Raspberries/mraa
Private
Public Access
2
0
Fork 0
Code Activity

maa_init: fix constructor attribute in maa_init and add working example

Browse Source 
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Brendan Le Foll
2014-05-16 09:43:01 +01:00
parent 554505b640
commit 9e823b7f1d
4 changed files with 12 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
api/maa.h
View File

@@ -174,7 +174,14 @@ typedef struct {
* Detects running platform and attempts to use included pinmap * Detects running platform and attempts to use included pinmap
* @return maa_result_t maa result * @return maa_result_t maa result
*/ */
#ifndef SWIG
// this sets a compiler attribute (supported by GCC & clang) to have maa_init()
// be called as a constructor make sure your libc supports this! uclibc needs
// to be compiled with UCLIBC_CTOR_DTOR
maa_result_t maa_init() __attribute__((constructor));
#else
maa_result_t maa_init(); maa_result_t maa_init();
#endif
/** Check GPIO /** Check GPIO
* *

1
examples/analogin_a0.c
View File

@@ -28,7 +28,6 @@
int main () int main ()
{ {
maa_init();
maa_aio_context adc_a0; maa_aio_context adc_a0;
uint16_t adc_value = 0; uint16_t adc_value = 0;

2
src/CMakeLists.txt
View File

@@ -73,8 +73,6 @@ endif ()
find_package (SWIG) find_package (SWIG)
if (SWIG_FOUND) if (SWIG_FOUND)
set (CMAKE_C_FLAGS -DSWIG=${SWIG_FOUND})
set (CMAKE_CXX_CFLAGS -DSWIG=${SWIG_FOUND})
include (${SWIG_USE_FILE}) include (${SWIG_USE_FILE})
add_subdirectory (python) add_subdirectory (python)

11
src/maa.c
View File

@@ -39,14 +39,13 @@ maa_get_version()
return gVERSION; return gVERSION;
} }
#ifndef SWIG #ifdef SWIG
// this sets a compiler attribute (supported by GCC & clang) to have maa_init()
// be called as a constructor make sure your libc supports this! uclibc needs
// to be compiled with UCLIBC_CTOR_DTOR
maa_result_t maa_init() __attribute__((constructor));
#endif
maa_result_t maa_result_t
maa_init() maa_init()
#else
maa_result_t __attribute__((constructor))
maa_init()
#endif
{ {
/** Once more board definitions have been added, /** Once more board definitions have been added,
* A method for detecting them will need to be devised. * A method for detecting them will need to be devised.