erpc_interface/README.md
author Edouard Tisserant <edouard@beremiz.fr>
Thu, 05 Dec 2024 13:56:59 +0100
changeset 4060 d2f5eb3c7d6e
parent 3946 8815b44be31e
permissions -rw-r--r--
py_ext: fix CSV Writer

fix POU logic :
- SAVE is a BOOL
- invocation of py_eval on rising edge of SAVE
- remove save python argument

fix python:
- use no encoding for file open (python2)
- re-use detected dialect if any
- use no "rt+" and truncate since no need to re-sniff dialect for output file
- return "OK" instead of "#SUCCESS", preventing POU logic to ACK result
- support creating new line if writing just after last line
- support appending data on short rows

fix example:
- use a HMI:Button to trigger CSV write instead of HMI:Input +1
- reload CSVs on on each new CSV opened in file browser
- add display of CSV write output
# eRPC Interface

This directory contains the eRPC interface definition and Python generated code for RPC channel used in between IDE and PLC.

## Directory Structure

- `erpc_PLCObject.erpc`: eRPC interface definition, subset of IDL language
- `erpc_PLCObject/`: This directory contains eRPC interface generated python code
- `__init__.py`: Useless and empty file also generated by `erpcgen`


## eRPC Interface Definition

The eRPC interface definition files define the communication protocol and message formats used by the project. These files are used to generate the necessary code for both the client and server sides.

## Generated Code

The Python code generated from the eRPC interface definition provides the necessary functions and classes to interact with the eRPC server. This code is used to implement both sides of the communication.

```sh
erpcgen -g py erpc_PLCObject.erpc
```