1%module (directors="1",docstring="Java interface to libmraa") mraa
2
3%feature("autodoc", "3");
4
5%typemap(jtype) (uint8_t *txBuf, int length) "byte[]"
6%typemap(jstype) (uint8_t *txBuf, int length) "byte[]"
7%typemap(jni) (uint8_t *txBuf, int length) "jbyteArray"
8%typemap(javain) (uint8_t *txBuf, int length) "$javainput"
9
10%typemap(in,numinputs=1) (uint8_t *txBuf, int length) {
11  $1 = JCALL2(GetByteArrayElements, jenv, $input, NULL);
12  $2 = JCALL1(GetArrayLength, jenv, $input);
13}
14
15%typemap(jtype) (uint8_t *data, int length) "byte[]"
16%typemap(jstype) (uint8_t *data, int length) "byte[]"
17%typemap(jni) (uint8_t *data, int length) "jbyteArray"
18%typemap(javain) (uint8_t *data, int length) "$javainput"
19
20%typemap(in,numinputs=1) (uint8_t *data, int length) {
21  $1 = JCALL2(GetByteArrayElements, jenv, $input, NULL);
22  $2 = JCALL1(GetArrayLength, jenv, $input);
23}
24
25%typemap(argout) (uint8_t *data, int length) {
26  JCALL3(ReleaseByteArrayElements, jenv, $input, $1, JNI_COMMIT);
27}
28
29%typemap(jtype) (const uint8_t *data, int length) "byte[]"
30%typemap(jstype) (const uint8_t *data, int length) "byte[]"
31%typemap(jni) (const uint8_t *data, int length) "jbyteArray"
32%typemap(javain) (const uint8_t *data, int length) "$javainput"
33%typemap(in) (const uint8_t *data, int length) {
34  $1 = JCALL2(GetByteArrayElements, jenv, $input, NULL);
35  $2 = JCALL1(GetArrayLength, jenv, $input);
36}
37
38%typemap(jtype) uint8_t * "byte[]"
39%typemap(jstype) uint8_t * "byte[]"
40%typemap(jni) uint8_t * "jbyteArray"
41%typemap(javaout) uint8_t * {
42    return $jnicall;
43}
44
45%typemap(jtype) jobject runnable "java.lang.Runnable"
46%typemap(jstype) jobject runnable "java.lang.Runnable"
47
48namespace mraa {
49class Spi;
50%typemap(out) uint8_t*
51{
52  /* need to loop over length */
53  $result = JCALL1(NewByteArray, jenv, arg3);
54  JCALL4(SetByteArrayRegion, jenv, $result, 0, arg3, (jbyte *) $1);
55  free($1);
56}
57}
58
59%ignore write(const char* data, int length);
60%ignore read(char* data, int length);
61%ignore globVM;
62%ignore env_key;
63%ignore mraa_java_isr_callback;
64
65%include ../mraa.i
66
67%wrapper %{
68    JavaVM *globVM;
69
70    jint JNI_OnLoad(JavaVM *vm, void *reserved) {
71        /* initialize mraa */
72        globVM = vm;
73        mraa_init();
74        return JNI_VERSION_1_8;
75    }
76%}
77
78%pragma(java) jniclasscode=%{
79    static {
80        try {
81            System.loadLibrary("mraajava");
82        } catch (UnsatisfiedLinkError e) {
83            System.err.println("Native code library failed to load. \n" + e);
84            System.exit(1);
85        }
86    }
87%}
88