void x_async_sound_init()
{
if (!g_sound.g_audio_enable)
{
printf("sound disabled : discarding openal driver\n");
return ;
}
if (dev)
{
printf("err: async_sound_init already initialized!");
return ;
}
dev = alcOpenDevice(NULL);
if(!dev)
{
fprintf(stderr, "Oops\n");
return ;
}
ctx = alcCreateContext(dev, NULL);
alcMakeContextCurrent(ctx);
if(!ctx)
{
fprintf(stderr, "Oops2\n");
return ;
}
alGenBuffers(AL_NUM_BUFFERS, buffers);
alGenSources(1, &source);
if(alGetError() != AL_NO_ERROR)
{
fprintf(stderr, "Error generating :(\n");
return ;
}
resetQueues();
x_preload_sounds();
}
/*----------------------------------------------------------------------------*/
static void changeMode(struct Can *interface, enum Mode mode)
{
if (interface->mode != mode)
{
interface->mode = mode;
LPC_CAN_Type * const reg = interface->base.reg;
uint32_t value = reg->MOD & ~(MOD_LOM | MOD_STM);
switch (interface->mode)
{
case MODE_LISTENER:
/*
* Notice: CAN peripheral in the Listen Only mode cannot receive
* unacknowledged messages due to a hardware issue in the CPU.
*/
value |= MOD_LOM;
break;
case MODE_LOOPBACK:
value |= MOD_STM;
break;
default:
break;
}
/* Return pending message descriptors to the pool */
resetQueues(interface);
/* Enable Reset mode to configure LOM and STM bits */
reg->MOD |= MOD_RM;
/* Change test settings */
reg->MOD = value;
}
}
