int exchange_data(int func_nr
, uint8_t *write_buffer, int write_count
, uint8_t *read_buffer, int read_count
, uint32_t timeout)
{
int ret;
if (sa == NULL)
{
return 0;
}
sa->error_code = 0xfffffff1;
if (write_count > 0)
{
memcpy(sa->buffer, write_buffer, min(write_count, DMA_BUFFER_SIZE));
}
ret = sysMutexLock(sa->mmio_mutex, 0);
if (ret != 0)
{
LOG(lm_main, LOG_ERROR, ("sysMutexLock() failed. (%d)\n", ret));
return ret;
}
sysSpuRawWriteProblemStorage(sa->id, SPU_In_MBox, func_nr);
sysSpuRawWriteProblemStorage(sa->id, SPU_In_MBox, read_count);
ret = sysCondWait(sa->mmio_cond, timeout);
if (ret != 0)
{
LOG(lm_main, LOG_ERROR, ("exchange_data: [sysCondWait timeout]\n"));
sysMutexUnlock(sa->mmio_mutex);
return ret;
}
ret = sysMutexUnlock(sa->mmio_mutex);
if (ret != 0)
{
return ret;
}
if (sa->error_code == 0xfffffff1)
{
return -1;
}
if (read_buffer != NULL && read_count > 0)
{
memcpy(read_buffer, sa->buffer, min(read_count, DMA_BUFFER_SIZE));
}
return sa->error_code;
}
/* video worker thread */
void
videoWorker ( void *arg )
{
static s32 frames ;
static time_t starttime ;
dbgprintf ( "video thread starting" ) ;
/* cast the void *arg to rsxData */
videoData* vdata = ( videoData* )arg ;
/* signal main thread is ready */
sysCondSignal ( vdata->cond ) ;
/* lock mutex */
sysMutexLock ( vdata->mutex, NO_TIMEOUT ) ;
dbgprintf ( "video thread waiting" ) ;
/* wait for main to be ready */
sysCondWait ( vdata->cond, NO_TIMEOUT ) ;
/* release lock */
sysMutexUnlock ( vdata->mutex ) ;
starttime = time( NULL ) ;
dbgprintf ( "video thread entering loop" ) ;
/* render frames until exit */
while ( *vdata->exitapp )
{
/* render frame */
videoDrawFrame ( vdata ) ;
frames++ ;
}
dbgprintf ( "video thread left loop" ) ;
/* lock mutex */
sysMutexLock ( vdata->mutex, NO_TIMEOUT ) ;
/* signal main before exit */
sysCondSignal ( vdata->cond ) ;
/* release lock */
sysMutexUnlock ( vdata->mutex ) ;
argprintf ( "frame rate: %g frames/sec", ( ( double ) frames ) / difftime ( time ( NULL ) , starttime ) ) ;
dbgprintf ( "video thread exiting" ) ;
/* exit thread */
sysThreadExit ( 0 ) ;
}
/* pad worker thread */
void
padWorker ( void *arg )
{
dbgprintf ( "pad thread starting" ) ;
/* cast the void *arg to rsxData */
padBtnData* pdata = ( padBtnData* )arg ;
/* signal main thread is ready */
sysCondSignal ( pdata->cond ) ;
/* lock mutex */
sysMutexLock ( pdata->mutex, NO_TIMEOUT ) ;
dbgprintf ( "pad thread waiting" ) ;
/* wait for main to be ready */
sysCondWait ( pdata->cond, NO_TIMEOUT ) ;
/* release lock */
sysMutexUnlock ( pdata->mutex ) ;
dbgprintf ( "pad thread entering loop" ) ;
/* render frames until exit */
while ( *pdata->exitapp )
{
/* check pads */
padCheckState ( pdata ) ;
}
dbgprintf ( "pad thread left loop" ) ;
/* lock mutex */
sysMutexLock ( pdata->mutex, NO_TIMEOUT ) ;
/* signal main before exit */
sysCondSignal ( pdata->cond ) ;
/* release lock */
sysMutexUnlock ( pdata->mutex ) ;
dbgprintf ( "pad thread exiting" ) ;
/* exit thread */
sysThreadExit ( 0 ) ;
}
