webdav/sync/c/open-ocpp/3rdparty/libwebsockets/minimal-examples/raw/minimal-raw-serial - 志元云盘

File OriginalPic	EditTime	Size
CMakeLists.txt	2024-07-14 16:18:15	664 B
minimal-raw-file.c	2024-07-14 16:18:15	5.25 KB
README.md	2024-07-14 16:18:15	1.56 KB

# lws minimal raw serial example

This demonstrates adopting a file descriptor representing a serial device
into the event loop, printing a string on it every couple of seconds and
showing any serial that is received.

The serial terminal is configured for 115200 8N1.

```
 $ ./lws-minimal-raw-serial <tty, eg, /dev/ttyUSB0>
```

## build

```
 $ cmake . && make
```

## usage

```
[2019/12/08 16:30:53:4436] U: LWS minimal raw serial
[2019/12/08 16:30:53:5016] E: callback_ntpc: set up system ops for set_clock
[2019/12/08 16:30:54:8061] N: callback_ntpc: Unix time: 1575822654
[2019/12/08 16:30:54:8253] N: LWS_CALLBACK_RAW_ADOPT_FILE
[2019/12/08 16:30:54:8364] N: callback_ntpc: LWS_CALLBACK_RAW_CLOSE
[2019/12/08 16:30:54:8456] N: LWS_CALLBACK_RAW_WRITEABLE_FILE
[2019/12/08 16:30:56:8455] N: LWS_CALLBACK_RAW_WRITEABLE_FILE
[2019/12/08 16:30:58:8460] N: LWS_CALLBACK_RAW_WRITEABLE_FILE
[2019/12/08 16:30:59:1570] N: LWS_CALLBACK_RAW_RX_FILE
[2019/12/08 16:30:59:1604] N: 
[2019/12/08 16:30:59:1641] N: 0000: 62                                                 b               
[2019/12/08 16:30:59:1644] N: 
[2019/12/08 16:31:00:8463] N: LWS_CALLBACK_RAW_WRITEABLE_FILE
[2019/12/08 16:31:01:6392] N: LWS_CALLBACK_RAW_RX_FILE
[2019/12/08 16:31:01:6397] N: 
[2019/12/08 16:31:01:6407] N: 0000: 65                                                 e               
[2019/12/08 16:31:01:6411] N: 
[2019/12/08 16:31:02:8463] N: LWS_CALLBACK_RAW_WRITEABLE_FILE
...                                               .

```

The remote serial connection will show the string sent every 2s.

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