Expand description
§plctag-core
a rust wrapper of libplctag, with rust style APIs and useful extensions.
§How to use
Add plctag-core to your Cargo.toml
[dependencies]
plctag-core= "0.4"§Examples
§read/write tag
use plctag_core::{Encode, Decode, RawTag, ValueExt};
let timeout = 100;//ms
let path="protocol=ab-eip&plc=controllogix&path=1,0&gateway=192.168.1.120&name=MyTag1&elem_count=1&elem_size=16";// YOUR TAG DEFINITION
let tag = RawTag::new(path, timeout).unwrap();
//read tag
let status = tag.read(timeout);
assert!(status.is_ok());
let offset = 0;
let value:u16 = tag.get_value(offset).unwrap();
println!("tag value: {}", value);
let value = value + 10;
tag.set_value(offset, value).unwrap();
//write tag
let status = tag.write(timeout);
assert!(status.is_ok());
println!("write done!");§More examples
please take a look at examples
§Build
Please refer to How to build to setup build
§License
MIT
Modules§
Structs§
- RawTag
- wrapper of tag model based on
libplctag
Enums§
- Status
- plc tag error code representations
Traits§
- Decode
- this trait abstracts tag value. you can use the trait to implement your UDT.
- Encode
- see
Decode - Value
Ext - generic value getter/setter
Type Aliases§
- Result
- plctag result