int BBBIO_PWM_Init()
{
int i = 0;
if (memh == 0) {
#ifdef BBBIO_LIB_DBG
printf("BBBIO_PWM_Init: memory not mapped?\n");
#endif
return 0;
}
/* Create Memory map */
for (i = 0 ; i < 3 ; i ++) {
pwmss_ptr[i] = mmap(0, PWMSS_MMAP_LEN, PROT_READ | PROT_WRITE, MAP_SHARED, memh, PWMSS_AddressOffset[i]);
if(pwmss_ptr[i] == MAP_FAILED) {
#ifdef BBBIO_LIB_DBG
printf("BBBIO_PWM_Init: PWMSS %d mmap failure!\n", i);
#endif
goto INIT_ERROR ;
}
ecap_ptr[i] = (void *)pwmss_ptr[i] + 0x100 ;
eqep_ptr[i] = (void *)pwmss_ptr[i] + 0x180 ;
epwm_ptr[i] = (void *)pwmss_ptr[i] + 0x200 ;
if(!PWMSS_module_ctrl(i, 1)) {
goto INIT_ERROR ;
}
}
return 1;
INIT_ERROR :
BBBIO_PWM_Release();
return 0;
}
/*
* Class: io_silverspoon_bulldog_beagleboneblack_jni_NativePwm
* Method: teardown
* Signature: ()I
*/
JNIEXPORT void JNICALL Java_io_silverspoon_bulldog_beagleboneblack_jni_NativePwm_teardown
(JNIEnv * env, jclass clazz) {
BBBIO_PWM_Release();
}
