
&
myInteger
,
&
UA_TYPES
[
UA_TYPES_INT32
]);
attr4
.
description
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"I2C1 / Relay 0"
);
attr4
.
displayName
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"I2C1 / Relay 0"
);
attr4
.
dataType
=
UA_TYPES
[
UA_TYPES_INT32
].
typeId
;
attr4
.
accessLevel
=
UA_ACCESSLEVELMASK_READ
|
UA_ACCESSLEVELMASK_WRITE
;
UA_NodeId
myIntegerNodeId4
=
UA_NODEID_STRING
(
1
,
"i2c1.relay0"
);
UA_QualifiedName
myIntegerName4
=
UA_QUALIFIEDNAME
(
1
,
"I2C1 / Relay 0"
);
UA_Server_addVariableNode
(
server
,
myIntegerNodeId4
,
parentNodeId
,
parentReferenceNodeId
,
myIntegerName4
,
UA_NODEID_NUMERIC
(
0
,
UA_NS0ID_BASEDATAVARIABLETYPE
),
attr4
,
NULL
,
NULL
);
// I2C1 / relay 1
UA_VariableAttributes
attr5
=
UA_VariableAttributes_default
;
UA_Variant_setScalar
(
&
attr5
.
value
,
&
myInteger
,
&
UA_TYPES
[
UA_TYPES_INT32
]);
attr5
.
description
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"I2C1 / Relay 1"
);
attr5
.
displayName
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"I2C1 / Relay 1"
);
attr5
.
dataType
=
UA_TYPES
[
UA_TYPES_INT32
].
typeId
;
attr5
.
accessLevel
=
UA_ACCESSLEVELMASK_READ
|
UA_ACCESSLEVELMASK_WRITE
;
UA_NodeId
myIntegerNodeId5
=
UA_NODEID_STRING
(
1
,
"i2c1.relay1"
);
UA_QualifiedName
myIntegerName5
=
UA_QUALIFIEDNAME
(
1
,
"I2C1 / Relay 1"
);
UA_Server_addVariableNode
(
server
,
myIntegerNodeId5
,
parentNodeId
,
parentReferenceNodeId
,
myIntegerName5
,
UA_NODEID_NUMERIC
(
0
,
UA_NS0ID_BASEDATAVARIABLETYPE
),
attr5
,
NULL
,
NULL
);
// I2C1 / relay 2
UA_VariableAttributes
attr6
=
UA_VariableAttributes_default
;
UA_Variant_setScalar
(
&
attr6
.
value
,
&
myInteger
,
&
UA_TYPES
[
UA_TYPES_INT32
]);
attr6
.
description
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"I2C1 / Relay 2"
);
attr6
.
displayName
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"I2C1 / Relay 2"
);
attr6
.
dataType
=
UA_TYPES
[
UA_TYPES_INT32
].
typeId
;
attr6
.
accessLevel
=
UA_ACCESSLEVELMASK_READ
|
UA_ACCESSLEVELMASK_WRITE
;
UA_NodeId
myIntegerNodeId6
=
UA_NODEID_STRING
(
1
,
"i2c1.relay2"
);
UA_QualifiedName
myIntegerName6
=
UA_QUALIFIEDNAME
(
1
,
"I2C1 / Relay 2"
);
UA_Server_addVariableNode
(
server
,
myIntegerNodeId6
,
parentNodeId
,
parentReferenceNodeId
,
myIntegerName6
,
UA_NODEID_NUMERIC
(
0
,
UA_NS0ID_BASEDATAVARIABLETYPE
),
attr6
,
NULL
,
NULL
);
// I2C1 / relay 3
UA_VariableAttributes
attr7
=
UA_VariableAttributes_default
;
UA_Variant_setScalar
(
&
attr7
.
value
,
&
myInteger
,
&
UA_TYPES
[
UA_TYPES_INT32
]);
attr7
.
description
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"I2C1 / Relay 3"
);
attr7
.
displayName
=
UA_LOCALIZEDTEXT
(
"en-US"
,
"I2C1 / Relay 3"
);
attr7
.
dataType
=
UA_TYPES
[
UA_TYPES_INT32
].
typeId
;
attr7
.
accessLevel
=
UA_ACCESSLEVELMASK_READ
|
UA_ACCESSLEVELMASK_WRITE
;
UA_NodeId
myIntegerNodeId7
=
UA_NODEID_STRING
(
1
,
"i2c1.relay3"
);
UA_QualifiedName
myIntegerName7
=
UA_QUALIFIEDNAME
(
1
,
"I2C1 / Relay 3"
);
UA_Server_addVariableNode
(
server
,
myIntegerNodeId7
,
parentNodeId
,
parentReferenceNodeId
,
myIntegerName7
,
UA_NODEID_NUMERIC
(
0
,
UA_NS0ID_BASEDATAVARIABLETYPE
),
attr7
,
NULL
,
NULL
);
}
/* Connect to variables to physical relays
...
...
@@ -134,144 +189,207 @@ static void beforeReadTime(UA_Server *server,
// XXX: having afterWriteTime{0..3} is not needed and maybe with introspection of context we can
// write only one callback function
static
void
afterWriteTime0
(
UA_Server
*
server
,
static
void
afterWriteTime
I2C0_
0
(
UA_Server
*
server
,
const
UA_NodeId
*
sessionId
,
void
*
sessionContext
,
const
UA_NodeId
*
nodeId
,
void
*
nodeContext
,
const
UA_NumericRange
*
range
,
const
UA_DataValue
*
data
)
{
//UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_USERLAND, "The variable was updated");
if
(
data
->
value
.
type
==
&
UA_TYPES
[
UA_TYPES_INT32
])
{
UA_Int32
hrValue
=
*
(
UA_Int32
*
)
data
->
value
.
data
;
if
(
hrValue
>
0
){
myrelay
|=
1UL
<<
0
;
// relay0
setRelayState
(
myrelay
);
I2C_0_RELAYS_STATE
|=
1UL
<<
0
;
setRelayState
(
I2C_0_RELAYS_STATE
,
I2C_0_ADDR
);
}
else
{
myrelay
&=
~
(
1UL
<<
0
);
// relay0
setRelayState
(
myrelay
);
I2C_0_RELAYS_STATE
&=
~
(
1UL
<<
0
);
setRelayState
(
I2C_0_RELAYS_STATE
,
I2C_0_ADDR
);
}
}
}
static
void
afterWriteTime1
(
UA_Server
*
server
,
static
void
afterWriteTime
I2C0_
1
(
UA_Server
*
server
,
const
UA_NodeId
*
sessionId
,
void
*
sessionContext
,
const
UA_NodeId
*
nodeId
,
void
*
nodeContext
,
const
UA_NumericRange
*
range
,
const
UA_DataValue
*
data
)
{
//UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_USERLAND, "The variable was updated");
if
(
data
->
value
.
type
==
&
UA_TYPES
[
UA_TYPES_INT32
])
{
UA_Int32
hrValue
=
*
(
UA_Int32
*
)
data
->
value
.
data
;
if
(
hrValue
>
0
){
myrelay
|=
1UL
<<
1
;
setRelayState
(
myrelay
);
I2C_0_RELAYS_STATE
|=
1UL
<<
1
;
setRelayState
(
I2C_0_RELAYS_STATE
,
I2C_0_ADDR
);
}
else
{
myrelay
&=
~
(
1UL
<<
1
);
setRelayState
(
myrelay
);
I2C_0_RELAYS_STATE
&=
~
(
1UL
<<
1
);
setRelayState
(
I2C_0_RELAYS_STATE
,
I2C_0_ADDR
);
}
}
}
static
void
afterWriteTime2
(
UA_Server
*
server
,
static
void
afterWriteTime
I2C0_
2
(
UA_Server
*
server
,
const
UA_NodeId
*
sessionId
,
void
*
sessionContext
,
const
UA_NodeId
*
nodeId
,
void
*
nodeContext
,
const
UA_NumericRange
*
range
,
const
UA_DataValue
*
data
)
{
//UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_USERLAND, "The variable was updated");
if
(
data
->
value
.
type
==
&
UA_TYPES
[
UA_TYPES_INT32
])
{
UA_Int32
hrValue
=
*
(
UA_Int32
*
)
data
->
value
.
data
;
if
(
hrValue
>
0
){
myrelay
|=
1UL
<<
2
;
setRelayState
(
myrelay
);
I2C_0_RELAYS_STATE
|=
1UL
<<
2
;
setRelayState
(
I2C_0_RELAYS_STATE
,
I2C_0_ADDR
);
}
else
{
myrelay
&=
~
(
1UL
<<
2
);
setRelayState
(
myrelay
);
I2C_0_RELAYS_STATE
&=
~
(
1UL
<<
2
);
setRelayState
(
I2C_0_RELAYS_STATE
,
I2C_0_ADDR
);
}
}
}
static
void
afterWriteTime3
(
UA_Server
*
server
,
static
void
afterWriteTime
I2C0_
3
(
UA_Server
*
server
,
const
UA_NodeId
*
sessionId
,
void
*
sessionContext
,
const
UA_NodeId
*
nodeId
,
void
*
nodeContext
,
const
UA_NumericRange
*
range
,
const
UA_DataValue
*
data
)
{
//UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_USERLAND, "The variable was updated");
if
(
data
->
value
.
type
==
&
UA_TYPES
[
UA_TYPES_INT32
])
{
UA_Int32
hrValue
=
*
(
UA_Int32
*
)
data
->
value
.
data
;
if
(
hrValue
>
0
){
myrelay
|=
1UL
<<
3
;
setRelayState
(
myrelay
);
I2C_0_RELAYS_STATE
|=
1UL
<<
3
;
setRelayState
(
I2C_0_RELAYS_STATE
,
I2C_0_ADDR
);
}
else
{
myrelay
&=
~
(
1UL
<<
3
);
setRelayState
(
myrelay
);
I2C_0_RELAYS_STATE
&=
~
(
1UL
<<
3
);
setRelayState
(
I2C_0_RELAYS_STATE
,
I2C_0_ADDR
);
}
}
}
// I2C1
static
void
afterWriteTimeI2C1_0
(
UA_Server
*
server
,
const
UA_NodeId
*
sessionId
,
void
*
sessionContext
,
const
UA_NodeId
*
nodeId
,
void
*
nodeContext
,
const
UA_NumericRange
*
range
,
const
UA_DataValue
*
data
)
{
if
(
data
->
value
.
type
==
&
UA_TYPES
[
UA_TYPES_INT32
])
{
UA_Int32
hrValue
=
*
(
UA_Int32
*
)
data
->
value
.
data
;
if
(
hrValue
>
0
){
I2C_1_RELAYS_STATE
|=
1UL
<<
0
;
setRelayState
(
I2C_1_RELAYS_STATE
,
I2C_1_ADDR
);
}
else
{
I2C_1_RELAYS_STATE
&=
~
(
1UL
<<
0
);
setRelayState
(
I2C_1_RELAYS_STATE
,
I2C_1_ADDR
);
}
}
}
static
void
afterWriteTimeI2C1_1
(
UA_Server
*
server
,
const
UA_NodeId
*
sessionId
,
void
*
sessionContext
,
const
UA_NodeId
*
nodeId
,
void
*
nodeContext
,
const
UA_NumericRange
*
range
,
const
UA_DataValue
*
data
)
{
if
(
data
->
value
.
type
==
&
UA_TYPES
[
UA_TYPES_INT32
])
{
UA_Int32
hrValue
=
*
(
UA_Int32
*
)
data
->
value
.
data
;
if
(
hrValue
>
0
){
I2C_1_RELAYS_STATE
|=
1UL
<<
1
;
setRelayState
(
I2C_1_RELAYS_STATE
,
I2C_1_ADDR
);
}
else
{
I2C_1_RELAYS_STATE
&=
~
(
1UL
<<
1
);
setRelayState
(
I2C_1_RELAYS_STATE
,
I2C_1_ADDR
);
}
}
}
static
void
afterWriteTimeI2C1_2
(
UA_Server
*
server
,
const
UA_NodeId
*
sessionId
,
void
*
sessionContext
,
const
UA_NodeId
*
nodeId
,
void
*
nodeContext
,
const
UA_NumericRange
*
range
,
const
UA_DataValue
*
data
)
{
if
(
data
->
value
.
type
==
&
UA_TYPES
[
UA_TYPES_INT32
])
{
UA_Int32
hrValue
=
*
(
UA_Int32
*
)
data
->
value
.
data
;
if
(
hrValue
>
0
){
I2C_1_RELAYS_STATE
|=
1UL
<<
2
;
setRelayState
(
I2C_1_RELAYS_STATE
,
I2C_1_ADDR
);
}
else
{
I2C_1_RELAYS_STATE
&=
~
(
1UL
<<
2
);
setRelayState
(
I2C_1_RELAYS_STATE
,
I2C_1_ADDR
);
}
}
}
static
void
afterWriteTimeI2C1_3
(
UA_Server
*
server
,
const
UA_NodeId
*
sessionId
,
void
*
sessionContext
,
const
UA_NodeId
*
nodeId
,
void
*
nodeContext
,
const
UA_NumericRange
*
range
,
const
UA_DataValue
*
data
)
{
if
(
data
->
value
.
type
==
&
UA_TYPES
[
UA_TYPES_INT32
])
{
UA_Int32
hrValue
=
*
(
UA_Int32
*
)
data
->
value
.
data
;
if
(
hrValue
>
0
){
I2C_1_RELAYS_STATE
|=
1UL
<<
3
;
setRelayState
(
I2C_1_RELAYS_STATE
,
I2C_1_ADDR
);
}
else
{
I2C_1_RELAYS_STATE
&=
~
(
1UL
<<
3
);
setRelayState
(
I2C_1_RELAYS_STATE
,
I2C_1_ADDR
);
}
}
}
static
void
addValueCallbackToCurrentTimeVariable
(
UA_Server
*
server
)
{
// I2C0
// relay 0
UA_NodeId
currentNodeId0
=
UA_NODEID_STRING
(
1
,
"relay0"
);
UA_NodeId
currentNodeId0
=
UA_NODEID_STRING
(
1
,
"
i2c0.
relay0"
);
UA_ValueCallback
callback0
;
callback0
.
onRead
=
beforeReadTime
;
callback0
.
onWrite
=
afterWriteTime0
;
callback0
.
onWrite
=
afterWriteTime
I2C0_
0
;
UA_Server_setVariableNode_valueCallback
(
server
,
currentNodeId0
,
callback0
);
// relay 1
UA_NodeId
currentNodeId1
=
UA_NODEID_STRING
(
1
,
"relay1"
);
UA_NodeId
currentNodeId1
=
UA_NODEID_STRING
(
1
,
"
i2c0.
relay1"
);
UA_ValueCallback
callback1
;
callback1
.
onRead
=
beforeReadTime
;
callback1
.
onWrite
=
afterWriteTime1
;
callback1
.
onWrite
=
afterWriteTime
I2C0_
1
;
UA_Server_setVariableNode_valueCallback
(
server
,
currentNodeId1
,
callback1
);
// relay 2
UA_NodeId
currentNodeId2
=
UA_NODEID_STRING
(
1
,
"relay2"
);
UA_NodeId
currentNodeId2
=
UA_NODEID_STRING
(
1
,
"
i2c0.
relay2"
);
UA_ValueCallback
callback2
;
callback2
.
onRead
=
beforeReadTime
;
callback2
.
onWrite
=
afterWriteTime2
;
callback2
.
onWrite
=
afterWriteTime
I2C0_
2
;
UA_Server_setVariableNode_valueCallback
(
server
,
currentNodeId2
,
callback2
);
// relay 3
UA_NodeId
currentNodeId3
=
UA_NODEID_STRING
(
1
,
"relay3"
);
UA_NodeId
currentNodeId3
=
UA_NODEID_STRING
(
1
,
"
i2c0.
relay3"
);
UA_ValueCallback
callback3
;
callback3
.
onRead
=
beforeReadTime
;
callback3
.
onWrite
=
afterWriteTime3
;
callback3
.
onWrite
=
afterWriteTime
I2C0_
3
;
UA_Server_setVariableNode_valueCallback
(
server
,
currentNodeId3
,
callback3
);
}
/**
* Now we change the value with the write service. This uses the same service
* implementation that can also be reached over the network by an OPC UA client.
*/
static
void
writeVariable
(
UA_Server
*
server
)
{
UA_NodeId
myIntegerNodeId
=
UA_NODEID_STRING
(
1
,
"relay0"
);
/* Write a different integer value */
UA_Int32
myInteger
=
0
;
UA_Variant
myVar
;
UA_Variant_init
(
&
myVar
);
UA_Variant_setScalar
(
&
myVar
,
&
myInteger
,
&
UA_TYPES
[
UA_TYPES_INT32
]);
UA_Server_writeValue
(
server
,
myIntegerNodeId
,
myVar
);
/* Set the status code of the value to an error code. The function
* UA_Server_write provides access to the raw service. The above
* UA_Server_writeValue is syntactic sugar for writing a specific node
* attribute with the write service. */
UA_WriteValue
wv
;
UA_WriteValue_init
(
&
wv
);
wv
.
nodeId
=
myIntegerNodeId
;
wv
.
attributeId
=
UA_ATTRIBUTEID_VALUE
;
wv
.
value
.
status
=
UA_STATUSCODE_BADNOTCONNECTED
;
wv
.
value
.
hasStatus
=
true
;
UA_Server_write
(
server
,
&
wv
);
/* Reset the variable to a good statuscode with a value */
wv
.
value
.
hasStatus
=
false
;
wv
.
value
.
value
=
myVar
;
wv
.
value
.
hasValue
=
true
;
UA_Server_write
(
server
,
&
wv
);
// I2C1
// relay 0
UA_NodeId
currentNodeId4
=
UA_NODEID_STRING
(
1
,
"i2c1.relay0"
);
UA_ValueCallback
callback4
;
callback4
.
onRead
=
beforeReadTime
;
callback4
.
onWrite
=
afterWriteTimeI2C1_0
;
UA_Server_setVariableNode_valueCallback
(
server
,
currentNodeId4
,
callback4
);
// relay 1
UA_NodeId
currentNodeId5
=
UA_NODEID_STRING
(
1
,
"i2c1.relay1"
);
UA_ValueCallback
callback5
;
callback5
.
onRead
=
beforeReadTime
;
callback5
.
onWrite
=
afterWriteTimeI2C1_1
;
UA_Server_setVariableNode_valueCallback
(
server
,
currentNodeId5
,
callback5
);
// relay 2
UA_NodeId
currentNodeId6
=
UA_NODEID_STRING
(
1
,
"i2c1.relay2"
);
UA_ValueCallback
callback6
;
callback6
.
onRead
=
beforeReadTime
;
callback6
.
onWrite
=
afterWriteTimeI2C1_2
;
UA_Server_setVariableNode_valueCallback
(
server
,
currentNodeId6
,
callback6
);
// relay 2
UA_NodeId
currentNodeId7
=
UA_NODEID_STRING
(
1
,
"i2c1.relay3"
);
UA_ValueCallback
callback7
;
callback7
.
onRead
=
beforeReadTime
;
callback7
.
onWrite
=
afterWriteTimeI2C1_3
;
UA_Server_setVariableNode_valueCallback
(
server
,
currentNodeId7
,
callback7
);
}
static
volatile
UA_Boolean
running
=
true
;
static
void
stopHandler
(
int
sign
)
{
...
...
@@ -281,7 +399,7 @@ static void stopHandler(int sign) {
int
main
(
void
)
{
// set all relays to OFF at startup
setRelayState
(
0x00
);
setRelayState
(
0x00
,
I2C_0_ADDR
);
signal
(
SIGINT
,
stopHandler
);
signal
(
SIGTERM
,
stopHandler
);
...
...
@@ -290,12 +408,8 @@ int main(void) {
UA_ServerConfig_setDefault
(
UA_Server_getConfig
(
server
));
UA_ServerConfig
*
config
=
UA_Server_getConfig
(
server
);
config
->
verifyRequestTimestamp
=
UA_RULEHANDLING_ACCEPT
;
//#ifdef UA_ENABLE_WEBSOCKET_SERVER
// UA_ServerConfig_addNetworkLayerWS(UA_Server_getConfig(server), 7681, 0, 0, NULL, NULL);
//#endif
addVariable
(
server
);
writeVariable
(
server
);
addValueCallbackToCurrentTimeVariable
(
server
);
UA_StatusCode
retval
=
UA_Server_run
(
server
,
&
running
);
...
...
@@ -303,7 +417,7 @@ int main(void) {
UA_Server_delete
(
server
);
// set all relays to OFF at startup
setRelayState
(
0x00
);
setRelayState
(
0x00
,
I2C_0_ADDR
);
return
retval
==
UA_STATUSCODE_GOOD
?
EXIT_SUCCESS
:
EXIT_FAILURE
;
}
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