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swig: generate python helpers to use hidpp C library

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```
$> sudo python3
Python 3.7.1 (default, Nov 23 2018, 10:01:49)
[GCC 8.2.1 20181105 (Red Hat 8.2.1-5)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import hidpp
>>> f = open('/dev/hidraw1', 'r+b')
>>> base = hidpp.hidpp_device()
>>> hidpp.hidpp_device_init(base, f.fileno())
>>> dev = hidpp.hidpp20_device_new(base, 0xff)
>>> hidpp.hidpp20_feature_get_name(0x8100)
'HIDPP_PAGE_ONBOARD_PROFILES'
>>> hidpp.new_uint8_tp()
<Swig Object of type 'uint8_t *' at 0x7f865198fb70>
>>> feature_index = hidpp.new_uint8_tp()
>>> feature_type = hidpp.new_uint8_tp()
>>> feature_version = hidpp.new_uint8_tp()
>>> hidpp.hidpp_root_get_feature(dev, 0x8100, feature_index, feature_type, feature_version)
0
>>> hidpp.uint8_tp_value(feature_index)
14
```

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: Filipe Laíns <lains@archlinux.org>
This commit is contained in:
Benjamin Tissoires
2019-09-23 17:07:14 +02:00
committed by Filipe Laíns
parent b6936ddd3b
commit c8f56cc535
2 changed files with 36 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
meson.build
View File

@@ -618,6 +618,19 @@ shared_library(
install: false,
)
i_source = join_paths(meson.source_root(), 'src', 'hidpp.i')
c_source = swig_gen.process(i_source)
shared_library(
'hidpp',
c_source,
name_prefix: '_',
c_args : ['-Wno-missing-prototypes', '-Wno-format-nonliteral'],
extra_files: [ i_source ] + src_libratbag ,
dependencies: deps_libratbag + wrapper_deps,
include_directories : include_directories('src', 'tools'),
install: false,
)
# ratbagc is the layer that maps ratbagctl to the swig bindings
ratbagc_py_conf = configuration_data()
ratbagc_py_conf.set('LIBRATBAG_DATA_DIR', libratbag_data_dir_devel)

23
src/hidpp.i Normal file
View File

@@ -0,0 +1,23 @@
/* wrapping libratbag functions from hidpp*.h using SWIG. */
%module hidpp
%{
/* the resulting C file should be built as a python extension */
#define SWIG_FILE_WITH_INIT
/* Includes the header in the wrapper code */
#include <shared.h>
#include <hidpp-generic.h>
#include <hidpp20.h>
%}
#define __attribute__(x)
#define _Static_assert(a,b)
/* Parse the header file to generate wrappers */
%include "stdint.i"
%include "cpointer.i"
%pointer_functions(int, intp);
%pointer_functions(uint8_t, uint8_tp);
%pointer_functions(uint16_t, uint16_tp);
%include "hidpp-generic.h"
%include "hidpp20.h"